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| author | Adam Mathes <adam@adammathes.com> | 2026-02-14 14:46:37 -0800 |
|---|---|---|
| committer | Adam Mathes <adam@adammathes.com> | 2026-02-14 14:46:37 -0800 |
| commit | afa87af01c79a9baa539f2992d32154d2a4739bd (patch) | |
| tree | 92c7416db734270a2fee1d72ee9cc119379ff8e1 /vanilla/node_modules/@babel/parser/lib/index.js | |
| parent | 3b927e84d200402281f68181cd4253bc77e5528d (diff) | |
| download | neko-afa87af01c79a9baa539f2992d32154d2a4739bd.tar.gz neko-afa87af01c79a9baa539f2992d32154d2a4739bd.tar.bz2 neko-afa87af01c79a9baa539f2992d32154d2a4739bd.zip | |
task: delete vanilla js prototype\n\n- Removed vanilla/ directory and web/dist/vanilla directory\n- Updated Makefile, Dockerfile, and CI workflow to remove vanilla references\n- Cleaned up web/web.go to remove vanilla embed and routes\n- Verified build and tests pass\n\nCloses NK-2tcnmq
Diffstat (limited to 'vanilla/node_modules/@babel/parser/lib/index.js')
| -rw-r--r-- | vanilla/node_modules/@babel/parser/lib/index.js | 14582 |
1 files changed, 0 insertions, 14582 deletions
diff --git a/vanilla/node_modules/@babel/parser/lib/index.js b/vanilla/node_modules/@babel/parser/lib/index.js deleted file mode 100644 index fa6628c..0000000 --- a/vanilla/node_modules/@babel/parser/lib/index.js +++ /dev/null @@ -1,14582 +0,0 @@ -'use strict'; - -Object.defineProperty(exports, '__esModule', { - value: true -}); -function _objectWithoutPropertiesLoose(r, e) { - if (null == r) return {}; - var t = {}; - for (var n in r) if ({}.hasOwnProperty.call(r, n)) { - if (-1 !== e.indexOf(n)) continue; - t[n] = r[n]; - } - return t; -} -class Position { - constructor(line, col, index) { - this.line = void 0; - this.column = void 0; - this.index = void 0; - this.line = line; - this.column = col; - this.index = index; - } -} -class SourceLocation { - constructor(start, end) { - this.start = void 0; - this.end = void 0; - this.filename = void 0; - this.identifierName = void 0; - this.start = start; - this.end = end; - } -} -function createPositionWithColumnOffset(position, columnOffset) { - const { - line, - column, - index - } = position; - return new Position(line, column + columnOffset, index + columnOffset); -} -const code = "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED"; -var ModuleErrors = { - ImportMetaOutsideModule: { - message: `import.meta may appear only with 'sourceType: "module"'`, - code - }, - ImportOutsideModule: { - message: `'import' and 'export' may appear only with 'sourceType: "module"'`, - code - } -}; -const NodeDescriptions = { - ArrayPattern: "array destructuring pattern", - AssignmentExpression: "assignment expression", - AssignmentPattern: "assignment expression", - ArrowFunctionExpression: "arrow function expression", - ConditionalExpression: "conditional expression", - CatchClause: "catch clause", - ForOfStatement: "for-of statement", - ForInStatement: "for-in statement", - ForStatement: "for-loop", - FormalParameters: "function parameter list", - Identifier: "identifier", - ImportSpecifier: "import specifier", - ImportDefaultSpecifier: "import default specifier", - ImportNamespaceSpecifier: "import namespace specifier", - ObjectPattern: "object destructuring pattern", - ParenthesizedExpression: "parenthesized expression", - RestElement: "rest element", - UpdateExpression: { - true: "prefix operation", - false: "postfix operation" - }, - VariableDeclarator: "variable declaration", - YieldExpression: "yield expression" -}; -const toNodeDescription = node => node.type === "UpdateExpression" ? NodeDescriptions.UpdateExpression[`${node.prefix}`] : NodeDescriptions[node.type]; -var StandardErrors = { - AccessorIsGenerator: ({ - kind - }) => `A ${kind}ter cannot be a generator.`, - ArgumentsInClass: "'arguments' is only allowed in functions and class methods.", - AsyncFunctionInSingleStatementContext: "Async functions can only be declared at the top level or inside a block.", - AwaitBindingIdentifier: "Can not use 'await' as identifier inside an async function.", - AwaitBindingIdentifierInStaticBlock: "Can not use 'await' as identifier inside a static block.", - AwaitExpressionFormalParameter: "'await' is not allowed in async function parameters.", - AwaitUsingNotInAsyncContext: "'await using' is only allowed within async functions and at the top levels of modules.", - AwaitNotInAsyncContext: "'await' is only allowed within async functions and at the top levels of modules.", - BadGetterArity: "A 'get' accessor must not have any formal parameters.", - BadSetterArity: "A 'set' accessor must have exactly one formal parameter.", - BadSetterRestParameter: "A 'set' accessor function argument must not be a rest parameter.", - ConstructorClassField: "Classes may not have a field named 'constructor'.", - ConstructorClassPrivateField: "Classes may not have a private field named '#constructor'.", - ConstructorIsAccessor: "Class constructor may not be an accessor.", - ConstructorIsAsync: "Constructor can't be an async function.", - ConstructorIsGenerator: "Constructor can't be a generator.", - DeclarationMissingInitializer: ({ - kind - }) => `Missing initializer in ${kind} declaration.`, - DecoratorArgumentsOutsideParentheses: "Decorator arguments must be moved inside parentheses: use '@(decorator(args))' instead of '@(decorator)(args)'.", - DecoratorBeforeExport: "Decorators must be placed *before* the 'export' keyword. Remove the 'decoratorsBeforeExport: true' option to use the 'export @decorator class {}' syntax.", - DecoratorsBeforeAfterExport: "Decorators can be placed *either* before or after the 'export' keyword, but not in both locations at the same time.", - DecoratorConstructor: "Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?", - DecoratorExportClass: "Decorators must be placed *after* the 'export' keyword. Remove the 'decoratorsBeforeExport: false' option to use the '@decorator export class {}' syntax.", - DecoratorSemicolon: "Decorators must not be followed by a semicolon.", - DecoratorStaticBlock: "Decorators can't be used with a static block.", - DeferImportRequiresNamespace: 'Only `import defer * as x from "./module"` is valid.', - DeletePrivateField: "Deleting a private field is not allowed.", - DestructureNamedImport: "ES2015 named imports do not destructure. Use another statement for destructuring after the import.", - DuplicateConstructor: "Duplicate constructor in the same class.", - DuplicateDefaultExport: "Only one default export allowed per module.", - DuplicateExport: ({ - exportName - }) => `\`${exportName}\` has already been exported. Exported identifiers must be unique.`, - DuplicateProto: "Redefinition of __proto__ property.", - DuplicateRegExpFlags: "Duplicate regular expression flag.", - ElementAfterRest: "Rest element must be last element.", - EscapedCharNotAnIdentifier: "Invalid Unicode escape.", - ExportBindingIsString: ({ - localName, - exportName - }) => `A string literal cannot be used as an exported binding without \`from\`.\n- Did you mean \`export { '${localName}' as '${exportName}' } from 'some-module'\`?`, - ExportDefaultFromAsIdentifier: "'from' is not allowed as an identifier after 'export default'.", - ForInOfLoopInitializer: ({ - type - }) => `'${type === "ForInStatement" ? "for-in" : "for-of"}' loop variable declaration may not have an initializer.`, - ForInUsing: "For-in loop may not start with 'using' declaration.", - ForOfAsync: "The left-hand side of a for-of loop may not be 'async'.", - ForOfLet: "The left-hand side of a for-of loop may not start with 'let'.", - GeneratorInSingleStatementContext: "Generators can only be declared at the top level or inside a block.", - IllegalBreakContinue: ({ - type - }) => `Unsyntactic ${type === "BreakStatement" ? "break" : "continue"}.`, - IllegalLanguageModeDirective: "Illegal 'use strict' directive in function with non-simple parameter list.", - IllegalReturn: "'return' outside of function.", - ImportAttributesUseAssert: "The `assert` keyword in import attributes is deprecated and it has been replaced by the `with` keyword. You can enable the `deprecatedImportAssert` parser plugin to suppress this error.", - ImportBindingIsString: ({ - importName - }) => `A string literal cannot be used as an imported binding.\n- Did you mean \`import { "${importName}" as foo }\`?`, - ImportCallArity: `\`import()\` requires exactly one or two arguments.`, - ImportCallNotNewExpression: "Cannot use new with import(...).", - ImportCallSpreadArgument: "`...` is not allowed in `import()`.", - ImportJSONBindingNotDefault: "A JSON module can only be imported with `default`.", - ImportReflectionHasAssertion: "`import module x` cannot have assertions.", - ImportReflectionNotBinding: 'Only `import module x from "./module"` is valid.', - IncompatibleRegExpUVFlags: "The 'u' and 'v' regular expression flags cannot be enabled at the same time.", - InvalidBigIntLiteral: "Invalid BigIntLiteral.", - InvalidCodePoint: "Code point out of bounds.", - InvalidCoverDiscardElement: "'void' must be followed by an expression when not used in a binding position.", - InvalidCoverInitializedName: "Invalid shorthand property initializer.", - InvalidDecimal: "Invalid decimal.", - InvalidDigit: ({ - radix - }) => `Expected number in radix ${radix}.`, - InvalidEscapeSequence: "Bad character escape sequence.", - InvalidEscapeSequenceTemplate: "Invalid escape sequence in template.", - InvalidEscapedReservedWord: ({ - reservedWord - }) => `Escape sequence in keyword ${reservedWord}.`, - InvalidIdentifier: ({ - identifierName - }) => `Invalid identifier ${identifierName}.`, - InvalidLhs: ({ - ancestor - }) => `Invalid left-hand side in ${toNodeDescription(ancestor)}.`, - InvalidLhsBinding: ({ - ancestor - }) => `Binding invalid left-hand side in ${toNodeDescription(ancestor)}.`, - InvalidLhsOptionalChaining: ({ - ancestor - }) => `Invalid optional chaining in the left-hand side of ${toNodeDescription(ancestor)}.`, - InvalidNumber: "Invalid number.", - InvalidOrMissingExponent: "Floating-point numbers require a valid exponent after the 'e'.", - InvalidOrUnexpectedToken: ({ - unexpected - }) => `Unexpected character '${unexpected}'.`, - InvalidParenthesizedAssignment: "Invalid parenthesized assignment pattern.", - InvalidPrivateFieldResolution: ({ - identifierName - }) => `Private name #${identifierName} is not defined.`, - InvalidPropertyBindingPattern: "Binding member expression.", - InvalidRecordProperty: "Only properties and spread elements are allowed in record definitions.", - InvalidRestAssignmentPattern: "Invalid rest operator's argument.", - LabelRedeclaration: ({ - labelName - }) => `Label '${labelName}' is already declared.`, - LetInLexicalBinding: "'let' is disallowed as a lexically bound name.", - LineTerminatorBeforeArrow: "No line break is allowed before '=>'.", - MalformedRegExpFlags: "Invalid regular expression flag.", - MissingClassName: "A class name is required.", - MissingEqInAssignment: "Only '=' operator can be used for specifying default value.", - MissingSemicolon: "Missing semicolon.", - MissingPlugin: ({ - missingPlugin - }) => `This experimental syntax requires enabling the parser plugin: ${missingPlugin.map(name => JSON.stringify(name)).join(", ")}.`, - MissingOneOfPlugins: ({ - missingPlugin - }) => `This experimental syntax requires enabling one of the following parser plugin(s): ${missingPlugin.map(name => JSON.stringify(name)).join(", ")}.`, - MissingUnicodeEscape: "Expecting Unicode escape sequence \\uXXXX.", - MixingCoalesceWithLogical: "Nullish coalescing operator(??) requires parens when mixing with logical operators.", - ModuleAttributeDifferentFromType: "The only accepted module attribute is `type`.", - ModuleAttributeInvalidValue: "Only string literals are allowed as module attribute values.", - ModuleAttributesWithDuplicateKeys: ({ - key - }) => `Duplicate key "${key}" is not allowed in module attributes.`, - ModuleExportNameHasLoneSurrogate: ({ - surrogateCharCode - }) => `An export name cannot include a lone surrogate, found '\\u${surrogateCharCode.toString(16)}'.`, - ModuleExportUndefined: ({ - localName - }) => `Export '${localName}' is not defined.`, - MultipleDefaultsInSwitch: "Multiple default clauses.", - NewlineAfterThrow: "Illegal newline after throw.", - NoCatchOrFinally: "Missing catch or finally clause.", - NumberIdentifier: "Identifier directly after number.", - NumericSeparatorInEscapeSequence: "Numeric separators are not allowed inside unicode escape sequences or hex escape sequences.", - ObsoleteAwaitStar: "'await*' has been removed from the async functions proposal. Use Promise.all() instead.", - OptionalChainingNoNew: "Constructors in/after an Optional Chain are not allowed.", - OptionalChainingNoTemplate: "Tagged Template Literals are not allowed in optionalChain.", - OverrideOnConstructor: "'override' modifier cannot appear on a constructor declaration.", - ParamDupe: "Argument name clash.", - PatternHasAccessor: "Object pattern can't contain getter or setter.", - PatternHasMethod: "Object pattern can't contain methods.", - PrivateInExpectedIn: ({ - identifierName - }) => `Private names are only allowed in property accesses (\`obj.#${identifierName}\`) or in \`in\` expressions (\`#${identifierName} in obj\`).`, - PrivateNameRedeclaration: ({ - identifierName - }) => `Duplicate private name #${identifierName}.`, - RecordExpressionBarIncorrectEndSyntaxType: "Record expressions ending with '|}' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.", - RecordExpressionBarIncorrectStartSyntaxType: "Record expressions starting with '{|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.", - RecordExpressionHashIncorrectStartSyntaxType: "Record expressions starting with '#{' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.", - RecordNoProto: "'__proto__' is not allowed in Record expressions.", - RestTrailingComma: "Unexpected trailing comma after rest element.", - SloppyFunction: "In non-strict mode code, functions can only be declared at top level or inside a block.", - SloppyFunctionAnnexB: "In non-strict mode code, functions can only be declared at top level, inside a block, or as the body of an if statement.", - SourcePhaseImportRequiresDefault: 'Only `import source x from "./module"` is valid.', - StaticPrototype: "Classes may not have static property named prototype.", - SuperNotAllowed: "`super()` is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?", - SuperPrivateField: "Private fields can't be accessed on super.", - TrailingDecorator: "Decorators must be attached to a class element.", - TupleExpressionBarIncorrectEndSyntaxType: "Tuple expressions ending with '|]' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.", - TupleExpressionBarIncorrectStartSyntaxType: "Tuple expressions starting with '[|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.", - TupleExpressionHashIncorrectStartSyntaxType: "Tuple expressions starting with '#[' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.", - UnexpectedArgumentPlaceholder: "Unexpected argument placeholder.", - UnexpectedAwaitAfterPipelineBody: 'Unexpected "await" after pipeline body; await must have parentheses in minimal proposal.', - UnexpectedDigitAfterHash: "Unexpected digit after hash token.", - UnexpectedImportExport: "'import' and 'export' may only appear at the top level.", - UnexpectedKeyword: ({ - keyword - }) => `Unexpected keyword '${keyword}'.`, - UnexpectedLeadingDecorator: "Leading decorators must be attached to a class declaration.", - UnexpectedLexicalDeclaration: "Lexical declaration cannot appear in a single-statement context.", - UnexpectedNewTarget: "`new.target` can only be used in functions or class properties.", - UnexpectedNumericSeparator: "A numeric separator is only allowed between two digits.", - UnexpectedPrivateField: "Unexpected private name.", - UnexpectedReservedWord: ({ - reservedWord - }) => `Unexpected reserved word '${reservedWord}'.`, - UnexpectedSuper: "'super' is only allowed in object methods and classes.", - UnexpectedToken: ({ - expected, - unexpected - }) => `Unexpected token${unexpected ? ` '${unexpected}'.` : ""}${expected ? `, expected "${expected}"` : ""}`, - UnexpectedTokenUnaryExponentiation: "Illegal expression. Wrap left hand side or entire exponentiation in parentheses.", - UnexpectedUsingDeclaration: "Using declaration cannot appear in the top level when source type is `script` or in the bare case statement.", - UnexpectedVoidPattern: "Unexpected void binding.", - UnsupportedBind: "Binding should be performed on object property.", - UnsupportedDecoratorExport: "A decorated export must export a class declaration.", - UnsupportedDefaultExport: "Only expressions, functions or classes are allowed as the `default` export.", - UnsupportedImport: "`import` can only be used in `import()` or `import.meta`.", - UnsupportedMetaProperty: ({ - target, - onlyValidPropertyName - }) => `The only valid meta property for ${target} is ${target}.${onlyValidPropertyName}.`, - UnsupportedParameterDecorator: "Decorators cannot be used to decorate parameters.", - UnsupportedPropertyDecorator: "Decorators cannot be used to decorate object literal properties.", - UnsupportedSuper: "'super' can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop]).", - UnterminatedComment: "Unterminated comment.", - UnterminatedRegExp: "Unterminated regular expression.", - UnterminatedString: "Unterminated string constant.", - UnterminatedTemplate: "Unterminated template.", - UsingDeclarationExport: "Using declaration cannot be exported.", - UsingDeclarationHasBindingPattern: "Using declaration cannot have destructuring patterns.", - VarRedeclaration: ({ - identifierName - }) => `Identifier '${identifierName}' has already been declared.`, - VoidPatternCatchClauseParam: "A void binding can not be the catch clause parameter. Use `try { ... } catch { ... }` if you want to discard the caught error.", - VoidPatternInitializer: "A void binding may not have an initializer.", - YieldBindingIdentifier: "Can not use 'yield' as identifier inside a generator.", - YieldInParameter: "Yield expression is not allowed in formal parameters.", - YieldNotInGeneratorFunction: "'yield' is only allowed within generator functions.", - ZeroDigitNumericSeparator: "Numeric separator can not be used after leading 0." -}; -var StrictModeErrors = { - StrictDelete: "Deleting local variable in strict mode.", - StrictEvalArguments: ({ - referenceName - }) => `Assigning to '${referenceName}' in strict mode.`, - StrictEvalArgumentsBinding: ({ - bindingName - }) => `Binding '${bindingName}' in strict mode.`, - StrictFunction: "In strict mode code, functions can only be declared at top level or inside a block.", - StrictNumericEscape: "The only valid numeric escape in strict mode is '\\0'.", - StrictOctalLiteral: "Legacy octal literals are not allowed in strict mode.", - StrictWith: "'with' in strict mode." -}; -var ParseExpressionErrors = { - ParseExpressionEmptyInput: "Unexpected parseExpression() input: The input is empty or contains only comments.", - ParseExpressionExpectsEOF: ({ - unexpected - }) => `Unexpected parseExpression() input: The input should contain exactly one expression, but the first expression is followed by the unexpected character \`${String.fromCodePoint(unexpected)}\`.` -}; -const UnparenthesizedPipeBodyDescriptions = new Set(["ArrowFunctionExpression", "AssignmentExpression", "ConditionalExpression", "YieldExpression"]); -var PipelineOperatorErrors = Object.assign({ - PipeBodyIsTighter: "Unexpected yield after pipeline body; any yield expression acting as Hack-style pipe body must be parenthesized due to its loose operator precedence.", - PipeTopicRequiresHackPipes: 'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.', - PipeTopicUnbound: "Topic reference is unbound; it must be inside a pipe body.", - PipeTopicUnconfiguredToken: ({ - token - }) => `Invalid topic token ${token}. In order to use ${token} as a topic reference, the pipelineOperator plugin must be configured with { "proposal": "hack", "topicToken": "${token}" }.`, - PipeTopicUnused: "Hack-style pipe body does not contain a topic reference; Hack-style pipes must use topic at least once.", - PipeUnparenthesizedBody: ({ - type - }) => `Hack-style pipe body cannot be an unparenthesized ${toNodeDescription({ - type - })}; please wrap it in parentheses.` -}, { - PipelineBodyNoArrow: 'Unexpected arrow "=>" after pipeline body; arrow function in pipeline body must be parenthesized.', - PipelineBodySequenceExpression: "Pipeline body may not be a comma-separated sequence expression.", - PipelineHeadSequenceExpression: "Pipeline head should not be a comma-separated sequence expression.", - PipelineTopicUnused: "Pipeline is in topic style but does not use topic reference.", - PrimaryTopicNotAllowed: "Topic reference was used in a lexical context without topic binding.", - PrimaryTopicRequiresSmartPipeline: 'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.' -}); -const _excluded = ["message"]; -function defineHidden(obj, key, value) { - Object.defineProperty(obj, key, { - enumerable: false, - configurable: true, - value - }); -} -function toParseErrorConstructor({ - toMessage, - code, - reasonCode, - syntaxPlugin -}) { - const hasMissingPlugin = reasonCode === "MissingPlugin" || reasonCode === "MissingOneOfPlugins"; - const oldReasonCodes = { - AccessorCannotDeclareThisParameter: "AccesorCannotDeclareThisParameter", - AccessorCannotHaveTypeParameters: "AccesorCannotHaveTypeParameters", - ConstInitializerMustBeStringOrNumericLiteralOrLiteralEnumReference: "ConstInitiailizerMustBeStringOrNumericLiteralOrLiteralEnumReference", - SetAccessorCannotHaveOptionalParameter: "SetAccesorCannotHaveOptionalParameter", - SetAccessorCannotHaveRestParameter: "SetAccesorCannotHaveRestParameter", - SetAccessorCannotHaveReturnType: "SetAccesorCannotHaveReturnType" - }; - if (oldReasonCodes[reasonCode]) { - reasonCode = oldReasonCodes[reasonCode]; - } - return function constructor(loc, details) { - const error = new SyntaxError(); - error.code = code; - error.reasonCode = reasonCode; - error.loc = loc; - error.pos = loc.index; - error.syntaxPlugin = syntaxPlugin; - if (hasMissingPlugin) { - error.missingPlugin = details.missingPlugin; - } - defineHidden(error, "clone", function clone(overrides = {}) { - var _overrides$loc; - const { - line, - column, - index - } = (_overrides$loc = overrides.loc) != null ? _overrides$loc : loc; - return constructor(new Position(line, column, index), Object.assign({}, details, overrides.details)); - }); - defineHidden(error, "details", details); - Object.defineProperty(error, "message", { - configurable: true, - get() { - const message = `${toMessage(details)} (${loc.line}:${loc.column})`; - this.message = message; - return message; - }, - set(value) { - Object.defineProperty(this, "message", { - value, - writable: true - }); - } - }); - return error; - }; -} -function ParseErrorEnum(argument, syntaxPlugin) { - if (Array.isArray(argument)) { - return parseErrorTemplates => ParseErrorEnum(parseErrorTemplates, argument[0]); - } - const ParseErrorConstructors = {}; - for (const reasonCode of Object.keys(argument)) { - const template = argument[reasonCode]; - const _ref = typeof template === "string" ? { - message: () => template - } : typeof template === "function" ? { - message: template - } : template, - { - message - } = _ref, - rest = _objectWithoutPropertiesLoose(_ref, _excluded); - const toMessage = typeof message === "string" ? () => message : message; - ParseErrorConstructors[reasonCode] = toParseErrorConstructor(Object.assign({ - code: "BABEL_PARSER_SYNTAX_ERROR", - reasonCode, - toMessage - }, syntaxPlugin ? { - syntaxPlugin - } : {}, rest)); - } - return ParseErrorConstructors; -} -const Errors = Object.assign({}, ParseErrorEnum(ModuleErrors), ParseErrorEnum(StandardErrors), ParseErrorEnum(StrictModeErrors), ParseErrorEnum(ParseExpressionErrors), ParseErrorEnum`pipelineOperator`(PipelineOperatorErrors)); -function createDefaultOptions() { - return { - sourceType: "script", - sourceFilename: undefined, - startIndex: 0, - startColumn: 0, - startLine: 1, - allowAwaitOutsideFunction: false, - allowReturnOutsideFunction: false, - allowNewTargetOutsideFunction: false, - allowImportExportEverywhere: false, - allowSuperOutsideMethod: false, - allowUndeclaredExports: false, - allowYieldOutsideFunction: false, - plugins: [], - strictMode: undefined, - ranges: false, - tokens: false, - createImportExpressions: false, - createParenthesizedExpressions: false, - errorRecovery: false, - attachComment: true, - annexB: true - }; -} -function getOptions(opts) { - const options = createDefaultOptions(); - if (opts == null) { - return options; - } - if (opts.annexB != null && opts.annexB !== false) { - throw new Error("The `annexB` option can only be set to `false`."); - } - for (const key of Object.keys(options)) { - if (opts[key] != null) options[key] = opts[key]; - } - if (options.startLine === 1) { - if (opts.startIndex == null && options.startColumn > 0) { - options.startIndex = options.startColumn; - } else if (opts.startColumn == null && options.startIndex > 0) { - options.startColumn = options.startIndex; - } - } else if (opts.startColumn == null || opts.startIndex == null) { - if (opts.startIndex != null) { - throw new Error("With a `startLine > 1` you must also specify `startIndex` and `startColumn`."); - } - } - if (options.sourceType === "commonjs") { - if (opts.allowAwaitOutsideFunction != null) { - throw new Error("The `allowAwaitOutsideFunction` option cannot be used with `sourceType: 'commonjs'`."); - } - if (opts.allowReturnOutsideFunction != null) { - throw new Error("`sourceType: 'commonjs'` implies `allowReturnOutsideFunction: true`, please remove the `allowReturnOutsideFunction` option or use `sourceType: 'script'`."); - } - if (opts.allowNewTargetOutsideFunction != null) { - throw new Error("`sourceType: 'commonjs'` implies `allowNewTargetOutsideFunction: true`, please remove the `allowNewTargetOutsideFunction` option or use `sourceType: 'script'`."); - } - } - return options; -} -const { - defineProperty -} = Object; -const toUnenumerable = (object, key) => { - if (object) { - defineProperty(object, key, { - enumerable: false, - value: object[key] - }); - } -}; -function toESTreeLocation(node) { - toUnenumerable(node.loc.start, "index"); - toUnenumerable(node.loc.end, "index"); - return node; -} -var estree = superClass => class ESTreeParserMixin extends superClass { - parse() { - const file = toESTreeLocation(super.parse()); - if (this.optionFlags & 256) { - file.tokens = file.tokens.map(toESTreeLocation); - } - return file; - } - parseRegExpLiteral({ - pattern, - flags - }) { - let regex = null; - try { - regex = new RegExp(pattern, flags); - } catch (_) {} - const node = this.estreeParseLiteral(regex); - node.regex = { - pattern, - flags - }; - return node; - } - parseBigIntLiteral(value) { - let bigInt; - try { - bigInt = BigInt(value); - } catch (_unused) { - bigInt = null; - } - const node = this.estreeParseLiteral(bigInt); - node.bigint = String(node.value || value); - return node; - } - parseDecimalLiteral(value) { - const decimal = null; - const node = this.estreeParseLiteral(decimal); - node.decimal = String(node.value || value); - return node; - } - estreeParseLiteral(value) { - return this.parseLiteral(value, "Literal"); - } - parseStringLiteral(value) { - return this.estreeParseLiteral(value); - } - parseNumericLiteral(value) { - return this.estreeParseLiteral(value); - } - parseNullLiteral() { - return this.estreeParseLiteral(null); - } - parseBooleanLiteral(value) { - return this.estreeParseLiteral(value); - } - estreeParseChainExpression(node, endLoc) { - const chain = this.startNodeAtNode(node); - chain.expression = node; - return this.finishNodeAt(chain, "ChainExpression", endLoc); - } - directiveToStmt(directive) { - const expression = directive.value; - delete directive.value; - this.castNodeTo(expression, "Literal"); - expression.raw = expression.extra.raw; - expression.value = expression.extra.expressionValue; - const stmt = this.castNodeTo(directive, "ExpressionStatement"); - stmt.expression = expression; - stmt.directive = expression.extra.rawValue; - delete expression.extra; - return stmt; - } - fillOptionalPropertiesForTSESLint(node) {} - cloneEstreeStringLiteral(node) { - const { - start, - end, - loc, - range, - raw, - value - } = node; - const cloned = Object.create(node.constructor.prototype); - cloned.type = "Literal"; - cloned.start = start; - cloned.end = end; - cloned.loc = loc; - cloned.range = range; - cloned.raw = raw; - cloned.value = value; - return cloned; - } - initFunction(node, isAsync) { - super.initFunction(node, isAsync); - node.expression = false; - } - checkDeclaration(node) { - if (node != null && this.isObjectProperty(node)) { - this.checkDeclaration(node.value); - } else { - super.checkDeclaration(node); - } - } - getObjectOrClassMethodParams(method) { - return method.value.params; - } - isValidDirective(stmt) { - var _stmt$expression$extr; - return stmt.type === "ExpressionStatement" && stmt.expression.type === "Literal" && typeof stmt.expression.value === "string" && !((_stmt$expression$extr = stmt.expression.extra) != null && _stmt$expression$extr.parenthesized); - } - parseBlockBody(node, allowDirectives, topLevel, end, afterBlockParse) { - super.parseBlockBody(node, allowDirectives, topLevel, end, afterBlockParse); - const directiveStatements = node.directives.map(d => this.directiveToStmt(d)); - node.body = directiveStatements.concat(node.body); - delete node.directives; - } - parsePrivateName() { - const node = super.parsePrivateName(); - if (!this.getPluginOption("estree", "classFeatures")) { - return node; - } - return this.convertPrivateNameToPrivateIdentifier(node); - } - convertPrivateNameToPrivateIdentifier(node) { - const name = super.getPrivateNameSV(node); - delete node.id; - node.name = name; - return this.castNodeTo(node, "PrivateIdentifier"); - } - isPrivateName(node) { - if (!this.getPluginOption("estree", "classFeatures")) { - return super.isPrivateName(node); - } - return node.type === "PrivateIdentifier"; - } - getPrivateNameSV(node) { - if (!this.getPluginOption("estree", "classFeatures")) { - return super.getPrivateNameSV(node); - } - return node.name; - } - parseLiteral(value, type) { - const node = super.parseLiteral(value, type); - node.raw = node.extra.raw; - delete node.extra; - return node; - } - parseFunctionBody(node, allowExpression, isMethod = false) { - super.parseFunctionBody(node, allowExpression, isMethod); - node.expression = node.body.type !== "BlockStatement"; - } - parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope = false) { - let funcNode = this.startNode(); - funcNode.kind = node.kind; - funcNode = super.parseMethod(funcNode, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope); - delete funcNode.kind; - const { - typeParameters - } = node; - if (typeParameters) { - delete node.typeParameters; - funcNode.typeParameters = typeParameters; - this.resetStartLocationFromNode(funcNode, typeParameters); - } - const valueNode = this.castNodeTo(funcNode, "FunctionExpression"); - node.value = valueNode; - if (type === "ClassPrivateMethod") { - node.computed = false; - } - if (type === "ObjectMethod") { - if (node.kind === "method") { - node.kind = "init"; - } - node.shorthand = false; - return this.finishNode(node, "Property"); - } else { - return this.finishNode(node, "MethodDefinition"); - } - } - nameIsConstructor(key) { - if (key.type === "Literal") return key.value === "constructor"; - return super.nameIsConstructor(key); - } - parseClassProperty(...args) { - const propertyNode = super.parseClassProperty(...args); - if (!this.getPluginOption("estree", "classFeatures")) { - return propertyNode; - } - this.castNodeTo(propertyNode, "PropertyDefinition"); - return propertyNode; - } - parseClassPrivateProperty(...args) { - const propertyNode = super.parseClassPrivateProperty(...args); - if (!this.getPluginOption("estree", "classFeatures")) { - return propertyNode; - } - this.castNodeTo(propertyNode, "PropertyDefinition"); - propertyNode.computed = false; - return propertyNode; - } - parseClassAccessorProperty(node) { - const accessorPropertyNode = super.parseClassAccessorProperty(node); - if (!this.getPluginOption("estree", "classFeatures")) { - return accessorPropertyNode; - } - if (accessorPropertyNode.abstract && this.hasPlugin("typescript")) { - delete accessorPropertyNode.abstract; - this.castNodeTo(accessorPropertyNode, "TSAbstractAccessorProperty"); - } else { - this.castNodeTo(accessorPropertyNode, "AccessorProperty"); - } - return accessorPropertyNode; - } - parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors) { - const node = super.parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors); - if (node) { - node.kind = "init"; - this.castNodeTo(node, "Property"); - } - return node; - } - finishObjectProperty(node) { - node.kind = "init"; - return this.finishNode(node, "Property"); - } - isValidLVal(type, disallowCallExpression, isUnparenthesizedInAssign, binding) { - return type === "Property" ? "value" : super.isValidLVal(type, disallowCallExpression, isUnparenthesizedInAssign, binding); - } - isAssignable(node, isBinding) { - if (node != null && this.isObjectProperty(node)) { - return this.isAssignable(node.value, isBinding); - } - return super.isAssignable(node, isBinding); - } - toAssignable(node, isLHS = false) { - if (node != null && this.isObjectProperty(node)) { - const { - key, - value - } = node; - if (this.isPrivateName(key)) { - this.classScope.usePrivateName(this.getPrivateNameSV(key), key.loc.start); - } - this.toAssignable(value, isLHS); - } else { - super.toAssignable(node, isLHS); - } - } - toAssignableObjectExpressionProp(prop, isLast, isLHS) { - if (prop.type === "Property" && (prop.kind === "get" || prop.kind === "set")) { - this.raise(Errors.PatternHasAccessor, prop.key); - } else if (prop.type === "Property" && prop.method) { - this.raise(Errors.PatternHasMethod, prop.key); - } else { - super.toAssignableObjectExpressionProp(prop, isLast, isLHS); - } - } - finishCallExpression(unfinished, optional) { - const node = super.finishCallExpression(unfinished, optional); - if (node.callee.type === "Import") { - var _ref, _ref2; - this.castNodeTo(node, "ImportExpression"); - node.source = node.arguments[0]; - node.options = (_ref = node.arguments[1]) != null ? _ref : null; - node.attributes = (_ref2 = node.arguments[1]) != null ? _ref2 : null; - delete node.arguments; - delete node.callee; - } else if (node.type === "OptionalCallExpression") { - this.castNodeTo(node, "CallExpression"); - } else { - node.optional = false; - } - return node; - } - toReferencedArguments(node) { - if (node.type === "ImportExpression") { - return; - } - super.toReferencedArguments(node); - } - parseExport(unfinished, decorators) { - const exportStartLoc = this.state.lastTokStartLoc; - const node = super.parseExport(unfinished, decorators); - switch (node.type) { - case "ExportAllDeclaration": - node.exported = null; - break; - case "ExportNamedDeclaration": - if (node.specifiers.length === 1 && node.specifiers[0].type === "ExportNamespaceSpecifier") { - this.castNodeTo(node, "ExportAllDeclaration"); - node.exported = node.specifiers[0].exported; - delete node.specifiers; - } - case "ExportDefaultDeclaration": - { - var _declaration$decorato; - const { - declaration - } = node; - if ((declaration == null ? void 0 : declaration.type) === "ClassDeclaration" && ((_declaration$decorato = declaration.decorators) == null ? void 0 : _declaration$decorato.length) > 0 && declaration.start === node.start) { - this.resetStartLocation(node, exportStartLoc); - } - } - break; - } - return node; - } - stopParseSubscript(base, state) { - const node = super.stopParseSubscript(base, state); - if (state.optionalChainMember) { - return this.estreeParseChainExpression(node, base.loc.end); - } - return node; - } - parseMember(base, startLoc, state, computed, optional) { - const node = super.parseMember(base, startLoc, state, computed, optional); - if (node.type === "OptionalMemberExpression") { - this.castNodeTo(node, "MemberExpression"); - } else { - node.optional = false; - } - return node; - } - isOptionalMemberExpression(node) { - if (node.type === "ChainExpression") { - return node.expression.type === "MemberExpression"; - } - return super.isOptionalMemberExpression(node); - } - hasPropertyAsPrivateName(node) { - if (node.type === "ChainExpression") { - node = node.expression; - } - return super.hasPropertyAsPrivateName(node); - } - isObjectProperty(node) { - return node.type === "Property" && node.kind === "init" && !node.method; - } - isObjectMethod(node) { - return node.type === "Property" && (node.method || node.kind === "get" || node.kind === "set"); - } - castNodeTo(node, type) { - const result = super.castNodeTo(node, type); - this.fillOptionalPropertiesForTSESLint(result); - return result; - } - cloneIdentifier(node) { - const cloned = super.cloneIdentifier(node); - this.fillOptionalPropertiesForTSESLint(cloned); - return cloned; - } - cloneStringLiteral(node) { - if (node.type === "Literal") { - return this.cloneEstreeStringLiteral(node); - } - return super.cloneStringLiteral(node); - } - finishNodeAt(node, type, endLoc) { - return toESTreeLocation(super.finishNodeAt(node, type, endLoc)); - } - finishNode(node, type) { - const result = super.finishNode(node, type); - this.fillOptionalPropertiesForTSESLint(result); - return result; - } - resetStartLocation(node, startLoc) { - super.resetStartLocation(node, startLoc); - toESTreeLocation(node); - } - resetEndLocation(node, endLoc = this.state.lastTokEndLoc) { - super.resetEndLocation(node, endLoc); - toESTreeLocation(node); - } -}; -class TokContext { - constructor(token, preserveSpace) { - this.token = void 0; - this.preserveSpace = void 0; - this.token = token; - this.preserveSpace = !!preserveSpace; - } -} -const types = { - brace: new TokContext("{"), - j_oTag: new TokContext("<tag"), - j_cTag: new TokContext("</tag"), - j_expr: new TokContext("<tag>...</tag>", true) -}; -types.template = new TokContext("`", true); -const beforeExpr = true; -const startsExpr = true; -const isLoop = true; -const isAssign = true; -const prefix = true; -const postfix = true; -class ExportedTokenType { - constructor(label, conf = {}) { - this.label = void 0; - this.keyword = void 0; - this.beforeExpr = void 0; - this.startsExpr = void 0; - this.rightAssociative = void 0; - this.isLoop = void 0; - this.isAssign = void 0; - this.prefix = void 0; - this.postfix = void 0; - this.binop = void 0; - this.label = label; - this.keyword = conf.keyword; - this.beforeExpr = !!conf.beforeExpr; - this.startsExpr = !!conf.startsExpr; - this.rightAssociative = !!conf.rightAssociative; - this.isLoop = !!conf.isLoop; - this.isAssign = !!conf.isAssign; - this.prefix = !!conf.prefix; - this.postfix = !!conf.postfix; - this.binop = conf.binop != null ? conf.binop : null; - this.updateContext = null; - } -} -const keywords$1 = new Map(); -function createKeyword(name, options = {}) { - options.keyword = name; - const token = createToken(name, options); - keywords$1.set(name, token); - return token; -} -function createBinop(name, binop) { - return createToken(name, { - beforeExpr, - binop - }); -} -let tokenTypeCounter = -1; -const tokenTypes = []; -const tokenLabels = []; -const tokenBinops = []; -const tokenBeforeExprs = []; -const tokenStartsExprs = []; -const tokenPrefixes = []; -function createToken(name, options = {}) { - var _options$binop, _options$beforeExpr, _options$startsExpr, _options$prefix; - ++tokenTypeCounter; - tokenLabels.push(name); - tokenBinops.push((_options$binop = options.binop) != null ? _options$binop : -1); - tokenBeforeExprs.push((_options$beforeExpr = options.beforeExpr) != null ? _options$beforeExpr : false); - tokenStartsExprs.push((_options$startsExpr = options.startsExpr) != null ? _options$startsExpr : false); - tokenPrefixes.push((_options$prefix = options.prefix) != null ? _options$prefix : false); - tokenTypes.push(new ExportedTokenType(name, options)); - return tokenTypeCounter; -} -function createKeywordLike(name, options = {}) { - var _options$binop2, _options$beforeExpr2, _options$startsExpr2, _options$prefix2; - ++tokenTypeCounter; - keywords$1.set(name, tokenTypeCounter); - tokenLabels.push(name); - tokenBinops.push((_options$binop2 = options.binop) != null ? _options$binop2 : -1); - tokenBeforeExprs.push((_options$beforeExpr2 = options.beforeExpr) != null ? _options$beforeExpr2 : false); - tokenStartsExprs.push((_options$startsExpr2 = options.startsExpr) != null ? _options$startsExpr2 : false); - tokenPrefixes.push((_options$prefix2 = options.prefix) != null ? _options$prefix2 : false); - tokenTypes.push(new ExportedTokenType("name", options)); - return tokenTypeCounter; -} -const tt = { - bracketL: createToken("[", { - beforeExpr, - startsExpr - }), - bracketHashL: createToken("#[", { - beforeExpr, - startsExpr - }), - bracketBarL: createToken("[|", { - beforeExpr, - startsExpr - }), - bracketR: createToken("]"), - bracketBarR: createToken("|]"), - braceL: createToken("{", { - beforeExpr, - startsExpr - }), - braceBarL: createToken("{|", { - beforeExpr, - startsExpr - }), - braceHashL: createToken("#{", { - beforeExpr, - startsExpr - }), - braceR: createToken("}"), - braceBarR: createToken("|}"), - parenL: createToken("(", { - beforeExpr, - startsExpr - }), - parenR: createToken(")"), - comma: createToken(",", { - beforeExpr - }), - semi: createToken(";", { - beforeExpr - }), - colon: createToken(":", { - beforeExpr - }), - doubleColon: createToken("::", { - beforeExpr - }), - dot: createToken("."), - question: createToken("?", { - beforeExpr - }), - questionDot: createToken("?."), - arrow: createToken("=>", { - beforeExpr - }), - template: createToken("template"), - ellipsis: createToken("...", { - beforeExpr - }), - backQuote: createToken("`", { - startsExpr - }), - dollarBraceL: createToken("${", { - beforeExpr, - startsExpr - }), - templateTail: createToken("...`", { - startsExpr - }), - templateNonTail: createToken("...${", { - beforeExpr, - startsExpr - }), - at: createToken("@"), - hash: createToken("#", { - startsExpr - }), - interpreterDirective: createToken("#!..."), - eq: createToken("=", { - beforeExpr, - isAssign - }), - assign: createToken("_=", { - beforeExpr, - isAssign - }), - slashAssign: createToken("_=", { - beforeExpr, - isAssign - }), - xorAssign: createToken("_=", { - beforeExpr, - isAssign - }), - moduloAssign: createToken("_=", { - beforeExpr, - isAssign - }), - incDec: createToken("++/--", { - prefix, - postfix, - startsExpr - }), - bang: createToken("!", { - beforeExpr, - prefix, - startsExpr - }), - tilde: createToken("~", { - beforeExpr, - prefix, - startsExpr - }), - doubleCaret: createToken("^^", { - startsExpr - }), - doubleAt: createToken("@@", { - startsExpr - }), - pipeline: createBinop("|>", 0), - nullishCoalescing: createBinop("??", 1), - logicalOR: createBinop("||", 1), - logicalAND: createBinop("&&", 2), - bitwiseOR: createBinop("|", 3), - bitwiseXOR: createBinop("^", 4), - bitwiseAND: createBinop("&", 5), - equality: createBinop("==/!=/===/!==", 6), - lt: createBinop("</>/<=/>=", 7), - gt: createBinop("</>/<=/>=", 7), - relational: createBinop("</>/<=/>=", 7), - bitShift: createBinop("<</>>/>>>", 8), - bitShiftL: createBinop("<</>>/>>>", 8), - bitShiftR: createBinop("<</>>/>>>", 8), - plusMin: createToken("+/-", { - beforeExpr, - binop: 9, - prefix, - startsExpr - }), - modulo: createToken("%", { - binop: 10, - startsExpr - }), - star: createToken("*", { - binop: 10 - }), - slash: createBinop("/", 10), - exponent: createToken("**", { - beforeExpr, - binop: 11, - rightAssociative: true - }), - _in: createKeyword("in", { - beforeExpr, - binop: 7 - }), - _instanceof: createKeyword("instanceof", { - beforeExpr, - binop: 7 - }), - _break: createKeyword("break"), - _case: createKeyword("case", { - beforeExpr - }), - _catch: createKeyword("catch"), - _continue: createKeyword("continue"), - _debugger: createKeyword("debugger"), - _default: createKeyword("default", { - beforeExpr - }), - _else: createKeyword("else", { - beforeExpr - }), - _finally: createKeyword("finally"), - _function: createKeyword("function", { - startsExpr - }), - _if: createKeyword("if"), - _return: createKeyword("return", { - beforeExpr - }), - _switch: createKeyword("switch"), - _throw: createKeyword("throw", { - beforeExpr, - prefix, - startsExpr - }), - _try: createKeyword("try"), - _var: createKeyword("var"), - _const: createKeyword("const"), - _with: createKeyword("with"), - _new: createKeyword("new", { - beforeExpr, - startsExpr - }), - _this: createKeyword("this", { - startsExpr - }), - _super: createKeyword("super", { - startsExpr - }), - _class: createKeyword("class", { - startsExpr - }), - _extends: createKeyword("extends", { - beforeExpr - }), - _export: createKeyword("export"), - _import: createKeyword("import", { - startsExpr - }), - _null: createKeyword("null", { - startsExpr - }), - _true: createKeyword("true", { - startsExpr - }), - _false: createKeyword("false", { - startsExpr - }), - _typeof: createKeyword("typeof", { - beforeExpr, - prefix, - startsExpr - }), - _void: createKeyword("void", { - beforeExpr, - prefix, - startsExpr - }), - _delete: createKeyword("delete", { - beforeExpr, - prefix, - startsExpr - }), - _do: createKeyword("do", { - isLoop, - beforeExpr - }), - _for: createKeyword("for", { - isLoop - }), - _while: createKeyword("while", { - isLoop - }), - _as: createKeywordLike("as", { - startsExpr - }), - _assert: createKeywordLike("assert", { - startsExpr - }), - _async: createKeywordLike("async", { - startsExpr - }), - _await: createKeywordLike("await", { - startsExpr - }), - _defer: createKeywordLike("defer", { - startsExpr - }), - _from: createKeywordLike("from", { - startsExpr - }), - _get: createKeywordLike("get", { - startsExpr - }), - _let: createKeywordLike("let", { - startsExpr - }), - _meta: createKeywordLike("meta", { - startsExpr - }), - _of: createKeywordLike("of", { - startsExpr - }), - _sent: createKeywordLike("sent", { - startsExpr - }), - _set: createKeywordLike("set", { - startsExpr - }), - _source: createKeywordLike("source", { - startsExpr - }), - _static: createKeywordLike("static", { - startsExpr - }), - _using: createKeywordLike("using", { - startsExpr - }), - _yield: createKeywordLike("yield", { - startsExpr - }), - _asserts: createKeywordLike("asserts", { - startsExpr - }), - _checks: createKeywordLike("checks", { - startsExpr - }), - _exports: createKeywordLike("exports", { - startsExpr - }), - _global: createKeywordLike("global", { - startsExpr - }), - _implements: createKeywordLike("implements", { - startsExpr - }), - _intrinsic: createKeywordLike("intrinsic", { - startsExpr - }), - _infer: createKeywordLike("infer", { - startsExpr - }), - _is: createKeywordLike("is", { - startsExpr - }), - _mixins: createKeywordLike("mixins", { - startsExpr - }), - _proto: createKeywordLike("proto", { - startsExpr - }), - _require: createKeywordLike("require", { - startsExpr - }), - _satisfies: createKeywordLike("satisfies", { - startsExpr - }), - _keyof: createKeywordLike("keyof", { - startsExpr - }), - _readonly: createKeywordLike("readonly", { - startsExpr - }), - _unique: createKeywordLike("unique", { - startsExpr - }), - _abstract: createKeywordLike("abstract", { - startsExpr - }), - _declare: createKeywordLike("declare", { - startsExpr - }), - _enum: createKeywordLike("enum", { - startsExpr - }), - _module: createKeywordLike("module", { - startsExpr - }), - _namespace: createKeywordLike("namespace", { - startsExpr - }), - _interface: createKeywordLike("interface", { - startsExpr - }), - _type: createKeywordLike("type", { - startsExpr - }), - _opaque: createKeywordLike("opaque", { - startsExpr - }), - name: createToken("name", { - startsExpr - }), - placeholder: createToken("%%", { - startsExpr - }), - string: createToken("string", { - startsExpr - }), - num: createToken("num", { - startsExpr - }), - bigint: createToken("bigint", { - startsExpr - }), - decimal: createToken("decimal", { - startsExpr - }), - regexp: createToken("regexp", { - startsExpr - }), - privateName: createToken("#name", { - startsExpr - }), - eof: createToken("eof"), - jsxName: createToken("jsxName"), - jsxText: createToken("jsxText", { - beforeExpr - }), - jsxTagStart: createToken("jsxTagStart", { - startsExpr - }), - jsxTagEnd: createToken("jsxTagEnd") -}; -function tokenIsIdentifier(token) { - return token >= 93 && token <= 133; -} -function tokenKeywordOrIdentifierIsKeyword(token) { - return token <= 92; -} -function tokenIsKeywordOrIdentifier(token) { - return token >= 58 && token <= 133; -} -function tokenIsLiteralPropertyName(token) { - return token >= 58 && token <= 137; -} -function tokenComesBeforeExpression(token) { - return tokenBeforeExprs[token]; -} -function tokenCanStartExpression(token) { - return tokenStartsExprs[token]; -} -function tokenIsAssignment(token) { - return token >= 29 && token <= 33; -} -function tokenIsFlowInterfaceOrTypeOrOpaque(token) { - return token >= 129 && token <= 131; -} -function tokenIsLoop(token) { - return token >= 90 && token <= 92; -} -function tokenIsKeyword(token) { - return token >= 58 && token <= 92; -} -function tokenIsOperator(token) { - return token >= 39 && token <= 59; -} -function tokenIsPostfix(token) { - return token === 34; -} -function tokenIsPrefix(token) { - return tokenPrefixes[token]; -} -function tokenIsTSTypeOperator(token) { - return token >= 121 && token <= 123; -} -function tokenIsTSDeclarationStart(token) { - return token >= 124 && token <= 130; -} -function tokenLabelName(token) { - return tokenLabels[token]; -} -function tokenOperatorPrecedence(token) { - return tokenBinops[token]; -} -function tokenIsRightAssociative(token) { - return token === 57; -} -function tokenIsTemplate(token) { - return token >= 24 && token <= 25; -} -function getExportedToken(token) { - return tokenTypes[token]; -} -tokenTypes[8].updateContext = context => { - context.pop(); -}; -tokenTypes[5].updateContext = tokenTypes[7].updateContext = tokenTypes[23].updateContext = context => { - context.push(types.brace); -}; -tokenTypes[22].updateContext = context => { - if (context[context.length - 1] === types.template) { - context.pop(); - } else { - context.push(types.template); - } -}; -tokenTypes[143].updateContext = context => { - context.push(types.j_expr, types.j_oTag); -}; -let nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088f\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5c\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdc-\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c8a\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7dc\ua7f1-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"; -let nonASCIIidentifierChars = "\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u0897-\u089f\u08ca-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3c\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0cf3\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ece\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u180f-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf-\u1add\u1ae0-\u1aeb\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1dff\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\u30fb\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f\uff65"; -const nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]"); -const nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]"); -nonASCIIidentifierStartChars = nonASCIIidentifierChars = null; -const astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 13, 10, 2, 14, 2, 6, 2, 1, 2, 10, 2, 14, 2, 6, 2, 1, 4, 51, 13, 310, 10, 21, 11, 7, 25, 5, 2, 41, 2, 8, 70, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 7, 25, 39, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 39, 27, 10, 22, 251, 41, 7, 1, 17, 5, 57, 28, 11, 0, 9, 21, 43, 17, 47, 20, 28, 22, 13, 52, 58, 1, 3, 0, 14, 44, 33, 24, 27, 35, 30, 0, 3, 0, 9, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 20, 1, 64, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 31, 9, 2, 0, 3, 0, 2, 37, 2, 0, 26, 0, 2, 0, 45, 52, 19, 3, 21, 2, 31, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 38, 6, 186, 43, 117, 63, 32, 7, 3, 0, 3, 7, 2, 1, 2, 23, 16, 0, 2, 0, 95, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 19, 72, 200, 32, 32, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 24, 43, 261, 18, 16, 0, 2, 12, 2, 33, 125, 0, 80, 921, 103, 110, 18, 195, 2637, 96, 16, 1071, 18, 5, 26, 3994, 6, 582, 6842, 29, 1763, 568, 8, 30, 18, 78, 18, 29, 19, 47, 17, 3, 32, 20, 6, 18, 433, 44, 212, 63, 33, 24, 3, 24, 45, 74, 6, 0, 67, 12, 65, 1, 2, 0, 15, 4, 10, 7381, 42, 31, 98, 114, 8702, 3, 2, 6, 2, 1, 2, 290, 16, 0, 30, 2, 3, 0, 15, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 1845, 30, 7, 5, 262, 61, 147, 44, 11, 6, 17, 0, 322, 29, 19, 43, 485, 27, 229, 29, 3, 0, 208, 30, 2, 2, 2, 1, 2, 6, 3, 4, 10, 1, 225, 6, 2, 3, 2, 1, 2, 14, 2, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42719, 33, 4381, 3, 5773, 3, 7472, 16, 621, 2467, 541, 1507, 4938, 6, 8489]; -const astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 7, 9, 32, 4, 318, 1, 78, 5, 71, 10, 50, 3, 123, 2, 54, 14, 32, 10, 3, 1, 11, 3, 46, 10, 8, 0, 46, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 2, 11, 83, 11, 7, 0, 3, 0, 158, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 68, 8, 2, 0, 3, 0, 2, 3, 2, 4, 2, 0, 15, 1, 83, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 7, 19, 58, 14, 5, 9, 243, 14, 166, 9, 71, 5, 2, 1, 3, 3, 2, 0, 2, 1, 13, 9, 120, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 199, 7, 137, 9, 54, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 55, 9, 266, 3, 10, 1, 2, 0, 49, 6, 4, 4, 14, 10, 5350, 0, 7, 14, 11465, 27, 2343, 9, 87, 9, 39, 4, 60, 6, 26, 9, 535, 9, 470, 0, 2, 54, 8, 3, 82, 0, 12, 1, 19628, 1, 4178, 9, 519, 45, 3, 22, 543, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 101, 0, 161, 6, 10, 9, 357, 0, 62, 13, 499, 13, 245, 1, 2, 9, 233, 0, 3, 0, 8, 1, 6, 0, 475, 6, 110, 6, 6, 9, 4759, 9, 787719, 239]; -function isInAstralSet(code, set) { - let pos = 0x10000; - for (let i = 0, length = set.length; i < length; i += 2) { - pos += set[i]; - if (pos > code) return false; - pos += set[i + 1]; - if (pos >= code) return true; - } - return false; -} -function isIdentifierStart(code) { - if (code < 65) return code === 36; - if (code <= 90) return true; - if (code < 97) return code === 95; - if (code <= 122) return true; - if (code <= 0xffff) { - return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)); - } - return isInAstralSet(code, astralIdentifierStartCodes); -} -function isIdentifierChar(code) { - if (code < 48) return code === 36; - if (code < 58) return true; - if (code < 65) return false; - if (code <= 90) return true; - if (code < 97) return code === 95; - if (code <= 122) return true; - if (code <= 0xffff) { - return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)); - } - return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes); -} -const reservedWords = { - keyword: ["break", "case", "catch", "continue", "debugger", "default", "do", "else", "finally", "for", "function", "if", "return", "switch", "throw", "try", "var", "const", "while", "with", "new", "this", "super", "class", "extends", "export", "import", "null", "true", "false", "in", "instanceof", "typeof", "void", "delete"], - strict: ["implements", "interface", "let", "package", "private", "protected", "public", "static", "yield"], - strictBind: ["eval", "arguments"] -}; -const keywords = new Set(reservedWords.keyword); -const reservedWordsStrictSet = new Set(reservedWords.strict); -const reservedWordsStrictBindSet = new Set(reservedWords.strictBind); -function isReservedWord(word, inModule) { - return inModule && word === "await" || word === "enum"; -} -function isStrictReservedWord(word, inModule) { - return isReservedWord(word, inModule) || reservedWordsStrictSet.has(word); -} -function isStrictBindOnlyReservedWord(word) { - return reservedWordsStrictBindSet.has(word); -} -function isStrictBindReservedWord(word, inModule) { - return isStrictReservedWord(word, inModule) || isStrictBindOnlyReservedWord(word); -} -function isKeyword(word) { - return keywords.has(word); -} -function isIteratorStart(current, next, next2) { - return current === 64 && next === 64 && isIdentifierStart(next2); -} -const reservedWordLikeSet = new Set(["break", "case", "catch", "continue", "debugger", "default", "do", "else", "finally", "for", "function", "if", "return", "switch", "throw", "try", "var", "const", "while", "with", "new", "this", "super", "class", "extends", "export", "import", "null", "true", "false", "in", "instanceof", "typeof", "void", "delete", "implements", "interface", "let", "package", "private", "protected", "public", "static", "yield", "eval", "arguments", "enum", "await"]); -function canBeReservedWord(word) { - return reservedWordLikeSet.has(word); -} -class Scope { - constructor(flags) { - this.flags = 0; - this.names = new Map(); - this.firstLexicalName = ""; - this.flags = flags; - } -} -class ScopeHandler { - constructor(parser, inModule) { - this.parser = void 0; - this.scopeStack = []; - this.inModule = void 0; - this.undefinedExports = new Map(); - this.parser = parser; - this.inModule = inModule; - } - get inTopLevel() { - return (this.currentScope().flags & 1) > 0; - } - get inFunction() { - return (this.currentVarScopeFlags() & 2) > 0; - } - get allowSuper() { - return (this.currentThisScopeFlags() & 16) > 0; - } - get allowDirectSuper() { - return (this.currentThisScopeFlags() & 32) > 0; - } - get allowNewTarget() { - return (this.currentThisScopeFlags() & 512) > 0; - } - get inClass() { - return (this.currentThisScopeFlags() & 64) > 0; - } - get inClassAndNotInNonArrowFunction() { - const flags = this.currentThisScopeFlags(); - return (flags & 64) > 0 && (flags & 2) === 0; - } - get inStaticBlock() { - for (let i = this.scopeStack.length - 1;; i--) { - const { - flags - } = this.scopeStack[i]; - if (flags & 128) { - return true; - } - if (flags & (1667 | 64)) { - return false; - } - } - } - get inNonArrowFunction() { - return (this.currentThisScopeFlags() & 2) > 0; - } - get inBareCaseStatement() { - return (this.currentScope().flags & 256) > 0; - } - get treatFunctionsAsVar() { - return this.treatFunctionsAsVarInScope(this.currentScope()); - } - createScope(flags) { - return new Scope(flags); - } - enter(flags) { - this.scopeStack.push(this.createScope(flags)); - } - exit() { - const scope = this.scopeStack.pop(); - return scope.flags; - } - treatFunctionsAsVarInScope(scope) { - return !!(scope.flags & (2 | 128) || !this.parser.inModule && scope.flags & 1); - } - declareName(name, bindingType, loc) { - let scope = this.currentScope(); - if (bindingType & 8 || bindingType & 16) { - this.checkRedeclarationInScope(scope, name, bindingType, loc); - let type = scope.names.get(name) || 0; - if (bindingType & 16) { - type = type | 4; - } else { - if (!scope.firstLexicalName) { - scope.firstLexicalName = name; - } - type = type | 2; - } - scope.names.set(name, type); - if (bindingType & 8) { - this.maybeExportDefined(scope, name); - } - } else if (bindingType & 4) { - for (let i = this.scopeStack.length - 1; i >= 0; --i) { - scope = this.scopeStack[i]; - this.checkRedeclarationInScope(scope, name, bindingType, loc); - scope.names.set(name, (scope.names.get(name) || 0) | 1); - this.maybeExportDefined(scope, name); - if (scope.flags & 1667) break; - } - } - if (this.parser.inModule && scope.flags & 1) { - this.undefinedExports.delete(name); - } - } - maybeExportDefined(scope, name) { - if (this.parser.inModule && scope.flags & 1) { - this.undefinedExports.delete(name); - } - } - checkRedeclarationInScope(scope, name, bindingType, loc) { - if (this.isRedeclaredInScope(scope, name, bindingType)) { - this.parser.raise(Errors.VarRedeclaration, loc, { - identifierName: name - }); - } - } - isRedeclaredInScope(scope, name, bindingType) { - if (!(bindingType & 1)) return false; - if (bindingType & 8) { - return scope.names.has(name); - } - const type = scope.names.get(name) || 0; - if (bindingType & 16) { - return (type & 2) > 0 || !this.treatFunctionsAsVarInScope(scope) && (type & 1) > 0; - } - return (type & 2) > 0 && !(scope.flags & 8 && scope.firstLexicalName === name) || !this.treatFunctionsAsVarInScope(scope) && (type & 4) > 0; - } - checkLocalExport(id) { - const { - name - } = id; - const topLevelScope = this.scopeStack[0]; - if (!topLevelScope.names.has(name)) { - this.undefinedExports.set(name, id.loc.start); - } - } - currentScope() { - return this.scopeStack[this.scopeStack.length - 1]; - } - currentVarScopeFlags() { - for (let i = this.scopeStack.length - 1;; i--) { - const { - flags - } = this.scopeStack[i]; - if (flags & 1667) { - return flags; - } - } - } - currentThisScopeFlags() { - for (let i = this.scopeStack.length - 1;; i--) { - const { - flags - } = this.scopeStack[i]; - if (flags & (1667 | 64) && !(flags & 4)) { - return flags; - } - } - } -} -class FlowScope extends Scope { - constructor(...args) { - super(...args); - this.declareFunctions = new Set(); - } -} -class FlowScopeHandler extends ScopeHandler { - createScope(flags) { - return new FlowScope(flags); - } - declareName(name, bindingType, loc) { - const scope = this.currentScope(); - if (bindingType & 2048) { - this.checkRedeclarationInScope(scope, name, bindingType, loc); - this.maybeExportDefined(scope, name); - scope.declareFunctions.add(name); - return; - } - super.declareName(name, bindingType, loc); - } - isRedeclaredInScope(scope, name, bindingType) { - if (super.isRedeclaredInScope(scope, name, bindingType)) return true; - if (bindingType & 2048 && !scope.declareFunctions.has(name)) { - const type = scope.names.get(name); - return (type & 4) > 0 || (type & 2) > 0; - } - return false; - } - checkLocalExport(id) { - if (!this.scopeStack[0].declareFunctions.has(id.name)) { - super.checkLocalExport(id); - } - } -} -const reservedTypes = new Set(["_", "any", "bool", "boolean", "empty", "extends", "false", "interface", "mixed", "null", "number", "static", "string", "true", "typeof", "void"]); -const FlowErrors = ParseErrorEnum`flow`({ - AmbiguousConditionalArrow: "Ambiguous expression: wrap the arrow functions in parentheses to disambiguate.", - AmbiguousDeclareModuleKind: "Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module.", - AssignReservedType: ({ - reservedType - }) => `Cannot overwrite reserved type ${reservedType}.`, - DeclareClassElement: "The `declare` modifier can only appear on class fields.", - DeclareClassFieldInitializer: "Initializers are not allowed in fields with the `declare` modifier.", - DuplicateDeclareModuleExports: "Duplicate `declare module.exports` statement.", - EnumBooleanMemberNotInitialized: ({ - memberName, - enumName - }) => `Boolean enum members need to be initialized. Use either \`${memberName} = true,\` or \`${memberName} = false,\` in enum \`${enumName}\`.`, - EnumDuplicateMemberName: ({ - memberName, - enumName - }) => `Enum member names need to be unique, but the name \`${memberName}\` has already been used before in enum \`${enumName}\`.`, - EnumInconsistentMemberValues: ({ - enumName - }) => `Enum \`${enumName}\` has inconsistent member initializers. Either use no initializers, or consistently use literals (either booleans, numbers, or strings) for all member initializers.`, - EnumInvalidExplicitType: ({ - invalidEnumType, - enumName - }) => `Enum type \`${invalidEnumType}\` is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`, - EnumInvalidExplicitTypeUnknownSupplied: ({ - enumName - }) => `Supplied enum type is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`, - EnumInvalidMemberInitializerPrimaryType: ({ - enumName, - memberName, - explicitType - }) => `Enum \`${enumName}\` has type \`${explicitType}\`, so the initializer of \`${memberName}\` needs to be a ${explicitType} literal.`, - EnumInvalidMemberInitializerSymbolType: ({ - enumName, - memberName - }) => `Symbol enum members cannot be initialized. Use \`${memberName},\` in enum \`${enumName}\`.`, - EnumInvalidMemberInitializerUnknownType: ({ - enumName, - memberName - }) => `The enum member initializer for \`${memberName}\` needs to be a literal (either a boolean, number, or string) in enum \`${enumName}\`.`, - EnumInvalidMemberName: ({ - enumName, - memberName, - suggestion - }) => `Enum member names cannot start with lowercase 'a' through 'z'. Instead of using \`${memberName}\`, consider using \`${suggestion}\`, in enum \`${enumName}\`.`, - EnumNumberMemberNotInitialized: ({ - enumName, - memberName - }) => `Number enum members need to be initialized, e.g. \`${memberName} = 1\` in enum \`${enumName}\`.`, - EnumStringMemberInconsistentlyInitialized: ({ - enumName - }) => `String enum members need to consistently either all use initializers, or use no initializers, in enum \`${enumName}\`.`, - GetterMayNotHaveThisParam: "A getter cannot have a `this` parameter.", - ImportReflectionHasImportType: "An `import module` declaration can not use `type` or `typeof` keyword.", - ImportTypeShorthandOnlyInPureImport: "The `type` and `typeof` keywords on named imports can only be used on regular `import` statements. It cannot be used with `import type` or `import typeof` statements.", - InexactInsideExact: "Explicit inexact syntax cannot appear inside an explicit exact object type.", - InexactInsideNonObject: "Explicit inexact syntax cannot appear in class or interface definitions.", - InexactVariance: "Explicit inexact syntax cannot have variance.", - InvalidNonTypeImportInDeclareModule: "Imports within a `declare module` body must always be `import type` or `import typeof`.", - MissingTypeParamDefault: "Type parameter declaration needs a default, since a preceding type parameter declaration has a default.", - NestedDeclareModule: "`declare module` cannot be used inside another `declare module`.", - NestedFlowComment: "Cannot have a flow comment inside another flow comment.", - PatternIsOptional: Object.assign({ - message: "A binding pattern parameter cannot be optional in an implementation signature." - }, { - reasonCode: "OptionalBindingPattern" - }), - SetterMayNotHaveThisParam: "A setter cannot have a `this` parameter.", - SpreadVariance: "Spread properties cannot have variance.", - ThisParamAnnotationRequired: "A type annotation is required for the `this` parameter.", - ThisParamBannedInConstructor: "Constructors cannot have a `this` parameter; constructors don't bind `this` like other functions.", - ThisParamMayNotBeOptional: "The `this` parameter cannot be optional.", - ThisParamMustBeFirst: "The `this` parameter must be the first function parameter.", - ThisParamNoDefault: "The `this` parameter may not have a default value.", - TypeBeforeInitializer: "Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.", - TypeCastInPattern: "The type cast expression is expected to be wrapped with parenthesis.", - UnexpectedExplicitInexactInObject: "Explicit inexact syntax must appear at the end of an inexact object.", - UnexpectedReservedType: ({ - reservedType - }) => `Unexpected reserved type ${reservedType}.`, - UnexpectedReservedUnderscore: "`_` is only allowed as a type argument to call or new.", - UnexpectedSpaceBetweenModuloChecks: "Spaces between `%` and `checks` are not allowed here.", - UnexpectedSpreadType: "Spread operator cannot appear in class or interface definitions.", - UnexpectedSubtractionOperand: 'Unexpected token, expected "number" or "bigint".', - UnexpectedTokenAfterTypeParameter: "Expected an arrow function after this type parameter declaration.", - UnexpectedTypeParameterBeforeAsyncArrowFunction: "Type parameters must come after the async keyword, e.g. instead of `<T> async () => {}`, use `async <T>() => {}`.", - UnsupportedDeclareExportKind: ({ - unsupportedExportKind, - suggestion - }) => `\`declare export ${unsupportedExportKind}\` is not supported. Use \`${suggestion}\` instead.`, - UnsupportedStatementInDeclareModule: "Only declares and type imports are allowed inside declare module.", - UnterminatedFlowComment: "Unterminated flow-comment." -}); -function isEsModuleType(bodyElement) { - return bodyElement.type === "DeclareExportAllDeclaration" || bodyElement.type === "DeclareExportDeclaration" && (!bodyElement.declaration || bodyElement.declaration.type !== "TypeAlias" && bodyElement.declaration.type !== "InterfaceDeclaration"); -} -function hasTypeImportKind(node) { - return node.importKind === "type" || node.importKind === "typeof"; -} -const exportSuggestions = { - const: "declare export var", - let: "declare export var", - type: "export type", - interface: "export interface" -}; -function partition(list, test) { - const list1 = []; - const list2 = []; - for (let i = 0; i < list.length; i++) { - (test(list[i], i, list) ? list1 : list2).push(list[i]); - } - return [list1, list2]; -} -const FLOW_PRAGMA_REGEX = /\*?\s*@((?:no)?flow)\b/; -var flow = superClass => class FlowParserMixin extends superClass { - constructor(...args) { - super(...args); - this.flowPragma = undefined; - } - getScopeHandler() { - return FlowScopeHandler; - } - shouldParseTypes() { - return this.getPluginOption("flow", "all") || this.flowPragma === "flow"; - } - finishToken(type, val) { - if (type !== 134 && type !== 13 && type !== 28) { - if (this.flowPragma === undefined) { - this.flowPragma = null; - } - } - super.finishToken(type, val); - } - addComment(comment) { - if (this.flowPragma === undefined) { - const matches = FLOW_PRAGMA_REGEX.exec(comment.value); - if (!matches) ;else if (matches[1] === "flow") { - this.flowPragma = "flow"; - } else if (matches[1] === "noflow") { - this.flowPragma = "noflow"; - } else { - throw new Error("Unexpected flow pragma"); - } - } - super.addComment(comment); - } - flowParseTypeInitialiser(tok) { - const oldInType = this.state.inType; - this.state.inType = true; - this.expect(tok || 14); - const type = this.flowParseType(); - this.state.inType = oldInType; - return type; - } - flowParsePredicate() { - const node = this.startNode(); - const moduloLoc = this.state.startLoc; - this.next(); - this.expectContextual(110); - if (this.state.lastTokStartLoc.index > moduloLoc.index + 1) { - this.raise(FlowErrors.UnexpectedSpaceBetweenModuloChecks, moduloLoc); - } - if (this.eat(10)) { - node.value = super.parseExpression(); - this.expect(11); - return this.finishNode(node, "DeclaredPredicate"); - } else { - return this.finishNode(node, "InferredPredicate"); - } - } - flowParseTypeAndPredicateInitialiser() { - const oldInType = this.state.inType; - this.state.inType = true; - this.expect(14); - let type = null; - let predicate = null; - if (this.match(54)) { - this.state.inType = oldInType; - predicate = this.flowParsePredicate(); - } else { - type = this.flowParseType(); - this.state.inType = oldInType; - if (this.match(54)) { - predicate = this.flowParsePredicate(); - } - } - return [type, predicate]; - } - flowParseDeclareClass(node) { - this.next(); - this.flowParseInterfaceish(node, true); - return this.finishNode(node, "DeclareClass"); - } - flowParseDeclareFunction(node) { - this.next(); - const id = node.id = this.parseIdentifier(); - const typeNode = this.startNode(); - const typeContainer = this.startNode(); - if (this.match(47)) { - typeNode.typeParameters = this.flowParseTypeParameterDeclaration(); - } else { - typeNode.typeParameters = null; - } - this.expect(10); - const tmp = this.flowParseFunctionTypeParams(); - typeNode.params = tmp.params; - typeNode.rest = tmp.rest; - typeNode.this = tmp._this; - this.expect(11); - [typeNode.returnType, node.predicate] = this.flowParseTypeAndPredicateInitialiser(); - typeContainer.typeAnnotation = this.finishNode(typeNode, "FunctionTypeAnnotation"); - id.typeAnnotation = this.finishNode(typeContainer, "TypeAnnotation"); - this.resetEndLocation(id); - this.semicolon(); - this.scope.declareName(node.id.name, 2048, node.id.loc.start); - return this.finishNode(node, "DeclareFunction"); - } - flowParseDeclare(node, insideModule) { - if (this.match(80)) { - return this.flowParseDeclareClass(node); - } else if (this.match(68)) { - return this.flowParseDeclareFunction(node); - } else if (this.match(74)) { - return this.flowParseDeclareVariable(node); - } else if (this.eatContextual(127)) { - if (this.match(16)) { - return this.flowParseDeclareModuleExports(node); - } else { - if (insideModule) { - this.raise(FlowErrors.NestedDeclareModule, this.state.lastTokStartLoc); - } - return this.flowParseDeclareModule(node); - } - } else if (this.isContextual(130)) { - return this.flowParseDeclareTypeAlias(node); - } else if (this.isContextual(131)) { - return this.flowParseDeclareOpaqueType(node); - } else if (this.isContextual(129)) { - return this.flowParseDeclareInterface(node); - } else if (this.match(82)) { - return this.flowParseDeclareExportDeclaration(node, insideModule); - } - throw this.unexpected(); - } - flowParseDeclareVariable(node) { - this.next(); - node.id = this.flowParseTypeAnnotatableIdentifier(true); - this.scope.declareName(node.id.name, 5, node.id.loc.start); - this.semicolon(); - return this.finishNode(node, "DeclareVariable"); - } - flowParseDeclareModule(node) { - this.scope.enter(0); - if (this.match(134)) { - node.id = super.parseExprAtom(); - } else { - node.id = this.parseIdentifier(); - } - const bodyNode = node.body = this.startNode(); - const body = bodyNode.body = []; - this.expect(5); - while (!this.match(8)) { - const bodyNode = this.startNode(); - if (this.match(83)) { - this.next(); - if (!this.isContextual(130) && !this.match(87)) { - this.raise(FlowErrors.InvalidNonTypeImportInDeclareModule, this.state.lastTokStartLoc); - } - body.push(super.parseImport(bodyNode)); - } else { - this.expectContextual(125, FlowErrors.UnsupportedStatementInDeclareModule); - body.push(this.flowParseDeclare(bodyNode, true)); - } - } - this.scope.exit(); - this.expect(8); - this.finishNode(bodyNode, "BlockStatement"); - let kind = null; - let hasModuleExport = false; - body.forEach(bodyElement => { - if (isEsModuleType(bodyElement)) { - if (kind === "CommonJS") { - this.raise(FlowErrors.AmbiguousDeclareModuleKind, bodyElement); - } - kind = "ES"; - } else if (bodyElement.type === "DeclareModuleExports") { - if (hasModuleExport) { - this.raise(FlowErrors.DuplicateDeclareModuleExports, bodyElement); - } - if (kind === "ES") { - this.raise(FlowErrors.AmbiguousDeclareModuleKind, bodyElement); - } - kind = "CommonJS"; - hasModuleExport = true; - } - }); - node.kind = kind || "CommonJS"; - return this.finishNode(node, "DeclareModule"); - } - flowParseDeclareExportDeclaration(node, insideModule) { - this.expect(82); - if (this.eat(65)) { - if (this.match(68) || this.match(80)) { - node.declaration = this.flowParseDeclare(this.startNode()); - } else { - node.declaration = this.flowParseType(); - this.semicolon(); - } - node.default = true; - return this.finishNode(node, "DeclareExportDeclaration"); - } else { - if (this.match(75) || this.isLet() || (this.isContextual(130) || this.isContextual(129)) && !insideModule) { - const label = this.state.value; - throw this.raise(FlowErrors.UnsupportedDeclareExportKind, this.state.startLoc, { - unsupportedExportKind: label, - suggestion: exportSuggestions[label] - }); - } - if (this.match(74) || this.match(68) || this.match(80) || this.isContextual(131)) { - node.declaration = this.flowParseDeclare(this.startNode()); - node.default = false; - return this.finishNode(node, "DeclareExportDeclaration"); - } else if (this.match(55) || this.match(5) || this.isContextual(129) || this.isContextual(130) || this.isContextual(131)) { - node = this.parseExport(node, null); - if (node.type === "ExportNamedDeclaration") { - node.default = false; - delete node.exportKind; - return this.castNodeTo(node, "DeclareExportDeclaration"); - } else { - return this.castNodeTo(node, "DeclareExportAllDeclaration"); - } - } - } - throw this.unexpected(); - } - flowParseDeclareModuleExports(node) { - this.next(); - this.expectContextual(111); - node.typeAnnotation = this.flowParseTypeAnnotation(); - this.semicolon(); - return this.finishNode(node, "DeclareModuleExports"); - } - flowParseDeclareTypeAlias(node) { - this.next(); - const finished = this.flowParseTypeAlias(node); - this.castNodeTo(finished, "DeclareTypeAlias"); - return finished; - } - flowParseDeclareOpaqueType(node) { - this.next(); - const finished = this.flowParseOpaqueType(node, true); - this.castNodeTo(finished, "DeclareOpaqueType"); - return finished; - } - flowParseDeclareInterface(node) { - this.next(); - this.flowParseInterfaceish(node, false); - return this.finishNode(node, "DeclareInterface"); - } - flowParseInterfaceish(node, isClass) { - node.id = this.flowParseRestrictedIdentifier(!isClass, true); - this.scope.declareName(node.id.name, isClass ? 17 : 8201, node.id.loc.start); - if (this.match(47)) { - node.typeParameters = this.flowParseTypeParameterDeclaration(); - } else { - node.typeParameters = null; - } - node.extends = []; - if (this.eat(81)) { - do { - node.extends.push(this.flowParseInterfaceExtends()); - } while (!isClass && this.eat(12)); - } - if (isClass) { - node.implements = []; - node.mixins = []; - if (this.eatContextual(117)) { - do { - node.mixins.push(this.flowParseInterfaceExtends()); - } while (this.eat(12)); - } - if (this.eatContextual(113)) { - do { - node.implements.push(this.flowParseInterfaceExtends()); - } while (this.eat(12)); - } - } - node.body = this.flowParseObjectType({ - allowStatic: isClass, - allowExact: false, - allowSpread: false, - allowProto: isClass, - allowInexact: false - }); - } - flowParseInterfaceExtends() { - const node = this.startNode(); - node.id = this.flowParseQualifiedTypeIdentifier(); - if (this.match(47)) { - node.typeParameters = this.flowParseTypeParameterInstantiation(); - } else { - node.typeParameters = null; - } - return this.finishNode(node, "InterfaceExtends"); - } - flowParseInterface(node) { - this.flowParseInterfaceish(node, false); - return this.finishNode(node, "InterfaceDeclaration"); - } - checkNotUnderscore(word) { - if (word === "_") { - this.raise(FlowErrors.UnexpectedReservedUnderscore, this.state.startLoc); - } - } - checkReservedType(word, startLoc, declaration) { - if (!reservedTypes.has(word)) return; - this.raise(declaration ? FlowErrors.AssignReservedType : FlowErrors.UnexpectedReservedType, startLoc, { - reservedType: word - }); - } - flowParseRestrictedIdentifier(liberal, declaration) { - this.checkReservedType(this.state.value, this.state.startLoc, declaration); - return this.parseIdentifier(liberal); - } - flowParseTypeAlias(node) { - node.id = this.flowParseRestrictedIdentifier(false, true); - this.scope.declareName(node.id.name, 8201, node.id.loc.start); - if (this.match(47)) { - node.typeParameters = this.flowParseTypeParameterDeclaration(); - } else { - node.typeParameters = null; - } - node.right = this.flowParseTypeInitialiser(29); - this.semicolon(); - return this.finishNode(node, "TypeAlias"); - } - flowParseOpaqueType(node, declare) { - this.expectContextual(130); - node.id = this.flowParseRestrictedIdentifier(true, true); - this.scope.declareName(node.id.name, 8201, node.id.loc.start); - if (this.match(47)) { - node.typeParameters = this.flowParseTypeParameterDeclaration(); - } else { - node.typeParameters = null; - } - node.supertype = null; - if (this.match(14)) { - node.supertype = this.flowParseTypeInitialiser(14); - } - node.impltype = null; - if (!declare) { - node.impltype = this.flowParseTypeInitialiser(29); - } - this.semicolon(); - return this.finishNode(node, "OpaqueType"); - } - flowParseTypeParameter(requireDefault = false) { - const nodeStartLoc = this.state.startLoc; - const node = this.startNode(); - const variance = this.flowParseVariance(); - const ident = this.flowParseTypeAnnotatableIdentifier(); - node.name = ident.name; - node.variance = variance; - node.bound = ident.typeAnnotation; - if (this.match(29)) { - this.eat(29); - node.default = this.flowParseType(); - } else { - if (requireDefault) { - this.raise(FlowErrors.MissingTypeParamDefault, nodeStartLoc); - } - } - return this.finishNode(node, "TypeParameter"); - } - flowParseTypeParameterDeclaration() { - const oldInType = this.state.inType; - const node = this.startNode(); - node.params = []; - this.state.inType = true; - if (this.match(47) || this.match(143)) { - this.next(); - } else { - this.unexpected(); - } - let defaultRequired = false; - do { - const typeParameter = this.flowParseTypeParameter(defaultRequired); - node.params.push(typeParameter); - if (typeParameter.default) { - defaultRequired = true; - } - if (!this.match(48)) { - this.expect(12); - } - } while (!this.match(48)); - this.expect(48); - this.state.inType = oldInType; - return this.finishNode(node, "TypeParameterDeclaration"); - } - flowInTopLevelContext(cb) { - if (this.curContext() !== types.brace) { - const oldContext = this.state.context; - this.state.context = [oldContext[0]]; - try { - return cb(); - } finally { - this.state.context = oldContext; - } - } else { - return cb(); - } - } - flowParseTypeParameterInstantiationInExpression() { - if (this.reScan_lt() !== 47) return; - return this.flowParseTypeParameterInstantiation(); - } - flowParseTypeParameterInstantiation() { - const node = this.startNode(); - const oldInType = this.state.inType; - this.state.inType = true; - node.params = []; - this.flowInTopLevelContext(() => { - this.expect(47); - const oldNoAnonFunctionType = this.state.noAnonFunctionType; - this.state.noAnonFunctionType = false; - while (!this.match(48)) { - node.params.push(this.flowParseType()); - if (!this.match(48)) { - this.expect(12); - } - } - this.state.noAnonFunctionType = oldNoAnonFunctionType; - }); - this.state.inType = oldInType; - if (!this.state.inType && this.curContext() === types.brace) { - this.reScan_lt_gt(); - } - this.expect(48); - return this.finishNode(node, "TypeParameterInstantiation"); - } - flowParseTypeParameterInstantiationCallOrNew() { - if (this.reScan_lt() !== 47) return null; - const node = this.startNode(); - const oldInType = this.state.inType; - node.params = []; - this.state.inType = true; - this.expect(47); - while (!this.match(48)) { - node.params.push(this.flowParseTypeOrImplicitInstantiation()); - if (!this.match(48)) { - this.expect(12); - } - } - this.expect(48); - this.state.inType = oldInType; - return this.finishNode(node, "TypeParameterInstantiation"); - } - flowParseInterfaceType() { - const node = this.startNode(); - this.expectContextual(129); - node.extends = []; - if (this.eat(81)) { - do { - node.extends.push(this.flowParseInterfaceExtends()); - } while (this.eat(12)); - } - node.body = this.flowParseObjectType({ - allowStatic: false, - allowExact: false, - allowSpread: false, - allowProto: false, - allowInexact: false - }); - return this.finishNode(node, "InterfaceTypeAnnotation"); - } - flowParseObjectPropertyKey() { - return this.match(135) || this.match(134) ? super.parseExprAtom() : this.parseIdentifier(true); - } - flowParseObjectTypeIndexer(node, isStatic, variance) { - node.static = isStatic; - if (this.lookahead().type === 14) { - node.id = this.flowParseObjectPropertyKey(); - node.key = this.flowParseTypeInitialiser(); - } else { - node.id = null; - node.key = this.flowParseType(); - } - this.expect(3); - node.value = this.flowParseTypeInitialiser(); - node.variance = variance; - return this.finishNode(node, "ObjectTypeIndexer"); - } - flowParseObjectTypeInternalSlot(node, isStatic) { - node.static = isStatic; - node.id = this.flowParseObjectPropertyKey(); - this.expect(3); - this.expect(3); - if (this.match(47) || this.match(10)) { - node.method = true; - node.optional = false; - node.value = this.flowParseObjectTypeMethodish(this.startNodeAt(node.loc.start)); - } else { - node.method = false; - if (this.eat(17)) { - node.optional = true; - } - node.value = this.flowParseTypeInitialiser(); - } - return this.finishNode(node, "ObjectTypeInternalSlot"); - } - flowParseObjectTypeMethodish(node) { - node.params = []; - node.rest = null; - node.typeParameters = null; - node.this = null; - if (this.match(47)) { - node.typeParameters = this.flowParseTypeParameterDeclaration(); - } - this.expect(10); - if (this.match(78)) { - node.this = this.flowParseFunctionTypeParam(true); - node.this.name = null; - if (!this.match(11)) { - this.expect(12); - } - } - while (!this.match(11) && !this.match(21)) { - node.params.push(this.flowParseFunctionTypeParam(false)); - if (!this.match(11)) { - this.expect(12); - } - } - if (this.eat(21)) { - node.rest = this.flowParseFunctionTypeParam(false); - } - this.expect(11); - node.returnType = this.flowParseTypeInitialiser(); - return this.finishNode(node, "FunctionTypeAnnotation"); - } - flowParseObjectTypeCallProperty(node, isStatic) { - const valueNode = this.startNode(); - node.static = isStatic; - node.value = this.flowParseObjectTypeMethodish(valueNode); - return this.finishNode(node, "ObjectTypeCallProperty"); - } - flowParseObjectType({ - allowStatic, - allowExact, - allowSpread, - allowProto, - allowInexact - }) { - const oldInType = this.state.inType; - this.state.inType = true; - const nodeStart = this.startNode(); - nodeStart.callProperties = []; - nodeStart.properties = []; - nodeStart.indexers = []; - nodeStart.internalSlots = []; - let endDelim; - let exact; - let inexact = false; - if (allowExact && this.match(6)) { - this.expect(6); - endDelim = 9; - exact = true; - } else { - this.expect(5); - endDelim = 8; - exact = false; - } - nodeStart.exact = exact; - while (!this.match(endDelim)) { - let isStatic = false; - let protoStartLoc = null; - let inexactStartLoc = null; - const node = this.startNode(); - if (allowProto && this.isContextual(118)) { - const lookahead = this.lookahead(); - if (lookahead.type !== 14 && lookahead.type !== 17) { - this.next(); - protoStartLoc = this.state.startLoc; - allowStatic = false; - } - } - if (allowStatic && this.isContextual(106)) { - const lookahead = this.lookahead(); - if (lookahead.type !== 14 && lookahead.type !== 17) { - this.next(); - isStatic = true; - } - } - const variance = this.flowParseVariance(); - if (this.eat(0)) { - if (protoStartLoc != null) { - this.unexpected(protoStartLoc); - } - if (this.eat(0)) { - if (variance) { - this.unexpected(variance.loc.start); - } - nodeStart.internalSlots.push(this.flowParseObjectTypeInternalSlot(node, isStatic)); - } else { - nodeStart.indexers.push(this.flowParseObjectTypeIndexer(node, isStatic, variance)); - } - } else if (this.match(10) || this.match(47)) { - if (protoStartLoc != null) { - this.unexpected(protoStartLoc); - } - if (variance) { - this.unexpected(variance.loc.start); - } - nodeStart.callProperties.push(this.flowParseObjectTypeCallProperty(node, isStatic)); - } else { - let kind = "init"; - if (this.isContextual(99) || this.isContextual(104)) { - const lookahead = this.lookahead(); - if (tokenIsLiteralPropertyName(lookahead.type)) { - kind = this.state.value; - this.next(); - } - } - const propOrInexact = this.flowParseObjectTypeProperty(node, isStatic, protoStartLoc, variance, kind, allowSpread, allowInexact != null ? allowInexact : !exact); - if (propOrInexact === null) { - inexact = true; - inexactStartLoc = this.state.lastTokStartLoc; - } else { - nodeStart.properties.push(propOrInexact); - } - } - this.flowObjectTypeSemicolon(); - if (inexactStartLoc && !this.match(8) && !this.match(9)) { - this.raise(FlowErrors.UnexpectedExplicitInexactInObject, inexactStartLoc); - } - } - this.expect(endDelim); - if (allowSpread) { - nodeStart.inexact = inexact; - } - const out = this.finishNode(nodeStart, "ObjectTypeAnnotation"); - this.state.inType = oldInType; - return out; - } - flowParseObjectTypeProperty(node, isStatic, protoStartLoc, variance, kind, allowSpread, allowInexact) { - if (this.eat(21)) { - const isInexactToken = this.match(12) || this.match(13) || this.match(8) || this.match(9); - if (isInexactToken) { - if (!allowSpread) { - this.raise(FlowErrors.InexactInsideNonObject, this.state.lastTokStartLoc); - } else if (!allowInexact) { - this.raise(FlowErrors.InexactInsideExact, this.state.lastTokStartLoc); - } - if (variance) { - this.raise(FlowErrors.InexactVariance, variance); - } - return null; - } - if (!allowSpread) { - this.raise(FlowErrors.UnexpectedSpreadType, this.state.lastTokStartLoc); - } - if (protoStartLoc != null) { - this.unexpected(protoStartLoc); - } - if (variance) { - this.raise(FlowErrors.SpreadVariance, variance); - } - node.argument = this.flowParseType(); - return this.finishNode(node, "ObjectTypeSpreadProperty"); - } else { - node.key = this.flowParseObjectPropertyKey(); - node.static = isStatic; - node.proto = protoStartLoc != null; - node.kind = kind; - let optional = false; - if (this.match(47) || this.match(10)) { - node.method = true; - if (protoStartLoc != null) { - this.unexpected(protoStartLoc); - } - if (variance) { - this.unexpected(variance.loc.start); - } - node.value = this.flowParseObjectTypeMethodish(this.startNodeAt(node.loc.start)); - if (kind === "get" || kind === "set") { - this.flowCheckGetterSetterParams(node); - } - if (!allowSpread && node.key.name === "constructor" && node.value.this) { - this.raise(FlowErrors.ThisParamBannedInConstructor, node.value.this); - } - } else { - if (kind !== "init") this.unexpected(); - node.method = false; - if (this.eat(17)) { - optional = true; - } - node.value = this.flowParseTypeInitialiser(); - node.variance = variance; - } - node.optional = optional; - return this.finishNode(node, "ObjectTypeProperty"); - } - } - flowCheckGetterSetterParams(property) { - const paramCount = property.kind === "get" ? 0 : 1; - const length = property.value.params.length + (property.value.rest ? 1 : 0); - if (property.value.this) { - this.raise(property.kind === "get" ? FlowErrors.GetterMayNotHaveThisParam : FlowErrors.SetterMayNotHaveThisParam, property.value.this); - } - if (length !== paramCount) { - this.raise(property.kind === "get" ? Errors.BadGetterArity : Errors.BadSetterArity, property); - } - if (property.kind === "set" && property.value.rest) { - this.raise(Errors.BadSetterRestParameter, property); - } - } - flowObjectTypeSemicolon() { - if (!this.eat(13) && !this.eat(12) && !this.match(8) && !this.match(9)) { - this.unexpected(); - } - } - flowParseQualifiedTypeIdentifier(startLoc, id) { - startLoc != null ? startLoc : startLoc = this.state.startLoc; - let node = id || this.flowParseRestrictedIdentifier(true); - while (this.eat(16)) { - const node2 = this.startNodeAt(startLoc); - node2.qualification = node; - node2.id = this.flowParseRestrictedIdentifier(true); - node = this.finishNode(node2, "QualifiedTypeIdentifier"); - } - return node; - } - flowParseGenericType(startLoc, id) { - const node = this.startNodeAt(startLoc); - node.typeParameters = null; - node.id = this.flowParseQualifiedTypeIdentifier(startLoc, id); - if (this.match(47)) { - node.typeParameters = this.flowParseTypeParameterInstantiation(); - } - return this.finishNode(node, "GenericTypeAnnotation"); - } - flowParseTypeofType() { - const node = this.startNode(); - this.expect(87); - node.argument = this.flowParsePrimaryType(); - return this.finishNode(node, "TypeofTypeAnnotation"); - } - flowParseTupleType() { - const node = this.startNode(); - node.types = []; - this.expect(0); - while (this.state.pos < this.length && !this.match(3)) { - node.types.push(this.flowParseType()); - if (this.match(3)) break; - this.expect(12); - } - this.expect(3); - return this.finishNode(node, "TupleTypeAnnotation"); - } - flowParseFunctionTypeParam(first) { - let name = null; - let optional = false; - let typeAnnotation = null; - const node = this.startNode(); - const lh = this.lookahead(); - const isThis = this.state.type === 78; - if (lh.type === 14 || lh.type === 17) { - if (isThis && !first) { - this.raise(FlowErrors.ThisParamMustBeFirst, node); - } - name = this.parseIdentifier(isThis); - if (this.eat(17)) { - optional = true; - if (isThis) { - this.raise(FlowErrors.ThisParamMayNotBeOptional, node); - } - } - typeAnnotation = this.flowParseTypeInitialiser(); - } else { - typeAnnotation = this.flowParseType(); - } - node.name = name; - node.optional = optional; - node.typeAnnotation = typeAnnotation; - return this.finishNode(node, "FunctionTypeParam"); - } - reinterpretTypeAsFunctionTypeParam(type) { - const node = this.startNodeAt(type.loc.start); - node.name = null; - node.optional = false; - node.typeAnnotation = type; - return this.finishNode(node, "FunctionTypeParam"); - } - flowParseFunctionTypeParams(params = []) { - let rest = null; - let _this = null; - if (this.match(78)) { - _this = this.flowParseFunctionTypeParam(true); - _this.name = null; - if (!this.match(11)) { - this.expect(12); - } - } - while (!this.match(11) && !this.match(21)) { - params.push(this.flowParseFunctionTypeParam(false)); - if (!this.match(11)) { - this.expect(12); - } - } - if (this.eat(21)) { - rest = this.flowParseFunctionTypeParam(false); - } - return { - params, - rest, - _this - }; - } - flowIdentToTypeAnnotation(startLoc, node, id) { - switch (id.name) { - case "any": - return this.finishNode(node, "AnyTypeAnnotation"); - case "bool": - case "boolean": - return this.finishNode(node, "BooleanTypeAnnotation"); - case "mixed": - return this.finishNode(node, "MixedTypeAnnotation"); - case "empty": - return this.finishNode(node, "EmptyTypeAnnotation"); - case "number": - return this.finishNode(node, "NumberTypeAnnotation"); - case "string": - return this.finishNode(node, "StringTypeAnnotation"); - case "symbol": - return this.finishNode(node, "SymbolTypeAnnotation"); - default: - this.checkNotUnderscore(id.name); - return this.flowParseGenericType(startLoc, id); - } - } - flowParsePrimaryType() { - const startLoc = this.state.startLoc; - const node = this.startNode(); - let tmp; - let type; - let isGroupedType = false; - const oldNoAnonFunctionType = this.state.noAnonFunctionType; - switch (this.state.type) { - case 5: - return this.flowParseObjectType({ - allowStatic: false, - allowExact: false, - allowSpread: true, - allowProto: false, - allowInexact: true - }); - case 6: - return this.flowParseObjectType({ - allowStatic: false, - allowExact: true, - allowSpread: true, - allowProto: false, - allowInexact: false - }); - case 0: - this.state.noAnonFunctionType = false; - type = this.flowParseTupleType(); - this.state.noAnonFunctionType = oldNoAnonFunctionType; - return type; - case 47: - { - const node = this.startNode(); - node.typeParameters = this.flowParseTypeParameterDeclaration(); - this.expect(10); - tmp = this.flowParseFunctionTypeParams(); - node.params = tmp.params; - node.rest = tmp.rest; - node.this = tmp._this; - this.expect(11); - this.expect(19); - node.returnType = this.flowParseType(); - return this.finishNode(node, "FunctionTypeAnnotation"); - } - case 10: - { - const node = this.startNode(); - this.next(); - if (!this.match(11) && !this.match(21)) { - if (tokenIsIdentifier(this.state.type) || this.match(78)) { - const token = this.lookahead().type; - isGroupedType = token !== 17 && token !== 14; - } else { - isGroupedType = true; - } - } - if (isGroupedType) { - this.state.noAnonFunctionType = false; - type = this.flowParseType(); - this.state.noAnonFunctionType = oldNoAnonFunctionType; - if (this.state.noAnonFunctionType || !(this.match(12) || this.match(11) && this.lookahead().type === 19)) { - this.expect(11); - return type; - } else { - this.eat(12); - } - } - if (type) { - tmp = this.flowParseFunctionTypeParams([this.reinterpretTypeAsFunctionTypeParam(type)]); - } else { - tmp = this.flowParseFunctionTypeParams(); - } - node.params = tmp.params; - node.rest = tmp.rest; - node.this = tmp._this; - this.expect(11); - this.expect(19); - node.returnType = this.flowParseType(); - node.typeParameters = null; - return this.finishNode(node, "FunctionTypeAnnotation"); - } - case 134: - return this.parseLiteral(this.state.value, "StringLiteralTypeAnnotation"); - case 85: - case 86: - node.value = this.match(85); - this.next(); - return this.finishNode(node, "BooleanLiteralTypeAnnotation"); - case 53: - if (this.state.value === "-") { - this.next(); - if (this.match(135)) { - return this.parseLiteralAtNode(-this.state.value, "NumberLiteralTypeAnnotation", node); - } - if (this.match(136)) { - return this.parseLiteralAtNode(-this.state.value, "BigIntLiteralTypeAnnotation", node); - } - throw this.raise(FlowErrors.UnexpectedSubtractionOperand, this.state.startLoc); - } - throw this.unexpected(); - case 135: - return this.parseLiteral(this.state.value, "NumberLiteralTypeAnnotation"); - case 136: - return this.parseLiteral(this.state.value, "BigIntLiteralTypeAnnotation"); - case 88: - this.next(); - return this.finishNode(node, "VoidTypeAnnotation"); - case 84: - this.next(); - return this.finishNode(node, "NullLiteralTypeAnnotation"); - case 78: - this.next(); - return this.finishNode(node, "ThisTypeAnnotation"); - case 55: - this.next(); - return this.finishNode(node, "ExistsTypeAnnotation"); - case 87: - return this.flowParseTypeofType(); - default: - if (tokenIsKeyword(this.state.type)) { - const label = tokenLabelName(this.state.type); - this.next(); - return super.createIdentifier(node, label); - } else if (tokenIsIdentifier(this.state.type)) { - if (this.isContextual(129)) { - return this.flowParseInterfaceType(); - } - return this.flowIdentToTypeAnnotation(startLoc, node, this.parseIdentifier()); - } - } - throw this.unexpected(); - } - flowParsePostfixType() { - const startLoc = this.state.startLoc; - let type = this.flowParsePrimaryType(); - let seenOptionalIndexedAccess = false; - while ((this.match(0) || this.match(18)) && !this.canInsertSemicolon()) { - const node = this.startNodeAt(startLoc); - const optional = this.eat(18); - seenOptionalIndexedAccess = seenOptionalIndexedAccess || optional; - this.expect(0); - if (!optional && this.match(3)) { - node.elementType = type; - this.next(); - type = this.finishNode(node, "ArrayTypeAnnotation"); - } else { - node.objectType = type; - node.indexType = this.flowParseType(); - this.expect(3); - if (seenOptionalIndexedAccess) { - node.optional = optional; - type = this.finishNode(node, "OptionalIndexedAccessType"); - } else { - type = this.finishNode(node, "IndexedAccessType"); - } - } - } - return type; - } - flowParsePrefixType() { - const node = this.startNode(); - if (this.eat(17)) { - node.typeAnnotation = this.flowParsePrefixType(); - return this.finishNode(node, "NullableTypeAnnotation"); - } else { - return this.flowParsePostfixType(); - } - } - flowParseAnonFunctionWithoutParens() { - const param = this.flowParsePrefixType(); - if (!this.state.noAnonFunctionType && this.eat(19)) { - const node = this.startNodeAt(param.loc.start); - node.params = [this.reinterpretTypeAsFunctionTypeParam(param)]; - node.rest = null; - node.this = null; - node.returnType = this.flowParseType(); - node.typeParameters = null; - return this.finishNode(node, "FunctionTypeAnnotation"); - } - return param; - } - flowParseIntersectionType() { - const node = this.startNode(); - this.eat(45); - const type = this.flowParseAnonFunctionWithoutParens(); - node.types = [type]; - while (this.eat(45)) { - node.types.push(this.flowParseAnonFunctionWithoutParens()); - } - return node.types.length === 1 ? type : this.finishNode(node, "IntersectionTypeAnnotation"); - } - flowParseUnionType() { - const node = this.startNode(); - this.eat(43); - const type = this.flowParseIntersectionType(); - node.types = [type]; - while (this.eat(43)) { - node.types.push(this.flowParseIntersectionType()); - } - return node.types.length === 1 ? type : this.finishNode(node, "UnionTypeAnnotation"); - } - flowParseType() { - const oldInType = this.state.inType; - this.state.inType = true; - const type = this.flowParseUnionType(); - this.state.inType = oldInType; - return type; - } - flowParseTypeOrImplicitInstantiation() { - if (this.state.type === 132 && this.state.value === "_") { - const startLoc = this.state.startLoc; - const node = this.parseIdentifier(); - return this.flowParseGenericType(startLoc, node); - } else { - return this.flowParseType(); - } - } - flowParseTypeAnnotation() { - const node = this.startNode(); - node.typeAnnotation = this.flowParseTypeInitialiser(); - return this.finishNode(node, "TypeAnnotation"); - } - flowParseTypeAnnotatableIdentifier(allowPrimitiveOverride) { - const ident = allowPrimitiveOverride ? this.parseIdentifier() : this.flowParseRestrictedIdentifier(); - if (this.match(14)) { - ident.typeAnnotation = this.flowParseTypeAnnotation(); - this.resetEndLocation(ident); - } - return ident; - } - typeCastToParameter(node) { - node.expression.typeAnnotation = node.typeAnnotation; - this.resetEndLocation(node.expression, node.typeAnnotation.loc.end); - return node.expression; - } - flowParseVariance() { - let variance = null; - if (this.match(53)) { - variance = this.startNode(); - if (this.state.value === "+") { - variance.kind = "plus"; - } else { - variance.kind = "minus"; - } - this.next(); - return this.finishNode(variance, "Variance"); - } - return variance; - } - parseFunctionBody(node, allowExpressionBody, isMethod = false) { - if (allowExpressionBody) { - this.forwardNoArrowParamsConversionAt(node, () => super.parseFunctionBody(node, true, isMethod)); - return; - } - super.parseFunctionBody(node, false, isMethod); - } - parseFunctionBodyAndFinish(node, type, isMethod = false) { - if (this.match(14)) { - const typeNode = this.startNode(); - [typeNode.typeAnnotation, node.predicate] = this.flowParseTypeAndPredicateInitialiser(); - node.returnType = typeNode.typeAnnotation ? this.finishNode(typeNode, "TypeAnnotation") : null; - } - return super.parseFunctionBodyAndFinish(node, type, isMethod); - } - parseStatementLike(flags) { - if (this.state.strict && this.isContextual(129)) { - const lookahead = this.lookahead(); - if (tokenIsKeywordOrIdentifier(lookahead.type)) { - const node = this.startNode(); - this.next(); - return this.flowParseInterface(node); - } - } else if (this.isContextual(126)) { - const node = this.startNode(); - this.next(); - return this.flowParseEnumDeclaration(node); - } - const stmt = super.parseStatementLike(flags); - if (this.flowPragma === undefined && !this.isValidDirective(stmt)) { - this.flowPragma = null; - } - return stmt; - } - parseExpressionStatement(node, expr, decorators) { - if (expr.type === "Identifier") { - if (expr.name === "declare") { - if (this.match(80) || tokenIsIdentifier(this.state.type) || this.match(68) || this.match(74) || this.match(82)) { - return this.flowParseDeclare(node); - } - } else if (tokenIsIdentifier(this.state.type)) { - if (expr.name === "interface") { - return this.flowParseInterface(node); - } else if (expr.name === "type") { - return this.flowParseTypeAlias(node); - } else if (expr.name === "opaque") { - return this.flowParseOpaqueType(node, false); - } - } - } - return super.parseExpressionStatement(node, expr, decorators); - } - shouldParseExportDeclaration() { - const { - type - } = this.state; - if (type === 126 || tokenIsFlowInterfaceOrTypeOrOpaque(type)) { - return !this.state.containsEsc; - } - return super.shouldParseExportDeclaration(); - } - isExportDefaultSpecifier() { - const { - type - } = this.state; - if (type === 126 || tokenIsFlowInterfaceOrTypeOrOpaque(type)) { - return this.state.containsEsc; - } - return super.isExportDefaultSpecifier(); - } - parseExportDefaultExpression() { - if (this.isContextual(126)) { - const node = this.startNode(); - this.next(); - return this.flowParseEnumDeclaration(node); - } - return super.parseExportDefaultExpression(); - } - parseConditional(expr, startLoc, refExpressionErrors) { - if (!this.match(17)) return expr; - if (this.state.maybeInArrowParameters) { - const nextCh = this.lookaheadCharCode(); - if (nextCh === 44 || nextCh === 61 || nextCh === 58 || nextCh === 41) { - this.setOptionalParametersError(refExpressionErrors); - return expr; - } - } - this.expect(17); - const state = this.state.clone(); - const originalNoArrowAt = this.state.noArrowAt; - const node = this.startNodeAt(startLoc); - let { - consequent, - failed - } = this.tryParseConditionalConsequent(); - let [valid, invalid] = this.getArrowLikeExpressions(consequent); - if (failed || invalid.length > 0) { - const noArrowAt = [...originalNoArrowAt]; - if (invalid.length > 0) { - this.state = state; - this.state.noArrowAt = noArrowAt; - for (let i = 0; i < invalid.length; i++) { - noArrowAt.push(invalid[i].start); - } - ({ - consequent, - failed - } = this.tryParseConditionalConsequent()); - [valid, invalid] = this.getArrowLikeExpressions(consequent); - } - if (failed && valid.length > 1) { - this.raise(FlowErrors.AmbiguousConditionalArrow, state.startLoc); - } - if (failed && valid.length === 1) { - this.state = state; - noArrowAt.push(valid[0].start); - this.state.noArrowAt = noArrowAt; - ({ - consequent, - failed - } = this.tryParseConditionalConsequent()); - } - } - this.getArrowLikeExpressions(consequent, true); - this.state.noArrowAt = originalNoArrowAt; - this.expect(14); - node.test = expr; - node.consequent = consequent; - node.alternate = this.forwardNoArrowParamsConversionAt(node, () => this.parseMaybeAssign(undefined, undefined)); - return this.finishNode(node, "ConditionalExpression"); - } - tryParseConditionalConsequent() { - this.state.noArrowParamsConversionAt.push(this.state.start); - const consequent = this.parseMaybeAssignAllowIn(); - const failed = !this.match(14); - this.state.noArrowParamsConversionAt.pop(); - return { - consequent, - failed - }; - } - getArrowLikeExpressions(node, disallowInvalid) { - const stack = [node]; - const arrows = []; - while (stack.length !== 0) { - const node = stack.pop(); - if (node.type === "ArrowFunctionExpression" && node.body.type !== "BlockStatement") { - if (node.typeParameters || !node.returnType) { - this.finishArrowValidation(node); - } else { - arrows.push(node); - } - stack.push(node.body); - } else if (node.type === "ConditionalExpression") { - stack.push(node.consequent); - stack.push(node.alternate); - } - } - if (disallowInvalid) { - arrows.forEach(node => this.finishArrowValidation(node)); - return [arrows, []]; - } - return partition(arrows, node => node.params.every(param => this.isAssignable(param, true))); - } - finishArrowValidation(node) { - var _node$extra; - this.toAssignableList(node.params, (_node$extra = node.extra) == null ? void 0 : _node$extra.trailingCommaLoc, false); - this.scope.enter(514 | 4); - super.checkParams(node, false, true); - this.scope.exit(); - } - forwardNoArrowParamsConversionAt(node, parse) { - let result; - if (this.state.noArrowParamsConversionAt.includes(this.offsetToSourcePos(node.start))) { - this.state.noArrowParamsConversionAt.push(this.state.start); - result = parse(); - this.state.noArrowParamsConversionAt.pop(); - } else { - result = parse(); - } - return result; - } - parseParenItem(node, startLoc) { - const newNode = super.parseParenItem(node, startLoc); - if (this.eat(17)) { - newNode.optional = true; - this.resetEndLocation(node); - } - if (this.match(14)) { - const typeCastNode = this.startNodeAt(startLoc); - typeCastNode.expression = newNode; - typeCastNode.typeAnnotation = this.flowParseTypeAnnotation(); - return this.finishNode(typeCastNode, "TypeCastExpression"); - } - return newNode; - } - assertModuleNodeAllowed(node) { - if (node.type === "ImportDeclaration" && (node.importKind === "type" || node.importKind === "typeof") || node.type === "ExportNamedDeclaration" && node.exportKind === "type" || node.type === "ExportAllDeclaration" && node.exportKind === "type") { - return; - } - super.assertModuleNodeAllowed(node); - } - parseExportDeclaration(node) { - if (this.isContextual(130)) { - node.exportKind = "type"; - const declarationNode = this.startNode(); - this.next(); - if (this.match(5)) { - node.specifiers = this.parseExportSpecifiers(true); - super.parseExportFrom(node); - return null; - } else { - return this.flowParseTypeAlias(declarationNode); - } - } else if (this.isContextual(131)) { - node.exportKind = "type"; - const declarationNode = this.startNode(); - this.next(); - return this.flowParseOpaqueType(declarationNode, false); - } else if (this.isContextual(129)) { - node.exportKind = "type"; - const declarationNode = this.startNode(); - this.next(); - return this.flowParseInterface(declarationNode); - } else if (this.isContextual(126)) { - node.exportKind = "value"; - const declarationNode = this.startNode(); - this.next(); - return this.flowParseEnumDeclaration(declarationNode); - } else { - return super.parseExportDeclaration(node); - } - } - eatExportStar(node) { - if (super.eatExportStar(node)) return true; - if (this.isContextual(130) && this.lookahead().type === 55) { - node.exportKind = "type"; - this.next(); - this.next(); - return true; - } - return false; - } - maybeParseExportNamespaceSpecifier(node) { - const { - startLoc - } = this.state; - const hasNamespace = super.maybeParseExportNamespaceSpecifier(node); - if (hasNamespace && node.exportKind === "type") { - this.unexpected(startLoc); - } - return hasNamespace; - } - parseClassId(node, isStatement, optionalId) { - super.parseClassId(node, isStatement, optionalId); - if (this.match(47)) { - node.typeParameters = this.flowParseTypeParameterDeclaration(); - } - } - parseClassMember(classBody, member, state) { - const { - startLoc - } = this.state; - if (this.isContextual(125)) { - if (super.parseClassMemberFromModifier(classBody, member)) { - return; - } - member.declare = true; - } - super.parseClassMember(classBody, member, state); - if (member.declare) { - if (member.type !== "ClassProperty" && member.type !== "ClassPrivateProperty" && member.type !== "PropertyDefinition") { - this.raise(FlowErrors.DeclareClassElement, startLoc); - } else if (member.value) { - this.raise(FlowErrors.DeclareClassFieldInitializer, member.value); - } - } - } - isIterator(word) { - return word === "iterator" || word === "asyncIterator"; - } - readIterator() { - const word = super.readWord1(); - const fullWord = "@@" + word; - if (!this.isIterator(word) || !this.state.inType) { - this.raise(Errors.InvalidIdentifier, this.state.curPosition(), { - identifierName: fullWord - }); - } - this.finishToken(132, fullWord); - } - getTokenFromCode(code) { - const next = this.input.charCodeAt(this.state.pos + 1); - if (code === 123 && next === 124) { - this.finishOp(6, 2); - } else if (this.state.inType && (code === 62 || code === 60)) { - this.finishOp(code === 62 ? 48 : 47, 1); - } else if (this.state.inType && code === 63) { - if (next === 46) { - this.finishOp(18, 2); - } else { - this.finishOp(17, 1); - } - } else if (isIteratorStart(code, next, this.input.charCodeAt(this.state.pos + 2))) { - this.state.pos += 2; - this.readIterator(); - } else { - super.getTokenFromCode(code); - } - } - isAssignable(node, isBinding) { - if (node.type === "TypeCastExpression") { - return this.isAssignable(node.expression, isBinding); - } else { - return super.isAssignable(node, isBinding); - } - } - toAssignable(node, isLHS = false) { - if (!isLHS && node.type === "AssignmentExpression" && node.left.type === "TypeCastExpression") { - node.left = this.typeCastToParameter(node.left); - } - super.toAssignable(node, isLHS); - } - toAssignableList(exprList, trailingCommaLoc, isLHS) { - for (let i = 0; i < exprList.length; i++) { - const expr = exprList[i]; - if ((expr == null ? void 0 : expr.type) === "TypeCastExpression") { - exprList[i] = this.typeCastToParameter(expr); - } - } - super.toAssignableList(exprList, trailingCommaLoc, isLHS); - } - toReferencedList(exprList, isParenthesizedExpr) { - for (let i = 0; i < exprList.length; i++) { - var _expr$extra; - const expr = exprList[i]; - if (expr && expr.type === "TypeCastExpression" && !((_expr$extra = expr.extra) != null && _expr$extra.parenthesized) && (exprList.length > 1 || !isParenthesizedExpr)) { - this.raise(FlowErrors.TypeCastInPattern, expr.typeAnnotation); - } - } - return exprList; - } - parseArrayLike(close, isTuple, refExpressionErrors) { - const node = super.parseArrayLike(close, isTuple, refExpressionErrors); - if (refExpressionErrors != null && !this.state.maybeInArrowParameters) { - this.toReferencedList(node.elements); - } - return node; - } - isValidLVal(type, disallowCallExpression, isParenthesized, binding) { - return type === "TypeCastExpression" || super.isValidLVal(type, disallowCallExpression, isParenthesized, binding); - } - parseClassProperty(node) { - if (this.match(14)) { - node.typeAnnotation = this.flowParseTypeAnnotation(); - } - return super.parseClassProperty(node); - } - parseClassPrivateProperty(node) { - if (this.match(14)) { - node.typeAnnotation = this.flowParseTypeAnnotation(); - } - return super.parseClassPrivateProperty(node); - } - isClassMethod() { - return this.match(47) || super.isClassMethod(); - } - isClassProperty() { - return this.match(14) || super.isClassProperty(); - } - isNonstaticConstructor(method) { - return !this.match(14) && super.isNonstaticConstructor(method); - } - pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) { - if (method.variance) { - this.unexpected(method.variance.loc.start); - } - delete method.variance; - if (this.match(47)) { - method.typeParameters = this.flowParseTypeParameterDeclaration(); - } - super.pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper); - if (method.params && isConstructor) { - const params = method.params; - if (params.length > 0 && this.isThisParam(params[0])) { - this.raise(FlowErrors.ThisParamBannedInConstructor, method); - } - } else if (method.type === "MethodDefinition" && isConstructor && method.value.params) { - const params = method.value.params; - if (params.length > 0 && this.isThisParam(params[0])) { - this.raise(FlowErrors.ThisParamBannedInConstructor, method); - } - } - } - pushClassPrivateMethod(classBody, method, isGenerator, isAsync) { - if (method.variance) { - this.unexpected(method.variance.loc.start); - } - delete method.variance; - if (this.match(47)) { - method.typeParameters = this.flowParseTypeParameterDeclaration(); - } - super.pushClassPrivateMethod(classBody, method, isGenerator, isAsync); - } - parseClassSuper(node) { - super.parseClassSuper(node); - if (node.superClass && (this.match(47) || this.match(51))) { - node.superTypeParameters = this.flowParseTypeParameterInstantiationInExpression(); - } - if (this.isContextual(113)) { - this.next(); - const implemented = node.implements = []; - do { - const node = this.startNode(); - node.id = this.flowParseRestrictedIdentifier(true); - if (this.match(47)) { - node.typeParameters = this.flowParseTypeParameterInstantiation(); - } else { - node.typeParameters = null; - } - implemented.push(this.finishNode(node, "ClassImplements")); - } while (this.eat(12)); - } - } - checkGetterSetterParams(method) { - super.checkGetterSetterParams(method); - const params = this.getObjectOrClassMethodParams(method); - if (params.length > 0) { - const param = params[0]; - if (this.isThisParam(param) && method.kind === "get") { - this.raise(FlowErrors.GetterMayNotHaveThisParam, param); - } else if (this.isThisParam(param)) { - this.raise(FlowErrors.SetterMayNotHaveThisParam, param); - } - } - } - parsePropertyNamePrefixOperator(node) { - node.variance = this.flowParseVariance(); - } - parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors) { - if (prop.variance) { - this.unexpected(prop.variance.loc.start); - } - delete prop.variance; - let typeParameters; - if (this.match(47) && !isAccessor) { - typeParameters = this.flowParseTypeParameterDeclaration(); - if (!this.match(10)) this.unexpected(); - } - const result = super.parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors); - if (typeParameters) { - (result.value || result).typeParameters = typeParameters; - } - return result; - } - parseFunctionParamType(param) { - if (this.eat(17)) { - if (param.type !== "Identifier") { - this.raise(FlowErrors.PatternIsOptional, param); - } - if (this.isThisParam(param)) { - this.raise(FlowErrors.ThisParamMayNotBeOptional, param); - } - param.optional = true; - } - if (this.match(14)) { - param.typeAnnotation = this.flowParseTypeAnnotation(); - } else if (this.isThisParam(param)) { - this.raise(FlowErrors.ThisParamAnnotationRequired, param); - } - if (this.match(29) && this.isThisParam(param)) { - this.raise(FlowErrors.ThisParamNoDefault, param); - } - this.resetEndLocation(param); - return param; - } - parseMaybeDefault(startLoc, left) { - const node = super.parseMaybeDefault(startLoc, left); - if (node.type === "AssignmentPattern" && node.typeAnnotation && node.right.start < node.typeAnnotation.start) { - this.raise(FlowErrors.TypeBeforeInitializer, node.typeAnnotation); - } - return node; - } - checkImportReflection(node) { - super.checkImportReflection(node); - if (node.module && node.importKind !== "value") { - this.raise(FlowErrors.ImportReflectionHasImportType, node.specifiers[0].loc.start); - } - } - parseImportSpecifierLocal(node, specifier, type) { - specifier.local = hasTypeImportKind(node) ? this.flowParseRestrictedIdentifier(true, true) : this.parseIdentifier(); - node.specifiers.push(this.finishImportSpecifier(specifier, type)); - } - isPotentialImportPhase(isExport) { - if (super.isPotentialImportPhase(isExport)) return true; - if (this.isContextual(130)) { - if (!isExport) return true; - const ch = this.lookaheadCharCode(); - return ch === 123 || ch === 42; - } - return !isExport && this.isContextual(87); - } - applyImportPhase(node, isExport, phase, loc) { - super.applyImportPhase(node, isExport, phase, loc); - if (isExport) { - if (!phase && this.match(65)) { - return; - } - node.exportKind = phase === "type" ? phase : "value"; - } else { - if (phase === "type" && this.match(55)) this.unexpected(); - node.importKind = phase === "type" || phase === "typeof" ? phase : "value"; - } - } - parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly, bindingType) { - const firstIdent = specifier.imported; - let specifierTypeKind = null; - if (firstIdent.type === "Identifier") { - if (firstIdent.name === "type") { - specifierTypeKind = "type"; - } else if (firstIdent.name === "typeof") { - specifierTypeKind = "typeof"; - } - } - let isBinding = false; - if (this.isContextual(93) && !this.isLookaheadContextual("as")) { - const as_ident = this.parseIdentifier(true); - if (specifierTypeKind !== null && !tokenIsKeywordOrIdentifier(this.state.type)) { - specifier.imported = as_ident; - specifier.importKind = specifierTypeKind; - specifier.local = this.cloneIdentifier(as_ident); - } else { - specifier.imported = firstIdent; - specifier.importKind = null; - specifier.local = this.parseIdentifier(); - } - } else { - if (specifierTypeKind !== null && tokenIsKeywordOrIdentifier(this.state.type)) { - specifier.imported = this.parseIdentifier(true); - specifier.importKind = specifierTypeKind; - } else { - if (importedIsString) { - throw this.raise(Errors.ImportBindingIsString, specifier, { - importName: firstIdent.value - }); - } - specifier.imported = firstIdent; - specifier.importKind = null; - } - if (this.eatContextual(93)) { - specifier.local = this.parseIdentifier(); - } else { - isBinding = true; - specifier.local = this.cloneIdentifier(specifier.imported); - } - } - const specifierIsTypeImport = hasTypeImportKind(specifier); - if (isInTypeOnlyImport && specifierIsTypeImport) { - this.raise(FlowErrors.ImportTypeShorthandOnlyInPureImport, specifier); - } - if (isInTypeOnlyImport || specifierIsTypeImport) { - this.checkReservedType(specifier.local.name, specifier.local.loc.start, true); - } - if (isBinding && !isInTypeOnlyImport && !specifierIsTypeImport) { - this.checkReservedWord(specifier.local.name, specifier.loc.start, true, true); - } - return this.finishImportSpecifier(specifier, "ImportSpecifier"); - } - parseBindingAtom() { - switch (this.state.type) { - case 78: - return this.parseIdentifier(true); - default: - return super.parseBindingAtom(); - } - } - parseFunctionParams(node, isConstructor) { - const kind = node.kind; - if (kind !== "get" && kind !== "set" && this.match(47)) { - node.typeParameters = this.flowParseTypeParameterDeclaration(); - } - super.parseFunctionParams(node, isConstructor); - } - parseVarId(decl, kind) { - super.parseVarId(decl, kind); - if (this.match(14)) { - decl.id.typeAnnotation = this.flowParseTypeAnnotation(); - this.resetEndLocation(decl.id); - } - } - parseAsyncArrowFromCallExpression(node, call) { - if (this.match(14)) { - const oldNoAnonFunctionType = this.state.noAnonFunctionType; - this.state.noAnonFunctionType = true; - node.returnType = this.flowParseTypeAnnotation(); - this.state.noAnonFunctionType = oldNoAnonFunctionType; - } - return super.parseAsyncArrowFromCallExpression(node, call); - } - shouldParseAsyncArrow() { - return this.match(14) || super.shouldParseAsyncArrow(); - } - parseMaybeAssign(refExpressionErrors, afterLeftParse) { - var _jsx; - let state = null; - let jsx; - if (this.hasPlugin("jsx") && (this.match(143) || this.match(47))) { - state = this.state.clone(); - jsx = this.tryParse(() => super.parseMaybeAssign(refExpressionErrors, afterLeftParse), state); - if (!jsx.error) return jsx.node; - const { - context - } = this.state; - const currentContext = context[context.length - 1]; - if (currentContext === types.j_oTag || currentContext === types.j_expr) { - context.pop(); - } - } - if ((_jsx = jsx) != null && _jsx.error || this.match(47)) { - var _jsx2, _jsx3; - state = state || this.state.clone(); - let typeParameters; - const arrow = this.tryParse(abort => { - var _arrowExpression$extr; - typeParameters = this.flowParseTypeParameterDeclaration(); - const arrowExpression = this.forwardNoArrowParamsConversionAt(typeParameters, () => { - const result = super.parseMaybeAssign(refExpressionErrors, afterLeftParse); - this.resetStartLocationFromNode(result, typeParameters); - return result; - }); - if ((_arrowExpression$extr = arrowExpression.extra) != null && _arrowExpression$extr.parenthesized) abort(); - const expr = this.maybeUnwrapTypeCastExpression(arrowExpression); - if (expr.type !== "ArrowFunctionExpression") abort(); - expr.typeParameters = typeParameters; - this.resetStartLocationFromNode(expr, typeParameters); - return arrowExpression; - }, state); - let arrowExpression = null; - if (arrow.node && this.maybeUnwrapTypeCastExpression(arrow.node).type === "ArrowFunctionExpression") { - if (!arrow.error && !arrow.aborted) { - if (arrow.node.async) { - this.raise(FlowErrors.UnexpectedTypeParameterBeforeAsyncArrowFunction, typeParameters); - } - return arrow.node; - } - arrowExpression = arrow.node; - } - if ((_jsx2 = jsx) != null && _jsx2.node) { - this.state = jsx.failState; - return jsx.node; - } - if (arrowExpression) { - this.state = arrow.failState; - return arrowExpression; - } - if ((_jsx3 = jsx) != null && _jsx3.thrown) throw jsx.error; - if (arrow.thrown) throw arrow.error; - throw this.raise(FlowErrors.UnexpectedTokenAfterTypeParameter, typeParameters); - } - return super.parseMaybeAssign(refExpressionErrors, afterLeftParse); - } - parseArrow(node) { - if (this.match(14)) { - const result = this.tryParse(() => { - const oldNoAnonFunctionType = this.state.noAnonFunctionType; - this.state.noAnonFunctionType = true; - const typeNode = this.startNode(); - [typeNode.typeAnnotation, node.predicate] = this.flowParseTypeAndPredicateInitialiser(); - this.state.noAnonFunctionType = oldNoAnonFunctionType; - if (this.canInsertSemicolon()) this.unexpected(); - if (!this.match(19)) this.unexpected(); - return typeNode; - }); - if (result.thrown) return null; - if (result.error) this.state = result.failState; - node.returnType = result.node.typeAnnotation ? this.finishNode(result.node, "TypeAnnotation") : null; - } - return super.parseArrow(node); - } - shouldParseArrow(params) { - return this.match(14) || super.shouldParseArrow(params); - } - setArrowFunctionParameters(node, params) { - if (this.state.noArrowParamsConversionAt.includes(this.offsetToSourcePos(node.start))) { - node.params = params; - } else { - super.setArrowFunctionParameters(node, params); - } - } - checkParams(node, allowDuplicates, isArrowFunction, strictModeChanged = true) { - if (isArrowFunction && this.state.noArrowParamsConversionAt.includes(this.offsetToSourcePos(node.start))) { - return; - } - for (let i = 0; i < node.params.length; i++) { - if (this.isThisParam(node.params[i]) && i > 0) { - this.raise(FlowErrors.ThisParamMustBeFirst, node.params[i]); - } - } - super.checkParams(node, allowDuplicates, isArrowFunction, strictModeChanged); - } - parseParenAndDistinguishExpression(canBeArrow) { - return super.parseParenAndDistinguishExpression(canBeArrow && !this.state.noArrowAt.includes(this.sourceToOffsetPos(this.state.start))); - } - parseSubscripts(base, startLoc, noCalls) { - if (base.type === "Identifier" && base.name === "async" && this.state.noArrowAt.includes(startLoc.index)) { - this.next(); - const node = this.startNodeAt(startLoc); - node.callee = base; - node.arguments = super.parseCallExpressionArguments(); - base = this.finishNode(node, "CallExpression"); - } else if (base.type === "Identifier" && base.name === "async" && this.match(47)) { - const state = this.state.clone(); - const arrow = this.tryParse(abort => this.parseAsyncArrowWithTypeParameters(startLoc) || abort(), state); - if (!arrow.error && !arrow.aborted) return arrow.node; - const result = this.tryParse(() => super.parseSubscripts(base, startLoc, noCalls), state); - if (result.node && !result.error) return result.node; - if (arrow.node) { - this.state = arrow.failState; - return arrow.node; - } - if (result.node) { - this.state = result.failState; - return result.node; - } - throw arrow.error || result.error; - } - return super.parseSubscripts(base, startLoc, noCalls); - } - parseSubscript(base, startLoc, noCalls, subscriptState) { - if (this.match(18) && this.isLookaheadToken_lt()) { - subscriptState.optionalChainMember = true; - if (noCalls) { - subscriptState.stop = true; - return base; - } - this.next(); - const node = this.startNodeAt(startLoc); - node.callee = base; - node.typeArguments = this.flowParseTypeParameterInstantiationInExpression(); - this.expect(10); - node.arguments = this.parseCallExpressionArguments(); - node.optional = true; - return this.finishCallExpression(node, true); - } else if (!noCalls && this.shouldParseTypes() && (this.match(47) || this.match(51))) { - const node = this.startNodeAt(startLoc); - node.callee = base; - const result = this.tryParse(() => { - node.typeArguments = this.flowParseTypeParameterInstantiationCallOrNew(); - this.expect(10); - node.arguments = super.parseCallExpressionArguments(); - if (subscriptState.optionalChainMember) { - node.optional = false; - } - return this.finishCallExpression(node, subscriptState.optionalChainMember); - }); - if (result.node) { - if (result.error) this.state = result.failState; - return result.node; - } - } - return super.parseSubscript(base, startLoc, noCalls, subscriptState); - } - parseNewCallee(node) { - super.parseNewCallee(node); - let targs = null; - if (this.shouldParseTypes() && this.match(47)) { - targs = this.tryParse(() => this.flowParseTypeParameterInstantiationCallOrNew()).node; - } - node.typeArguments = targs; - } - parseAsyncArrowWithTypeParameters(startLoc) { - const node = this.startNodeAt(startLoc); - this.parseFunctionParams(node, false); - if (!this.parseArrow(node)) return; - return super.parseArrowExpression(node, undefined, true); - } - readToken_mult_modulo(code) { - const next = this.input.charCodeAt(this.state.pos + 1); - if (code === 42 && next === 47 && this.state.hasFlowComment) { - this.state.hasFlowComment = false; - this.state.pos += 2; - this.nextToken(); - return; - } - super.readToken_mult_modulo(code); - } - readToken_pipe_amp(code) { - const next = this.input.charCodeAt(this.state.pos + 1); - if (code === 124 && next === 125) { - this.finishOp(9, 2); - return; - } - super.readToken_pipe_amp(code); - } - parseTopLevel(file, program) { - const fileNode = super.parseTopLevel(file, program); - if (this.state.hasFlowComment) { - this.raise(FlowErrors.UnterminatedFlowComment, this.state.curPosition()); - } - return fileNode; - } - skipBlockComment() { - if (this.hasPlugin("flowComments") && this.skipFlowComment()) { - if (this.state.hasFlowComment) { - throw this.raise(FlowErrors.NestedFlowComment, this.state.startLoc); - } - this.hasFlowCommentCompletion(); - const commentSkip = this.skipFlowComment(); - if (commentSkip) { - this.state.pos += commentSkip; - this.state.hasFlowComment = true; - } - return; - } - return super.skipBlockComment(this.state.hasFlowComment ? "*-/" : "*/"); - } - skipFlowComment() { - const { - pos - } = this.state; - let shiftToFirstNonWhiteSpace = 2; - while ([32, 9].includes(this.input.charCodeAt(pos + shiftToFirstNonWhiteSpace))) { - shiftToFirstNonWhiteSpace++; - } - const ch2 = this.input.charCodeAt(shiftToFirstNonWhiteSpace + pos); - const ch3 = this.input.charCodeAt(shiftToFirstNonWhiteSpace + pos + 1); - if (ch2 === 58 && ch3 === 58) { - return shiftToFirstNonWhiteSpace + 2; - } - if (this.input.slice(shiftToFirstNonWhiteSpace + pos, shiftToFirstNonWhiteSpace + pos + 12) === "flow-include") { - return shiftToFirstNonWhiteSpace + 12; - } - if (ch2 === 58 && ch3 !== 58) { - return shiftToFirstNonWhiteSpace; - } - return false; - } - hasFlowCommentCompletion() { - const end = this.input.indexOf("*/", this.state.pos); - if (end === -1) { - throw this.raise(Errors.UnterminatedComment, this.state.curPosition()); - } - } - flowEnumErrorBooleanMemberNotInitialized(loc, { - enumName, - memberName - }) { - this.raise(FlowErrors.EnumBooleanMemberNotInitialized, loc, { - memberName, - enumName - }); - } - flowEnumErrorInvalidMemberInitializer(loc, enumContext) { - return this.raise(!enumContext.explicitType ? FlowErrors.EnumInvalidMemberInitializerUnknownType : enumContext.explicitType === "symbol" ? FlowErrors.EnumInvalidMemberInitializerSymbolType : FlowErrors.EnumInvalidMemberInitializerPrimaryType, loc, enumContext); - } - flowEnumErrorNumberMemberNotInitialized(loc, details) { - this.raise(FlowErrors.EnumNumberMemberNotInitialized, loc, details); - } - flowEnumErrorStringMemberInconsistentlyInitialized(node, details) { - this.raise(FlowErrors.EnumStringMemberInconsistentlyInitialized, node, details); - } - flowEnumMemberInit() { - const startLoc = this.state.startLoc; - const endOfInit = () => this.match(12) || this.match(8); - switch (this.state.type) { - case 135: - { - const literal = this.parseNumericLiteral(this.state.value); - if (endOfInit()) { - return { - type: "number", - loc: literal.loc.start, - value: literal - }; - } - return { - type: "invalid", - loc: startLoc - }; - } - case 134: - { - const literal = this.parseStringLiteral(this.state.value); - if (endOfInit()) { - return { - type: "string", - loc: literal.loc.start, - value: literal - }; - } - return { - type: "invalid", - loc: startLoc - }; - } - case 85: - case 86: - { - const literal = this.parseBooleanLiteral(this.match(85)); - if (endOfInit()) { - return { - type: "boolean", - loc: literal.loc.start, - value: literal - }; - } - return { - type: "invalid", - loc: startLoc - }; - } - default: - return { - type: "invalid", - loc: startLoc - }; - } - } - flowEnumMemberRaw() { - const loc = this.state.startLoc; - const id = this.parseIdentifier(true); - const init = this.eat(29) ? this.flowEnumMemberInit() : { - type: "none", - loc - }; - return { - id, - init - }; - } - flowEnumCheckExplicitTypeMismatch(loc, context, expectedType) { - const { - explicitType - } = context; - if (explicitType === null) { - return; - } - if (explicitType !== expectedType) { - this.flowEnumErrorInvalidMemberInitializer(loc, context); - } - } - flowEnumMembers({ - enumName, - explicitType - }) { - const seenNames = new Set(); - const members = { - booleanMembers: [], - numberMembers: [], - stringMembers: [], - defaultedMembers: [] - }; - let hasUnknownMembers = false; - while (!this.match(8)) { - if (this.eat(21)) { - hasUnknownMembers = true; - break; - } - const memberNode = this.startNode(); - const { - id, - init - } = this.flowEnumMemberRaw(); - const memberName = id.name; - if (memberName === "") { - continue; - } - if (/^[a-z]/.test(memberName)) { - this.raise(FlowErrors.EnumInvalidMemberName, id, { - memberName, - suggestion: memberName[0].toUpperCase() + memberName.slice(1), - enumName - }); - } - if (seenNames.has(memberName)) { - this.raise(FlowErrors.EnumDuplicateMemberName, id, { - memberName, - enumName - }); - } - seenNames.add(memberName); - const context = { - enumName, - explicitType, - memberName - }; - memberNode.id = id; - switch (init.type) { - case "boolean": - { - this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "boolean"); - memberNode.init = init.value; - members.booleanMembers.push(this.finishNode(memberNode, "EnumBooleanMember")); - break; - } - case "number": - { - this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "number"); - memberNode.init = init.value; - members.numberMembers.push(this.finishNode(memberNode, "EnumNumberMember")); - break; - } - case "string": - { - this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "string"); - memberNode.init = init.value; - members.stringMembers.push(this.finishNode(memberNode, "EnumStringMember")); - break; - } - case "invalid": - { - throw this.flowEnumErrorInvalidMemberInitializer(init.loc, context); - } - case "none": - { - switch (explicitType) { - case "boolean": - this.flowEnumErrorBooleanMemberNotInitialized(init.loc, context); - break; - case "number": - this.flowEnumErrorNumberMemberNotInitialized(init.loc, context); - break; - default: - members.defaultedMembers.push(this.finishNode(memberNode, "EnumDefaultedMember")); - } - } - } - if (!this.match(8)) { - this.expect(12); - } - } - return { - members, - hasUnknownMembers - }; - } - flowEnumStringMembers(initializedMembers, defaultedMembers, { - enumName - }) { - if (initializedMembers.length === 0) { - return defaultedMembers; - } else if (defaultedMembers.length === 0) { - return initializedMembers; - } else if (defaultedMembers.length > initializedMembers.length) { - for (const member of initializedMembers) { - this.flowEnumErrorStringMemberInconsistentlyInitialized(member, { - enumName - }); - } - return defaultedMembers; - } else { - for (const member of defaultedMembers) { - this.flowEnumErrorStringMemberInconsistentlyInitialized(member, { - enumName - }); - } - return initializedMembers; - } - } - flowEnumParseExplicitType({ - enumName - }) { - if (!this.eatContextual(102)) return null; - if (!tokenIsIdentifier(this.state.type)) { - throw this.raise(FlowErrors.EnumInvalidExplicitTypeUnknownSupplied, this.state.startLoc, { - enumName - }); - } - const { - value - } = this.state; - this.next(); - if (value !== "boolean" && value !== "number" && value !== "string" && value !== "symbol") { - this.raise(FlowErrors.EnumInvalidExplicitType, this.state.startLoc, { - enumName, - invalidEnumType: value - }); - } - return value; - } - flowEnumBody(node, id) { - const enumName = id.name; - const nameLoc = id.loc.start; - const explicitType = this.flowEnumParseExplicitType({ - enumName - }); - this.expect(5); - const { - members, - hasUnknownMembers - } = this.flowEnumMembers({ - enumName, - explicitType - }); - node.hasUnknownMembers = hasUnknownMembers; - switch (explicitType) { - case "boolean": - node.explicitType = true; - node.members = members.booleanMembers; - this.expect(8); - return this.finishNode(node, "EnumBooleanBody"); - case "number": - node.explicitType = true; - node.members = members.numberMembers; - this.expect(8); - return this.finishNode(node, "EnumNumberBody"); - case "string": - node.explicitType = true; - node.members = this.flowEnumStringMembers(members.stringMembers, members.defaultedMembers, { - enumName - }); - this.expect(8); - return this.finishNode(node, "EnumStringBody"); - case "symbol": - node.members = members.defaultedMembers; - this.expect(8); - return this.finishNode(node, "EnumSymbolBody"); - default: - { - const empty = () => { - node.members = []; - this.expect(8); - return this.finishNode(node, "EnumStringBody"); - }; - node.explicitType = false; - const boolsLen = members.booleanMembers.length; - const numsLen = members.numberMembers.length; - const strsLen = members.stringMembers.length; - const defaultedLen = members.defaultedMembers.length; - if (!boolsLen && !numsLen && !strsLen && !defaultedLen) { - return empty(); - } else if (!boolsLen && !numsLen) { - node.members = this.flowEnumStringMembers(members.stringMembers, members.defaultedMembers, { - enumName - }); - this.expect(8); - return this.finishNode(node, "EnumStringBody"); - } else if (!numsLen && !strsLen && boolsLen >= defaultedLen) { - for (const member of members.defaultedMembers) { - this.flowEnumErrorBooleanMemberNotInitialized(member.loc.start, { - enumName, - memberName: member.id.name - }); - } - node.members = members.booleanMembers; - this.expect(8); - return this.finishNode(node, "EnumBooleanBody"); - } else if (!boolsLen && !strsLen && numsLen >= defaultedLen) { - for (const member of members.defaultedMembers) { - this.flowEnumErrorNumberMemberNotInitialized(member.loc.start, { - enumName, - memberName: member.id.name - }); - } - node.members = members.numberMembers; - this.expect(8); - return this.finishNode(node, "EnumNumberBody"); - } else { - this.raise(FlowErrors.EnumInconsistentMemberValues, nameLoc, { - enumName - }); - return empty(); - } - } - } - } - flowParseEnumDeclaration(node) { - const id = this.parseIdentifier(); - node.id = id; - node.body = this.flowEnumBody(this.startNode(), id); - return this.finishNode(node, "EnumDeclaration"); - } - jsxParseOpeningElementAfterName(node) { - if (this.shouldParseTypes()) { - if (this.match(47) || this.match(51)) { - node.typeArguments = this.flowParseTypeParameterInstantiationInExpression(); - } - } - return super.jsxParseOpeningElementAfterName(node); - } - isLookaheadToken_lt() { - const next = this.nextTokenStart(); - if (this.input.charCodeAt(next) === 60) { - const afterNext = this.input.charCodeAt(next + 1); - return afterNext !== 60 && afterNext !== 61; - } - return false; - } - reScan_lt_gt() { - const { - type - } = this.state; - if (type === 47) { - this.state.pos -= 1; - this.readToken_lt(); - } else if (type === 48) { - this.state.pos -= 1; - this.readToken_gt(); - } - } - reScan_lt() { - const { - type - } = this.state; - if (type === 51) { - this.state.pos -= 2; - this.finishOp(47, 1); - return 47; - } - return type; - } - maybeUnwrapTypeCastExpression(node) { - return node.type === "TypeCastExpression" ? node.expression : node; - } -}; -const entities = { - __proto__: null, - quot: "\u0022", - amp: "&", - apos: "\u0027", - lt: "<", - gt: ">", - nbsp: "\u00A0", - iexcl: "\u00A1", - cent: "\u00A2", - pound: "\u00A3", - curren: "\u00A4", - yen: "\u00A5", - brvbar: "\u00A6", - sect: "\u00A7", - uml: "\u00A8", - copy: "\u00A9", - ordf: "\u00AA", - laquo: "\u00AB", - not: "\u00AC", - shy: "\u00AD", - reg: "\u00AE", - macr: "\u00AF", - deg: "\u00B0", - plusmn: "\u00B1", - sup2: "\u00B2", - sup3: "\u00B3", - acute: "\u00B4", - micro: "\u00B5", - para: "\u00B6", - middot: "\u00B7", - cedil: "\u00B8", - sup1: "\u00B9", - ordm: "\u00BA", - raquo: "\u00BB", - frac14: "\u00BC", - frac12: "\u00BD", - frac34: "\u00BE", - iquest: "\u00BF", - Agrave: "\u00C0", - Aacute: "\u00C1", - Acirc: "\u00C2", - Atilde: "\u00C3", - Auml: "\u00C4", - Aring: "\u00C5", - AElig: "\u00C6", - Ccedil: "\u00C7", - Egrave: "\u00C8", - Eacute: "\u00C9", - Ecirc: "\u00CA", - Euml: "\u00CB", - Igrave: "\u00CC", - Iacute: "\u00CD", - Icirc: "\u00CE", - Iuml: "\u00CF", - ETH: "\u00D0", - Ntilde: "\u00D1", - Ograve: "\u00D2", - Oacute: "\u00D3", - Ocirc: "\u00D4", - Otilde: "\u00D5", - Ouml: "\u00D6", - times: "\u00D7", - Oslash: "\u00D8", - Ugrave: "\u00D9", - Uacute: "\u00DA", - Ucirc: "\u00DB", - Uuml: "\u00DC", - Yacute: "\u00DD", - THORN: "\u00DE", - szlig: "\u00DF", - agrave: "\u00E0", - aacute: "\u00E1", - acirc: "\u00E2", - atilde: "\u00E3", - auml: "\u00E4", - aring: "\u00E5", - aelig: "\u00E6", - ccedil: "\u00E7", - egrave: "\u00E8", - eacute: "\u00E9", - ecirc: "\u00EA", - euml: "\u00EB", - igrave: "\u00EC", - iacute: "\u00ED", - icirc: "\u00EE", - iuml: "\u00EF", - eth: "\u00F0", - ntilde: "\u00F1", - ograve: "\u00F2", - oacute: "\u00F3", - ocirc: "\u00F4", - otilde: "\u00F5", - ouml: "\u00F6", - divide: "\u00F7", - oslash: "\u00F8", - ugrave: "\u00F9", - uacute: "\u00FA", - ucirc: "\u00FB", - uuml: "\u00FC", - yacute: "\u00FD", - thorn: "\u00FE", - yuml: "\u00FF", - OElig: "\u0152", - oelig: "\u0153", - Scaron: "\u0160", - scaron: "\u0161", - Yuml: "\u0178", - fnof: "\u0192", - circ: "\u02C6", - tilde: "\u02DC", - Alpha: "\u0391", - Beta: "\u0392", - Gamma: "\u0393", - Delta: "\u0394", - Epsilon: "\u0395", - Zeta: "\u0396", - Eta: "\u0397", - Theta: "\u0398", - Iota: "\u0399", - Kappa: "\u039A", - Lambda: "\u039B", - Mu: "\u039C", - Nu: "\u039D", - Xi: "\u039E", - Omicron: "\u039F", - Pi: "\u03A0", - Rho: "\u03A1", - Sigma: "\u03A3", - Tau: "\u03A4", - Upsilon: "\u03A5", - Phi: "\u03A6", - Chi: "\u03A7", - Psi: "\u03A8", - Omega: "\u03A9", - alpha: "\u03B1", - beta: "\u03B2", - gamma: "\u03B3", - delta: "\u03B4", - epsilon: "\u03B5", - zeta: "\u03B6", - eta: "\u03B7", - theta: "\u03B8", - iota: "\u03B9", - kappa: "\u03BA", - lambda: "\u03BB", - mu: "\u03BC", - nu: "\u03BD", - xi: "\u03BE", - omicron: "\u03BF", - pi: "\u03C0", - rho: "\u03C1", - sigmaf: "\u03C2", - sigma: "\u03C3", - tau: "\u03C4", - upsilon: "\u03C5", - phi: "\u03C6", - chi: "\u03C7", - psi: "\u03C8", - omega: "\u03C9", - thetasym: "\u03D1", - upsih: "\u03D2", - piv: "\u03D6", - ensp: "\u2002", - emsp: "\u2003", - thinsp: "\u2009", - zwnj: "\u200C", - zwj: "\u200D", - lrm: "\u200E", - rlm: "\u200F", - ndash: "\u2013", - mdash: "\u2014", - lsquo: "\u2018", - rsquo: "\u2019", - sbquo: "\u201A", - ldquo: "\u201C", - rdquo: "\u201D", - bdquo: "\u201E", - dagger: "\u2020", - Dagger: "\u2021", - bull: "\u2022", - hellip: "\u2026", - permil: "\u2030", - prime: "\u2032", - Prime: "\u2033", - lsaquo: "\u2039", - rsaquo: "\u203A", - oline: "\u203E", - frasl: "\u2044", - euro: "\u20AC", - image: "\u2111", - weierp: "\u2118", - real: "\u211C", - trade: "\u2122", - alefsym: "\u2135", - larr: "\u2190", - uarr: "\u2191", - rarr: "\u2192", - darr: "\u2193", - harr: "\u2194", - crarr: "\u21B5", - lArr: "\u21D0", - uArr: "\u21D1", - rArr: "\u21D2", - dArr: "\u21D3", - hArr: "\u21D4", - forall: "\u2200", - part: "\u2202", - exist: "\u2203", - empty: "\u2205", - nabla: "\u2207", - isin: "\u2208", - notin: "\u2209", - ni: "\u220B", - prod: "\u220F", - sum: "\u2211", - minus: "\u2212", - lowast: "\u2217", - radic: "\u221A", - prop: "\u221D", - infin: "\u221E", - ang: "\u2220", - and: "\u2227", - or: "\u2228", - cap: "\u2229", - cup: "\u222A", - int: "\u222B", - there4: "\u2234", - sim: "\u223C", - cong: "\u2245", - asymp: "\u2248", - ne: "\u2260", - equiv: "\u2261", - le: "\u2264", - ge: "\u2265", - sub: "\u2282", - sup: "\u2283", - nsub: "\u2284", - sube: "\u2286", - supe: "\u2287", - oplus: "\u2295", - otimes: "\u2297", - perp: "\u22A5", - sdot: "\u22C5", - lceil: "\u2308", - rceil: "\u2309", - lfloor: "\u230A", - rfloor: "\u230B", - lang: "\u2329", - rang: "\u232A", - loz: "\u25CA", - spades: "\u2660", - clubs: "\u2663", - hearts: "\u2665", - diams: "\u2666" -}; -const lineBreak = /\r\n|[\r\n\u2028\u2029]/; -const lineBreakG = new RegExp(lineBreak.source, "g"); -function isNewLine(code) { - switch (code) { - case 10: - case 13: - case 8232: - case 8233: - return true; - default: - return false; - } -} -function hasNewLine(input, start, end) { - for (let i = start; i < end; i++) { - if (isNewLine(input.charCodeAt(i))) { - return true; - } - } - return false; -} -const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; -const skipWhiteSpaceInLine = /(?:[^\S\n\r\u2028\u2029]|\/\/.*|\/\*.*?\*\/)*/g; -function isWhitespace(code) { - switch (code) { - case 0x0009: - case 0x000b: - case 0x000c: - case 32: - case 160: - case 5760: - case 0x2000: - case 0x2001: - case 0x2002: - case 0x2003: - case 0x2004: - case 0x2005: - case 0x2006: - case 0x2007: - case 0x2008: - case 0x2009: - case 0x200a: - case 0x202f: - case 0x205f: - case 0x3000: - case 0xfeff: - return true; - default: - return false; - } -} -const JsxErrors = ParseErrorEnum`jsx`({ - AttributeIsEmpty: "JSX attributes must only be assigned a non-empty expression.", - MissingClosingTagElement: ({ - openingTagName - }) => `Expected corresponding JSX closing tag for <${openingTagName}>.`, - MissingClosingTagFragment: "Expected corresponding JSX closing tag for <>.", - UnexpectedSequenceExpression: "Sequence expressions cannot be directly nested inside JSX. Did you mean to wrap it in parentheses (...)?", - UnexpectedToken: ({ - unexpected, - HTMLEntity - }) => `Unexpected token \`${unexpected}\`. Did you mean \`${HTMLEntity}\` or \`{'${unexpected}'}\`?`, - UnsupportedJsxValue: "JSX value should be either an expression or a quoted JSX text.", - UnterminatedJsxContent: "Unterminated JSX contents.", - UnwrappedAdjacentJSXElements: "Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>?" -}); -function isFragment(object) { - return object ? object.type === "JSXOpeningFragment" || object.type === "JSXClosingFragment" : false; -} -function getQualifiedJSXName(object) { - if (object.type === "JSXIdentifier") { - return object.name; - } - if (object.type === "JSXNamespacedName") { - return object.namespace.name + ":" + object.name.name; - } - if (object.type === "JSXMemberExpression") { - return getQualifiedJSXName(object.object) + "." + getQualifiedJSXName(object.property); - } - throw new Error("Node had unexpected type: " + object.type); -} -var jsx = superClass => class JSXParserMixin extends superClass { - jsxReadToken() { - let out = ""; - let chunkStart = this.state.pos; - for (;;) { - if (this.state.pos >= this.length) { - throw this.raise(JsxErrors.UnterminatedJsxContent, this.state.startLoc); - } - const ch = this.input.charCodeAt(this.state.pos); - switch (ch) { - case 60: - case 123: - if (this.state.pos === this.state.start) { - if (ch === 60 && this.state.canStartJSXElement) { - ++this.state.pos; - this.finishToken(143); - } else { - super.getTokenFromCode(ch); - } - return; - } - out += this.input.slice(chunkStart, this.state.pos); - this.finishToken(142, out); - return; - case 38: - out += this.input.slice(chunkStart, this.state.pos); - out += this.jsxReadEntity(); - chunkStart = this.state.pos; - break; - case 62: - case 125: - default: - if (isNewLine(ch)) { - out += this.input.slice(chunkStart, this.state.pos); - out += this.jsxReadNewLine(true); - chunkStart = this.state.pos; - } else { - ++this.state.pos; - } - } - } - } - jsxReadNewLine(normalizeCRLF) { - const ch = this.input.charCodeAt(this.state.pos); - let out; - ++this.state.pos; - if (ch === 13 && this.input.charCodeAt(this.state.pos) === 10) { - ++this.state.pos; - out = normalizeCRLF ? "\n" : "\r\n"; - } else { - out = String.fromCharCode(ch); - } - ++this.state.curLine; - this.state.lineStart = this.state.pos; - return out; - } - jsxReadString(quote) { - let out = ""; - let chunkStart = ++this.state.pos; - for (;;) { - if (this.state.pos >= this.length) { - throw this.raise(Errors.UnterminatedString, this.state.startLoc); - } - const ch = this.input.charCodeAt(this.state.pos); - if (ch === quote) break; - if (ch === 38) { - out += this.input.slice(chunkStart, this.state.pos); - out += this.jsxReadEntity(); - chunkStart = this.state.pos; - } else if (isNewLine(ch)) { - out += this.input.slice(chunkStart, this.state.pos); - out += this.jsxReadNewLine(false); - chunkStart = this.state.pos; - } else { - ++this.state.pos; - } - } - out += this.input.slice(chunkStart, this.state.pos++); - this.finishToken(134, out); - } - jsxReadEntity() { - const startPos = ++this.state.pos; - if (this.codePointAtPos(this.state.pos) === 35) { - ++this.state.pos; - let radix = 10; - if (this.codePointAtPos(this.state.pos) === 120) { - radix = 16; - ++this.state.pos; - } - const codePoint = this.readInt(radix, undefined, false, "bail"); - if (codePoint !== null && this.codePointAtPos(this.state.pos) === 59) { - ++this.state.pos; - return String.fromCodePoint(codePoint); - } - } else { - let count = 0; - let semi = false; - while (count++ < 10 && this.state.pos < this.length && !(semi = this.codePointAtPos(this.state.pos) === 59)) { - ++this.state.pos; - } - if (semi) { - const desc = this.input.slice(startPos, this.state.pos); - const entity = entities[desc]; - ++this.state.pos; - if (entity) { - return entity; - } - } - } - this.state.pos = startPos; - return "&"; - } - jsxReadWord() { - let ch; - const start = this.state.pos; - do { - ch = this.input.charCodeAt(++this.state.pos); - } while (isIdentifierChar(ch) || ch === 45); - this.finishToken(141, this.input.slice(start, this.state.pos)); - } - jsxParseIdentifier() { - const node = this.startNode(); - if (this.match(141)) { - node.name = this.state.value; - } else if (tokenIsKeyword(this.state.type)) { - node.name = tokenLabelName(this.state.type); - } else { - this.unexpected(); - } - this.next(); - return this.finishNode(node, "JSXIdentifier"); - } - jsxParseNamespacedName() { - const startLoc = this.state.startLoc; - const name = this.jsxParseIdentifier(); - if (!this.eat(14)) return name; - const node = this.startNodeAt(startLoc); - node.namespace = name; - node.name = this.jsxParseIdentifier(); - return this.finishNode(node, "JSXNamespacedName"); - } - jsxParseElementName() { - const startLoc = this.state.startLoc; - let node = this.jsxParseNamespacedName(); - if (node.type === "JSXNamespacedName") { - return node; - } - while (this.eat(16)) { - const newNode = this.startNodeAt(startLoc); - newNode.object = node; - newNode.property = this.jsxParseIdentifier(); - node = this.finishNode(newNode, "JSXMemberExpression"); - } - return node; - } - jsxParseAttributeValue() { - let node; - switch (this.state.type) { - case 5: - node = this.startNode(); - this.setContext(types.brace); - this.next(); - node = this.jsxParseExpressionContainer(node, types.j_oTag); - if (node.expression.type === "JSXEmptyExpression") { - this.raise(JsxErrors.AttributeIsEmpty, node); - } - return node; - case 143: - case 134: - return this.parseExprAtom(); - default: - throw this.raise(JsxErrors.UnsupportedJsxValue, this.state.startLoc); - } - } - jsxParseEmptyExpression() { - const node = this.startNodeAt(this.state.lastTokEndLoc); - return this.finishNodeAt(node, "JSXEmptyExpression", this.state.startLoc); - } - jsxParseSpreadChild(node) { - this.next(); - node.expression = this.parseExpression(); - this.setContext(types.j_expr); - this.state.canStartJSXElement = true; - this.expect(8); - return this.finishNode(node, "JSXSpreadChild"); - } - jsxParseExpressionContainer(node, previousContext) { - if (this.match(8)) { - node.expression = this.jsxParseEmptyExpression(); - } else { - const expression = this.parseExpression(); - node.expression = expression; - } - this.setContext(previousContext); - this.state.canStartJSXElement = true; - this.expect(8); - return this.finishNode(node, "JSXExpressionContainer"); - } - jsxParseAttribute() { - const node = this.startNode(); - if (this.match(5)) { - this.setContext(types.brace); - this.next(); - this.expect(21); - node.argument = this.parseMaybeAssignAllowIn(); - this.setContext(types.j_oTag); - this.state.canStartJSXElement = true; - this.expect(8); - return this.finishNode(node, "JSXSpreadAttribute"); - } - node.name = this.jsxParseNamespacedName(); - node.value = this.eat(29) ? this.jsxParseAttributeValue() : null; - return this.finishNode(node, "JSXAttribute"); - } - jsxParseOpeningElementAt(startLoc) { - const node = this.startNodeAt(startLoc); - if (this.eat(144)) { - return this.finishNode(node, "JSXOpeningFragment"); - } - node.name = this.jsxParseElementName(); - return this.jsxParseOpeningElementAfterName(node); - } - jsxParseOpeningElementAfterName(node) { - const attributes = []; - while (!this.match(56) && !this.match(144)) { - attributes.push(this.jsxParseAttribute()); - } - node.attributes = attributes; - node.selfClosing = this.eat(56); - this.expect(144); - return this.finishNode(node, "JSXOpeningElement"); - } - jsxParseClosingElementAt(startLoc) { - const node = this.startNodeAt(startLoc); - if (this.eat(144)) { - return this.finishNode(node, "JSXClosingFragment"); - } - node.name = this.jsxParseElementName(); - this.expect(144); - return this.finishNode(node, "JSXClosingElement"); - } - jsxParseElementAt(startLoc) { - const node = this.startNodeAt(startLoc); - const children = []; - const openingElement = this.jsxParseOpeningElementAt(startLoc); - let closingElement = null; - if (!openingElement.selfClosing) { - contents: for (;;) { - switch (this.state.type) { - case 143: - startLoc = this.state.startLoc; - this.next(); - if (this.eat(56)) { - closingElement = this.jsxParseClosingElementAt(startLoc); - break contents; - } - children.push(this.jsxParseElementAt(startLoc)); - break; - case 142: - children.push(this.parseLiteral(this.state.value, "JSXText")); - break; - case 5: - { - const node = this.startNode(); - this.setContext(types.brace); - this.next(); - if (this.match(21)) { - children.push(this.jsxParseSpreadChild(node)); - } else { - children.push(this.jsxParseExpressionContainer(node, types.j_expr)); - } - break; - } - default: - this.unexpected(); - } - } - if (isFragment(openingElement) && !isFragment(closingElement) && closingElement !== null) { - this.raise(JsxErrors.MissingClosingTagFragment, closingElement); - } else if (!isFragment(openingElement) && isFragment(closingElement)) { - this.raise(JsxErrors.MissingClosingTagElement, closingElement, { - openingTagName: getQualifiedJSXName(openingElement.name) - }); - } else if (!isFragment(openingElement) && !isFragment(closingElement)) { - if (getQualifiedJSXName(closingElement.name) !== getQualifiedJSXName(openingElement.name)) { - this.raise(JsxErrors.MissingClosingTagElement, closingElement, { - openingTagName: getQualifiedJSXName(openingElement.name) - }); - } - } - } - if (isFragment(openingElement)) { - node.openingFragment = openingElement; - node.closingFragment = closingElement; - } else { - node.openingElement = openingElement; - node.closingElement = closingElement; - } - node.children = children; - if (this.match(47)) { - throw this.raise(JsxErrors.UnwrappedAdjacentJSXElements, this.state.startLoc); - } - return isFragment(openingElement) ? this.finishNode(node, "JSXFragment") : this.finishNode(node, "JSXElement"); - } - jsxParseElement() { - const startLoc = this.state.startLoc; - this.next(); - return this.jsxParseElementAt(startLoc); - } - setContext(newContext) { - const { - context - } = this.state; - context[context.length - 1] = newContext; - } - parseExprAtom(refExpressionErrors) { - if (this.match(143)) { - return this.jsxParseElement(); - } else if (this.match(47) && this.input.charCodeAt(this.state.pos) !== 33) { - this.replaceToken(143); - return this.jsxParseElement(); - } else { - return super.parseExprAtom(refExpressionErrors); - } - } - skipSpace() { - const curContext = this.curContext(); - if (!curContext.preserveSpace) super.skipSpace(); - } - getTokenFromCode(code) { - const context = this.curContext(); - if (context === types.j_expr) { - this.jsxReadToken(); - return; - } - if (context === types.j_oTag || context === types.j_cTag) { - if (isIdentifierStart(code)) { - this.jsxReadWord(); - return; - } - if (code === 62) { - ++this.state.pos; - this.finishToken(144); - return; - } - if ((code === 34 || code === 39) && context === types.j_oTag) { - this.jsxReadString(code); - return; - } - } - if (code === 60 && this.state.canStartJSXElement && this.input.charCodeAt(this.state.pos + 1) !== 33) { - ++this.state.pos; - this.finishToken(143); - return; - } - super.getTokenFromCode(code); - } - updateContext(prevType) { - const { - context, - type - } = this.state; - if (type === 56 && prevType === 143) { - context.splice(-2, 2, types.j_cTag); - this.state.canStartJSXElement = false; - } else if (type === 143) { - context.push(types.j_oTag); - } else if (type === 144) { - const out = context[context.length - 1]; - if (out === types.j_oTag && prevType === 56 || out === types.j_cTag) { - context.pop(); - this.state.canStartJSXElement = context[context.length - 1] === types.j_expr; - } else { - this.setContext(types.j_expr); - this.state.canStartJSXElement = true; - } - } else { - this.state.canStartJSXElement = tokenComesBeforeExpression(type); - } - } -}; -class TypeScriptScope extends Scope { - constructor(...args) { - super(...args); - this.tsNames = new Map(); - } -} -class TypeScriptScopeHandler extends ScopeHandler { - constructor(...args) { - super(...args); - this.importsStack = []; - } - createScope(flags) { - this.importsStack.push(new Set()); - return new TypeScriptScope(flags); - } - enter(flags) { - if (flags === 1024) { - this.importsStack.push(new Set()); - } - super.enter(flags); - } - exit() { - const flags = super.exit(); - if (flags === 1024) { - this.importsStack.pop(); - } - return flags; - } - hasImport(name, allowShadow) { - const len = this.importsStack.length; - if (this.importsStack[len - 1].has(name)) { - return true; - } - if (!allowShadow && len > 1) { - for (let i = 0; i < len - 1; i++) { - if (this.importsStack[i].has(name)) return true; - } - } - return false; - } - declareName(name, bindingType, loc) { - if (bindingType & 4096) { - if (this.hasImport(name, true)) { - this.parser.raise(Errors.VarRedeclaration, loc, { - identifierName: name - }); - } - this.importsStack[this.importsStack.length - 1].add(name); - return; - } - const scope = this.currentScope(); - let type = scope.tsNames.get(name) || 0; - if (bindingType & 1024) { - this.maybeExportDefined(scope, name); - scope.tsNames.set(name, type | 16); - return; - } - super.declareName(name, bindingType, loc); - if (bindingType & 2) { - if (!(bindingType & 1)) { - this.checkRedeclarationInScope(scope, name, bindingType, loc); - this.maybeExportDefined(scope, name); - } - type = type | 1; - } - if (bindingType & 256) { - type = type | 2; - } - if (bindingType & 512) { - type = type | 4; - } - if (bindingType & 128) { - type = type | 8; - } - if (type) scope.tsNames.set(name, type); - } - isRedeclaredInScope(scope, name, bindingType) { - const type = scope.tsNames.get(name); - if ((type & 2) > 0) { - if (bindingType & 256) { - const isConst = !!(bindingType & 512); - const wasConst = (type & 4) > 0; - return isConst !== wasConst; - } - return true; - } - if (bindingType & 128 && (type & 8) > 0) { - if (scope.names.get(name) & 2) { - return !!(bindingType & 1); - } else { - return false; - } - } - if (bindingType & 2 && (type & 1) > 0) { - return true; - } - return super.isRedeclaredInScope(scope, name, bindingType); - } - checkLocalExport(id) { - const { - name - } = id; - if (this.hasImport(name)) return; - const len = this.scopeStack.length; - for (let i = len - 1; i >= 0; i--) { - const scope = this.scopeStack[i]; - const type = scope.tsNames.get(name); - if ((type & 1) > 0 || (type & 16) > 0) { - return; - } - } - super.checkLocalExport(id); - } -} -class ProductionParameterHandler { - constructor() { - this.stacks = []; - } - enter(flags) { - this.stacks.push(flags); - } - exit() { - this.stacks.pop(); - } - currentFlags() { - return this.stacks[this.stacks.length - 1]; - } - get hasAwait() { - return (this.currentFlags() & 2) > 0; - } - get hasYield() { - return (this.currentFlags() & 1) > 0; - } - get hasReturn() { - return (this.currentFlags() & 4) > 0; - } - get hasIn() { - return (this.currentFlags() & 8) > 0; - } -} -function functionFlags(isAsync, isGenerator) { - return (isAsync ? 2 : 0) | (isGenerator ? 1 : 0); -} -class BaseParser { - constructor() { - this.sawUnambiguousESM = false; - this.ambiguousScriptDifferentAst = false; - } - sourceToOffsetPos(sourcePos) { - return sourcePos + this.startIndex; - } - offsetToSourcePos(offsetPos) { - return offsetPos - this.startIndex; - } - hasPlugin(pluginConfig) { - if (typeof pluginConfig === "string") { - return this.plugins.has(pluginConfig); - } else { - const [pluginName, pluginOptions] = pluginConfig; - if (!this.hasPlugin(pluginName)) { - return false; - } - const actualOptions = this.plugins.get(pluginName); - for (const key of Object.keys(pluginOptions)) { - if ((actualOptions == null ? void 0 : actualOptions[key]) !== pluginOptions[key]) { - return false; - } - } - return true; - } - } - getPluginOption(plugin, name) { - var _this$plugins$get; - return (_this$plugins$get = this.plugins.get(plugin)) == null ? void 0 : _this$plugins$get[name]; - } -} -function setTrailingComments(node, comments) { - if (node.trailingComments === undefined) { - node.trailingComments = comments; - } else { - node.trailingComments.unshift(...comments); - } -} -function setLeadingComments(node, comments) { - if (node.leadingComments === undefined) { - node.leadingComments = comments; - } else { - node.leadingComments.unshift(...comments); - } -} -function setInnerComments(node, comments) { - if (node.innerComments === undefined) { - node.innerComments = comments; - } else { - node.innerComments.unshift(...comments); - } -} -function adjustInnerComments(node, elements, commentWS) { - let lastElement = null; - let i = elements.length; - while (lastElement === null && i > 0) { - lastElement = elements[--i]; - } - if (lastElement === null || lastElement.start > commentWS.start) { - setInnerComments(node, commentWS.comments); - } else { - setTrailingComments(lastElement, commentWS.comments); - } -} -class CommentsParser extends BaseParser { - addComment(comment) { - if (this.filename) comment.loc.filename = this.filename; - const { - commentsLen - } = this.state; - if (this.comments.length !== commentsLen) { - this.comments.length = commentsLen; - } - this.comments.push(comment); - this.state.commentsLen++; - } - processComment(node) { - const { - commentStack - } = this.state; - const commentStackLength = commentStack.length; - if (commentStackLength === 0) return; - let i = commentStackLength - 1; - const lastCommentWS = commentStack[i]; - if (lastCommentWS.start === node.end) { - lastCommentWS.leadingNode = node; - i--; - } - const { - start: nodeStart - } = node; - for (; i >= 0; i--) { - const commentWS = commentStack[i]; - const commentEnd = commentWS.end; - if (commentEnd > nodeStart) { - commentWS.containingNode = node; - this.finalizeComment(commentWS); - commentStack.splice(i, 1); - } else { - if (commentEnd === nodeStart) { - commentWS.trailingNode = node; - } - break; - } - } - } - finalizeComment(commentWS) { - var _node$options; - const { - comments - } = commentWS; - if (commentWS.leadingNode !== null || commentWS.trailingNode !== null) { - if (commentWS.leadingNode !== null) { - setTrailingComments(commentWS.leadingNode, comments); - } - if (commentWS.trailingNode !== null) { - setLeadingComments(commentWS.trailingNode, comments); - } - } else { - const node = commentWS.containingNode; - const commentStart = commentWS.start; - if (this.input.charCodeAt(this.offsetToSourcePos(commentStart) - 1) === 44) { - switch (node.type) { - case "ObjectExpression": - case "ObjectPattern": - adjustInnerComments(node, node.properties, commentWS); - break; - case "CallExpression": - case "OptionalCallExpression": - adjustInnerComments(node, node.arguments, commentWS); - break; - case "ImportExpression": - adjustInnerComments(node, [node.source, (_node$options = node.options) != null ? _node$options : null], commentWS); - break; - case "FunctionDeclaration": - case "FunctionExpression": - case "ArrowFunctionExpression": - case "ObjectMethod": - case "ClassMethod": - case "ClassPrivateMethod": - adjustInnerComments(node, node.params, commentWS); - break; - case "ArrayExpression": - case "ArrayPattern": - adjustInnerComments(node, node.elements, commentWS); - break; - case "ExportNamedDeclaration": - case "ImportDeclaration": - adjustInnerComments(node, node.specifiers, commentWS); - break; - case "TSEnumDeclaration": - adjustInnerComments(node, node.members, commentWS); - break; - case "TSEnumBody": - adjustInnerComments(node, node.members, commentWS); - break; - default: - { - if (node.type === "RecordExpression") { - adjustInnerComments(node, node.properties, commentWS); - break; - } - if (node.type === "TupleExpression") { - adjustInnerComments(node, node.elements, commentWS); - break; - } - setInnerComments(node, comments); - } - } - } else { - setInnerComments(node, comments); - } - } - } - finalizeRemainingComments() { - const { - commentStack - } = this.state; - for (let i = commentStack.length - 1; i >= 0; i--) { - this.finalizeComment(commentStack[i]); - } - this.state.commentStack = []; - } - resetPreviousNodeTrailingComments(node) { - const { - commentStack - } = this.state; - const { - length - } = commentStack; - if (length === 0) return; - const commentWS = commentStack[length - 1]; - if (commentWS.leadingNode === node) { - commentWS.leadingNode = null; - } - } - takeSurroundingComments(node, start, end) { - const { - commentStack - } = this.state; - const commentStackLength = commentStack.length; - if (commentStackLength === 0) return; - let i = commentStackLength - 1; - for (; i >= 0; i--) { - const commentWS = commentStack[i]; - const commentEnd = commentWS.end; - const commentStart = commentWS.start; - if (commentStart === end) { - commentWS.leadingNode = node; - } else if (commentEnd === start) { - commentWS.trailingNode = node; - } else if (commentEnd < start) { - break; - } - } - } -} -class State { - constructor() { - this.flags = 1024; - this.startIndex = void 0; - this.curLine = void 0; - this.lineStart = void 0; - this.startLoc = void 0; - this.endLoc = void 0; - this.errors = []; - this.potentialArrowAt = -1; - this.noArrowAt = []; - this.noArrowParamsConversionAt = []; - this.topicContext = { - maxNumOfResolvableTopics: 0, - maxTopicIndex: null - }; - this.labels = []; - this.commentsLen = 0; - this.commentStack = []; - this.pos = 0; - this.type = 140; - this.value = null; - this.start = 0; - this.end = 0; - this.lastTokEndLoc = null; - this.lastTokStartLoc = null; - this.context = [types.brace]; - this.firstInvalidTemplateEscapePos = null; - this.strictErrors = new Map(); - this.tokensLength = 0; - } - get strict() { - return (this.flags & 1) > 0; - } - set strict(v) { - if (v) this.flags |= 1;else this.flags &= -2; - } - init({ - strictMode, - sourceType, - startIndex, - startLine, - startColumn - }) { - this.strict = strictMode === false ? false : strictMode === true ? true : sourceType === "module"; - this.startIndex = startIndex; - this.curLine = startLine; - this.lineStart = -startColumn; - this.startLoc = this.endLoc = new Position(startLine, startColumn, startIndex); - } - get maybeInArrowParameters() { - return (this.flags & 2) > 0; - } - set maybeInArrowParameters(v) { - if (v) this.flags |= 2;else this.flags &= -3; - } - get inType() { - return (this.flags & 4) > 0; - } - set inType(v) { - if (v) this.flags |= 4;else this.flags &= -5; - } - get noAnonFunctionType() { - return (this.flags & 8) > 0; - } - set noAnonFunctionType(v) { - if (v) this.flags |= 8;else this.flags &= -9; - } - get hasFlowComment() { - return (this.flags & 16) > 0; - } - set hasFlowComment(v) { - if (v) this.flags |= 16;else this.flags &= -17; - } - get isAmbientContext() { - return (this.flags & 32) > 0; - } - set isAmbientContext(v) { - if (v) this.flags |= 32;else this.flags &= -33; - } - get inAbstractClass() { - return (this.flags & 64) > 0; - } - set inAbstractClass(v) { - if (v) this.flags |= 64;else this.flags &= -65; - } - get inDisallowConditionalTypesContext() { - return (this.flags & 128) > 0; - } - set inDisallowConditionalTypesContext(v) { - if (v) this.flags |= 128;else this.flags &= -129; - } - get soloAwait() { - return (this.flags & 256) > 0; - } - set soloAwait(v) { - if (v) this.flags |= 256;else this.flags &= -257; - } - get inFSharpPipelineDirectBody() { - return (this.flags & 512) > 0; - } - set inFSharpPipelineDirectBody(v) { - if (v) this.flags |= 512;else this.flags &= -513; - } - get canStartJSXElement() { - return (this.flags & 1024) > 0; - } - set canStartJSXElement(v) { - if (v) this.flags |= 1024;else this.flags &= -1025; - } - get containsEsc() { - return (this.flags & 2048) > 0; - } - set containsEsc(v) { - if (v) this.flags |= 2048;else this.flags &= -2049; - } - get hasTopLevelAwait() { - return (this.flags & 4096) > 0; - } - set hasTopLevelAwait(v) { - if (v) this.flags |= 4096;else this.flags &= -4097; - } - curPosition() { - return new Position(this.curLine, this.pos - this.lineStart, this.pos + this.startIndex); - } - clone() { - const state = new State(); - state.flags = this.flags; - state.startIndex = this.startIndex; - state.curLine = this.curLine; - state.lineStart = this.lineStart; - state.startLoc = this.startLoc; - state.endLoc = this.endLoc; - state.errors = this.errors.slice(); - state.potentialArrowAt = this.potentialArrowAt; - state.noArrowAt = this.noArrowAt.slice(); - state.noArrowParamsConversionAt = this.noArrowParamsConversionAt.slice(); - state.topicContext = this.topicContext; - state.labels = this.labels.slice(); - state.commentsLen = this.commentsLen; - state.commentStack = this.commentStack.slice(); - state.pos = this.pos; - state.type = this.type; - state.value = this.value; - state.start = this.start; - state.end = this.end; - state.lastTokEndLoc = this.lastTokEndLoc; - state.lastTokStartLoc = this.lastTokStartLoc; - state.context = this.context.slice(); - state.firstInvalidTemplateEscapePos = this.firstInvalidTemplateEscapePos; - state.strictErrors = this.strictErrors; - state.tokensLength = this.tokensLength; - return state; - } -} -var _isDigit = function isDigit(code) { - return code >= 48 && code <= 57; -}; -const forbiddenNumericSeparatorSiblings = { - decBinOct: new Set([46, 66, 69, 79, 95, 98, 101, 111]), - hex: new Set([46, 88, 95, 120]) -}; -const isAllowedNumericSeparatorSibling = { - bin: ch => ch === 48 || ch === 49, - oct: ch => ch >= 48 && ch <= 55, - dec: ch => ch >= 48 && ch <= 57, - hex: ch => ch >= 48 && ch <= 57 || ch >= 65 && ch <= 70 || ch >= 97 && ch <= 102 -}; -function readStringContents(type, input, pos, lineStart, curLine, errors) { - const initialPos = pos; - const initialLineStart = lineStart; - const initialCurLine = curLine; - let out = ""; - let firstInvalidLoc = null; - let chunkStart = pos; - const { - length - } = input; - for (;;) { - if (pos >= length) { - errors.unterminated(initialPos, initialLineStart, initialCurLine); - out += input.slice(chunkStart, pos); - break; - } - const ch = input.charCodeAt(pos); - if (isStringEnd(type, ch, input, pos)) { - out += input.slice(chunkStart, pos); - break; - } - if (ch === 92) { - out += input.slice(chunkStart, pos); - const res = readEscapedChar(input, pos, lineStart, curLine, type === "template", errors); - if (res.ch === null && !firstInvalidLoc) { - firstInvalidLoc = { - pos, - lineStart, - curLine - }; - } else { - out += res.ch; - } - ({ - pos, - lineStart, - curLine - } = res); - chunkStart = pos; - } else if (ch === 8232 || ch === 8233) { - ++pos; - ++curLine; - lineStart = pos; - } else if (ch === 10 || ch === 13) { - if (type === "template") { - out += input.slice(chunkStart, pos) + "\n"; - ++pos; - if (ch === 13 && input.charCodeAt(pos) === 10) { - ++pos; - } - ++curLine; - chunkStart = lineStart = pos; - } else { - errors.unterminated(initialPos, initialLineStart, initialCurLine); - } - } else { - ++pos; - } - } - return { - pos, - str: out, - firstInvalidLoc, - lineStart, - curLine, - containsInvalid: !!firstInvalidLoc - }; -} -function isStringEnd(type, ch, input, pos) { - if (type === "template") { - return ch === 96 || ch === 36 && input.charCodeAt(pos + 1) === 123; - } - return ch === (type === "double" ? 34 : 39); -} -function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) { - const throwOnInvalid = !inTemplate; - pos++; - const res = ch => ({ - pos, - ch, - lineStart, - curLine - }); - const ch = input.charCodeAt(pos++); - switch (ch) { - case 110: - return res("\n"); - case 114: - return res("\r"); - case 120: - { - let code; - ({ - code, - pos - } = readHexChar(input, pos, lineStart, curLine, 2, false, throwOnInvalid, errors)); - return res(code === null ? null : String.fromCharCode(code)); - } - case 117: - { - let code; - ({ - code, - pos - } = readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors)); - return res(code === null ? null : String.fromCodePoint(code)); - } - case 116: - return res("\t"); - case 98: - return res("\b"); - case 118: - return res("\u000b"); - case 102: - return res("\f"); - case 13: - if (input.charCodeAt(pos) === 10) { - ++pos; - } - case 10: - lineStart = pos; - ++curLine; - case 8232: - case 8233: - return res(""); - case 56: - case 57: - if (inTemplate) { - return res(null); - } else { - errors.strictNumericEscape(pos - 1, lineStart, curLine); - } - default: - if (ch >= 48 && ch <= 55) { - const startPos = pos - 1; - const match = /^[0-7]+/.exec(input.slice(startPos, pos + 2)); - let octalStr = match[0]; - let octal = parseInt(octalStr, 8); - if (octal > 255) { - octalStr = octalStr.slice(0, -1); - octal = parseInt(octalStr, 8); - } - pos += octalStr.length - 1; - const next = input.charCodeAt(pos); - if (octalStr !== "0" || next === 56 || next === 57) { - if (inTemplate) { - return res(null); - } else { - errors.strictNumericEscape(startPos, lineStart, curLine); - } - } - return res(String.fromCharCode(octal)); - } - return res(String.fromCharCode(ch)); - } -} -function readHexChar(input, pos, lineStart, curLine, len, forceLen, throwOnInvalid, errors) { - const initialPos = pos; - let n; - ({ - n, - pos - } = readInt(input, pos, lineStart, curLine, 16, len, forceLen, false, errors, !throwOnInvalid)); - if (n === null) { - if (throwOnInvalid) { - errors.invalidEscapeSequence(initialPos, lineStart, curLine); - } else { - pos = initialPos - 1; - } - } - return { - code: n, - pos - }; -} -function readInt(input, pos, lineStart, curLine, radix, len, forceLen, allowNumSeparator, errors, bailOnError) { - const start = pos; - const forbiddenSiblings = radix === 16 ? forbiddenNumericSeparatorSiblings.hex : forbiddenNumericSeparatorSiblings.decBinOct; - const isAllowedSibling = radix === 16 ? isAllowedNumericSeparatorSibling.hex : radix === 10 ? isAllowedNumericSeparatorSibling.dec : radix === 8 ? isAllowedNumericSeparatorSibling.oct : isAllowedNumericSeparatorSibling.bin; - let invalid = false; - let total = 0; - for (let i = 0, e = len == null ? Infinity : len; i < e; ++i) { - const code = input.charCodeAt(pos); - let val; - if (code === 95 && allowNumSeparator !== "bail") { - const prev = input.charCodeAt(pos - 1); - const next = input.charCodeAt(pos + 1); - if (!allowNumSeparator) { - if (bailOnError) return { - n: null, - pos - }; - errors.numericSeparatorInEscapeSequence(pos, lineStart, curLine); - } else if (Number.isNaN(next) || !isAllowedSibling(next) || forbiddenSiblings.has(prev) || forbiddenSiblings.has(next)) { - if (bailOnError) return { - n: null, - pos - }; - errors.unexpectedNumericSeparator(pos, lineStart, curLine); - } - ++pos; - continue; - } - if (code >= 97) { - val = code - 97 + 10; - } else if (code >= 65) { - val = code - 65 + 10; - } else if (_isDigit(code)) { - val = code - 48; - } else { - val = Infinity; - } - if (val >= radix) { - if (val <= 9 && bailOnError) { - return { - n: null, - pos - }; - } else if (val <= 9 && errors.invalidDigit(pos, lineStart, curLine, radix)) { - val = 0; - } else if (forceLen) { - val = 0; - invalid = true; - } else { - break; - } - } - ++pos; - total = total * radix + val; - } - if (pos === start || len != null && pos - start !== len || invalid) { - return { - n: null, - pos - }; - } - return { - n: total, - pos - }; -} -function readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors) { - const ch = input.charCodeAt(pos); - let code; - if (ch === 123) { - ++pos; - ({ - code, - pos - } = readHexChar(input, pos, lineStart, curLine, input.indexOf("}", pos) - pos, true, throwOnInvalid, errors)); - ++pos; - if (code !== null && code > 0x10ffff) { - if (throwOnInvalid) { - errors.invalidCodePoint(pos, lineStart, curLine); - } else { - return { - code: null, - pos - }; - } - } - } else { - ({ - code, - pos - } = readHexChar(input, pos, lineStart, curLine, 4, false, throwOnInvalid, errors)); - } - return { - code, - pos - }; -} -function buildPosition(pos, lineStart, curLine) { - return new Position(curLine, pos - lineStart, pos); -} -const VALID_REGEX_FLAGS = new Set([103, 109, 115, 105, 121, 117, 100, 118]); -class Token { - constructor(state) { - const startIndex = state.startIndex || 0; - this.type = state.type; - this.value = state.value; - this.start = startIndex + state.start; - this.end = startIndex + state.end; - this.loc = new SourceLocation(state.startLoc, state.endLoc); - } -} -class Tokenizer extends CommentsParser { - constructor(options, input) { - super(); - this.isLookahead = void 0; - this.tokens = []; - this.errorHandlers_readInt = { - invalidDigit: (pos, lineStart, curLine, radix) => { - if (!(this.optionFlags & 2048)) return false; - this.raise(Errors.InvalidDigit, buildPosition(pos, lineStart, curLine), { - radix - }); - return true; - }, - numericSeparatorInEscapeSequence: this.errorBuilder(Errors.NumericSeparatorInEscapeSequence), - unexpectedNumericSeparator: this.errorBuilder(Errors.UnexpectedNumericSeparator) - }; - this.errorHandlers_readCodePoint = Object.assign({}, this.errorHandlers_readInt, { - invalidEscapeSequence: this.errorBuilder(Errors.InvalidEscapeSequence), - invalidCodePoint: this.errorBuilder(Errors.InvalidCodePoint) - }); - this.errorHandlers_readStringContents_string = Object.assign({}, this.errorHandlers_readCodePoint, { - strictNumericEscape: (pos, lineStart, curLine) => { - this.recordStrictModeErrors(Errors.StrictNumericEscape, buildPosition(pos, lineStart, curLine)); - }, - unterminated: (pos, lineStart, curLine) => { - throw this.raise(Errors.UnterminatedString, buildPosition(pos - 1, lineStart, curLine)); - } - }); - this.errorHandlers_readStringContents_template = Object.assign({}, this.errorHandlers_readCodePoint, { - strictNumericEscape: this.errorBuilder(Errors.StrictNumericEscape), - unterminated: (pos, lineStart, curLine) => { - throw this.raise(Errors.UnterminatedTemplate, buildPosition(pos, lineStart, curLine)); - } - }); - this.state = new State(); - this.state.init(options); - this.input = input; - this.length = input.length; - this.comments = []; - this.isLookahead = false; - } - pushToken(token) { - this.tokens.length = this.state.tokensLength; - this.tokens.push(token); - ++this.state.tokensLength; - } - next() { - this.checkKeywordEscapes(); - if (this.optionFlags & 256) { - this.pushToken(new Token(this.state)); - } - this.state.lastTokEndLoc = this.state.endLoc; - this.state.lastTokStartLoc = this.state.startLoc; - this.nextToken(); - } - eat(type) { - if (this.match(type)) { - this.next(); - return true; - } else { - return false; - } - } - match(type) { - return this.state.type === type; - } - createLookaheadState(state) { - return { - pos: state.pos, - value: null, - type: state.type, - start: state.start, - end: state.end, - context: [this.curContext()], - inType: state.inType, - startLoc: state.startLoc, - lastTokEndLoc: state.lastTokEndLoc, - curLine: state.curLine, - lineStart: state.lineStart, - curPosition: state.curPosition - }; - } - lookahead() { - const old = this.state; - this.state = this.createLookaheadState(old); - this.isLookahead = true; - this.nextToken(); - this.isLookahead = false; - const curr = this.state; - this.state = old; - return curr; - } - nextTokenStart() { - return this.nextTokenStartSince(this.state.pos); - } - nextTokenStartSince(pos) { - skipWhiteSpace.lastIndex = pos; - return skipWhiteSpace.test(this.input) ? skipWhiteSpace.lastIndex : pos; - } - lookaheadCharCode() { - return this.lookaheadCharCodeSince(this.state.pos); - } - lookaheadCharCodeSince(pos) { - return this.input.charCodeAt(this.nextTokenStartSince(pos)); - } - nextTokenInLineStart() { - return this.nextTokenInLineStartSince(this.state.pos); - } - nextTokenInLineStartSince(pos) { - skipWhiteSpaceInLine.lastIndex = pos; - return skipWhiteSpaceInLine.test(this.input) ? skipWhiteSpaceInLine.lastIndex : pos; - } - lookaheadInLineCharCode() { - return this.input.charCodeAt(this.nextTokenInLineStart()); - } - codePointAtPos(pos) { - let cp = this.input.charCodeAt(pos); - if ((cp & 0xfc00) === 0xd800 && ++pos < this.input.length) { - const trail = this.input.charCodeAt(pos); - if ((trail & 0xfc00) === 0xdc00) { - cp = 0x10000 + ((cp & 0x3ff) << 10) + (trail & 0x3ff); - } - } - return cp; - } - setStrict(strict) { - this.state.strict = strict; - if (strict) { - this.state.strictErrors.forEach(([toParseError, at]) => this.raise(toParseError, at)); - this.state.strictErrors.clear(); - } - } - curContext() { - return this.state.context[this.state.context.length - 1]; - } - nextToken() { - this.skipSpace(); - this.state.start = this.state.pos; - if (!this.isLookahead) this.state.startLoc = this.state.curPosition(); - if (this.state.pos >= this.length) { - this.finishToken(140); - return; - } - this.getTokenFromCode(this.codePointAtPos(this.state.pos)); - } - skipBlockComment(commentEnd) { - let startLoc; - if (!this.isLookahead) startLoc = this.state.curPosition(); - const start = this.state.pos; - const end = this.input.indexOf(commentEnd, start + 2); - if (end === -1) { - throw this.raise(Errors.UnterminatedComment, this.state.curPosition()); - } - this.state.pos = end + commentEnd.length; - lineBreakG.lastIndex = start + 2; - while (lineBreakG.test(this.input) && lineBreakG.lastIndex <= end) { - ++this.state.curLine; - this.state.lineStart = lineBreakG.lastIndex; - } - if (this.isLookahead) return; - const comment = { - type: "CommentBlock", - value: this.input.slice(start + 2, end), - start: this.sourceToOffsetPos(start), - end: this.sourceToOffsetPos(end + commentEnd.length), - loc: new SourceLocation(startLoc, this.state.curPosition()) - }; - if (this.optionFlags & 256) this.pushToken(comment); - return comment; - } - skipLineComment(startSkip) { - const start = this.state.pos; - let startLoc; - if (!this.isLookahead) startLoc = this.state.curPosition(); - let ch = this.input.charCodeAt(this.state.pos += startSkip); - if (this.state.pos < this.length) { - while (!isNewLine(ch) && ++this.state.pos < this.length) { - ch = this.input.charCodeAt(this.state.pos); - } - } - if (this.isLookahead) return; - const end = this.state.pos; - const value = this.input.slice(start + startSkip, end); - const comment = { - type: "CommentLine", - value, - start: this.sourceToOffsetPos(start), - end: this.sourceToOffsetPos(end), - loc: new SourceLocation(startLoc, this.state.curPosition()) - }; - if (this.optionFlags & 256) this.pushToken(comment); - return comment; - } - skipSpace() { - const spaceStart = this.state.pos; - const comments = this.optionFlags & 4096 ? [] : null; - loop: while (this.state.pos < this.length) { - const ch = this.input.charCodeAt(this.state.pos); - switch (ch) { - case 32: - case 160: - case 9: - ++this.state.pos; - break; - case 13: - if (this.input.charCodeAt(this.state.pos + 1) === 10) { - ++this.state.pos; - } - case 10: - case 8232: - case 8233: - ++this.state.pos; - ++this.state.curLine; - this.state.lineStart = this.state.pos; - break; - case 47: - switch (this.input.charCodeAt(this.state.pos + 1)) { - case 42: - { - const comment = this.skipBlockComment("*/"); - if (comment !== undefined) { - this.addComment(comment); - comments == null || comments.push(comment); - } - break; - } - case 47: - { - const comment = this.skipLineComment(2); - if (comment !== undefined) { - this.addComment(comment); - comments == null || comments.push(comment); - } - break; - } - default: - break loop; - } - break; - default: - if (isWhitespace(ch)) { - ++this.state.pos; - } else if (ch === 45 && !this.inModule && this.optionFlags & 8192) { - const pos = this.state.pos; - if (this.input.charCodeAt(pos + 1) === 45 && this.input.charCodeAt(pos + 2) === 62 && (spaceStart === 0 || this.state.lineStart > spaceStart)) { - const comment = this.skipLineComment(3); - if (comment !== undefined) { - this.addComment(comment); - comments == null || comments.push(comment); - } - } else { - break loop; - } - } else if (ch === 60 && !this.inModule && this.optionFlags & 8192) { - const pos = this.state.pos; - if (this.input.charCodeAt(pos + 1) === 33 && this.input.charCodeAt(pos + 2) === 45 && this.input.charCodeAt(pos + 3) === 45) { - const comment = this.skipLineComment(4); - if (comment !== undefined) { - this.addComment(comment); - comments == null || comments.push(comment); - } - } else { - break loop; - } - } else { - break loop; - } - } - } - if ((comments == null ? void 0 : comments.length) > 0) { - const end = this.state.pos; - const commentWhitespace = { - start: this.sourceToOffsetPos(spaceStart), - end: this.sourceToOffsetPos(end), - comments: comments, - leadingNode: null, - trailingNode: null, - containingNode: null - }; - this.state.commentStack.push(commentWhitespace); - } - } - finishToken(type, val) { - this.state.end = this.state.pos; - this.state.endLoc = this.state.curPosition(); - const prevType = this.state.type; - this.state.type = type; - this.state.value = val; - if (!this.isLookahead) { - this.updateContext(prevType); - } - } - replaceToken(type) { - this.state.type = type; - this.updateContext(); - } - readToken_numberSign() { - if (this.state.pos === 0 && this.readToken_interpreter()) { - return; - } - const nextPos = this.state.pos + 1; - const next = this.codePointAtPos(nextPos); - if (next >= 48 && next <= 57) { - throw this.raise(Errors.UnexpectedDigitAfterHash, this.state.curPosition()); - } - if (next === 123 || next === 91 && this.hasPlugin("recordAndTuple")) { - this.expectPlugin("recordAndTuple"); - if (this.getPluginOption("recordAndTuple", "syntaxType") === "bar") { - throw this.raise(next === 123 ? Errors.RecordExpressionHashIncorrectStartSyntaxType : Errors.TupleExpressionHashIncorrectStartSyntaxType, this.state.curPosition()); - } - this.state.pos += 2; - if (next === 123) { - this.finishToken(7); - } else { - this.finishToken(1); - } - } else if (isIdentifierStart(next)) { - ++this.state.pos; - this.finishToken(139, this.readWord1(next)); - } else if (next === 92) { - ++this.state.pos; - this.finishToken(139, this.readWord1()); - } else { - this.finishOp(27, 1); - } - } - readToken_dot() { - const next = this.input.charCodeAt(this.state.pos + 1); - if (next >= 48 && next <= 57) { - this.readNumber(true); - return; - } - if (next === 46 && this.input.charCodeAt(this.state.pos + 2) === 46) { - this.state.pos += 3; - this.finishToken(21); - } else { - ++this.state.pos; - this.finishToken(16); - } - } - readToken_slash() { - const next = this.input.charCodeAt(this.state.pos + 1); - if (next === 61) { - this.finishOp(31, 2); - } else { - this.finishOp(56, 1); - } - } - readToken_interpreter() { - if (this.state.pos !== 0 || this.length < 2) return false; - let ch = this.input.charCodeAt(this.state.pos + 1); - if (ch !== 33) return false; - const start = this.state.pos; - this.state.pos += 1; - while (!isNewLine(ch) && ++this.state.pos < this.length) { - ch = this.input.charCodeAt(this.state.pos); - } - const value = this.input.slice(start + 2, this.state.pos); - this.finishToken(28, value); - return true; - } - readToken_mult_modulo(code) { - let type = code === 42 ? 55 : 54; - let width = 1; - let next = this.input.charCodeAt(this.state.pos + 1); - if (code === 42 && next === 42) { - width++; - next = this.input.charCodeAt(this.state.pos + 2); - type = 57; - } - if (next === 61 && !this.state.inType) { - width++; - type = code === 37 ? 33 : 30; - } - this.finishOp(type, width); - } - readToken_pipe_amp(code) { - const next = this.input.charCodeAt(this.state.pos + 1); - if (next === code) { - if (this.input.charCodeAt(this.state.pos + 2) === 61) { - this.finishOp(30, 3); - } else { - this.finishOp(code === 124 ? 41 : 42, 2); - } - return; - } - if (code === 124) { - if (next === 62) { - this.finishOp(39, 2); - return; - } - if (this.hasPlugin("recordAndTuple") && next === 125) { - if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") { - throw this.raise(Errors.RecordExpressionBarIncorrectEndSyntaxType, this.state.curPosition()); - } - this.state.pos += 2; - this.finishToken(9); - return; - } - if (this.hasPlugin("recordAndTuple") && next === 93) { - if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") { - throw this.raise(Errors.TupleExpressionBarIncorrectEndSyntaxType, this.state.curPosition()); - } - this.state.pos += 2; - this.finishToken(4); - return; - } - } - if (next === 61) { - this.finishOp(30, 2); - return; - } - this.finishOp(code === 124 ? 43 : 45, 1); - } - readToken_caret() { - const next = this.input.charCodeAt(this.state.pos + 1); - if (next === 61 && !this.state.inType) { - this.finishOp(32, 2); - } else if (next === 94 && this.hasPlugin(["pipelineOperator", { - proposal: "hack", - topicToken: "^^" - }])) { - this.finishOp(37, 2); - const lookaheadCh = this.input.codePointAt(this.state.pos); - if (lookaheadCh === 94) { - this.unexpected(); - } - } else { - this.finishOp(44, 1); - } - } - readToken_atSign() { - const next = this.input.charCodeAt(this.state.pos + 1); - if (next === 64 && this.hasPlugin(["pipelineOperator", { - proposal: "hack", - topicToken: "@@" - }])) { - this.finishOp(38, 2); - } else { - this.finishOp(26, 1); - } - } - readToken_plus_min(code) { - const next = this.input.charCodeAt(this.state.pos + 1); - if (next === code) { - this.finishOp(34, 2); - return; - } - if (next === 61) { - this.finishOp(30, 2); - } else { - this.finishOp(53, 1); - } - } - readToken_lt() { - const { - pos - } = this.state; - const next = this.input.charCodeAt(pos + 1); - if (next === 60) { - if (this.input.charCodeAt(pos + 2) === 61) { - this.finishOp(30, 3); - return; - } - this.finishOp(51, 2); - return; - } - if (next === 61) { - this.finishOp(49, 2); - return; - } - this.finishOp(47, 1); - } - readToken_gt() { - const { - pos - } = this.state; - const next = this.input.charCodeAt(pos + 1); - if (next === 62) { - const size = this.input.charCodeAt(pos + 2) === 62 ? 3 : 2; - if (this.input.charCodeAt(pos + size) === 61) { - this.finishOp(30, size + 1); - return; - } - this.finishOp(52, size); - return; - } - if (next === 61) { - this.finishOp(49, 2); - return; - } - this.finishOp(48, 1); - } - readToken_eq_excl(code) { - const next = this.input.charCodeAt(this.state.pos + 1); - if (next === 61) { - this.finishOp(46, this.input.charCodeAt(this.state.pos + 2) === 61 ? 3 : 2); - return; - } - if (code === 61 && next === 62) { - this.state.pos += 2; - this.finishToken(19); - return; - } - this.finishOp(code === 61 ? 29 : 35, 1); - } - readToken_question() { - const next = this.input.charCodeAt(this.state.pos + 1); - const next2 = this.input.charCodeAt(this.state.pos + 2); - if (next === 63) { - if (next2 === 61) { - this.finishOp(30, 3); - } else { - this.finishOp(40, 2); - } - } else if (next === 46 && !(next2 >= 48 && next2 <= 57)) { - this.state.pos += 2; - this.finishToken(18); - } else { - ++this.state.pos; - this.finishToken(17); - } - } - getTokenFromCode(code) { - switch (code) { - case 46: - this.readToken_dot(); - return; - case 40: - ++this.state.pos; - this.finishToken(10); - return; - case 41: - ++this.state.pos; - this.finishToken(11); - return; - case 59: - ++this.state.pos; - this.finishToken(13); - return; - case 44: - ++this.state.pos; - this.finishToken(12); - return; - case 91: - if (this.hasPlugin("recordAndTuple") && this.input.charCodeAt(this.state.pos + 1) === 124) { - if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") { - throw this.raise(Errors.TupleExpressionBarIncorrectStartSyntaxType, this.state.curPosition()); - } - this.state.pos += 2; - this.finishToken(2); - } else { - ++this.state.pos; - this.finishToken(0); - } - return; - case 93: - ++this.state.pos; - this.finishToken(3); - return; - case 123: - if (this.hasPlugin("recordAndTuple") && this.input.charCodeAt(this.state.pos + 1) === 124) { - if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") { - throw this.raise(Errors.RecordExpressionBarIncorrectStartSyntaxType, this.state.curPosition()); - } - this.state.pos += 2; - this.finishToken(6); - } else { - ++this.state.pos; - this.finishToken(5); - } - return; - case 125: - ++this.state.pos; - this.finishToken(8); - return; - case 58: - if (this.hasPlugin("functionBind") && this.input.charCodeAt(this.state.pos + 1) === 58) { - this.finishOp(15, 2); - } else { - ++this.state.pos; - this.finishToken(14); - } - return; - case 63: - this.readToken_question(); - return; - case 96: - this.readTemplateToken(); - return; - case 48: - { - const next = this.input.charCodeAt(this.state.pos + 1); - if (next === 120 || next === 88) { - this.readRadixNumber(16); - return; - } - if (next === 111 || next === 79) { - this.readRadixNumber(8); - return; - } - if (next === 98 || next === 66) { - this.readRadixNumber(2); - return; - } - } - case 49: - case 50: - case 51: - case 52: - case 53: - case 54: - case 55: - case 56: - case 57: - this.readNumber(false); - return; - case 34: - case 39: - this.readString(code); - return; - case 47: - this.readToken_slash(); - return; - case 37: - case 42: - this.readToken_mult_modulo(code); - return; - case 124: - case 38: - this.readToken_pipe_amp(code); - return; - case 94: - this.readToken_caret(); - return; - case 43: - case 45: - this.readToken_plus_min(code); - return; - case 60: - this.readToken_lt(); - return; - case 62: - this.readToken_gt(); - return; - case 61: - case 33: - this.readToken_eq_excl(code); - return; - case 126: - this.finishOp(36, 1); - return; - case 64: - this.readToken_atSign(); - return; - case 35: - this.readToken_numberSign(); - return; - case 92: - this.readWord(); - return; - default: - if (isIdentifierStart(code)) { - this.readWord(code); - return; - } - } - throw this.raise(Errors.InvalidOrUnexpectedToken, this.state.curPosition(), { - unexpected: String.fromCodePoint(code) - }); - } - finishOp(type, size) { - const str = this.input.slice(this.state.pos, this.state.pos + size); - this.state.pos += size; - this.finishToken(type, str); - } - readRegexp() { - const startLoc = this.state.startLoc; - const start = this.state.start + 1; - let escaped, inClass; - let { - pos - } = this.state; - for (;; ++pos) { - if (pos >= this.length) { - throw this.raise(Errors.UnterminatedRegExp, createPositionWithColumnOffset(startLoc, 1)); - } - const ch = this.input.charCodeAt(pos); - if (isNewLine(ch)) { - throw this.raise(Errors.UnterminatedRegExp, createPositionWithColumnOffset(startLoc, 1)); - } - if (escaped) { - escaped = false; - } else { - if (ch === 91) { - inClass = true; - } else if (ch === 93 && inClass) { - inClass = false; - } else if (ch === 47 && !inClass) { - break; - } - escaped = ch === 92; - } - } - const content = this.input.slice(start, pos); - ++pos; - let mods = ""; - const nextPos = () => createPositionWithColumnOffset(startLoc, pos + 2 - start); - while (pos < this.length) { - const cp = this.codePointAtPos(pos); - const char = String.fromCharCode(cp); - if (VALID_REGEX_FLAGS.has(cp)) { - if (cp === 118) { - if (mods.includes("u")) { - this.raise(Errors.IncompatibleRegExpUVFlags, nextPos()); - } - } else if (cp === 117) { - if (mods.includes("v")) { - this.raise(Errors.IncompatibleRegExpUVFlags, nextPos()); - } - } - if (mods.includes(char)) { - this.raise(Errors.DuplicateRegExpFlags, nextPos()); - } - } else if (isIdentifierChar(cp) || cp === 92) { - this.raise(Errors.MalformedRegExpFlags, nextPos()); - } else { - break; - } - ++pos; - mods += char; - } - this.state.pos = pos; - this.finishToken(138, { - pattern: content, - flags: mods - }); - } - readInt(radix, len, forceLen = false, allowNumSeparator = true) { - const { - n, - pos - } = readInt(this.input, this.state.pos, this.state.lineStart, this.state.curLine, radix, len, forceLen, allowNumSeparator, this.errorHandlers_readInt, false); - this.state.pos = pos; - return n; - } - readRadixNumber(radix) { - const start = this.state.pos; - const startLoc = this.state.curPosition(); - let isBigInt = false; - this.state.pos += 2; - const val = this.readInt(radix); - if (val == null) { - this.raise(Errors.InvalidDigit, createPositionWithColumnOffset(startLoc, 2), { - radix - }); - } - const next = this.input.charCodeAt(this.state.pos); - if (next === 110) { - ++this.state.pos; - isBigInt = true; - } else if (next === 109) { - throw this.raise(Errors.InvalidDecimal, startLoc); - } - if (isIdentifierStart(this.codePointAtPos(this.state.pos))) { - throw this.raise(Errors.NumberIdentifier, this.state.curPosition()); - } - if (isBigInt) { - const str = this.input.slice(start, this.state.pos).replace(/[_n]/g, ""); - this.finishToken(136, str); - return; - } - this.finishToken(135, val); - } - readNumber(startsWithDot) { - const start = this.state.pos; - const startLoc = this.state.curPosition(); - let isFloat = false; - let isBigInt = false; - let hasExponent = false; - let isOctal = false; - if (!startsWithDot && this.readInt(10) === null) { - this.raise(Errors.InvalidNumber, this.state.curPosition()); - } - const hasLeadingZero = this.state.pos - start >= 2 && this.input.charCodeAt(start) === 48; - if (hasLeadingZero) { - const integer = this.input.slice(start, this.state.pos); - this.recordStrictModeErrors(Errors.StrictOctalLiteral, startLoc); - if (!this.state.strict) { - const underscorePos = integer.indexOf("_"); - if (underscorePos > 0) { - this.raise(Errors.ZeroDigitNumericSeparator, createPositionWithColumnOffset(startLoc, underscorePos)); - } - } - isOctal = hasLeadingZero && !/[89]/.test(integer); - } - let next = this.input.charCodeAt(this.state.pos); - if (next === 46 && !isOctal) { - ++this.state.pos; - this.readInt(10); - isFloat = true; - next = this.input.charCodeAt(this.state.pos); - } - if ((next === 69 || next === 101) && !isOctal) { - next = this.input.charCodeAt(++this.state.pos); - if (next === 43 || next === 45) { - ++this.state.pos; - } - if (this.readInt(10) === null) { - this.raise(Errors.InvalidOrMissingExponent, startLoc); - } - isFloat = true; - hasExponent = true; - next = this.input.charCodeAt(this.state.pos); - } - if (next === 110) { - if (isFloat || hasLeadingZero) { - this.raise(Errors.InvalidBigIntLiteral, startLoc); - } - ++this.state.pos; - isBigInt = true; - } - if (next === 109) { - this.expectPlugin("decimal", this.state.curPosition()); - if (hasExponent || hasLeadingZero) { - this.raise(Errors.InvalidDecimal, startLoc); - } - ++this.state.pos; - var isDecimal = true; - } - if (isIdentifierStart(this.codePointAtPos(this.state.pos))) { - throw this.raise(Errors.NumberIdentifier, this.state.curPosition()); - } - const str = this.input.slice(start, this.state.pos).replace(/[_mn]/g, ""); - if (isBigInt) { - this.finishToken(136, str); - return; - } - if (isDecimal) { - this.finishToken(137, str); - return; - } - const val = isOctal ? parseInt(str, 8) : parseFloat(str); - this.finishToken(135, val); - } - readCodePoint(throwOnInvalid) { - const { - code, - pos - } = readCodePoint(this.input, this.state.pos, this.state.lineStart, this.state.curLine, throwOnInvalid, this.errorHandlers_readCodePoint); - this.state.pos = pos; - return code; - } - readString(quote) { - const { - str, - pos, - curLine, - lineStart - } = readStringContents(quote === 34 ? "double" : "single", this.input, this.state.pos + 1, this.state.lineStart, this.state.curLine, this.errorHandlers_readStringContents_string); - this.state.pos = pos + 1; - this.state.lineStart = lineStart; - this.state.curLine = curLine; - this.finishToken(134, str); - } - readTemplateContinuation() { - if (!this.match(8)) { - this.unexpected(null, 8); - } - this.state.pos--; - this.readTemplateToken(); - } - readTemplateToken() { - const opening = this.input[this.state.pos]; - const { - str, - firstInvalidLoc, - pos, - curLine, - lineStart - } = readStringContents("template", this.input, this.state.pos + 1, this.state.lineStart, this.state.curLine, this.errorHandlers_readStringContents_template); - this.state.pos = pos + 1; - this.state.lineStart = lineStart; - this.state.curLine = curLine; - if (firstInvalidLoc) { - this.state.firstInvalidTemplateEscapePos = new Position(firstInvalidLoc.curLine, firstInvalidLoc.pos - firstInvalidLoc.lineStart, this.sourceToOffsetPos(firstInvalidLoc.pos)); - } - if (this.input.codePointAt(pos) === 96) { - this.finishToken(24, firstInvalidLoc ? null : opening + str + "`"); - } else { - this.state.pos++; - this.finishToken(25, firstInvalidLoc ? null : opening + str + "${"); - } - } - recordStrictModeErrors(toParseError, at) { - const index = at.index; - if (this.state.strict && !this.state.strictErrors.has(index)) { - this.raise(toParseError, at); - } else { - this.state.strictErrors.set(index, [toParseError, at]); - } - } - readWord1(firstCode) { - this.state.containsEsc = false; - let word = ""; - const start = this.state.pos; - let chunkStart = this.state.pos; - if (firstCode !== undefined) { - this.state.pos += firstCode <= 0xffff ? 1 : 2; - } - while (this.state.pos < this.length) { - const ch = this.codePointAtPos(this.state.pos); - if (isIdentifierChar(ch)) { - this.state.pos += ch <= 0xffff ? 1 : 2; - } else if (ch === 92) { - this.state.containsEsc = true; - word += this.input.slice(chunkStart, this.state.pos); - const escStart = this.state.curPosition(); - const identifierCheck = this.state.pos === start ? isIdentifierStart : isIdentifierChar; - if (this.input.charCodeAt(++this.state.pos) !== 117) { - this.raise(Errors.MissingUnicodeEscape, this.state.curPosition()); - chunkStart = this.state.pos - 1; - continue; - } - ++this.state.pos; - const esc = this.readCodePoint(true); - if (esc !== null) { - if (!identifierCheck(esc)) { - this.raise(Errors.EscapedCharNotAnIdentifier, escStart); - } - word += String.fromCodePoint(esc); - } - chunkStart = this.state.pos; - } else { - break; - } - } - return word + this.input.slice(chunkStart, this.state.pos); - } - readWord(firstCode) { - const word = this.readWord1(firstCode); - const type = keywords$1.get(word); - if (type !== undefined) { - this.finishToken(type, tokenLabelName(type)); - } else { - this.finishToken(132, word); - } - } - checkKeywordEscapes() { - const { - type - } = this.state; - if (tokenIsKeyword(type) && this.state.containsEsc) { - this.raise(Errors.InvalidEscapedReservedWord, this.state.startLoc, { - reservedWord: tokenLabelName(type) - }); - } - } - raise(toParseError, at, details = {}) { - const loc = at instanceof Position ? at : at.loc.start; - const error = toParseError(loc, details); - if (!(this.optionFlags & 2048)) throw error; - if (!this.isLookahead) this.state.errors.push(error); - return error; - } - raiseOverwrite(toParseError, at, details = {}) { - const loc = at instanceof Position ? at : at.loc.start; - const pos = loc.index; - const errors = this.state.errors; - for (let i = errors.length - 1; i >= 0; i--) { - const error = errors[i]; - if (error.loc.index === pos) { - return errors[i] = toParseError(loc, details); - } - if (error.loc.index < pos) break; - } - return this.raise(toParseError, at, details); - } - updateContext(prevType) {} - unexpected(loc, type) { - throw this.raise(Errors.UnexpectedToken, loc != null ? loc : this.state.startLoc, { - expected: type ? tokenLabelName(type) : null - }); - } - expectPlugin(pluginName, loc) { - if (this.hasPlugin(pluginName)) { - return true; - } - throw this.raise(Errors.MissingPlugin, loc != null ? loc : this.state.startLoc, { - missingPlugin: [pluginName] - }); - } - expectOnePlugin(pluginNames) { - if (!pluginNames.some(name => this.hasPlugin(name))) { - throw this.raise(Errors.MissingOneOfPlugins, this.state.startLoc, { - missingPlugin: pluginNames - }); - } - } - errorBuilder(error) { - return (pos, lineStart, curLine) => { - this.raise(error, buildPosition(pos, lineStart, curLine)); - }; - } -} -class ClassScope { - constructor() { - this.privateNames = new Set(); - this.loneAccessors = new Map(); - this.undefinedPrivateNames = new Map(); - } -} -class ClassScopeHandler { - constructor(parser) { - this.parser = void 0; - this.stack = []; - this.undefinedPrivateNames = new Map(); - this.parser = parser; - } - current() { - return this.stack[this.stack.length - 1]; - } - enter() { - this.stack.push(new ClassScope()); - } - exit() { - const oldClassScope = this.stack.pop(); - const current = this.current(); - for (const [name, loc] of Array.from(oldClassScope.undefinedPrivateNames)) { - if (current) { - if (!current.undefinedPrivateNames.has(name)) { - current.undefinedPrivateNames.set(name, loc); - } - } else { - this.parser.raise(Errors.InvalidPrivateFieldResolution, loc, { - identifierName: name - }); - } - } - } - declarePrivateName(name, elementType, loc) { - const { - privateNames, - loneAccessors, - undefinedPrivateNames - } = this.current(); - let redefined = privateNames.has(name); - if (elementType & 3) { - const accessor = redefined && loneAccessors.get(name); - if (accessor) { - const oldStatic = accessor & 4; - const newStatic = elementType & 4; - const oldKind = accessor & 3; - const newKind = elementType & 3; - redefined = oldKind === newKind || oldStatic !== newStatic; - if (!redefined) loneAccessors.delete(name); - } else if (!redefined) { - loneAccessors.set(name, elementType); - } - } - if (redefined) { - this.parser.raise(Errors.PrivateNameRedeclaration, loc, { - identifierName: name - }); - } - privateNames.add(name); - undefinedPrivateNames.delete(name); - } - usePrivateName(name, loc) { - let classScope; - for (classScope of this.stack) { - if (classScope.privateNames.has(name)) return; - } - if (classScope) { - classScope.undefinedPrivateNames.set(name, loc); - } else { - this.parser.raise(Errors.InvalidPrivateFieldResolution, loc, { - identifierName: name - }); - } - } -} -class ExpressionScope { - constructor(type = 0) { - this.type = type; - } - canBeArrowParameterDeclaration() { - return this.type === 2 || this.type === 1; - } - isCertainlyParameterDeclaration() { - return this.type === 3; - } -} -class ArrowHeadParsingScope extends ExpressionScope { - constructor(type) { - super(type); - this.declarationErrors = new Map(); - } - recordDeclarationError(ParsingErrorClass, at) { - const index = at.index; - this.declarationErrors.set(index, [ParsingErrorClass, at]); - } - clearDeclarationError(index) { - this.declarationErrors.delete(index); - } - iterateErrors(iterator) { - this.declarationErrors.forEach(iterator); - } -} -class ExpressionScopeHandler { - constructor(parser) { - this.parser = void 0; - this.stack = [new ExpressionScope()]; - this.parser = parser; - } - enter(scope) { - this.stack.push(scope); - } - exit() { - this.stack.pop(); - } - recordParameterInitializerError(toParseError, node) { - const origin = node.loc.start; - const { - stack - } = this; - let i = stack.length - 1; - let scope = stack[i]; - while (!scope.isCertainlyParameterDeclaration()) { - if (scope.canBeArrowParameterDeclaration()) { - scope.recordDeclarationError(toParseError, origin); - } else { - return; - } - scope = stack[--i]; - } - this.parser.raise(toParseError, origin); - } - recordArrowParameterBindingError(error, node) { - const { - stack - } = this; - const scope = stack[stack.length - 1]; - const origin = node.loc.start; - if (scope.isCertainlyParameterDeclaration()) { - this.parser.raise(error, origin); - } else if (scope.canBeArrowParameterDeclaration()) { - scope.recordDeclarationError(error, origin); - } else { - return; - } - } - recordAsyncArrowParametersError(at) { - const { - stack - } = this; - let i = stack.length - 1; - let scope = stack[i]; - while (scope.canBeArrowParameterDeclaration()) { - if (scope.type === 2) { - scope.recordDeclarationError(Errors.AwaitBindingIdentifier, at); - } - scope = stack[--i]; - } - } - validateAsPattern() { - const { - stack - } = this; - const currentScope = stack[stack.length - 1]; - if (!currentScope.canBeArrowParameterDeclaration()) return; - currentScope.iterateErrors(([toParseError, loc]) => { - this.parser.raise(toParseError, loc); - let i = stack.length - 2; - let scope = stack[i]; - while (scope.canBeArrowParameterDeclaration()) { - scope.clearDeclarationError(loc.index); - scope = stack[--i]; - } - }); - } -} -function newParameterDeclarationScope() { - return new ExpressionScope(3); -} -function newArrowHeadScope() { - return new ArrowHeadParsingScope(1); -} -function newAsyncArrowScope() { - return new ArrowHeadParsingScope(2); -} -function newExpressionScope() { - return new ExpressionScope(); -} -class UtilParser extends Tokenizer { - addExtra(node, key, value, enumerable = true) { - if (!node) return; - let { - extra - } = node; - if (extra == null) { - extra = {}; - node.extra = extra; - } - if (enumerable) { - extra[key] = value; - } else { - Object.defineProperty(extra, key, { - enumerable, - value - }); - } - } - isContextual(token) { - return this.state.type === token && !this.state.containsEsc; - } - isUnparsedContextual(nameStart, name) { - if (this.input.startsWith(name, nameStart)) { - const nextCh = this.input.charCodeAt(nameStart + name.length); - return !(isIdentifierChar(nextCh) || (nextCh & 0xfc00) === 0xd800); - } - return false; - } - isLookaheadContextual(name) { - const next = this.nextTokenStart(); - return this.isUnparsedContextual(next, name); - } - eatContextual(token) { - if (this.isContextual(token)) { - this.next(); - return true; - } - return false; - } - expectContextual(token, toParseError) { - if (!this.eatContextual(token)) { - if (toParseError != null) { - throw this.raise(toParseError, this.state.startLoc); - } - this.unexpected(null, token); - } - } - canInsertSemicolon() { - return this.match(140) || this.match(8) || this.hasPrecedingLineBreak(); - } - hasPrecedingLineBreak() { - return hasNewLine(this.input, this.offsetToSourcePos(this.state.lastTokEndLoc.index), this.state.start); - } - hasFollowingLineBreak() { - return hasNewLine(this.input, this.state.end, this.nextTokenStart()); - } - isLineTerminator() { - return this.eat(13) || this.canInsertSemicolon(); - } - semicolon(allowAsi = true) { - if (allowAsi ? this.isLineTerminator() : this.eat(13)) return; - this.raise(Errors.MissingSemicolon, this.state.lastTokEndLoc); - } - expect(type, loc) { - if (!this.eat(type)) { - this.unexpected(loc, type); - } - } - tryParse(fn, oldState = this.state.clone()) { - const abortSignal = { - node: null - }; - try { - const node = fn((node = null) => { - abortSignal.node = node; - throw abortSignal; - }); - if (this.state.errors.length > oldState.errors.length) { - const failState = this.state; - this.state = oldState; - this.state.tokensLength = failState.tokensLength; - return { - node, - error: failState.errors[oldState.errors.length], - thrown: false, - aborted: false, - failState - }; - } - return { - node: node, - error: null, - thrown: false, - aborted: false, - failState: null - }; - } catch (error) { - const failState = this.state; - this.state = oldState; - if (error instanceof SyntaxError) { - return { - node: null, - error, - thrown: true, - aborted: false, - failState - }; - } - if (error === abortSignal) { - return { - node: abortSignal.node, - error: null, - thrown: false, - aborted: true, - failState - }; - } - throw error; - } - } - checkExpressionErrors(refExpressionErrors, andThrow) { - if (!refExpressionErrors) return false; - const { - shorthandAssignLoc, - doubleProtoLoc, - privateKeyLoc, - optionalParametersLoc, - voidPatternLoc - } = refExpressionErrors; - const hasErrors = !!shorthandAssignLoc || !!doubleProtoLoc || !!optionalParametersLoc || !!privateKeyLoc || !!voidPatternLoc; - if (!andThrow) { - return hasErrors; - } - if (shorthandAssignLoc != null) { - this.raise(Errors.InvalidCoverInitializedName, shorthandAssignLoc); - } - if (doubleProtoLoc != null) { - this.raise(Errors.DuplicateProto, doubleProtoLoc); - } - if (privateKeyLoc != null) { - this.raise(Errors.UnexpectedPrivateField, privateKeyLoc); - } - if (optionalParametersLoc != null) { - this.unexpected(optionalParametersLoc); - } - if (voidPatternLoc != null) { - this.raise(Errors.InvalidCoverDiscardElement, voidPatternLoc); - } - } - isLiteralPropertyName() { - return tokenIsLiteralPropertyName(this.state.type); - } - isPrivateName(node) { - return node.type === "PrivateName"; - } - getPrivateNameSV(node) { - return node.id.name; - } - hasPropertyAsPrivateName(node) { - return (node.type === "MemberExpression" || node.type === "OptionalMemberExpression") && this.isPrivateName(node.property); - } - isObjectProperty(node) { - return node.type === "ObjectProperty"; - } - isObjectMethod(node) { - return node.type === "ObjectMethod"; - } - initializeScopes(inModule = this.options.sourceType === "module") { - const oldLabels = this.state.labels; - this.state.labels = []; - const oldExportedIdentifiers = this.exportedIdentifiers; - this.exportedIdentifiers = new Set(); - const oldInModule = this.inModule; - this.inModule = inModule; - const oldScope = this.scope; - const ScopeHandler = this.getScopeHandler(); - this.scope = new ScopeHandler(this, inModule); - const oldProdParam = this.prodParam; - this.prodParam = new ProductionParameterHandler(); - const oldClassScope = this.classScope; - this.classScope = new ClassScopeHandler(this); - const oldExpressionScope = this.expressionScope; - this.expressionScope = new ExpressionScopeHandler(this); - return () => { - this.state.labels = oldLabels; - this.exportedIdentifiers = oldExportedIdentifiers; - this.inModule = oldInModule; - this.scope = oldScope; - this.prodParam = oldProdParam; - this.classScope = oldClassScope; - this.expressionScope = oldExpressionScope; - }; - } - enterInitialScopes() { - let paramFlags = 0; - if (this.inModule || this.optionFlags & 1) { - paramFlags |= 2; - } - if (this.optionFlags & 32) { - paramFlags |= 1; - } - const isCommonJS = !this.inModule && this.options.sourceType === "commonjs"; - if (isCommonJS || this.optionFlags & 2) { - paramFlags |= 4; - } - this.prodParam.enter(paramFlags); - let scopeFlags = isCommonJS ? 514 : 1; - if (this.optionFlags & 4) { - scopeFlags |= 512; - } - this.scope.enter(scopeFlags); - } - checkDestructuringPrivate(refExpressionErrors) { - const { - privateKeyLoc - } = refExpressionErrors; - if (privateKeyLoc !== null) { - this.expectPlugin("destructuringPrivate", privateKeyLoc); - } - } -} -class ExpressionErrors { - constructor() { - this.shorthandAssignLoc = null; - this.doubleProtoLoc = null; - this.privateKeyLoc = null; - this.optionalParametersLoc = null; - this.voidPatternLoc = null; - } -} -class Node { - constructor(parser, pos, loc) { - this.type = ""; - this.start = pos; - this.end = 0; - this.loc = new SourceLocation(loc); - if ((parser == null ? void 0 : parser.optionFlags) & 128) this.range = [pos, 0]; - if (parser != null && parser.filename) this.loc.filename = parser.filename; - } -} -const NodePrototype = Node.prototype; -NodePrototype.__clone = function () { - const newNode = new Node(undefined, this.start, this.loc.start); - const keys = Object.keys(this); - for (let i = 0, length = keys.length; i < length; i++) { - const key = keys[i]; - if (key !== "leadingComments" && key !== "trailingComments" && key !== "innerComments") { - newNode[key] = this[key]; - } - } - return newNode; -}; -class NodeUtils extends UtilParser { - startNode() { - const loc = this.state.startLoc; - return new Node(this, loc.index, loc); - } - startNodeAt(loc) { - return new Node(this, loc.index, loc); - } - startNodeAtNode(type) { - return this.startNodeAt(type.loc.start); - } - finishNode(node, type) { - return this.finishNodeAt(node, type, this.state.lastTokEndLoc); - } - finishNodeAt(node, type, endLoc) { - node.type = type; - node.end = endLoc.index; - node.loc.end = endLoc; - if (this.optionFlags & 128) node.range[1] = endLoc.index; - if (this.optionFlags & 4096) { - this.processComment(node); - } - return node; - } - resetStartLocation(node, startLoc) { - node.start = startLoc.index; - node.loc.start = startLoc; - if (this.optionFlags & 128) node.range[0] = startLoc.index; - } - resetEndLocation(node, endLoc = this.state.lastTokEndLoc) { - node.end = endLoc.index; - node.loc.end = endLoc; - if (this.optionFlags & 128) node.range[1] = endLoc.index; - } - resetStartLocationFromNode(node, locationNode) { - this.resetStartLocation(node, locationNode.loc.start); - } - castNodeTo(node, type) { - node.type = type; - return node; - } - cloneIdentifier(node) { - const { - type, - start, - end, - loc, - range, - name - } = node; - const cloned = Object.create(NodePrototype); - cloned.type = type; - cloned.start = start; - cloned.end = end; - cloned.loc = loc; - cloned.range = range; - cloned.name = name; - if (node.extra) cloned.extra = node.extra; - return cloned; - } - cloneStringLiteral(node) { - const { - type, - start, - end, - loc, - range, - extra - } = node; - const cloned = Object.create(NodePrototype); - cloned.type = type; - cloned.start = start; - cloned.end = end; - cloned.loc = loc; - cloned.range = range; - cloned.extra = extra; - cloned.value = node.value; - return cloned; - } -} -const unwrapParenthesizedExpression = node => { - return node.type === "ParenthesizedExpression" ? unwrapParenthesizedExpression(node.expression) : node; -}; -class LValParser extends NodeUtils { - toAssignable(node, isLHS = false) { - var _node$extra, _node$extra3; - let parenthesized = undefined; - if (node.type === "ParenthesizedExpression" || (_node$extra = node.extra) != null && _node$extra.parenthesized) { - parenthesized = unwrapParenthesizedExpression(node); - if (isLHS) { - if (parenthesized.type === "Identifier") { - this.expressionScope.recordArrowParameterBindingError(Errors.InvalidParenthesizedAssignment, node); - } else if (parenthesized.type !== "CallExpression" && parenthesized.type !== "MemberExpression" && !this.isOptionalMemberExpression(parenthesized)) { - this.raise(Errors.InvalidParenthesizedAssignment, node); - } - } else { - this.raise(Errors.InvalidParenthesizedAssignment, node); - } - } - switch (node.type) { - case "Identifier": - case "ObjectPattern": - case "ArrayPattern": - case "AssignmentPattern": - case "RestElement": - case "VoidPattern": - break; - case "ObjectExpression": - this.castNodeTo(node, "ObjectPattern"); - for (let i = 0, length = node.properties.length, last = length - 1; i < length; i++) { - var _node$extra2; - const prop = node.properties[i]; - const isLast = i === last; - this.toAssignableObjectExpressionProp(prop, isLast, isLHS); - if (isLast && prop.type === "RestElement" && (_node$extra2 = node.extra) != null && _node$extra2.trailingCommaLoc) { - this.raise(Errors.RestTrailingComma, node.extra.trailingCommaLoc); - } - } - break; - case "ObjectProperty": - { - const { - key, - value - } = node; - if (this.isPrivateName(key)) { - this.classScope.usePrivateName(this.getPrivateNameSV(key), key.loc.start); - } - this.toAssignable(value, isLHS); - break; - } - case "SpreadElement": - { - throw new Error("Internal @babel/parser error (this is a bug, please report it)." + " SpreadElement should be converted by .toAssignable's caller."); - } - case "ArrayExpression": - this.castNodeTo(node, "ArrayPattern"); - this.toAssignableList(node.elements, (_node$extra3 = node.extra) == null ? void 0 : _node$extra3.trailingCommaLoc, isLHS); - break; - case "AssignmentExpression": - if (node.operator !== "=") { - this.raise(Errors.MissingEqInAssignment, node.left.loc.end); - } - this.castNodeTo(node, "AssignmentPattern"); - delete node.operator; - if (node.left.type === "VoidPattern") { - this.raise(Errors.VoidPatternInitializer, node.left); - } - this.toAssignable(node.left, isLHS); - break; - case "ParenthesizedExpression": - this.toAssignable(parenthesized, isLHS); - break; - } - } - toAssignableObjectExpressionProp(prop, isLast, isLHS) { - if (prop.type === "ObjectMethod") { - this.raise(prop.kind === "get" || prop.kind === "set" ? Errors.PatternHasAccessor : Errors.PatternHasMethod, prop.key); - } else if (prop.type === "SpreadElement") { - this.castNodeTo(prop, "RestElement"); - const arg = prop.argument; - this.checkToRestConversion(arg, false); - this.toAssignable(arg, isLHS); - if (!isLast) { - this.raise(Errors.RestTrailingComma, prop); - } - } else { - this.toAssignable(prop, isLHS); - } - } - toAssignableList(exprList, trailingCommaLoc, isLHS) { - const end = exprList.length - 1; - for (let i = 0; i <= end; i++) { - const elt = exprList[i]; - if (!elt) continue; - this.toAssignableListItem(exprList, i, isLHS); - if (elt.type === "RestElement") { - if (i < end) { - this.raise(Errors.RestTrailingComma, elt); - } else if (trailingCommaLoc) { - this.raise(Errors.RestTrailingComma, trailingCommaLoc); - } - } - } - } - toAssignableListItem(exprList, index, isLHS) { - const node = exprList[index]; - if (node.type === "SpreadElement") { - this.castNodeTo(node, "RestElement"); - const arg = node.argument; - this.checkToRestConversion(arg, true); - this.toAssignable(arg, isLHS); - } else { - this.toAssignable(node, isLHS); - } - } - isAssignable(node, isBinding) { - switch (node.type) { - case "Identifier": - case "ObjectPattern": - case "ArrayPattern": - case "AssignmentPattern": - case "RestElement": - case "VoidPattern": - return true; - case "ObjectExpression": - { - const last = node.properties.length - 1; - return node.properties.every((prop, i) => { - return prop.type !== "ObjectMethod" && (i === last || prop.type !== "SpreadElement") && this.isAssignable(prop); - }); - } - case "ObjectProperty": - return this.isAssignable(node.value); - case "SpreadElement": - return this.isAssignable(node.argument); - case "ArrayExpression": - return node.elements.every(element => element === null || this.isAssignable(element)); - case "AssignmentExpression": - return node.operator === "="; - case "ParenthesizedExpression": - return this.isAssignable(node.expression); - case "MemberExpression": - case "OptionalMemberExpression": - return !isBinding; - default: - return false; - } - } - toReferencedList(exprList, isParenthesizedExpr) { - return exprList; - } - toReferencedListDeep(exprList, isParenthesizedExpr) { - this.toReferencedList(exprList, isParenthesizedExpr); - for (const expr of exprList) { - if ((expr == null ? void 0 : expr.type) === "ArrayExpression") { - this.toReferencedListDeep(expr.elements); - } - } - } - parseSpread(refExpressionErrors) { - const node = this.startNode(); - this.next(); - node.argument = this.parseMaybeAssignAllowIn(refExpressionErrors, undefined); - return this.finishNode(node, "SpreadElement"); - } - parseRestBinding() { - const node = this.startNode(); - this.next(); - const argument = this.parseBindingAtom(); - if (argument.type === "VoidPattern") { - this.raise(Errors.UnexpectedVoidPattern, argument); - } - node.argument = argument; - return this.finishNode(node, "RestElement"); - } - parseBindingAtom() { - switch (this.state.type) { - case 0: - { - const node = this.startNode(); - this.next(); - node.elements = this.parseBindingList(3, 93, 1); - return this.finishNode(node, "ArrayPattern"); - } - case 5: - return this.parseObjectLike(8, true); - case 88: - return this.parseVoidPattern(null); - } - return this.parseIdentifier(); - } - parseBindingList(close, closeCharCode, flags) { - const allowEmpty = flags & 1; - const elts = []; - let first = true; - while (!this.eat(close)) { - if (first) { - first = false; - } else { - this.expect(12); - } - if (allowEmpty && this.match(12)) { - elts.push(null); - } else if (this.eat(close)) { - break; - } else if (this.match(21)) { - let rest = this.parseRestBinding(); - if (this.hasPlugin("flow") || flags & 2) { - rest = this.parseFunctionParamType(rest); - } - elts.push(rest); - if (!this.checkCommaAfterRest(closeCharCode)) { - this.expect(close); - break; - } - } else { - const decorators = []; - if (flags & 2) { - if (this.match(26) && this.hasPlugin("decorators")) { - this.raise(Errors.UnsupportedParameterDecorator, this.state.startLoc); - } - while (this.match(26)) { - decorators.push(this.parseDecorator()); - } - } - elts.push(this.parseBindingElement(flags, decorators)); - } - } - return elts; - } - parseBindingRestProperty(prop) { - this.next(); - if (this.hasPlugin("discardBinding") && this.match(88)) { - prop.argument = this.parseVoidPattern(null); - this.raise(Errors.UnexpectedVoidPattern, prop.argument); - } else { - prop.argument = this.parseIdentifier(); - } - this.checkCommaAfterRest(125); - return this.finishNode(prop, "RestElement"); - } - parseBindingProperty() { - const { - type, - startLoc - } = this.state; - if (type === 21) { - return this.parseBindingRestProperty(this.startNode()); - } - const prop = this.startNode(); - if (type === 139) { - this.expectPlugin("destructuringPrivate", startLoc); - this.classScope.usePrivateName(this.state.value, startLoc); - prop.key = this.parsePrivateName(); - } else { - this.parsePropertyName(prop); - } - prop.method = false; - return this.parseObjPropValue(prop, startLoc, false, false, true, false); - } - parseBindingElement(flags, decorators) { - const left = this.parseMaybeDefault(); - if (this.hasPlugin("flow") || flags & 2) { - this.parseFunctionParamType(left); - } - if (decorators.length) { - left.decorators = decorators; - this.resetStartLocationFromNode(left, decorators[0]); - } - const elt = this.parseMaybeDefault(left.loc.start, left); - return elt; - } - parseFunctionParamType(param) { - return param; - } - parseMaybeDefault(startLoc, left) { - startLoc != null ? startLoc : startLoc = this.state.startLoc; - left = left != null ? left : this.parseBindingAtom(); - if (!this.eat(29)) return left; - const node = this.startNodeAt(startLoc); - if (left.type === "VoidPattern") { - this.raise(Errors.VoidPatternInitializer, left); - } - node.left = left; - node.right = this.parseMaybeAssignAllowIn(); - return this.finishNode(node, "AssignmentPattern"); - } - isValidLVal(type, disallowCallExpression, isUnparenthesizedInAssign, binding) { - switch (type) { - case "AssignmentPattern": - return "left"; - case "RestElement": - return "argument"; - case "ObjectProperty": - return "value"; - case "ParenthesizedExpression": - return "expression"; - case "ArrayPattern": - return "elements"; - case "ObjectPattern": - return "properties"; - case "VoidPattern": - return true; - case "CallExpression": - if (!disallowCallExpression && !this.state.strict && this.optionFlags & 8192) { - return true; - } - } - return false; - } - isOptionalMemberExpression(expression) { - return expression.type === "OptionalMemberExpression"; - } - checkLVal(expression, ancestor, binding = 64, checkClashes = false, strictModeChanged = false, hasParenthesizedAncestor = false, disallowCallExpression = false) { - var _expression$extra; - const type = expression.type; - if (this.isObjectMethod(expression)) return; - const isOptionalMemberExpression = this.isOptionalMemberExpression(expression); - if (isOptionalMemberExpression || type === "MemberExpression") { - if (isOptionalMemberExpression) { - this.expectPlugin("optionalChainingAssign", expression.loc.start); - if (ancestor.type !== "AssignmentExpression") { - this.raise(Errors.InvalidLhsOptionalChaining, expression, { - ancestor - }); - } - } - if (binding !== 64) { - this.raise(Errors.InvalidPropertyBindingPattern, expression); - } - return; - } - if (type === "Identifier") { - this.checkIdentifier(expression, binding, strictModeChanged); - const { - name - } = expression; - if (checkClashes) { - if (checkClashes.has(name)) { - this.raise(Errors.ParamDupe, expression); - } else { - checkClashes.add(name); - } - } - return; - } else if (type === "VoidPattern" && ancestor.type === "CatchClause") { - this.raise(Errors.VoidPatternCatchClauseParam, expression); - } - const unwrappedExpression = unwrapParenthesizedExpression(expression); - disallowCallExpression || (disallowCallExpression = unwrappedExpression.type === "CallExpression" && (unwrappedExpression.callee.type === "Import" || unwrappedExpression.callee.type === "Super")); - const validity = this.isValidLVal(type, disallowCallExpression, !(hasParenthesizedAncestor || (_expression$extra = expression.extra) != null && _expression$extra.parenthesized) && ancestor.type === "AssignmentExpression", binding); - if (validity === true) return; - if (validity === false) { - const ParseErrorClass = binding === 64 ? Errors.InvalidLhs : Errors.InvalidLhsBinding; - this.raise(ParseErrorClass, expression, { - ancestor - }); - return; - } - let key, isParenthesizedExpression; - if (typeof validity === "string") { - key = validity; - isParenthesizedExpression = type === "ParenthesizedExpression"; - } else { - [key, isParenthesizedExpression] = validity; - } - const nextAncestor = type === "ArrayPattern" || type === "ObjectPattern" ? { - type - } : ancestor; - const val = expression[key]; - if (Array.isArray(val)) { - for (const child of val) { - if (child) { - this.checkLVal(child, nextAncestor, binding, checkClashes, strictModeChanged, isParenthesizedExpression, true); - } - } - } else if (val) { - this.checkLVal(val, nextAncestor, binding, checkClashes, strictModeChanged, isParenthesizedExpression, disallowCallExpression); - } - } - checkIdentifier(at, bindingType, strictModeChanged = false) { - if (this.state.strict && (strictModeChanged ? isStrictBindReservedWord(at.name, this.inModule) : isStrictBindOnlyReservedWord(at.name))) { - if (bindingType === 64) { - this.raise(Errors.StrictEvalArguments, at, { - referenceName: at.name - }); - } else { - this.raise(Errors.StrictEvalArgumentsBinding, at, { - bindingName: at.name - }); - } - } - if (bindingType & 8192 && at.name === "let") { - this.raise(Errors.LetInLexicalBinding, at); - } - if (!(bindingType & 64)) { - this.declareNameFromIdentifier(at, bindingType); - } - } - declareNameFromIdentifier(identifier, binding) { - this.scope.declareName(identifier.name, binding, identifier.loc.start); - } - checkToRestConversion(node, allowPattern) { - switch (node.type) { - case "ParenthesizedExpression": - this.checkToRestConversion(node.expression, allowPattern); - break; - case "Identifier": - case "MemberExpression": - break; - case "ArrayExpression": - case "ObjectExpression": - if (allowPattern) break; - default: - this.raise(Errors.InvalidRestAssignmentPattern, node); - } - } - checkCommaAfterRest(close) { - if (!this.match(12)) { - return false; - } - this.raise(this.lookaheadCharCode() === close ? Errors.RestTrailingComma : Errors.ElementAfterRest, this.state.startLoc); - return true; - } -} -const keywordAndTSRelationalOperator = /in(?:stanceof)?|as|satisfies/y; -function nonNull(x) { - if (x == null) { - throw new Error(`Unexpected ${x} value.`); - } - return x; -} -function assert(x) { - if (!x) { - throw new Error("Assert fail"); - } -} -const TSErrors = ParseErrorEnum`typescript`({ - AbstractMethodHasImplementation: ({ - methodName - }) => `Method '${methodName}' cannot have an implementation because it is marked abstract.`, - AbstractPropertyHasInitializer: ({ - propertyName - }) => `Property '${propertyName}' cannot have an initializer because it is marked abstract.`, - AccessorCannotBeOptional: "An 'accessor' property cannot be declared optional.", - AccessorCannotDeclareThisParameter: "'get' and 'set' accessors cannot declare 'this' parameters.", - AccessorCannotHaveTypeParameters: "An accessor cannot have type parameters.", - ClassMethodHasDeclare: "Class methods cannot have the 'declare' modifier.", - ClassMethodHasReadonly: "Class methods cannot have the 'readonly' modifier.", - ConstInitializerMustBeStringOrNumericLiteralOrLiteralEnumReference: "A 'const' initializer in an ambient context must be a string or numeric literal or literal enum reference.", - ConstructorHasTypeParameters: "Type parameters cannot appear on a constructor declaration.", - DeclareAccessor: ({ - kind - }) => `'declare' is not allowed in ${kind}ters.`, - DeclareClassFieldHasInitializer: "Initializers are not allowed in ambient contexts.", - DeclareFunctionHasImplementation: "An implementation cannot be declared in ambient contexts.", - DuplicateAccessibilityModifier: ({ - modifier - }) => `Accessibility modifier already seen: '${modifier}'.`, - DuplicateModifier: ({ - modifier - }) => `Duplicate modifier: '${modifier}'.`, - EmptyHeritageClauseType: ({ - token - }) => `'${token}' list cannot be empty.`, - EmptyTypeArguments: "Type argument list cannot be empty.", - EmptyTypeParameters: "Type parameter list cannot be empty.", - ExpectedAmbientAfterExportDeclare: "'export declare' must be followed by an ambient declaration.", - ImportAliasHasImportType: "An import alias can not use 'import type'.", - ImportReflectionHasImportType: "An `import module` declaration can not use `type` modifier", - IncompatibleModifiers: ({ - modifiers - }) => `'${modifiers[0]}' modifier cannot be used with '${modifiers[1]}' modifier.`, - IndexSignatureHasAbstract: "Index signatures cannot have the 'abstract' modifier.", - IndexSignatureHasAccessibility: ({ - modifier - }) => `Index signatures cannot have an accessibility modifier ('${modifier}').`, - IndexSignatureHasDeclare: "Index signatures cannot have the 'declare' modifier.", - IndexSignatureHasOverride: "'override' modifier cannot appear on an index signature.", - IndexSignatureHasStatic: "Index signatures cannot have the 'static' modifier.", - InitializerNotAllowedInAmbientContext: "Initializers are not allowed in ambient contexts.", - InvalidHeritageClauseType: ({ - token - }) => `'${token}' list can only include identifiers or qualified-names with optional type arguments.`, - InvalidModifierOnAwaitUsingDeclaration: modifier => `'${modifier}' modifier cannot appear on an await using declaration.`, - InvalidModifierOnTypeMember: ({ - modifier - }) => `'${modifier}' modifier cannot appear on a type member.`, - InvalidModifierOnTypeParameter: ({ - modifier - }) => `'${modifier}' modifier cannot appear on a type parameter.`, - InvalidModifierOnTypeParameterPositions: ({ - modifier - }) => `'${modifier}' modifier can only appear on a type parameter of a class, interface or type alias.`, - InvalidModifierOnUsingDeclaration: modifier => `'${modifier}' modifier cannot appear on a using declaration.`, - InvalidModifiersOrder: ({ - orderedModifiers - }) => `'${orderedModifiers[0]}' modifier must precede '${orderedModifiers[1]}' modifier.`, - InvalidPropertyAccessAfterInstantiationExpression: "Invalid property access after an instantiation expression. " + "You can either wrap the instantiation expression in parentheses, or delete the type arguments.", - InvalidTupleMemberLabel: "Tuple members must be labeled with a simple identifier.", - MissingInterfaceName: "'interface' declarations must be followed by an identifier.", - NonAbstractClassHasAbstractMethod: "Abstract methods can only appear within an abstract class.", - NonClassMethodPropertyHasAbstractModifier: "'abstract' modifier can only appear on a class, method, or property declaration.", - OptionalTypeBeforeRequired: "A required element cannot follow an optional element.", - OverrideNotInSubClass: "This member cannot have an 'override' modifier because its containing class does not extend another class.", - PatternIsOptional: "A binding pattern parameter cannot be optional in an implementation signature.", - PrivateElementHasAbstract: "Private elements cannot have the 'abstract' modifier.", - PrivateElementHasAccessibility: ({ - modifier - }) => `Private elements cannot have an accessibility modifier ('${modifier}').`, - ReadonlyForMethodSignature: "'readonly' modifier can only appear on a property declaration or index signature.", - ReservedArrowTypeParam: "This syntax is reserved in files with the .mts or .cts extension. Add a trailing comma, as in `<T,>() => ...`.", - ReservedTypeAssertion: "This syntax is reserved in files with the .mts or .cts extension. Use an `as` expression instead.", - SetAccessorCannotHaveOptionalParameter: "A 'set' accessor cannot have an optional parameter.", - SetAccessorCannotHaveRestParameter: "A 'set' accessor cannot have rest parameter.", - SetAccessorCannotHaveReturnType: "A 'set' accessor cannot have a return type annotation.", - SingleTypeParameterWithoutTrailingComma: ({ - typeParameterName - }) => `Single type parameter ${typeParameterName} should have a trailing comma. Example usage: <${typeParameterName},>.`, - StaticBlockCannotHaveModifier: "Static class blocks cannot have any modifier.", - TupleOptionalAfterType: "A labeled tuple optional element must be declared using a question mark after the name and before the colon (`name?: type`), rather than after the type (`name: type?`).", - TypeAnnotationAfterAssign: "Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.", - TypeImportCannotSpecifyDefaultAndNamed: "A type-only import can specify a default import or named bindings, but not both.", - TypeModifierIsUsedInTypeExports: "The 'type' modifier cannot be used on a named export when 'export type' is used on its export statement.", - TypeModifierIsUsedInTypeImports: "The 'type' modifier cannot be used on a named import when 'import type' is used on its import statement.", - UnexpectedParameterModifier: "A parameter property is only allowed in a constructor implementation.", - UnexpectedReadonly: "'readonly' type modifier is only permitted on array and tuple literal types.", - UnexpectedTypeAnnotation: "Did not expect a type annotation here.", - UnexpectedTypeCastInParameter: "Unexpected type cast in parameter position.", - UnsupportedImportTypeArgument: "Argument in a type import must be a string literal.", - UnsupportedParameterPropertyKind: "A parameter property may not be declared using a binding pattern.", - UnsupportedSignatureParameterKind: ({ - type - }) => `Name in a signature must be an Identifier, ObjectPattern or ArrayPattern, instead got ${type}.`, - UsingDeclarationInAmbientContext: kind => `'${kind}' declarations are not allowed in ambient contexts.` -}); -function keywordTypeFromName(value) { - switch (value) { - case "any": - return "TSAnyKeyword"; - case "boolean": - return "TSBooleanKeyword"; - case "bigint": - return "TSBigIntKeyword"; - case "never": - return "TSNeverKeyword"; - case "number": - return "TSNumberKeyword"; - case "object": - return "TSObjectKeyword"; - case "string": - return "TSStringKeyword"; - case "symbol": - return "TSSymbolKeyword"; - case "undefined": - return "TSUndefinedKeyword"; - case "unknown": - return "TSUnknownKeyword"; - default: - return undefined; - } -} -function tsIsAccessModifier(modifier) { - return modifier === "private" || modifier === "public" || modifier === "protected"; -} -function tsIsVarianceAnnotations(modifier) { - return modifier === "in" || modifier === "out"; -} -var typescript = superClass => class TypeScriptParserMixin extends superClass { - constructor(...args) { - super(...args); - this.tsParseInOutModifiers = this.tsParseModifiers.bind(this, { - allowedModifiers: ["in", "out"], - disallowedModifiers: ["const", "public", "private", "protected", "readonly", "declare", "abstract", "override"], - errorTemplate: TSErrors.InvalidModifierOnTypeParameter - }); - this.tsParseConstModifier = this.tsParseModifiers.bind(this, { - allowedModifiers: ["const"], - disallowedModifiers: ["in", "out"], - errorTemplate: TSErrors.InvalidModifierOnTypeParameterPositions - }); - this.tsParseInOutConstModifiers = this.tsParseModifiers.bind(this, { - allowedModifiers: ["in", "out", "const"], - disallowedModifiers: ["public", "private", "protected", "readonly", "declare", "abstract", "override"], - errorTemplate: TSErrors.InvalidModifierOnTypeParameter - }); - } - getScopeHandler() { - return TypeScriptScopeHandler; - } - tsIsIdentifier() { - return tokenIsIdentifier(this.state.type); - } - tsTokenCanFollowModifier() { - return this.match(0) || this.match(5) || this.match(55) || this.match(21) || this.match(139) || this.isLiteralPropertyName(); - } - tsNextTokenOnSameLineAndCanFollowModifier() { - this.next(); - if (this.hasPrecedingLineBreak()) { - return false; - } - return this.tsTokenCanFollowModifier(); - } - tsNextTokenCanFollowModifier() { - if (this.match(106)) { - this.next(); - return this.tsTokenCanFollowModifier(); - } - return this.tsNextTokenOnSameLineAndCanFollowModifier(); - } - tsParseModifier(allowedModifiers, stopOnStartOfClassStaticBlock, hasSeenStaticModifier) { - if (!tokenIsIdentifier(this.state.type) && this.state.type !== 58 && this.state.type !== 75) { - return undefined; - } - const modifier = this.state.value; - if (allowedModifiers.includes(modifier)) { - if (hasSeenStaticModifier && this.match(106)) { - return undefined; - } - if (stopOnStartOfClassStaticBlock && this.tsIsStartOfStaticBlocks()) { - return undefined; - } - if (this.tsTryParse(this.tsNextTokenCanFollowModifier.bind(this))) { - return modifier; - } - } - return undefined; - } - tsParseModifiers({ - allowedModifiers, - disallowedModifiers, - stopOnStartOfClassStaticBlock, - errorTemplate = TSErrors.InvalidModifierOnTypeMember - }, modified) { - const enforceOrder = (loc, modifier, before, after) => { - if (modifier === before && modified[after]) { - this.raise(TSErrors.InvalidModifiersOrder, loc, { - orderedModifiers: [before, after] - }); - } - }; - const incompatible = (loc, modifier, mod1, mod2) => { - if (modified[mod1] && modifier === mod2 || modified[mod2] && modifier === mod1) { - this.raise(TSErrors.IncompatibleModifiers, loc, { - modifiers: [mod1, mod2] - }); - } - }; - for (;;) { - const { - startLoc - } = this.state; - const modifier = this.tsParseModifier(allowedModifiers.concat(disallowedModifiers != null ? disallowedModifiers : []), stopOnStartOfClassStaticBlock, modified.static); - if (!modifier) break; - if (tsIsAccessModifier(modifier)) { - if (modified.accessibility) { - this.raise(TSErrors.DuplicateAccessibilityModifier, startLoc, { - modifier - }); - } else { - enforceOrder(startLoc, modifier, modifier, "override"); - enforceOrder(startLoc, modifier, modifier, "static"); - enforceOrder(startLoc, modifier, modifier, "readonly"); - modified.accessibility = modifier; - } - } else if (tsIsVarianceAnnotations(modifier)) { - if (modified[modifier]) { - this.raise(TSErrors.DuplicateModifier, startLoc, { - modifier - }); - } - modified[modifier] = true; - enforceOrder(startLoc, modifier, "in", "out"); - } else { - if (hasOwnProperty.call(modified, modifier)) { - this.raise(TSErrors.DuplicateModifier, startLoc, { - modifier - }); - } else { - enforceOrder(startLoc, modifier, "static", "readonly"); - enforceOrder(startLoc, modifier, "static", "override"); - enforceOrder(startLoc, modifier, "override", "readonly"); - enforceOrder(startLoc, modifier, "abstract", "override"); - incompatible(startLoc, modifier, "declare", "override"); - incompatible(startLoc, modifier, "static", "abstract"); - } - modified[modifier] = true; - } - if (disallowedModifiers != null && disallowedModifiers.includes(modifier)) { - this.raise(errorTemplate, startLoc, { - modifier - }); - } - } - } - tsIsListTerminator(kind) { - switch (kind) { - case "EnumMembers": - case "TypeMembers": - return this.match(8); - case "HeritageClauseElement": - return this.match(5); - case "TupleElementTypes": - return this.match(3); - case "TypeParametersOrArguments": - return this.match(48); - } - } - tsParseList(kind, parseElement) { - const result = []; - while (!this.tsIsListTerminator(kind)) { - result.push(parseElement()); - } - return result; - } - tsParseDelimitedList(kind, parseElement, refTrailingCommaPos) { - return nonNull(this.tsParseDelimitedListWorker(kind, parseElement, true, refTrailingCommaPos)); - } - tsParseDelimitedListWorker(kind, parseElement, expectSuccess, refTrailingCommaPos) { - const result = []; - let trailingCommaPos = -1; - for (;;) { - if (this.tsIsListTerminator(kind)) { - break; - } - trailingCommaPos = -1; - const element = parseElement(); - if (element == null) { - return undefined; - } - result.push(element); - if (this.eat(12)) { - trailingCommaPos = this.state.lastTokStartLoc.index; - continue; - } - if (this.tsIsListTerminator(kind)) { - break; - } - if (expectSuccess) { - this.expect(12); - } - return undefined; - } - if (refTrailingCommaPos) { - refTrailingCommaPos.value = trailingCommaPos; - } - return result; - } - tsParseBracketedList(kind, parseElement, bracket, skipFirstToken, refTrailingCommaPos) { - if (!skipFirstToken) { - if (bracket) { - this.expect(0); - } else { - this.expect(47); - } - } - const result = this.tsParseDelimitedList(kind, parseElement, refTrailingCommaPos); - if (bracket) { - this.expect(3); - } else { - this.expect(48); - } - return result; - } - tsParseImportType() { - const node = this.startNode(); - this.expect(83); - this.expect(10); - if (!this.match(134)) { - this.raise(TSErrors.UnsupportedImportTypeArgument, this.state.startLoc); - node.argument = super.parseExprAtom(); - } else { - node.argument = this.parseStringLiteral(this.state.value); - } - if (this.eat(12)) { - node.options = this.tsParseImportTypeOptions(); - } else { - node.options = null; - } - this.expect(11); - if (this.eat(16)) { - node.qualifier = this.tsParseEntityName(1 | 2); - } - if (this.match(47)) { - node.typeParameters = this.tsParseTypeArguments(); - } - return this.finishNode(node, "TSImportType"); - } - tsParseImportTypeOptions() { - const node = this.startNode(); - this.expect(5); - const withProperty = this.startNode(); - if (this.isContextual(76)) { - withProperty.method = false; - withProperty.key = this.parseIdentifier(true); - withProperty.computed = false; - withProperty.shorthand = false; - } else { - this.unexpected(null, 76); - } - this.expect(14); - withProperty.value = this.tsParseImportTypeWithPropertyValue(); - node.properties = [this.finishObjectProperty(withProperty)]; - this.eat(12); - this.expect(8); - return this.finishNode(node, "ObjectExpression"); - } - tsParseImportTypeWithPropertyValue() { - const node = this.startNode(); - const properties = []; - this.expect(5); - while (!this.match(8)) { - const type = this.state.type; - if (tokenIsIdentifier(type) || type === 134) { - properties.push(super.parsePropertyDefinition(null)); - } else { - this.unexpected(); - } - this.eat(12); - } - node.properties = properties; - this.next(); - return this.finishNode(node, "ObjectExpression"); - } - tsParseEntityName(flags) { - let entity; - if (flags & 1 && this.match(78)) { - if (flags & 2) { - entity = this.parseIdentifier(true); - } else { - const node = this.startNode(); - this.next(); - entity = this.finishNode(node, "ThisExpression"); - } - } else { - entity = this.parseIdentifier(!!(flags & 1)); - } - while (this.eat(16)) { - const node = this.startNodeAtNode(entity); - node.left = entity; - node.right = this.parseIdentifier(!!(flags & 1)); - entity = this.finishNode(node, "TSQualifiedName"); - } - return entity; - } - tsParseTypeReference() { - const node = this.startNode(); - node.typeName = this.tsParseEntityName(1); - if (!this.hasPrecedingLineBreak() && this.match(47)) { - node.typeParameters = this.tsParseTypeArguments(); - } - return this.finishNode(node, "TSTypeReference"); - } - tsParseThisTypePredicate(lhs) { - this.next(); - const node = this.startNodeAtNode(lhs); - node.parameterName = lhs; - node.typeAnnotation = this.tsParseTypeAnnotation(false); - node.asserts = false; - return this.finishNode(node, "TSTypePredicate"); - } - tsParseThisTypeNode() { - const node = this.startNode(); - this.next(); - return this.finishNode(node, "TSThisType"); - } - tsParseTypeQuery() { - const node = this.startNode(); - this.expect(87); - if (this.match(83)) { - node.exprName = this.tsParseImportType(); - } else { - node.exprName = this.tsParseEntityName(1 | 2); - } - if (!this.hasPrecedingLineBreak() && this.match(47)) { - node.typeParameters = this.tsParseTypeArguments(); - } - return this.finishNode(node, "TSTypeQuery"); - } - tsParseTypeParameter(parseModifiers) { - const node = this.startNode(); - parseModifiers(node); - node.name = this.tsParseTypeParameterName(); - node.constraint = this.tsEatThenParseType(81); - node.default = this.tsEatThenParseType(29); - return this.finishNode(node, "TSTypeParameter"); - } - tsTryParseTypeParameters(parseModifiers) { - if (this.match(47)) { - return this.tsParseTypeParameters(parseModifiers); - } - } - tsParseTypeParameters(parseModifiers) { - const node = this.startNode(); - if (this.match(47) || this.match(143)) { - this.next(); - } else { - this.unexpected(); - } - const refTrailingCommaPos = { - value: -1 - }; - node.params = this.tsParseBracketedList("TypeParametersOrArguments", this.tsParseTypeParameter.bind(this, parseModifiers), false, true, refTrailingCommaPos); - if (node.params.length === 0) { - this.raise(TSErrors.EmptyTypeParameters, node); - } - if (refTrailingCommaPos.value !== -1) { - this.addExtra(node, "trailingComma", refTrailingCommaPos.value); - } - return this.finishNode(node, "TSTypeParameterDeclaration"); - } - tsFillSignature(returnToken, signature) { - const returnTokenRequired = returnToken === 19; - const paramsKey = "parameters"; - const returnTypeKey = "typeAnnotation"; - signature.typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier); - this.expect(10); - signature[paramsKey] = this.tsParseBindingListForSignature(); - if (returnTokenRequired) { - signature[returnTypeKey] = this.tsParseTypeOrTypePredicateAnnotation(returnToken); - } else if (this.match(returnToken)) { - signature[returnTypeKey] = this.tsParseTypeOrTypePredicateAnnotation(returnToken); - } - } - tsParseBindingListForSignature() { - const list = super.parseBindingList(11, 41, 2); - for (const pattern of list) { - const { - type - } = pattern; - if (type === "AssignmentPattern" || type === "TSParameterProperty") { - this.raise(TSErrors.UnsupportedSignatureParameterKind, pattern, { - type - }); - } - } - return list; - } - tsParseTypeMemberSemicolon() { - if (!this.eat(12) && !this.isLineTerminator()) { - this.expect(13); - } - } - tsParseSignatureMember(kind, node) { - this.tsFillSignature(14, node); - this.tsParseTypeMemberSemicolon(); - return this.finishNode(node, kind); - } - tsIsUnambiguouslyIndexSignature() { - this.next(); - if (tokenIsIdentifier(this.state.type)) { - this.next(); - return this.match(14); - } - return false; - } - tsTryParseIndexSignature(node) { - if (!(this.match(0) && this.tsLookAhead(this.tsIsUnambiguouslyIndexSignature.bind(this)))) { - return; - } - this.expect(0); - const id = this.parseIdentifier(); - id.typeAnnotation = this.tsParseTypeAnnotation(); - this.resetEndLocation(id); - this.expect(3); - node.parameters = [id]; - const type = this.tsTryParseTypeAnnotation(); - if (type) node.typeAnnotation = type; - this.tsParseTypeMemberSemicolon(); - return this.finishNode(node, "TSIndexSignature"); - } - tsParsePropertyOrMethodSignature(node, readonly) { - if (this.eat(17)) node.optional = true; - if (this.match(10) || this.match(47)) { - if (readonly) { - this.raise(TSErrors.ReadonlyForMethodSignature, node); - } - const method = node; - if (method.kind && this.match(47)) { - this.raise(TSErrors.AccessorCannotHaveTypeParameters, this.state.curPosition()); - } - this.tsFillSignature(14, method); - this.tsParseTypeMemberSemicolon(); - const paramsKey = "parameters"; - const returnTypeKey = "typeAnnotation"; - if (method.kind === "get") { - if (method[paramsKey].length > 0) { - this.raise(Errors.BadGetterArity, this.state.curPosition()); - if (this.isThisParam(method[paramsKey][0])) { - this.raise(TSErrors.AccessorCannotDeclareThisParameter, this.state.curPosition()); - } - } - } else if (method.kind === "set") { - if (method[paramsKey].length !== 1) { - this.raise(Errors.BadSetterArity, this.state.curPosition()); - } else { - const firstParameter = method[paramsKey][0]; - if (this.isThisParam(firstParameter)) { - this.raise(TSErrors.AccessorCannotDeclareThisParameter, this.state.curPosition()); - } - if (firstParameter.type === "Identifier" && firstParameter.optional) { - this.raise(TSErrors.SetAccessorCannotHaveOptionalParameter, this.state.curPosition()); - } - if (firstParameter.type === "RestElement") { - this.raise(TSErrors.SetAccessorCannotHaveRestParameter, this.state.curPosition()); - } - } - if (method[returnTypeKey]) { - this.raise(TSErrors.SetAccessorCannotHaveReturnType, method[returnTypeKey]); - } - } else { - method.kind = "method"; - } - return this.finishNode(method, "TSMethodSignature"); - } else { - const property = node; - if (readonly) property.readonly = true; - const type = this.tsTryParseTypeAnnotation(); - if (type) property.typeAnnotation = type; - this.tsParseTypeMemberSemicolon(); - return this.finishNode(property, "TSPropertySignature"); - } - } - tsParseTypeMember() { - const node = this.startNode(); - if (this.match(10) || this.match(47)) { - return this.tsParseSignatureMember("TSCallSignatureDeclaration", node); - } - if (this.match(77)) { - const id = this.startNode(); - this.next(); - if (this.match(10) || this.match(47)) { - return this.tsParseSignatureMember("TSConstructSignatureDeclaration", node); - } else { - node.key = this.createIdentifier(id, "new"); - return this.tsParsePropertyOrMethodSignature(node, false); - } - } - this.tsParseModifiers({ - allowedModifiers: ["readonly"], - disallowedModifiers: ["declare", "abstract", "private", "protected", "public", "static", "override"] - }, node); - const idx = this.tsTryParseIndexSignature(node); - if (idx) { - return idx; - } - super.parsePropertyName(node); - if (!node.computed && node.key.type === "Identifier" && (node.key.name === "get" || node.key.name === "set") && this.tsTokenCanFollowModifier()) { - node.kind = node.key.name; - super.parsePropertyName(node); - if (!this.match(10) && !this.match(47)) { - this.unexpected(null, 10); - } - } - return this.tsParsePropertyOrMethodSignature(node, !!node.readonly); - } - tsParseTypeLiteral() { - const node = this.startNode(); - node.members = this.tsParseObjectTypeMembers(); - return this.finishNode(node, "TSTypeLiteral"); - } - tsParseObjectTypeMembers() { - this.expect(5); - const members = this.tsParseList("TypeMembers", this.tsParseTypeMember.bind(this)); - this.expect(8); - return members; - } - tsIsStartOfMappedType() { - this.next(); - if (this.eat(53)) { - return this.isContextual(122); - } - if (this.isContextual(122)) { - this.next(); - } - if (!this.match(0)) { - return false; - } - this.next(); - if (!this.tsIsIdentifier()) { - return false; - } - this.next(); - return this.match(58); - } - tsParseMappedType() { - const node = this.startNode(); - this.expect(5); - if (this.match(53)) { - node.readonly = this.state.value; - this.next(); - this.expectContextual(122); - } else if (this.eatContextual(122)) { - node.readonly = true; - } - this.expect(0); - const typeParameter = this.startNode(); - typeParameter.name = this.tsParseTypeParameterName(); - typeParameter.constraint = this.tsExpectThenParseType(58); - node.typeParameter = this.finishNode(typeParameter, "TSTypeParameter"); - node.nameType = this.eatContextual(93) ? this.tsParseType() : null; - this.expect(3); - if (this.match(53)) { - node.optional = this.state.value; - this.next(); - this.expect(17); - } else if (this.eat(17)) { - node.optional = true; - } - node.typeAnnotation = this.tsTryParseType(); - this.semicolon(); - this.expect(8); - return this.finishNode(node, "TSMappedType"); - } - tsParseTupleType() { - const node = this.startNode(); - node.elementTypes = this.tsParseBracketedList("TupleElementTypes", this.tsParseTupleElementType.bind(this), true, false); - let seenOptionalElement = false; - node.elementTypes.forEach(elementNode => { - const { - type - } = elementNode; - if (seenOptionalElement && type !== "TSRestType" && type !== "TSOptionalType" && !(type === "TSNamedTupleMember" && elementNode.optional)) { - this.raise(TSErrors.OptionalTypeBeforeRequired, elementNode); - } - seenOptionalElement || (seenOptionalElement = type === "TSNamedTupleMember" && elementNode.optional || type === "TSOptionalType"); - }); - return this.finishNode(node, "TSTupleType"); - } - tsParseTupleElementType() { - const restStartLoc = this.state.startLoc; - const rest = this.eat(21); - const { - startLoc - } = this.state; - let labeled; - let label; - let optional; - let type; - const isWord = tokenIsKeywordOrIdentifier(this.state.type); - const chAfterWord = isWord ? this.lookaheadCharCode() : null; - if (chAfterWord === 58) { - labeled = true; - optional = false; - label = this.parseIdentifier(true); - this.expect(14); - type = this.tsParseType(); - } else if (chAfterWord === 63) { - optional = true; - const wordName = this.state.value; - const typeOrLabel = this.tsParseNonArrayType(); - if (this.lookaheadCharCode() === 58) { - labeled = true; - label = this.createIdentifier(this.startNodeAt(startLoc), wordName); - this.expect(17); - this.expect(14); - type = this.tsParseType(); - } else { - labeled = false; - type = typeOrLabel; - this.expect(17); - } - } else { - type = this.tsParseType(); - optional = this.eat(17); - labeled = this.eat(14); - } - if (labeled) { - let labeledNode; - if (label) { - labeledNode = this.startNodeAt(startLoc); - labeledNode.optional = optional; - labeledNode.label = label; - labeledNode.elementType = type; - if (this.eat(17)) { - labeledNode.optional = true; - this.raise(TSErrors.TupleOptionalAfterType, this.state.lastTokStartLoc); - } - } else { - labeledNode = this.startNodeAt(startLoc); - labeledNode.optional = optional; - this.raise(TSErrors.InvalidTupleMemberLabel, type); - labeledNode.label = type; - labeledNode.elementType = this.tsParseType(); - } - type = this.finishNode(labeledNode, "TSNamedTupleMember"); - } else if (optional) { - const optionalTypeNode = this.startNodeAt(startLoc); - optionalTypeNode.typeAnnotation = type; - type = this.finishNode(optionalTypeNode, "TSOptionalType"); - } - if (rest) { - const restNode = this.startNodeAt(restStartLoc); - restNode.typeAnnotation = type; - type = this.finishNode(restNode, "TSRestType"); - } - return type; - } - tsParseParenthesizedType() { - const node = this.startNode(); - this.expect(10); - node.typeAnnotation = this.tsParseType(); - this.expect(11); - return this.finishNode(node, "TSParenthesizedType"); - } - tsParseFunctionOrConstructorType(type, abstract) { - const node = this.startNode(); - if (type === "TSConstructorType") { - node.abstract = !!abstract; - if (abstract) this.next(); - this.next(); - } - this.tsInAllowConditionalTypesContext(() => this.tsFillSignature(19, node)); - return this.finishNode(node, type); - } - tsParseLiteralTypeNode() { - const node = this.startNode(); - switch (this.state.type) { - case 135: - case 136: - case 134: - case 85: - case 86: - node.literal = super.parseExprAtom(); - break; - default: - this.unexpected(); - } - return this.finishNode(node, "TSLiteralType"); - } - tsParseTemplateLiteralType() { - const node = this.startNode(); - node.literal = super.parseTemplate(false); - return this.finishNode(node, "TSLiteralType"); - } - parseTemplateSubstitution() { - if (this.state.inType) return this.tsParseType(); - return super.parseTemplateSubstitution(); - } - tsParseThisTypeOrThisTypePredicate() { - const thisKeyword = this.tsParseThisTypeNode(); - if (this.isContextual(116) && !this.hasPrecedingLineBreak()) { - return this.tsParseThisTypePredicate(thisKeyword); - } else { - return thisKeyword; - } - } - tsParseNonArrayType() { - switch (this.state.type) { - case 134: - case 135: - case 136: - case 85: - case 86: - return this.tsParseLiteralTypeNode(); - case 53: - if (this.state.value === "-") { - const node = this.startNode(); - const nextToken = this.lookahead(); - if (nextToken.type !== 135 && nextToken.type !== 136) { - this.unexpected(); - } - node.literal = this.parseMaybeUnary(); - return this.finishNode(node, "TSLiteralType"); - } - break; - case 78: - return this.tsParseThisTypeOrThisTypePredicate(); - case 87: - return this.tsParseTypeQuery(); - case 83: - return this.tsParseImportType(); - case 5: - return this.tsLookAhead(this.tsIsStartOfMappedType.bind(this)) ? this.tsParseMappedType() : this.tsParseTypeLiteral(); - case 0: - return this.tsParseTupleType(); - case 10: - return this.tsParseParenthesizedType(); - case 25: - case 24: - return this.tsParseTemplateLiteralType(); - default: - { - const { - type - } = this.state; - if (tokenIsIdentifier(type) || type === 88 || type === 84) { - const nodeType = type === 88 ? "TSVoidKeyword" : type === 84 ? "TSNullKeyword" : keywordTypeFromName(this.state.value); - if (nodeType !== undefined && this.lookaheadCharCode() !== 46) { - const node = this.startNode(); - this.next(); - return this.finishNode(node, nodeType); - } - return this.tsParseTypeReference(); - } - } - } - throw this.unexpected(); - } - tsParseArrayTypeOrHigher() { - const { - startLoc - } = this.state; - let type = this.tsParseNonArrayType(); - while (!this.hasPrecedingLineBreak() && this.eat(0)) { - if (this.match(3)) { - const node = this.startNodeAt(startLoc); - node.elementType = type; - this.expect(3); - type = this.finishNode(node, "TSArrayType"); - } else { - const node = this.startNodeAt(startLoc); - node.objectType = type; - node.indexType = this.tsParseType(); - this.expect(3); - type = this.finishNode(node, "TSIndexedAccessType"); - } - } - return type; - } - tsParseTypeOperator() { - const node = this.startNode(); - const operator = this.state.value; - this.next(); - node.operator = operator; - node.typeAnnotation = this.tsParseTypeOperatorOrHigher(); - if (operator === "readonly") { - this.tsCheckTypeAnnotationForReadOnly(node); - } - return this.finishNode(node, "TSTypeOperator"); - } - tsCheckTypeAnnotationForReadOnly(node) { - switch (node.typeAnnotation.type) { - case "TSTupleType": - case "TSArrayType": - return; - default: - this.raise(TSErrors.UnexpectedReadonly, node); - } - } - tsParseInferType() { - const node = this.startNode(); - this.expectContextual(115); - const typeParameter = this.startNode(); - typeParameter.name = this.tsParseTypeParameterName(); - typeParameter.constraint = this.tsTryParse(() => this.tsParseConstraintForInferType()); - node.typeParameter = this.finishNode(typeParameter, "TSTypeParameter"); - return this.finishNode(node, "TSInferType"); - } - tsParseConstraintForInferType() { - if (this.eat(81)) { - const constraint = this.tsInDisallowConditionalTypesContext(() => this.tsParseType()); - if (this.state.inDisallowConditionalTypesContext || !this.match(17)) { - return constraint; - } - } - } - tsParseTypeOperatorOrHigher() { - const isTypeOperator = tokenIsTSTypeOperator(this.state.type) && !this.state.containsEsc; - return isTypeOperator ? this.tsParseTypeOperator() : this.isContextual(115) ? this.tsParseInferType() : this.tsInAllowConditionalTypesContext(() => this.tsParseArrayTypeOrHigher()); - } - tsParseUnionOrIntersectionType(kind, parseConstituentType, operator) { - const node = this.startNode(); - const hasLeadingOperator = this.eat(operator); - const types = []; - do { - types.push(parseConstituentType()); - } while (this.eat(operator)); - if (types.length === 1 && !hasLeadingOperator) { - return types[0]; - } - node.types = types; - return this.finishNode(node, kind); - } - tsParseIntersectionTypeOrHigher() { - return this.tsParseUnionOrIntersectionType("TSIntersectionType", this.tsParseTypeOperatorOrHigher.bind(this), 45); - } - tsParseUnionTypeOrHigher() { - return this.tsParseUnionOrIntersectionType("TSUnionType", this.tsParseIntersectionTypeOrHigher.bind(this), 43); - } - tsIsStartOfFunctionType() { - if (this.match(47)) { - return true; - } - return this.match(10) && this.tsLookAhead(this.tsIsUnambiguouslyStartOfFunctionType.bind(this)); - } - tsSkipParameterStart() { - if (tokenIsIdentifier(this.state.type) || this.match(78)) { - this.next(); - return true; - } - if (this.match(5)) { - const { - errors - } = this.state; - const previousErrorCount = errors.length; - try { - this.parseObjectLike(8, true); - return errors.length === previousErrorCount; - } catch (_unused) { - return false; - } - } - if (this.match(0)) { - this.next(); - const { - errors - } = this.state; - const previousErrorCount = errors.length; - try { - super.parseBindingList(3, 93, 1); - return errors.length === previousErrorCount; - } catch (_unused2) { - return false; - } - } - return false; - } - tsIsUnambiguouslyStartOfFunctionType() { - this.next(); - if (this.match(11) || this.match(21)) { - return true; - } - if (this.tsSkipParameterStart()) { - if (this.match(14) || this.match(12) || this.match(17) || this.match(29)) { - return true; - } - if (this.match(11)) { - this.next(); - if (this.match(19)) { - return true; - } - } - } - return false; - } - tsParseTypeOrTypePredicateAnnotation(returnToken) { - return this.tsInType(() => { - const t = this.startNode(); - this.expect(returnToken); - const node = this.startNode(); - const asserts = !!this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this)); - if (asserts && this.match(78)) { - let thisTypePredicate = this.tsParseThisTypeOrThisTypePredicate(); - if (thisTypePredicate.type === "TSThisType") { - node.parameterName = thisTypePredicate; - node.asserts = true; - node.typeAnnotation = null; - thisTypePredicate = this.finishNode(node, "TSTypePredicate"); - } else { - this.resetStartLocationFromNode(thisTypePredicate, node); - thisTypePredicate.asserts = true; - } - t.typeAnnotation = thisTypePredicate; - return this.finishNode(t, "TSTypeAnnotation"); - } - const typePredicateVariable = this.tsIsIdentifier() && this.tsTryParse(this.tsParseTypePredicatePrefix.bind(this)); - if (!typePredicateVariable) { - if (!asserts) { - return this.tsParseTypeAnnotation(false, t); - } - node.parameterName = this.parseIdentifier(); - node.asserts = asserts; - node.typeAnnotation = null; - t.typeAnnotation = this.finishNode(node, "TSTypePredicate"); - return this.finishNode(t, "TSTypeAnnotation"); - } - const type = this.tsParseTypeAnnotation(false); - node.parameterName = typePredicateVariable; - node.typeAnnotation = type; - node.asserts = asserts; - t.typeAnnotation = this.finishNode(node, "TSTypePredicate"); - return this.finishNode(t, "TSTypeAnnotation"); - }); - } - tsTryParseTypeOrTypePredicateAnnotation() { - if (this.match(14)) { - return this.tsParseTypeOrTypePredicateAnnotation(14); - } - } - tsTryParseTypeAnnotation() { - if (this.match(14)) { - return this.tsParseTypeAnnotation(); - } - } - tsTryParseType() { - return this.tsEatThenParseType(14); - } - tsParseTypePredicatePrefix() { - const id = this.parseIdentifier(); - if (this.isContextual(116) && !this.hasPrecedingLineBreak()) { - this.next(); - return id; - } - } - tsParseTypePredicateAsserts() { - if (this.state.type !== 109) { - return false; - } - const containsEsc = this.state.containsEsc; - this.next(); - if (!tokenIsIdentifier(this.state.type) && !this.match(78)) { - return false; - } - if (containsEsc) { - this.raise(Errors.InvalidEscapedReservedWord, this.state.lastTokStartLoc, { - reservedWord: "asserts" - }); - } - return true; - } - tsParseTypeAnnotation(eatColon = true, t = this.startNode()) { - this.tsInType(() => { - if (eatColon) this.expect(14); - t.typeAnnotation = this.tsParseType(); - }); - return this.finishNode(t, "TSTypeAnnotation"); - } - tsParseType() { - assert(this.state.inType); - const type = this.tsParseNonConditionalType(); - if (this.state.inDisallowConditionalTypesContext || this.hasPrecedingLineBreak() || !this.eat(81)) { - return type; - } - const node = this.startNodeAtNode(type); - node.checkType = type; - node.extendsType = this.tsInDisallowConditionalTypesContext(() => this.tsParseNonConditionalType()); - this.expect(17); - node.trueType = this.tsInAllowConditionalTypesContext(() => this.tsParseType()); - this.expect(14); - node.falseType = this.tsInAllowConditionalTypesContext(() => this.tsParseType()); - return this.finishNode(node, "TSConditionalType"); - } - isAbstractConstructorSignature() { - return this.isContextual(124) && this.isLookaheadContextual("new"); - } - tsParseNonConditionalType() { - if (this.tsIsStartOfFunctionType()) { - return this.tsParseFunctionOrConstructorType("TSFunctionType"); - } - if (this.match(77)) { - return this.tsParseFunctionOrConstructorType("TSConstructorType"); - } else if (this.isAbstractConstructorSignature()) { - return this.tsParseFunctionOrConstructorType("TSConstructorType", true); - } - return this.tsParseUnionTypeOrHigher(); - } - tsParseTypeAssertion() { - if (this.getPluginOption("typescript", "disallowAmbiguousJSXLike")) { - this.raise(TSErrors.ReservedTypeAssertion, this.state.startLoc); - } - const node = this.startNode(); - node.typeAnnotation = this.tsInType(() => { - this.next(); - return this.match(75) ? this.tsParseTypeReference() : this.tsParseType(); - }); - this.expect(48); - node.expression = this.parseMaybeUnary(); - return this.finishNode(node, "TSTypeAssertion"); - } - tsParseHeritageClause(token) { - const originalStartLoc = this.state.startLoc; - const delimitedList = this.tsParseDelimitedList("HeritageClauseElement", () => { - const node = this.startNode(); - node.expression = this.tsParseEntityName(1 | 2); - if (this.match(47)) { - node.typeParameters = this.tsParseTypeArguments(); - } - return this.finishNode(node, "TSExpressionWithTypeArguments"); - }); - if (!delimitedList.length) { - this.raise(TSErrors.EmptyHeritageClauseType, originalStartLoc, { - token - }); - } - return delimitedList; - } - tsParseInterfaceDeclaration(node, properties = {}) { - if (this.hasFollowingLineBreak()) return null; - this.expectContextual(129); - if (properties.declare) node.declare = true; - if (tokenIsIdentifier(this.state.type)) { - node.id = this.parseIdentifier(); - this.checkIdentifier(node.id, 130); - } else { - node.id = null; - this.raise(TSErrors.MissingInterfaceName, this.state.startLoc); - } - node.typeParameters = this.tsTryParseTypeParameters(this.tsParseInOutConstModifiers); - if (this.eat(81)) { - node.extends = this.tsParseHeritageClause("extends"); - } - const body = this.startNode(); - body.body = this.tsInType(this.tsParseObjectTypeMembers.bind(this)); - node.body = this.finishNode(body, "TSInterfaceBody"); - return this.finishNode(node, "TSInterfaceDeclaration"); - } - tsParseTypeAliasDeclaration(node) { - node.id = this.parseIdentifier(); - this.checkIdentifier(node.id, 2); - node.typeAnnotation = this.tsInType(() => { - node.typeParameters = this.tsTryParseTypeParameters(this.tsParseInOutModifiers); - this.expect(29); - if (this.isContextual(114) && this.lookaheadCharCode() !== 46) { - const node = this.startNode(); - this.next(); - return this.finishNode(node, "TSIntrinsicKeyword"); - } - return this.tsParseType(); - }); - this.semicolon(); - return this.finishNode(node, "TSTypeAliasDeclaration"); - } - tsInTopLevelContext(cb) { - if (this.curContext() !== types.brace) { - const oldContext = this.state.context; - this.state.context = [oldContext[0]]; - try { - return cb(); - } finally { - this.state.context = oldContext; - } - } else { - return cb(); - } - } - tsInType(cb) { - const oldInType = this.state.inType; - this.state.inType = true; - try { - return cb(); - } finally { - this.state.inType = oldInType; - } - } - tsInDisallowConditionalTypesContext(cb) { - const oldInDisallowConditionalTypesContext = this.state.inDisallowConditionalTypesContext; - this.state.inDisallowConditionalTypesContext = true; - try { - return cb(); - } finally { - this.state.inDisallowConditionalTypesContext = oldInDisallowConditionalTypesContext; - } - } - tsInAllowConditionalTypesContext(cb) { - const oldInDisallowConditionalTypesContext = this.state.inDisallowConditionalTypesContext; - this.state.inDisallowConditionalTypesContext = false; - try { - return cb(); - } finally { - this.state.inDisallowConditionalTypesContext = oldInDisallowConditionalTypesContext; - } - } - tsEatThenParseType(token) { - if (this.match(token)) { - return this.tsNextThenParseType(); - } - } - tsExpectThenParseType(token) { - return this.tsInType(() => { - this.expect(token); - return this.tsParseType(); - }); - } - tsNextThenParseType() { - return this.tsInType(() => { - this.next(); - return this.tsParseType(); - }); - } - tsParseEnumMember() { - const node = this.startNode(); - node.id = this.match(134) ? super.parseStringLiteral(this.state.value) : this.parseIdentifier(true); - if (this.eat(29)) { - node.initializer = super.parseMaybeAssignAllowIn(); - } - return this.finishNode(node, "TSEnumMember"); - } - tsParseEnumDeclaration(node, properties = {}) { - if (properties.const) node.const = true; - if (properties.declare) node.declare = true; - this.expectContextual(126); - node.id = this.parseIdentifier(); - this.checkIdentifier(node.id, node.const ? 8971 : 8459); - this.expect(5); - node.members = this.tsParseDelimitedList("EnumMembers", this.tsParseEnumMember.bind(this)); - this.expect(8); - return this.finishNode(node, "TSEnumDeclaration"); - } - tsParseEnumBody() { - const node = this.startNode(); - this.expect(5); - node.members = this.tsParseDelimitedList("EnumMembers", this.tsParseEnumMember.bind(this)); - this.expect(8); - return this.finishNode(node, "TSEnumBody"); - } - tsParseModuleBlock() { - const node = this.startNode(); - this.scope.enter(0); - this.expect(5); - super.parseBlockOrModuleBlockBody(node.body = [], undefined, true, 8); - this.scope.exit(); - return this.finishNode(node, "TSModuleBlock"); - } - tsParseModuleOrNamespaceDeclaration(node, nested = false) { - node.id = this.parseIdentifier(); - if (!nested) { - this.checkIdentifier(node.id, 1024); - } - if (this.eat(16)) { - const inner = this.startNode(); - this.tsParseModuleOrNamespaceDeclaration(inner, true); - node.body = inner; - } else { - this.scope.enter(1024); - this.prodParam.enter(0); - node.body = this.tsParseModuleBlock(); - this.prodParam.exit(); - this.scope.exit(); - } - return this.finishNode(node, "TSModuleDeclaration"); - } - tsParseAmbientExternalModuleDeclaration(node) { - if (this.isContextual(112)) { - node.kind = "global"; - node.global = true; - node.id = this.parseIdentifier(); - } else if (this.match(134)) { - node.kind = "module"; - node.id = super.parseStringLiteral(this.state.value); - } else { - this.unexpected(); - } - if (this.match(5)) { - this.scope.enter(1024); - this.prodParam.enter(0); - node.body = this.tsParseModuleBlock(); - this.prodParam.exit(); - this.scope.exit(); - } else { - this.semicolon(); - } - return this.finishNode(node, "TSModuleDeclaration"); - } - tsParseImportEqualsDeclaration(node, maybeDefaultIdentifier, isExport) { - node.isExport = isExport || false; - node.id = maybeDefaultIdentifier || this.parseIdentifier(); - this.checkIdentifier(node.id, 4096); - this.expect(29); - const moduleReference = this.tsParseModuleReference(); - if (node.importKind === "type" && moduleReference.type !== "TSExternalModuleReference") { - this.raise(TSErrors.ImportAliasHasImportType, moduleReference); - } - node.moduleReference = moduleReference; - this.semicolon(); - return this.finishNode(node, "TSImportEqualsDeclaration"); - } - tsIsExternalModuleReference() { - return this.isContextual(119) && this.lookaheadCharCode() === 40; - } - tsParseModuleReference() { - return this.tsIsExternalModuleReference() ? this.tsParseExternalModuleReference() : this.tsParseEntityName(0); - } - tsParseExternalModuleReference() { - const node = this.startNode(); - this.expectContextual(119); - this.expect(10); - if (!this.match(134)) { - this.unexpected(); - } - node.expression = super.parseExprAtom(); - this.expect(11); - this.sawUnambiguousESM = true; - return this.finishNode(node, "TSExternalModuleReference"); - } - tsLookAhead(f) { - const state = this.state.clone(); - const res = f(); - this.state = state; - return res; - } - tsTryParseAndCatch(f) { - const result = this.tryParse(abort => f() || abort()); - if (result.aborted || !result.node) return; - if (result.error) this.state = result.failState; - return result.node; - } - tsTryParse(f) { - const state = this.state.clone(); - const result = f(); - if (result !== undefined && result !== false) { - return result; - } - this.state = state; - } - tsTryParseDeclare(node) { - if (this.isLineTerminator()) { - return; - } - const startType = this.state.type; - return this.tsInAmbientContext(() => { - switch (startType) { - case 68: - node.declare = true; - return super.parseFunctionStatement(node, false, false); - case 80: - node.declare = true; - return this.parseClass(node, true, false); - case 126: - return this.tsParseEnumDeclaration(node, { - declare: true - }); - case 112: - return this.tsParseAmbientExternalModuleDeclaration(node); - case 100: - if (this.state.containsEsc) { - return; - } - case 75: - case 74: - if (!this.match(75) || !this.isLookaheadContextual("enum")) { - node.declare = true; - return this.parseVarStatement(node, this.state.value, true); - } - this.expect(75); - return this.tsParseEnumDeclaration(node, { - const: true, - declare: true - }); - case 107: - if (this.isUsing()) { - this.raise(TSErrors.InvalidModifierOnUsingDeclaration, this.state.startLoc, "declare"); - node.declare = true; - return this.parseVarStatement(node, "using", true); - } - break; - case 96: - if (this.isAwaitUsing()) { - this.raise(TSErrors.InvalidModifierOnAwaitUsingDeclaration, this.state.startLoc, "declare"); - node.declare = true; - this.next(); - return this.parseVarStatement(node, "await using", true); - } - break; - case 129: - { - const result = this.tsParseInterfaceDeclaration(node, { - declare: true - }); - if (result) return result; - } - default: - if (tokenIsIdentifier(startType)) { - return this.tsParseDeclaration(node, this.state.type, true, null); - } - } - }); - } - tsTryParseExportDeclaration() { - return this.tsParseDeclaration(this.startNode(), this.state.type, true, null); - } - tsParseDeclaration(node, type, next, decorators) { - switch (type) { - case 124: - if (this.tsCheckLineTerminator(next) && (this.match(80) || tokenIsIdentifier(this.state.type))) { - return this.tsParseAbstractDeclaration(node, decorators); - } - break; - case 127: - if (this.tsCheckLineTerminator(next)) { - if (this.match(134)) { - return this.tsParseAmbientExternalModuleDeclaration(node); - } else if (tokenIsIdentifier(this.state.type)) { - node.kind = "module"; - return this.tsParseModuleOrNamespaceDeclaration(node); - } - } - break; - case 128: - if (this.tsCheckLineTerminator(next) && tokenIsIdentifier(this.state.type)) { - node.kind = "namespace"; - return this.tsParseModuleOrNamespaceDeclaration(node); - } - break; - case 130: - if (this.tsCheckLineTerminator(next) && tokenIsIdentifier(this.state.type)) { - return this.tsParseTypeAliasDeclaration(node); - } - break; - } - } - tsCheckLineTerminator(next) { - if (next) { - if (this.hasFollowingLineBreak()) return false; - this.next(); - return true; - } - return !this.isLineTerminator(); - } - tsTryParseGenericAsyncArrowFunction(startLoc) { - if (!this.match(47)) return; - const oldMaybeInArrowParameters = this.state.maybeInArrowParameters; - this.state.maybeInArrowParameters = true; - const res = this.tsTryParseAndCatch(() => { - const node = this.startNodeAt(startLoc); - node.typeParameters = this.tsParseTypeParameters(this.tsParseConstModifier); - super.parseFunctionParams(node); - node.returnType = this.tsTryParseTypeOrTypePredicateAnnotation(); - this.expect(19); - return node; - }); - this.state.maybeInArrowParameters = oldMaybeInArrowParameters; - if (!res) return; - return super.parseArrowExpression(res, null, true); - } - tsParseTypeArgumentsInExpression() { - if (this.reScan_lt() !== 47) return; - return this.tsParseTypeArguments(); - } - tsParseTypeArguments() { - const node = this.startNode(); - node.params = this.tsInType(() => this.tsInTopLevelContext(() => { - this.expect(47); - return this.tsParseDelimitedList("TypeParametersOrArguments", this.tsParseType.bind(this)); - })); - if (node.params.length === 0) { - this.raise(TSErrors.EmptyTypeArguments, node); - } else if (!this.state.inType && this.curContext() === types.brace) { - this.reScan_lt_gt(); - } - this.expect(48); - return this.finishNode(node, "TSTypeParameterInstantiation"); - } - tsIsDeclarationStart() { - return tokenIsTSDeclarationStart(this.state.type); - } - isExportDefaultSpecifier() { - if (this.tsIsDeclarationStart()) return false; - return super.isExportDefaultSpecifier(); - } - parseBindingElement(flags, decorators) { - const startLoc = decorators.length ? decorators[0].loc.start : this.state.startLoc; - const modified = {}; - this.tsParseModifiers({ - allowedModifiers: ["public", "private", "protected", "override", "readonly"] - }, modified); - const accessibility = modified.accessibility; - const override = modified.override; - const readonly = modified.readonly; - if (!(flags & 4) && (accessibility || readonly || override)) { - this.raise(TSErrors.UnexpectedParameterModifier, startLoc); - } - const left = this.parseMaybeDefault(); - if (flags & 2) { - this.parseFunctionParamType(left); - } - const elt = this.parseMaybeDefault(left.loc.start, left); - if (accessibility || readonly || override) { - const pp = this.startNodeAt(startLoc); - if (decorators.length) { - pp.decorators = decorators; - } - if (accessibility) pp.accessibility = accessibility; - if (readonly) pp.readonly = readonly; - if (override) pp.override = override; - if (elt.type !== "Identifier" && elt.type !== "AssignmentPattern") { - this.raise(TSErrors.UnsupportedParameterPropertyKind, pp); - } - pp.parameter = elt; - return this.finishNode(pp, "TSParameterProperty"); - } - if (decorators.length) { - left.decorators = decorators; - } - return elt; - } - isSimpleParameter(node) { - return node.type === "TSParameterProperty" && super.isSimpleParameter(node.parameter) || super.isSimpleParameter(node); - } - tsDisallowOptionalPattern(node) { - for (const param of node.params) { - if (param.type !== "Identifier" && param.optional && !this.state.isAmbientContext) { - this.raise(TSErrors.PatternIsOptional, param); - } - } - } - setArrowFunctionParameters(node, params, trailingCommaLoc) { - super.setArrowFunctionParameters(node, params, trailingCommaLoc); - this.tsDisallowOptionalPattern(node); - } - parseFunctionBodyAndFinish(node, type, isMethod = false) { - if (this.match(14)) { - node.returnType = this.tsParseTypeOrTypePredicateAnnotation(14); - } - const bodilessType = type === "FunctionDeclaration" ? "TSDeclareFunction" : type === "ClassMethod" || type === "ClassPrivateMethod" ? "TSDeclareMethod" : undefined; - if (bodilessType && !this.match(5) && this.isLineTerminator()) { - return this.finishNode(node, bodilessType); - } - if (bodilessType === "TSDeclareFunction" && this.state.isAmbientContext) { - this.raise(TSErrors.DeclareFunctionHasImplementation, node); - if (node.declare) { - return super.parseFunctionBodyAndFinish(node, bodilessType, isMethod); - } - } - this.tsDisallowOptionalPattern(node); - return super.parseFunctionBodyAndFinish(node, type, isMethod); - } - registerFunctionStatementId(node) { - if (!node.body && node.id) { - this.checkIdentifier(node.id, 1024); - } else { - super.registerFunctionStatementId(node); - } - } - tsCheckForInvalidTypeCasts(items) { - items.forEach(node => { - if ((node == null ? void 0 : node.type) === "TSTypeCastExpression") { - this.raise(TSErrors.UnexpectedTypeAnnotation, node.typeAnnotation); - } - }); - } - toReferencedList(exprList, isInParens) { - this.tsCheckForInvalidTypeCasts(exprList); - return exprList; - } - parseArrayLike(close, isTuple, refExpressionErrors) { - const node = super.parseArrayLike(close, isTuple, refExpressionErrors); - if (node.type === "ArrayExpression") { - this.tsCheckForInvalidTypeCasts(node.elements); - } - return node; - } - parseSubscript(base, startLoc, noCalls, state) { - if (!this.hasPrecedingLineBreak() && this.match(35)) { - this.state.canStartJSXElement = false; - this.next(); - const nonNullExpression = this.startNodeAt(startLoc); - nonNullExpression.expression = base; - return this.finishNode(nonNullExpression, "TSNonNullExpression"); - } - let isOptionalCall = false; - if (this.match(18) && this.lookaheadCharCode() === 60) { - if (noCalls) { - state.stop = true; - return base; - } - state.optionalChainMember = isOptionalCall = true; - this.next(); - } - if (this.match(47) || this.match(51)) { - let missingParenErrorLoc; - const result = this.tsTryParseAndCatch(() => { - if (!noCalls && this.atPossibleAsyncArrow(base)) { - const asyncArrowFn = this.tsTryParseGenericAsyncArrowFunction(startLoc); - if (asyncArrowFn) { - state.stop = true; - return asyncArrowFn; - } - } - const typeArguments = this.tsParseTypeArgumentsInExpression(); - if (!typeArguments) return; - if (isOptionalCall && !this.match(10)) { - missingParenErrorLoc = this.state.curPosition(); - return; - } - if (tokenIsTemplate(this.state.type)) { - const result = super.parseTaggedTemplateExpression(base, startLoc, state); - result.typeParameters = typeArguments; - return result; - } - if (!noCalls && this.eat(10)) { - const node = this.startNodeAt(startLoc); - node.callee = base; - node.arguments = this.parseCallExpressionArguments(); - this.tsCheckForInvalidTypeCasts(node.arguments); - node.typeParameters = typeArguments; - if (state.optionalChainMember) { - node.optional = isOptionalCall; - } - return this.finishCallExpression(node, state.optionalChainMember); - } - const tokenType = this.state.type; - if (tokenType === 48 || tokenType === 52 || tokenType !== 10 && tokenType !== 93 && tokenType !== 120 && tokenCanStartExpression(tokenType) && !this.hasPrecedingLineBreak()) { - return; - } - const node = this.startNodeAt(startLoc); - node.expression = base; - node.typeParameters = typeArguments; - return this.finishNode(node, "TSInstantiationExpression"); - }); - if (missingParenErrorLoc) { - this.unexpected(missingParenErrorLoc, 10); - } - if (result) { - if (result.type === "TSInstantiationExpression") { - if (this.match(16) || this.match(18) && this.lookaheadCharCode() !== 40) { - this.raise(TSErrors.InvalidPropertyAccessAfterInstantiationExpression, this.state.startLoc); - } - if (!this.match(16) && !this.match(18)) { - result.expression = super.stopParseSubscript(base, state); - } - } - return result; - } - } - return super.parseSubscript(base, startLoc, noCalls, state); - } - parseNewCallee(node) { - var _callee$extra; - super.parseNewCallee(node); - const { - callee - } = node; - if (callee.type === "TSInstantiationExpression" && !((_callee$extra = callee.extra) != null && _callee$extra.parenthesized)) { - node.typeParameters = callee.typeParameters; - node.callee = callee.expression; - } - } - parseExprOp(left, leftStartLoc, minPrec) { - let isSatisfies; - if (tokenOperatorPrecedence(58) > minPrec && !this.hasPrecedingLineBreak() && (this.isContextual(93) || (isSatisfies = this.isContextual(120)))) { - const node = this.startNodeAt(leftStartLoc); - node.expression = left; - node.typeAnnotation = this.tsInType(() => { - this.next(); - if (this.match(75)) { - if (isSatisfies) { - this.raise(Errors.UnexpectedKeyword, this.state.startLoc, { - keyword: "const" - }); - } - return this.tsParseTypeReference(); - } - return this.tsParseType(); - }); - this.finishNode(node, isSatisfies ? "TSSatisfiesExpression" : "TSAsExpression"); - this.reScan_lt_gt(); - return this.parseExprOp(node, leftStartLoc, minPrec); - } - return super.parseExprOp(left, leftStartLoc, minPrec); - } - checkReservedWord(word, startLoc, checkKeywords, isBinding) { - if (!this.state.isAmbientContext) { - super.checkReservedWord(word, startLoc, checkKeywords, isBinding); - } - } - checkImportReflection(node) { - super.checkImportReflection(node); - if (node.module && node.importKind !== "value") { - this.raise(TSErrors.ImportReflectionHasImportType, node.specifiers[0].loc.start); - } - } - checkDuplicateExports() {} - isPotentialImportPhase(isExport) { - if (super.isPotentialImportPhase(isExport)) return true; - if (this.isContextual(130)) { - const ch = this.lookaheadCharCode(); - return isExport ? ch === 123 || ch === 42 : ch !== 61; - } - return !isExport && this.isContextual(87); - } - applyImportPhase(node, isExport, phase, loc) { - super.applyImportPhase(node, isExport, phase, loc); - if (isExport) { - node.exportKind = phase === "type" ? "type" : "value"; - } else { - node.importKind = phase === "type" || phase === "typeof" ? phase : "value"; - } - } - parseImport(node) { - if (this.match(134)) { - node.importKind = "value"; - return super.parseImport(node); - } - let importNode; - if (tokenIsIdentifier(this.state.type) && this.lookaheadCharCode() === 61) { - node.importKind = "value"; - return this.tsParseImportEqualsDeclaration(node); - } else if (this.isContextual(130)) { - const maybeDefaultIdentifier = this.parseMaybeImportPhase(node, false); - if (this.lookaheadCharCode() === 61) { - return this.tsParseImportEqualsDeclaration(node, maybeDefaultIdentifier); - } else { - importNode = super.parseImportSpecifiersAndAfter(node, maybeDefaultIdentifier); - } - } else { - importNode = super.parseImport(node); - } - if (importNode.importKind === "type" && importNode.specifiers.length > 1 && importNode.specifiers[0].type === "ImportDefaultSpecifier") { - this.raise(TSErrors.TypeImportCannotSpecifyDefaultAndNamed, importNode); - } - return importNode; - } - parseExport(node, decorators) { - if (this.match(83)) { - const nodeImportEquals = node; - this.next(); - let maybeDefaultIdentifier = null; - if (this.isContextual(130) && this.isPotentialImportPhase(false)) { - maybeDefaultIdentifier = this.parseMaybeImportPhase(nodeImportEquals, false); - } else { - nodeImportEquals.importKind = "value"; - } - const declaration = this.tsParseImportEqualsDeclaration(nodeImportEquals, maybeDefaultIdentifier, true); - return declaration; - } else if (this.eat(29)) { - const assign = node; - assign.expression = super.parseExpression(); - this.semicolon(); - this.sawUnambiguousESM = true; - return this.finishNode(assign, "TSExportAssignment"); - } else if (this.eatContextual(93)) { - const decl = node; - this.expectContextual(128); - decl.id = this.parseIdentifier(); - this.semicolon(); - return this.finishNode(decl, "TSNamespaceExportDeclaration"); - } else { - return super.parseExport(node, decorators); - } - } - isAbstractClass() { - return this.isContextual(124) && this.isLookaheadContextual("class"); - } - parseExportDefaultExpression() { - if (this.isAbstractClass()) { - const cls = this.startNode(); - this.next(); - cls.abstract = true; - return this.parseClass(cls, true, true); - } - if (this.match(129)) { - const result = this.tsParseInterfaceDeclaration(this.startNode()); - if (result) return result; - } - return super.parseExportDefaultExpression(); - } - parseVarStatement(node, kind, allowMissingInitializer = false) { - const { - isAmbientContext - } = this.state; - const declaration = super.parseVarStatement(node, kind, allowMissingInitializer || isAmbientContext); - if (!isAmbientContext) return declaration; - if (!node.declare && (kind === "using" || kind === "await using")) { - this.raiseOverwrite(TSErrors.UsingDeclarationInAmbientContext, node, kind); - return declaration; - } - for (const { - id, - init - } of declaration.declarations) { - if (!init) continue; - if (kind === "var" || kind === "let" || !!id.typeAnnotation) { - this.raise(TSErrors.InitializerNotAllowedInAmbientContext, init); - } else if (!isValidAmbientConstInitializer(init, this.hasPlugin("estree"))) { - this.raise(TSErrors.ConstInitializerMustBeStringOrNumericLiteralOrLiteralEnumReference, init); - } - } - return declaration; - } - parseStatementContent(flags, decorators) { - if (!this.state.containsEsc) { - switch (this.state.type) { - case 75: - { - if (this.isLookaheadContextual("enum")) { - const node = this.startNode(); - this.expect(75); - return this.tsParseEnumDeclaration(node, { - const: true - }); - } - break; - } - case 124: - case 125: - { - if (this.nextTokenIsIdentifierAndNotTSRelationalOperatorOnSameLine()) { - const token = this.state.type; - const node = this.startNode(); - this.next(); - const declaration = token === 125 ? this.tsTryParseDeclare(node) : this.tsParseAbstractDeclaration(node, decorators); - if (declaration) { - if (token === 125) { - declaration.declare = true; - } - return declaration; - } else { - node.expression = this.createIdentifier(this.startNodeAt(node.loc.start), token === 125 ? "declare" : "abstract"); - this.semicolon(false); - return this.finishNode(node, "ExpressionStatement"); - } - } - break; - } - case 126: - return this.tsParseEnumDeclaration(this.startNode()); - case 112: - { - const nextCh = this.lookaheadCharCode(); - if (nextCh === 123) { - const node = this.startNode(); - return this.tsParseAmbientExternalModuleDeclaration(node); - } - break; - } - case 129: - { - const result = this.tsParseInterfaceDeclaration(this.startNode()); - if (result) return result; - break; - } - case 127: - { - if (this.nextTokenIsIdentifierOrStringLiteralOnSameLine()) { - const node = this.startNode(); - this.next(); - return this.tsParseDeclaration(node, 127, false, decorators); - } - break; - } - case 128: - { - if (this.nextTokenIsIdentifierOnSameLine()) { - const node = this.startNode(); - this.next(); - return this.tsParseDeclaration(node, 128, false, decorators); - } - break; - } - case 130: - { - if (this.nextTokenIsIdentifierOnSameLine()) { - const node = this.startNode(); - this.next(); - return this.tsParseTypeAliasDeclaration(node); - } - break; - } - } - } - return super.parseStatementContent(flags, decorators); - } - parseAccessModifier() { - return this.tsParseModifier(["public", "protected", "private"]); - } - tsHasSomeModifiers(member, modifiers) { - return modifiers.some(modifier => { - if (tsIsAccessModifier(modifier)) { - return member.accessibility === modifier; - } - return !!member[modifier]; - }); - } - tsIsStartOfStaticBlocks() { - return this.isContextual(106) && this.lookaheadCharCode() === 123; - } - parseClassMember(classBody, member, state) { - const modifiers = ["declare", "private", "public", "protected", "override", "abstract", "readonly", "static"]; - this.tsParseModifiers({ - allowedModifiers: modifiers, - disallowedModifiers: ["in", "out"], - stopOnStartOfClassStaticBlock: true, - errorTemplate: TSErrors.InvalidModifierOnTypeParameterPositions - }, member); - const callParseClassMemberWithIsStatic = () => { - if (this.tsIsStartOfStaticBlocks()) { - this.next(); - this.next(); - if (this.tsHasSomeModifiers(member, modifiers)) { - this.raise(TSErrors.StaticBlockCannotHaveModifier, this.state.curPosition()); - } - super.parseClassStaticBlock(classBody, member); - } else { - this.parseClassMemberWithIsStatic(classBody, member, state, !!member.static); - } - }; - if (member.declare) { - this.tsInAmbientContext(callParseClassMemberWithIsStatic); - } else { - callParseClassMemberWithIsStatic(); - } - } - parseClassMemberWithIsStatic(classBody, member, state, isStatic) { - const idx = this.tsTryParseIndexSignature(member); - if (idx) { - classBody.body.push(idx); - if (member.abstract) { - this.raise(TSErrors.IndexSignatureHasAbstract, member); - } - if (member.accessibility) { - this.raise(TSErrors.IndexSignatureHasAccessibility, member, { - modifier: member.accessibility - }); - } - if (member.declare) { - this.raise(TSErrors.IndexSignatureHasDeclare, member); - } - if (member.override) { - this.raise(TSErrors.IndexSignatureHasOverride, member); - } - return; - } - if (!this.state.inAbstractClass && member.abstract) { - this.raise(TSErrors.NonAbstractClassHasAbstractMethod, member); - } - if (member.override) { - if (!state.hadSuperClass) { - this.raise(TSErrors.OverrideNotInSubClass, member); - } - } - super.parseClassMemberWithIsStatic(classBody, member, state, isStatic); - } - parsePostMemberNameModifiers(methodOrProp) { - const optional = this.eat(17); - if (optional) methodOrProp.optional = true; - if (methodOrProp.readonly && this.match(10)) { - this.raise(TSErrors.ClassMethodHasReadonly, methodOrProp); - } - if (methodOrProp.declare && this.match(10)) { - this.raise(TSErrors.ClassMethodHasDeclare, methodOrProp); - } - } - shouldParseExportDeclaration() { - if (this.tsIsDeclarationStart()) return true; - return super.shouldParseExportDeclaration(); - } - parseConditional(expr, startLoc, refExpressionErrors) { - if (!this.match(17)) return expr; - if (this.state.maybeInArrowParameters) { - const nextCh = this.lookaheadCharCode(); - if (nextCh === 44 || nextCh === 61 || nextCh === 58 || nextCh === 41) { - this.setOptionalParametersError(refExpressionErrors); - return expr; - } - } - return super.parseConditional(expr, startLoc, refExpressionErrors); - } - parseParenItem(node, startLoc) { - const newNode = super.parseParenItem(node, startLoc); - if (this.eat(17)) { - newNode.optional = true; - this.resetEndLocation(node); - } - if (this.match(14)) { - const typeCastNode = this.startNodeAt(startLoc); - typeCastNode.expression = node; - typeCastNode.typeAnnotation = this.tsParseTypeAnnotation(); - return this.finishNode(typeCastNode, "TSTypeCastExpression"); - } - return node; - } - parseExportDeclaration(node) { - if (!this.state.isAmbientContext && this.isContextual(125)) { - return this.tsInAmbientContext(() => this.parseExportDeclaration(node)); - } - const startLoc = this.state.startLoc; - const isDeclare = this.eatContextual(125); - if (isDeclare && (this.isContextual(125) || !this.shouldParseExportDeclaration())) { - throw this.raise(TSErrors.ExpectedAmbientAfterExportDeclare, this.state.startLoc); - } - const isIdentifier = tokenIsIdentifier(this.state.type); - const declaration = isIdentifier && this.tsTryParseExportDeclaration() || super.parseExportDeclaration(node); - if (!declaration) return null; - if (declaration.type === "TSInterfaceDeclaration" || declaration.type === "TSTypeAliasDeclaration" || isDeclare) { - node.exportKind = "type"; - } - if (isDeclare && declaration.type !== "TSImportEqualsDeclaration") { - this.resetStartLocation(declaration, startLoc); - declaration.declare = true; - } - return declaration; - } - parseClassId(node, isStatement, optionalId, bindingType) { - if ((!isStatement || optionalId) && this.isContextual(113)) { - return; - } - super.parseClassId(node, isStatement, optionalId, node.declare ? 1024 : 8331); - const typeParameters = this.tsTryParseTypeParameters(this.tsParseInOutConstModifiers); - if (typeParameters) node.typeParameters = typeParameters; - } - parseClassPropertyAnnotation(node) { - if (!node.optional) { - if (this.eat(35)) { - node.definite = true; - } else if (this.eat(17)) { - node.optional = true; - } - } - const type = this.tsTryParseTypeAnnotation(); - if (type) node.typeAnnotation = type; - } - parseClassProperty(node) { - this.parseClassPropertyAnnotation(node); - if (this.state.isAmbientContext && !(node.readonly && !node.typeAnnotation) && this.match(29)) { - this.raise(TSErrors.DeclareClassFieldHasInitializer, this.state.startLoc); - } - if (node.abstract && this.match(29)) { - const { - key - } = node; - this.raise(TSErrors.AbstractPropertyHasInitializer, this.state.startLoc, { - propertyName: key.type === "Identifier" && !node.computed ? key.name : `[${this.input.slice(this.offsetToSourcePos(key.start), this.offsetToSourcePos(key.end))}]` - }); - } - return super.parseClassProperty(node); - } - parseClassPrivateProperty(node) { - if (node.abstract) { - this.raise(TSErrors.PrivateElementHasAbstract, node); - } - if (node.accessibility) { - this.raise(TSErrors.PrivateElementHasAccessibility, node, { - modifier: node.accessibility - }); - } - this.parseClassPropertyAnnotation(node); - return super.parseClassPrivateProperty(node); - } - parseClassAccessorProperty(node) { - this.parseClassPropertyAnnotation(node); - if (node.optional) { - this.raise(TSErrors.AccessorCannotBeOptional, node); - } - return super.parseClassAccessorProperty(node); - } - pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) { - const typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier); - if (typeParameters && isConstructor) { - this.raise(TSErrors.ConstructorHasTypeParameters, typeParameters); - } - const { - declare = false, - kind - } = method; - if (declare && (kind === "get" || kind === "set")) { - this.raise(TSErrors.DeclareAccessor, method, { - kind - }); - } - if (typeParameters) method.typeParameters = typeParameters; - super.pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper); - } - pushClassPrivateMethod(classBody, method, isGenerator, isAsync) { - const typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier); - if (typeParameters) method.typeParameters = typeParameters; - super.pushClassPrivateMethod(classBody, method, isGenerator, isAsync); - } - declareClassPrivateMethodInScope(node, kind) { - if (node.type === "TSDeclareMethod") return; - if (node.type === "MethodDefinition" && node.value.body == null) { - return; - } - super.declareClassPrivateMethodInScope(node, kind); - } - parseClassSuper(node) { - super.parseClassSuper(node); - if (node.superClass) { - if (node.superClass.type === "TSInstantiationExpression") { - const tsInstantiationExpression = node.superClass; - const superClass = tsInstantiationExpression.expression; - this.takeSurroundingComments(superClass, superClass.start, superClass.end); - const superTypeArguments = tsInstantiationExpression.typeParameters; - this.takeSurroundingComments(superTypeArguments, superTypeArguments.start, superTypeArguments.end); - node.superClass = superClass; - node.superTypeParameters = superTypeArguments; - } else if (this.match(47) || this.match(51)) { - node.superTypeParameters = this.tsParseTypeArgumentsInExpression(); - } - } - if (this.eatContextual(113)) { - node.implements = this.tsParseHeritageClause("implements"); - } - } - parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors) { - const typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier); - if (typeParameters) prop.typeParameters = typeParameters; - return super.parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors); - } - parseFunctionParams(node, isConstructor) { - const typeParameters = this.tsTryParseTypeParameters(this.tsParseConstModifier); - if (typeParameters) node.typeParameters = typeParameters; - super.parseFunctionParams(node, isConstructor); - } - parseVarId(decl, kind) { - super.parseVarId(decl, kind); - if (decl.id.type === "Identifier" && !this.hasPrecedingLineBreak() && this.eat(35)) { - decl.definite = true; - } - const type = this.tsTryParseTypeAnnotation(); - if (type) { - decl.id.typeAnnotation = type; - this.resetEndLocation(decl.id); - } - } - parseAsyncArrowFromCallExpression(node, call) { - if (this.match(14)) { - node.returnType = this.tsParseTypeAnnotation(); - } - return super.parseAsyncArrowFromCallExpression(node, call); - } - parseMaybeAssign(refExpressionErrors, afterLeftParse) { - var _jsx, _jsx2, _typeCast, _jsx3, _typeCast2; - let state; - let jsx; - let typeCast; - if (this.hasPlugin("jsx") && (this.match(143) || this.match(47))) { - state = this.state.clone(); - jsx = this.tryParse(() => super.parseMaybeAssign(refExpressionErrors, afterLeftParse), state); - if (!jsx.error) return jsx.node; - const { - context - } = this.state; - const currentContext = context[context.length - 1]; - if (currentContext === types.j_oTag || currentContext === types.j_expr) { - context.pop(); - } - } - if (!((_jsx = jsx) != null && _jsx.error) && !this.match(47)) { - return super.parseMaybeAssign(refExpressionErrors, afterLeftParse); - } - if (!state || state === this.state) state = this.state.clone(); - let typeParameters; - const arrow = this.tryParse(abort => { - var _expr$extra, _typeParameters; - typeParameters = this.tsParseTypeParameters(this.tsParseConstModifier); - const expr = super.parseMaybeAssign(refExpressionErrors, afterLeftParse); - if (expr.type !== "ArrowFunctionExpression" || (_expr$extra = expr.extra) != null && _expr$extra.parenthesized) { - abort(); - } - if (((_typeParameters = typeParameters) == null ? void 0 : _typeParameters.params.length) !== 0) { - this.resetStartLocationFromNode(expr, typeParameters); - } - expr.typeParameters = typeParameters; - return expr; - }, state); - if (!arrow.error && !arrow.aborted) { - if (typeParameters) this.reportReservedArrowTypeParam(typeParameters); - return arrow.node; - } - if (!jsx) { - assert(!this.hasPlugin("jsx")); - typeCast = this.tryParse(() => super.parseMaybeAssign(refExpressionErrors, afterLeftParse), state); - if (!typeCast.error) return typeCast.node; - } - if ((_jsx2 = jsx) != null && _jsx2.node) { - this.state = jsx.failState; - return jsx.node; - } - if (arrow.node) { - this.state = arrow.failState; - if (typeParameters) this.reportReservedArrowTypeParam(typeParameters); - return arrow.node; - } - if ((_typeCast = typeCast) != null && _typeCast.node) { - this.state = typeCast.failState; - return typeCast.node; - } - throw ((_jsx3 = jsx) == null ? void 0 : _jsx3.error) || arrow.error || ((_typeCast2 = typeCast) == null ? void 0 : _typeCast2.error); - } - reportReservedArrowTypeParam(node) { - var _node$extra2; - if (node.params.length === 1 && !node.params[0].constraint && !((_node$extra2 = node.extra) != null && _node$extra2.trailingComma) && this.getPluginOption("typescript", "disallowAmbiguousJSXLike")) { - this.raise(TSErrors.ReservedArrowTypeParam, node); - } - } - parseMaybeUnary(refExpressionErrors, sawUnary) { - if (!this.hasPlugin("jsx") && this.match(47)) { - return this.tsParseTypeAssertion(); - } - return super.parseMaybeUnary(refExpressionErrors, sawUnary); - } - parseArrow(node) { - if (this.match(14)) { - const result = this.tryParse(abort => { - const returnType = this.tsParseTypeOrTypePredicateAnnotation(14); - if (this.canInsertSemicolon() || !this.match(19)) abort(); - return returnType; - }); - if (result.aborted) return; - if (!result.thrown) { - if (result.error) this.state = result.failState; - node.returnType = result.node; - } - } - return super.parseArrow(node); - } - parseFunctionParamType(param) { - if (this.eat(17)) { - param.optional = true; - } - const type = this.tsTryParseTypeAnnotation(); - if (type) param.typeAnnotation = type; - this.resetEndLocation(param); - return param; - } - isAssignable(node, isBinding) { - switch (node.type) { - case "TSTypeCastExpression": - return this.isAssignable(node.expression, isBinding); - case "TSParameterProperty": - return true; - default: - return super.isAssignable(node, isBinding); - } - } - toAssignable(node, isLHS = false) { - switch (node.type) { - case "ParenthesizedExpression": - this.toAssignableParenthesizedExpression(node, isLHS); - break; - case "TSAsExpression": - case "TSSatisfiesExpression": - case "TSNonNullExpression": - case "TSTypeAssertion": - if (isLHS) { - this.expressionScope.recordArrowParameterBindingError(TSErrors.UnexpectedTypeCastInParameter, node); - } else { - this.raise(TSErrors.UnexpectedTypeCastInParameter, node); - } - this.toAssignable(node.expression, isLHS); - break; - case "AssignmentExpression": - if (!isLHS && node.left.type === "TSTypeCastExpression") { - node.left = this.typeCastToParameter(node.left); - } - default: - super.toAssignable(node, isLHS); - } - } - toAssignableParenthesizedExpression(node, isLHS) { - switch (node.expression.type) { - case "TSAsExpression": - case "TSSatisfiesExpression": - case "TSNonNullExpression": - case "TSTypeAssertion": - case "ParenthesizedExpression": - this.toAssignable(node.expression, isLHS); - break; - default: - super.toAssignable(node, isLHS); - } - } - checkToRestConversion(node, allowPattern) { - switch (node.type) { - case "TSAsExpression": - case "TSSatisfiesExpression": - case "TSTypeAssertion": - case "TSNonNullExpression": - this.checkToRestConversion(node.expression, false); - break; - default: - super.checkToRestConversion(node, allowPattern); - } - } - isValidLVal(type, disallowCallExpression, isUnparenthesizedInAssign, binding) { - switch (type) { - case "TSTypeCastExpression": - return true; - case "TSParameterProperty": - return "parameter"; - case "TSNonNullExpression": - return "expression"; - case "TSAsExpression": - case "TSSatisfiesExpression": - case "TSTypeAssertion": - return (binding !== 64 || !isUnparenthesizedInAssign) && ["expression", true]; - default: - return super.isValidLVal(type, disallowCallExpression, isUnparenthesizedInAssign, binding); - } - } - parseBindingAtom() { - if (this.state.type === 78) { - return this.parseIdentifier(true); - } - return super.parseBindingAtom(); - } - parseMaybeDecoratorArguments(expr, startLoc) { - if (this.match(47) || this.match(51)) { - const typeArguments = this.tsParseTypeArgumentsInExpression(); - if (this.match(10)) { - const call = super.parseMaybeDecoratorArguments(expr, startLoc); - call.typeParameters = typeArguments; - return call; - } - this.unexpected(null, 10); - } - return super.parseMaybeDecoratorArguments(expr, startLoc); - } - checkCommaAfterRest(close) { - if (this.state.isAmbientContext && this.match(12) && this.lookaheadCharCode() === close) { - this.next(); - return false; - } - return super.checkCommaAfterRest(close); - } - isClassMethod() { - return this.match(47) || super.isClassMethod(); - } - isClassProperty() { - return this.match(35) || this.match(14) || super.isClassProperty(); - } - parseMaybeDefault(startLoc, left) { - const node = super.parseMaybeDefault(startLoc, left); - if (node.type === "AssignmentPattern" && node.typeAnnotation && node.right.start < node.typeAnnotation.start) { - this.raise(TSErrors.TypeAnnotationAfterAssign, node.typeAnnotation); - } - return node; - } - getTokenFromCode(code) { - if (this.state.inType) { - if (code === 62) { - this.finishOp(48, 1); - return; - } - if (code === 60) { - this.finishOp(47, 1); - return; - } - } - super.getTokenFromCode(code); - } - reScan_lt_gt() { - const { - type - } = this.state; - if (type === 47) { - this.state.pos -= 1; - this.readToken_lt(); - } else if (type === 48) { - this.state.pos -= 1; - this.readToken_gt(); - } - } - reScan_lt() { - const { - type - } = this.state; - if (type === 51) { - this.state.pos -= 2; - this.finishOp(47, 1); - return 47; - } - return type; - } - toAssignableListItem(exprList, index, isLHS) { - const node = exprList[index]; - if (node.type === "TSTypeCastExpression") { - exprList[index] = this.typeCastToParameter(node); - } - super.toAssignableListItem(exprList, index, isLHS); - } - typeCastToParameter(node) { - node.expression.typeAnnotation = node.typeAnnotation; - this.resetEndLocation(node.expression, node.typeAnnotation.loc.end); - return node.expression; - } - shouldParseArrow(params) { - if (this.match(14)) { - return params.every(expr => this.isAssignable(expr, true)); - } - return super.shouldParseArrow(params); - } - shouldParseAsyncArrow() { - return this.match(14) || super.shouldParseAsyncArrow(); - } - canHaveLeadingDecorator() { - return super.canHaveLeadingDecorator() || this.isAbstractClass(); - } - jsxParseOpeningElementAfterName(node) { - if (this.match(47) || this.match(51)) { - const typeArguments = this.tsTryParseAndCatch(() => this.tsParseTypeArgumentsInExpression()); - if (typeArguments) { - node.typeParameters = typeArguments; - } - } - return super.jsxParseOpeningElementAfterName(node); - } - getGetterSetterExpectedParamCount(method) { - const baseCount = super.getGetterSetterExpectedParamCount(method); - const params = this.getObjectOrClassMethodParams(method); - const firstParam = params[0]; - const hasContextParam = firstParam && this.isThisParam(firstParam); - return hasContextParam ? baseCount + 1 : baseCount; - } - parseCatchClauseParam() { - const param = super.parseCatchClauseParam(); - const type = this.tsTryParseTypeAnnotation(); - if (type) { - param.typeAnnotation = type; - this.resetEndLocation(param); - } - return param; - } - tsInAmbientContext(cb) { - const { - isAmbientContext: oldIsAmbientContext, - strict: oldStrict - } = this.state; - this.state.isAmbientContext = true; - this.state.strict = false; - try { - return cb(); - } finally { - this.state.isAmbientContext = oldIsAmbientContext; - this.state.strict = oldStrict; - } - } - parseClass(node, isStatement, optionalId) { - const oldInAbstractClass = this.state.inAbstractClass; - this.state.inAbstractClass = !!node.abstract; - try { - return super.parseClass(node, isStatement, optionalId); - } finally { - this.state.inAbstractClass = oldInAbstractClass; - } - } - tsParseAbstractDeclaration(node, decorators) { - if (this.match(80)) { - node.abstract = true; - return this.maybeTakeDecorators(decorators, this.parseClass(node, true, false)); - } else if (this.isContextual(129)) { - if (!this.hasFollowingLineBreak()) { - node.abstract = true; - this.raise(TSErrors.NonClassMethodPropertyHasAbstractModifier, node); - return this.tsParseInterfaceDeclaration(node); - } else { - return null; - } - } - throw this.unexpected(null, 80); - } - parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope) { - const method = super.parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope); - if (method.abstract || method.type === "TSAbstractMethodDefinition") { - const hasEstreePlugin = this.hasPlugin("estree"); - const methodFn = hasEstreePlugin ? method.value : method; - if (methodFn.body) { - const { - key - } = method; - this.raise(TSErrors.AbstractMethodHasImplementation, method, { - methodName: key.type === "Identifier" && !method.computed ? key.name : `[${this.input.slice(this.offsetToSourcePos(key.start), this.offsetToSourcePos(key.end))}]` - }); - } - } - return method; - } - tsParseTypeParameterName() { - const typeName = this.parseIdentifier(); - return typeName.name; - } - shouldParseAsAmbientContext() { - return !!this.getPluginOption("typescript", "dts"); - } - parse() { - if (this.shouldParseAsAmbientContext()) { - this.state.isAmbientContext = true; - } - return super.parse(); - } - getExpression() { - if (this.shouldParseAsAmbientContext()) { - this.state.isAmbientContext = true; - } - return super.getExpression(); - } - parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly) { - if (!isString && isMaybeTypeOnly) { - this.parseTypeOnlyImportExportSpecifier(node, false, isInTypeExport); - return this.finishNode(node, "ExportSpecifier"); - } - node.exportKind = "value"; - return super.parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly); - } - parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly, bindingType) { - if (!importedIsString && isMaybeTypeOnly) { - this.parseTypeOnlyImportExportSpecifier(specifier, true, isInTypeOnlyImport); - return this.finishNode(specifier, "ImportSpecifier"); - } - specifier.importKind = "value"; - return super.parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly, isInTypeOnlyImport ? 4098 : 4096); - } - parseTypeOnlyImportExportSpecifier(node, isImport, isInTypeOnlyImportExport) { - const leftOfAsKey = isImport ? "imported" : "local"; - const rightOfAsKey = isImport ? "local" : "exported"; - let leftOfAs = node[leftOfAsKey]; - let rightOfAs; - let hasTypeSpecifier = false; - let canParseAsKeyword = true; - const loc = leftOfAs.loc.start; - if (this.isContextual(93)) { - const firstAs = this.parseIdentifier(); - if (this.isContextual(93)) { - const secondAs = this.parseIdentifier(); - if (tokenIsKeywordOrIdentifier(this.state.type)) { - hasTypeSpecifier = true; - leftOfAs = firstAs; - rightOfAs = isImport ? this.parseIdentifier() : this.parseModuleExportName(); - canParseAsKeyword = false; - } else { - rightOfAs = secondAs; - canParseAsKeyword = false; - } - } else if (tokenIsKeywordOrIdentifier(this.state.type)) { - canParseAsKeyword = false; - rightOfAs = isImport ? this.parseIdentifier() : this.parseModuleExportName(); - } else { - hasTypeSpecifier = true; - leftOfAs = firstAs; - } - } else if (tokenIsKeywordOrIdentifier(this.state.type)) { - hasTypeSpecifier = true; - if (isImport) { - leftOfAs = this.parseIdentifier(true); - if (!this.isContextual(93)) { - this.checkReservedWord(leftOfAs.name, leftOfAs.loc.start, true, true); - } - } else { - leftOfAs = this.parseModuleExportName(); - } - } - if (hasTypeSpecifier && isInTypeOnlyImportExport) { - this.raise(isImport ? TSErrors.TypeModifierIsUsedInTypeImports : TSErrors.TypeModifierIsUsedInTypeExports, loc); - } - node[leftOfAsKey] = leftOfAs; - node[rightOfAsKey] = rightOfAs; - const kindKey = isImport ? "importKind" : "exportKind"; - node[kindKey] = hasTypeSpecifier ? "type" : "value"; - if (canParseAsKeyword && this.eatContextual(93)) { - node[rightOfAsKey] = isImport ? this.parseIdentifier() : this.parseModuleExportName(); - } - if (!node[rightOfAsKey]) { - node[rightOfAsKey] = this.cloneIdentifier(node[leftOfAsKey]); - } - if (isImport) { - this.checkIdentifier(node[rightOfAsKey], hasTypeSpecifier ? 4098 : 4096); - } - } - fillOptionalPropertiesForTSESLint(node) { - var _node$directive, _node$decorators, _node$optional, _node$typeAnnotation, _node$accessibility, _node$decorators2, _node$override, _node$readonly, _node$static, _node$declare, _node$returnType, _node$typeParameters, _node$optional2, _node$optional3, _node$accessibility2, _node$readonly2, _node$static2, _node$declare2, _node$definite, _node$readonly3, _node$typeAnnotation2, _node$accessibility3, _node$decorators3, _node$override2, _node$optional4, _node$id, _node$abstract, _node$declare3, _node$decorators4, _node$implements, _node$superTypeArgume, _node$typeParameters2, _node$declare4, _node$definite2, _node$const, _node$declare5, _node$computed, _node$qualifier, _node$options, _node$declare6, _node$extends, _node$optional5, _node$readonly4, _node$declare7, _node$global, _node$const2, _node$in, _node$out; - switch (node.type) { - case "ExpressionStatement": - (_node$directive = node.directive) != null ? _node$directive : node.directive = undefined; - return; - case "RestElement": - node.value = undefined; - case "Identifier": - case "ArrayPattern": - case "AssignmentPattern": - case "ObjectPattern": - (_node$decorators = node.decorators) != null ? _node$decorators : node.decorators = []; - (_node$optional = node.optional) != null ? _node$optional : node.optional = false; - (_node$typeAnnotation = node.typeAnnotation) != null ? _node$typeAnnotation : node.typeAnnotation = undefined; - return; - case "TSParameterProperty": - (_node$accessibility = node.accessibility) != null ? _node$accessibility : node.accessibility = undefined; - (_node$decorators2 = node.decorators) != null ? _node$decorators2 : node.decorators = []; - (_node$override = node.override) != null ? _node$override : node.override = false; - (_node$readonly = node.readonly) != null ? _node$readonly : node.readonly = false; - (_node$static = node.static) != null ? _node$static : node.static = false; - return; - case "TSEmptyBodyFunctionExpression": - node.body = null; - case "TSDeclareFunction": - case "FunctionDeclaration": - case "FunctionExpression": - case "ClassMethod": - case "ClassPrivateMethod": - (_node$declare = node.declare) != null ? _node$declare : node.declare = false; - (_node$returnType = node.returnType) != null ? _node$returnType : node.returnType = undefined; - (_node$typeParameters = node.typeParameters) != null ? _node$typeParameters : node.typeParameters = undefined; - return; - case "Property": - (_node$optional2 = node.optional) != null ? _node$optional2 : node.optional = false; - return; - case "TSMethodSignature": - case "TSPropertySignature": - (_node$optional3 = node.optional) != null ? _node$optional3 : node.optional = false; - case "TSIndexSignature": - (_node$accessibility2 = node.accessibility) != null ? _node$accessibility2 : node.accessibility = undefined; - (_node$readonly2 = node.readonly) != null ? _node$readonly2 : node.readonly = false; - (_node$static2 = node.static) != null ? _node$static2 : node.static = false; - return; - case "TSAbstractPropertyDefinition": - case "PropertyDefinition": - case "TSAbstractAccessorProperty": - case "AccessorProperty": - (_node$declare2 = node.declare) != null ? _node$declare2 : node.declare = false; - (_node$definite = node.definite) != null ? _node$definite : node.definite = false; - (_node$readonly3 = node.readonly) != null ? _node$readonly3 : node.readonly = false; - (_node$typeAnnotation2 = node.typeAnnotation) != null ? _node$typeAnnotation2 : node.typeAnnotation = undefined; - case "TSAbstractMethodDefinition": - case "MethodDefinition": - (_node$accessibility3 = node.accessibility) != null ? _node$accessibility3 : node.accessibility = undefined; - (_node$decorators3 = node.decorators) != null ? _node$decorators3 : node.decorators = []; - (_node$override2 = node.override) != null ? _node$override2 : node.override = false; - (_node$optional4 = node.optional) != null ? _node$optional4 : node.optional = false; - return; - case "ClassExpression": - (_node$id = node.id) != null ? _node$id : node.id = null; - case "ClassDeclaration": - (_node$abstract = node.abstract) != null ? _node$abstract : node.abstract = false; - (_node$declare3 = node.declare) != null ? _node$declare3 : node.declare = false; - (_node$decorators4 = node.decorators) != null ? _node$decorators4 : node.decorators = []; - (_node$implements = node.implements) != null ? _node$implements : node.implements = []; - (_node$superTypeArgume = node.superTypeArguments) != null ? _node$superTypeArgume : node.superTypeArguments = undefined; - (_node$typeParameters2 = node.typeParameters) != null ? _node$typeParameters2 : node.typeParameters = undefined; - return; - case "TSTypeAliasDeclaration": - case "VariableDeclaration": - (_node$declare4 = node.declare) != null ? _node$declare4 : node.declare = false; - return; - case "VariableDeclarator": - (_node$definite2 = node.definite) != null ? _node$definite2 : node.definite = false; - return; - case "TSEnumDeclaration": - (_node$const = node.const) != null ? _node$const : node.const = false; - (_node$declare5 = node.declare) != null ? _node$declare5 : node.declare = false; - return; - case "TSEnumMember": - (_node$computed = node.computed) != null ? _node$computed : node.computed = false; - return; - case "TSImportType": - (_node$qualifier = node.qualifier) != null ? _node$qualifier : node.qualifier = null; - (_node$options = node.options) != null ? _node$options : node.options = null; - return; - case "TSInterfaceDeclaration": - (_node$declare6 = node.declare) != null ? _node$declare6 : node.declare = false; - (_node$extends = node.extends) != null ? _node$extends : node.extends = []; - return; - case "TSMappedType": - (_node$optional5 = node.optional) != null ? _node$optional5 : node.optional = false; - (_node$readonly4 = node.readonly) != null ? _node$readonly4 : node.readonly = undefined; - return; - case "TSModuleDeclaration": - (_node$declare7 = node.declare) != null ? _node$declare7 : node.declare = false; - (_node$global = node.global) != null ? _node$global : node.global = node.kind === "global"; - return; - case "TSTypeParameter": - (_node$const2 = node.const) != null ? _node$const2 : node.const = false; - (_node$in = node.in) != null ? _node$in : node.in = false; - (_node$out = node.out) != null ? _node$out : node.out = false; - return; - } - } - chStartsBindingIdentifierAndNotRelationalOperator(ch, pos) { - if (isIdentifierStart(ch)) { - keywordAndTSRelationalOperator.lastIndex = pos; - if (keywordAndTSRelationalOperator.test(this.input)) { - const endCh = this.codePointAtPos(keywordAndTSRelationalOperator.lastIndex); - if (!isIdentifierChar(endCh) && endCh !== 92) { - return false; - } - } - return true; - } else if (ch === 92) { - return true; - } else { - return false; - } - } - nextTokenIsIdentifierAndNotTSRelationalOperatorOnSameLine() { - const next = this.nextTokenInLineStart(); - const nextCh = this.codePointAtPos(next); - return this.chStartsBindingIdentifierAndNotRelationalOperator(nextCh, next); - } - nextTokenIsIdentifierOrStringLiteralOnSameLine() { - const next = this.nextTokenInLineStart(); - const nextCh = this.codePointAtPos(next); - return this.chStartsBindingIdentifier(nextCh, next) || nextCh === 34 || nextCh === 39; - } -}; -function isPossiblyLiteralEnum(expression) { - if (expression.type !== "MemberExpression") return false; - const { - computed, - property - } = expression; - if (computed && property.type !== "StringLiteral" && (property.type !== "TemplateLiteral" || property.expressions.length > 0)) { - return false; - } - return isUncomputedMemberExpressionChain(expression.object); -} -function isValidAmbientConstInitializer(expression, estree) { - var _expression$extra; - const { - type - } = expression; - if ((_expression$extra = expression.extra) != null && _expression$extra.parenthesized) { - return false; - } - if (estree) { - if (type === "Literal") { - const { - value - } = expression; - if (typeof value === "string" || typeof value === "boolean") { - return true; - } - } - } else { - if (type === "StringLiteral" || type === "BooleanLiteral") { - return true; - } - } - if (isNumber(expression, estree) || isNegativeNumber(expression, estree)) { - return true; - } - if (type === "TemplateLiteral" && expression.expressions.length === 0) { - return true; - } - if (isPossiblyLiteralEnum(expression)) { - return true; - } - return false; -} -function isNumber(expression, estree) { - if (estree) { - return expression.type === "Literal" && (typeof expression.value === "number" || "bigint" in expression); - } - return expression.type === "NumericLiteral" || expression.type === "BigIntLiteral"; -} -function isNegativeNumber(expression, estree) { - if (expression.type === "UnaryExpression") { - const { - operator, - argument - } = expression; - if (operator === "-" && isNumber(argument, estree)) { - return true; - } - } - return false; -} -function isUncomputedMemberExpressionChain(expression) { - if (expression.type === "Identifier") return true; - if (expression.type !== "MemberExpression" || expression.computed) { - return false; - } - return isUncomputedMemberExpressionChain(expression.object); -} -const PlaceholderErrors = ParseErrorEnum`placeholders`({ - ClassNameIsRequired: "A class name is required.", - UnexpectedSpace: "Unexpected space in placeholder." -}); -var placeholders = superClass => class PlaceholdersParserMixin extends superClass { - parsePlaceholder(expectedNode) { - if (this.match(133)) { - const node = this.startNode(); - this.next(); - this.assertNoSpace(); - node.name = super.parseIdentifier(true); - this.assertNoSpace(); - this.expect(133); - return this.finishPlaceholder(node, expectedNode); - } - } - finishPlaceholder(node, expectedNode) { - let placeholder = node; - if (!placeholder.expectedNode || !placeholder.type) { - placeholder = this.finishNode(placeholder, "Placeholder"); - } - placeholder.expectedNode = expectedNode; - return placeholder; - } - getTokenFromCode(code) { - if (code === 37 && this.input.charCodeAt(this.state.pos + 1) === 37) { - this.finishOp(133, 2); - } else { - super.getTokenFromCode(code); - } - } - parseExprAtom(refExpressionErrors) { - return this.parsePlaceholder("Expression") || super.parseExprAtom(refExpressionErrors); - } - parseIdentifier(liberal) { - return this.parsePlaceholder("Identifier") || super.parseIdentifier(liberal); - } - checkReservedWord(word, startLoc, checkKeywords, isBinding) { - if (word !== undefined) { - super.checkReservedWord(word, startLoc, checkKeywords, isBinding); - } - } - cloneIdentifier(node) { - const cloned = super.cloneIdentifier(node); - if (cloned.type === "Placeholder") { - cloned.expectedNode = node.expectedNode; - } - return cloned; - } - cloneStringLiteral(node) { - if (node.type === "Placeholder") { - return this.cloneIdentifier(node); - } - return super.cloneStringLiteral(node); - } - parseBindingAtom() { - return this.parsePlaceholder("Pattern") || super.parseBindingAtom(); - } - isValidLVal(type, disallowCallExpression, isParenthesized, binding) { - return type === "Placeholder" || super.isValidLVal(type, disallowCallExpression, isParenthesized, binding); - } - toAssignable(node, isLHS) { - if (node && node.type === "Placeholder" && node.expectedNode === "Expression") { - node.expectedNode = "Pattern"; - } else { - super.toAssignable(node, isLHS); - } - } - chStartsBindingIdentifier(ch, pos) { - if (super.chStartsBindingIdentifier(ch, pos)) { - return true; - } - const next = this.nextTokenStart(); - if (this.input.charCodeAt(next) === 37 && this.input.charCodeAt(next + 1) === 37) { - return true; - } - return false; - } - verifyBreakContinue(node, isBreak) { - var _node$label; - if (((_node$label = node.label) == null ? void 0 : _node$label.type) === "Placeholder") return; - super.verifyBreakContinue(node, isBreak); - } - parseExpressionStatement(node, expr) { - var _expr$extra; - if (expr.type !== "Placeholder" || (_expr$extra = expr.extra) != null && _expr$extra.parenthesized) { - return super.parseExpressionStatement(node, expr); - } - if (this.match(14)) { - const stmt = node; - stmt.label = this.finishPlaceholder(expr, "Identifier"); - this.next(); - stmt.body = super.parseStatementOrSloppyAnnexBFunctionDeclaration(); - return this.finishNode(stmt, "LabeledStatement"); - } - this.semicolon(); - const stmtPlaceholder = node; - stmtPlaceholder.name = expr.name; - return this.finishPlaceholder(stmtPlaceholder, "Statement"); - } - parseBlock(allowDirectives, createNewLexicalScope, afterBlockParse) { - return this.parsePlaceholder("BlockStatement") || super.parseBlock(allowDirectives, createNewLexicalScope, afterBlockParse); - } - parseFunctionId(requireId) { - return this.parsePlaceholder("Identifier") || super.parseFunctionId(requireId); - } - parseClass(node, isStatement, optionalId) { - const type = isStatement ? "ClassDeclaration" : "ClassExpression"; - this.next(); - const oldStrict = this.state.strict; - const placeholder = this.parsePlaceholder("Identifier"); - if (placeholder) { - if (this.match(81) || this.match(133) || this.match(5)) { - node.id = placeholder; - } else if (optionalId || !isStatement) { - node.id = null; - node.body = this.finishPlaceholder(placeholder, "ClassBody"); - return this.finishNode(node, type); - } else { - throw this.raise(PlaceholderErrors.ClassNameIsRequired, this.state.startLoc); - } - } else { - this.parseClassId(node, isStatement, optionalId); - } - super.parseClassSuper(node); - node.body = this.parsePlaceholder("ClassBody") || super.parseClassBody(!!node.superClass, oldStrict); - return this.finishNode(node, type); - } - parseExport(node, decorators) { - const placeholder = this.parsePlaceholder("Identifier"); - if (!placeholder) return super.parseExport(node, decorators); - const node2 = node; - if (!this.isContextual(98) && !this.match(12)) { - node2.specifiers = []; - node2.source = null; - node2.declaration = this.finishPlaceholder(placeholder, "Declaration"); - return this.finishNode(node2, "ExportNamedDeclaration"); - } - this.expectPlugin("exportDefaultFrom"); - const specifier = this.startNode(); - specifier.exported = placeholder; - node2.specifiers = [this.finishNode(specifier, "ExportDefaultSpecifier")]; - return super.parseExport(node2, decorators); - } - isExportDefaultSpecifier() { - if (this.match(65)) { - const next = this.nextTokenStart(); - if (this.isUnparsedContextual(next, "from")) { - if (this.input.startsWith(tokenLabelName(133), this.nextTokenStartSince(next + 4))) { - return true; - } - } - } - return super.isExportDefaultSpecifier(); - } - maybeParseExportDefaultSpecifier(node, maybeDefaultIdentifier) { - var _specifiers; - if ((_specifiers = node.specifiers) != null && _specifiers.length) { - return true; - } - return super.maybeParseExportDefaultSpecifier(node, maybeDefaultIdentifier); - } - checkExport(node) { - const { - specifiers - } = node; - if (specifiers != null && specifiers.length) { - node.specifiers = specifiers.filter(node => node.exported.type === "Placeholder"); - } - super.checkExport(node); - node.specifiers = specifiers; - } - parseImport(node) { - const placeholder = this.parsePlaceholder("Identifier"); - if (!placeholder) return super.parseImport(node); - node.specifiers = []; - if (!this.isContextual(98) && !this.match(12)) { - node.source = this.finishPlaceholder(placeholder, "StringLiteral"); - this.semicolon(); - return this.finishNode(node, "ImportDeclaration"); - } - const specifier = this.startNodeAtNode(placeholder); - specifier.local = placeholder; - node.specifiers.push(this.finishNode(specifier, "ImportDefaultSpecifier")); - if (this.eat(12)) { - const hasStarImport = this.maybeParseStarImportSpecifier(node); - if (!hasStarImport) this.parseNamedImportSpecifiers(node); - } - this.expectContextual(98); - node.source = this.parseImportSource(); - this.semicolon(); - return this.finishNode(node, "ImportDeclaration"); - } - parseImportSource() { - return this.parsePlaceholder("StringLiteral") || super.parseImportSource(); - } - assertNoSpace() { - if (this.state.start > this.offsetToSourcePos(this.state.lastTokEndLoc.index)) { - this.raise(PlaceholderErrors.UnexpectedSpace, this.state.lastTokEndLoc); - } - } -}; -var v8intrinsic = superClass => class V8IntrinsicMixin extends superClass { - parseV8Intrinsic() { - if (this.match(54)) { - const v8IntrinsicStartLoc = this.state.startLoc; - const node = this.startNode(); - this.next(); - if (tokenIsIdentifier(this.state.type)) { - const name = this.parseIdentifierName(); - const identifier = this.createIdentifier(node, name); - this.castNodeTo(identifier, "V8IntrinsicIdentifier"); - if (this.match(10)) { - return identifier; - } - } - this.unexpected(v8IntrinsicStartLoc); - } - } - parseExprAtom(refExpressionErrors) { - return this.parseV8Intrinsic() || super.parseExprAtom(refExpressionErrors); - } -}; -const PIPELINE_PROPOSALS = ["minimal", "fsharp", "hack", "smart"]; -const TOPIC_TOKENS = ["^^", "@@", "^", "%", "#"]; -function validatePlugins(pluginsMap) { - if (pluginsMap.has("decorators")) { - if (pluginsMap.has("decorators-legacy")) { - throw new Error("Cannot use the decorators and decorators-legacy plugin together"); - } - const decoratorsBeforeExport = pluginsMap.get("decorators").decoratorsBeforeExport; - if (decoratorsBeforeExport != null && typeof decoratorsBeforeExport !== "boolean") { - throw new Error("'decoratorsBeforeExport' must be a boolean, if specified."); - } - const allowCallParenthesized = pluginsMap.get("decorators").allowCallParenthesized; - if (allowCallParenthesized != null && typeof allowCallParenthesized !== "boolean") { - throw new Error("'allowCallParenthesized' must be a boolean."); - } - } - if (pluginsMap.has("flow") && pluginsMap.has("typescript")) { - throw new Error("Cannot combine flow and typescript plugins."); - } - if (pluginsMap.has("placeholders") && pluginsMap.has("v8intrinsic")) { - throw new Error("Cannot combine placeholders and v8intrinsic plugins."); - } - if (pluginsMap.has("pipelineOperator")) { - var _pluginsMap$get2; - const proposal = pluginsMap.get("pipelineOperator").proposal; - if (!PIPELINE_PROPOSALS.includes(proposal)) { - const proposalList = PIPELINE_PROPOSALS.map(p => `"${p}"`).join(", "); - throw new Error(`"pipelineOperator" requires "proposal" option whose value must be one of: ${proposalList}.`); - } - if (proposal === "hack") { - var _pluginsMap$get; - if (pluginsMap.has("placeholders")) { - throw new Error("Cannot combine placeholders plugin and Hack-style pipes."); - } - if (pluginsMap.has("v8intrinsic")) { - throw new Error("Cannot combine v8intrinsic plugin and Hack-style pipes."); - } - const topicToken = pluginsMap.get("pipelineOperator").topicToken; - if (!TOPIC_TOKENS.includes(topicToken)) { - const tokenList = TOPIC_TOKENS.map(t => `"${t}"`).join(", "); - throw new Error(`"pipelineOperator" in "proposal": "hack" mode also requires a "topicToken" option whose value must be one of: ${tokenList}.`); - } - if (topicToken === "#" && ((_pluginsMap$get = pluginsMap.get("recordAndTuple")) == null ? void 0 : _pluginsMap$get.syntaxType) === "hash") { - throw new Error(`Plugin conflict between \`["pipelineOperator", { proposal: "hack", topicToken: "#" }]\` and \`${JSON.stringify(["recordAndTuple", pluginsMap.get("recordAndTuple")])}\`.`); - } - } else if (proposal === "smart" && ((_pluginsMap$get2 = pluginsMap.get("recordAndTuple")) == null ? void 0 : _pluginsMap$get2.syntaxType) === "hash") { - throw new Error(`Plugin conflict between \`["pipelineOperator", { proposal: "smart" }]\` and \`${JSON.stringify(["recordAndTuple", pluginsMap.get("recordAndTuple")])}\`.`); - } - } - if (pluginsMap.has("moduleAttributes")) { - if (pluginsMap.has("deprecatedImportAssert") || pluginsMap.has("importAssertions")) { - throw new Error("Cannot combine importAssertions, deprecatedImportAssert and moduleAttributes plugins."); - } - const moduleAttributesVersionPluginOption = pluginsMap.get("moduleAttributes").version; - if (moduleAttributesVersionPluginOption !== "may-2020") { - throw new Error("The 'moduleAttributes' plugin requires a 'version' option," + " representing the last proposal update. Currently, the" + " only supported value is 'may-2020'."); - } - } - if (pluginsMap.has("importAssertions")) { - if (pluginsMap.has("deprecatedImportAssert")) { - throw new Error("Cannot combine importAssertions and deprecatedImportAssert plugins."); - } - } - if (pluginsMap.has("deprecatedImportAssert")) ;else if (pluginsMap.has("importAttributes") && pluginsMap.get("importAttributes").deprecatedAssertSyntax) { - pluginsMap.set("deprecatedImportAssert", {}); - } - if (pluginsMap.has("recordAndTuple")) { - const syntaxType = pluginsMap.get("recordAndTuple").syntaxType; - if (syntaxType != null) { - const RECORD_AND_TUPLE_SYNTAX_TYPES = ["hash", "bar"]; - if (!RECORD_AND_TUPLE_SYNTAX_TYPES.includes(syntaxType)) { - throw new Error("The 'syntaxType' option of the 'recordAndTuple' plugin must be one of: " + RECORD_AND_TUPLE_SYNTAX_TYPES.map(p => `'${p}'`).join(", ")); - } - } - } - if (pluginsMap.has("asyncDoExpressions") && !pluginsMap.has("doExpressions")) { - const error = new Error("'asyncDoExpressions' requires 'doExpressions', please add 'doExpressions' to parser plugins."); - error.missingPlugins = "doExpressions"; - throw error; - } - if (pluginsMap.has("optionalChainingAssign") && pluginsMap.get("optionalChainingAssign").version !== "2023-07") { - throw new Error("The 'optionalChainingAssign' plugin requires a 'version' option," + " representing the last proposal update. Currently, the" + " only supported value is '2023-07'."); - } - if (pluginsMap.has("discardBinding") && pluginsMap.get("discardBinding").syntaxType !== "void") { - throw new Error("The 'discardBinding' plugin requires a 'syntaxType' option. Currently the only supported value is 'void'."); - } -} -const mixinPlugins = { - estree, - jsx, - flow, - typescript, - v8intrinsic, - placeholders -}; -const mixinPluginNames = Object.keys(mixinPlugins); -class ExpressionParser extends LValParser { - checkProto(prop, isRecord, sawProto, refExpressionErrors) { - if (prop.type === "SpreadElement" || this.isObjectMethod(prop) || prop.computed || prop.shorthand) { - return sawProto; - } - const key = prop.key; - const name = key.type === "Identifier" ? key.name : key.value; - if (name === "__proto__") { - if (isRecord) { - this.raise(Errors.RecordNoProto, key); - return true; - } - if (sawProto) { - if (refExpressionErrors) { - if (refExpressionErrors.doubleProtoLoc === null) { - refExpressionErrors.doubleProtoLoc = key.loc.start; - } - } else { - this.raise(Errors.DuplicateProto, key); - } - } - return true; - } - return sawProto; - } - shouldExitDescending(expr, potentialArrowAt) { - return expr.type === "ArrowFunctionExpression" && this.offsetToSourcePos(expr.start) === potentialArrowAt; - } - getExpression() { - this.enterInitialScopes(); - this.nextToken(); - if (this.match(140)) { - throw this.raise(Errors.ParseExpressionEmptyInput, this.state.startLoc); - } - const expr = this.parseExpression(); - if (!this.match(140)) { - throw this.raise(Errors.ParseExpressionExpectsEOF, this.state.startLoc, { - unexpected: this.input.codePointAt(this.state.start) - }); - } - this.finalizeRemainingComments(); - expr.comments = this.comments; - expr.errors = this.state.errors; - if (this.optionFlags & 256) { - expr.tokens = this.tokens; - } - return expr; - } - parseExpression(disallowIn, refExpressionErrors) { - if (disallowIn) { - return this.disallowInAnd(() => this.parseExpressionBase(refExpressionErrors)); - } - return this.allowInAnd(() => this.parseExpressionBase(refExpressionErrors)); - } - parseExpressionBase(refExpressionErrors) { - const startLoc = this.state.startLoc; - const expr = this.parseMaybeAssign(refExpressionErrors); - if (this.match(12)) { - const node = this.startNodeAt(startLoc); - node.expressions = [expr]; - while (this.eat(12)) { - node.expressions.push(this.parseMaybeAssign(refExpressionErrors)); - } - this.toReferencedList(node.expressions); - return this.finishNode(node, "SequenceExpression"); - } - return expr; - } - parseMaybeAssignDisallowIn(refExpressionErrors, afterLeftParse) { - return this.disallowInAnd(() => this.parseMaybeAssign(refExpressionErrors, afterLeftParse)); - } - parseMaybeAssignAllowIn(refExpressionErrors, afterLeftParse) { - return this.allowInAnd(() => this.parseMaybeAssign(refExpressionErrors, afterLeftParse)); - } - setOptionalParametersError(refExpressionErrors) { - refExpressionErrors.optionalParametersLoc = this.state.startLoc; - } - parseMaybeAssign(refExpressionErrors, afterLeftParse) { - const startLoc = this.state.startLoc; - const isYield = this.isContextual(108); - if (isYield) { - if (this.prodParam.hasYield) { - this.next(); - let left = this.parseYield(startLoc); - if (afterLeftParse) { - left = afterLeftParse.call(this, left, startLoc); - } - return left; - } - } - let ownExpressionErrors; - if (refExpressionErrors) { - ownExpressionErrors = false; - } else { - refExpressionErrors = new ExpressionErrors(); - ownExpressionErrors = true; - } - const { - type - } = this.state; - if (type === 10 || tokenIsIdentifier(type)) { - this.state.potentialArrowAt = this.state.start; - } - let left = this.parseMaybeConditional(refExpressionErrors); - if (afterLeftParse) { - left = afterLeftParse.call(this, left, startLoc); - } - if (tokenIsAssignment(this.state.type)) { - const node = this.startNodeAt(startLoc); - const operator = this.state.value; - node.operator = operator; - if (this.match(29)) { - this.toAssignable(left, true); - node.left = left; - const startIndex = startLoc.index; - if (refExpressionErrors.doubleProtoLoc != null && refExpressionErrors.doubleProtoLoc.index >= startIndex) { - refExpressionErrors.doubleProtoLoc = null; - } - if (refExpressionErrors.shorthandAssignLoc != null && refExpressionErrors.shorthandAssignLoc.index >= startIndex) { - refExpressionErrors.shorthandAssignLoc = null; - } - if (refExpressionErrors.privateKeyLoc != null && refExpressionErrors.privateKeyLoc.index >= startIndex) { - this.checkDestructuringPrivate(refExpressionErrors); - refExpressionErrors.privateKeyLoc = null; - } - if (refExpressionErrors.voidPatternLoc != null && refExpressionErrors.voidPatternLoc.index >= startIndex) { - refExpressionErrors.voidPatternLoc = null; - } - } else { - node.left = left; - } - this.next(); - node.right = this.parseMaybeAssign(); - this.checkLVal(left, this.finishNode(node, "AssignmentExpression"), undefined, undefined, undefined, undefined, operator === "||=" || operator === "&&=" || operator === "??="); - return node; - } else if (ownExpressionErrors) { - this.checkExpressionErrors(refExpressionErrors, true); - } - if (isYield) { - const { - type - } = this.state; - const startsExpr = this.hasPlugin("v8intrinsic") ? tokenCanStartExpression(type) : tokenCanStartExpression(type) && !this.match(54); - if (startsExpr && !this.isAmbiguousPrefixOrIdentifier()) { - this.raiseOverwrite(Errors.YieldNotInGeneratorFunction, startLoc); - return this.parseYield(startLoc); - } - } - return left; - } - parseMaybeConditional(refExpressionErrors) { - const startLoc = this.state.startLoc; - const potentialArrowAt = this.state.potentialArrowAt; - const expr = this.parseExprOps(refExpressionErrors); - if (this.shouldExitDescending(expr, potentialArrowAt)) { - return expr; - } - return this.parseConditional(expr, startLoc, refExpressionErrors); - } - parseConditional(expr, startLoc, refExpressionErrors) { - if (this.eat(17)) { - const node = this.startNodeAt(startLoc); - node.test = expr; - node.consequent = this.parseMaybeAssignAllowIn(); - this.expect(14); - node.alternate = this.parseMaybeAssign(); - return this.finishNode(node, "ConditionalExpression"); - } - return expr; - } - parseMaybeUnaryOrPrivate(refExpressionErrors) { - return this.match(139) ? this.parsePrivateName() : this.parseMaybeUnary(refExpressionErrors); - } - parseExprOps(refExpressionErrors) { - const startLoc = this.state.startLoc; - const potentialArrowAt = this.state.potentialArrowAt; - const expr = this.parseMaybeUnaryOrPrivate(refExpressionErrors); - if (this.shouldExitDescending(expr, potentialArrowAt)) { - return expr; - } - return this.parseExprOp(expr, startLoc, -1); - } - parseExprOp(left, leftStartLoc, minPrec) { - if (this.isPrivateName(left)) { - const value = this.getPrivateNameSV(left); - if (minPrec >= tokenOperatorPrecedence(58) || !this.prodParam.hasIn || !this.match(58)) { - this.raise(Errors.PrivateInExpectedIn, left, { - identifierName: value - }); - } - this.classScope.usePrivateName(value, left.loc.start); - } - const op = this.state.type; - if (tokenIsOperator(op) && (this.prodParam.hasIn || !this.match(58))) { - let prec = tokenOperatorPrecedence(op); - if (prec > minPrec) { - if (op === 39) { - this.expectPlugin("pipelineOperator"); - if (this.state.inFSharpPipelineDirectBody) { - return left; - } - this.checkPipelineAtInfixOperator(left, leftStartLoc); - } - const node = this.startNodeAt(leftStartLoc); - node.left = left; - node.operator = this.state.value; - const logical = op === 41 || op === 42; - const coalesce = op === 40; - if (coalesce) { - prec = tokenOperatorPrecedence(42); - } - this.next(); - if (op === 39 && this.hasPlugin(["pipelineOperator", { - proposal: "minimal" - }])) { - if (this.state.type === 96 && this.prodParam.hasAwait) { - throw this.raise(Errors.UnexpectedAwaitAfterPipelineBody, this.state.startLoc); - } - } - node.right = this.parseExprOpRightExpr(op, prec); - const finishedNode = this.finishNode(node, logical || coalesce ? "LogicalExpression" : "BinaryExpression"); - const nextOp = this.state.type; - if (coalesce && (nextOp === 41 || nextOp === 42) || logical && nextOp === 40) { - throw this.raise(Errors.MixingCoalesceWithLogical, this.state.startLoc); - } - return this.parseExprOp(finishedNode, leftStartLoc, minPrec); - } - } - return left; - } - parseExprOpRightExpr(op, prec) { - const startLoc = this.state.startLoc; - switch (op) { - case 39: - switch (this.getPluginOption("pipelineOperator", "proposal")) { - case "hack": - return this.withTopicBindingContext(() => { - return this.parseHackPipeBody(); - }); - case "fsharp": - return this.withSoloAwaitPermittingContext(() => { - return this.parseFSharpPipelineBody(prec); - }); - } - if (this.getPluginOption("pipelineOperator", "proposal") === "smart") { - return this.withTopicBindingContext(() => { - if (this.prodParam.hasYield && this.isContextual(108)) { - throw this.raise(Errors.PipeBodyIsTighter, this.state.startLoc); - } - return this.parseSmartPipelineBodyInStyle(this.parseExprOpBaseRightExpr(op, prec), startLoc); - }); - } - default: - return this.parseExprOpBaseRightExpr(op, prec); - } - } - parseExprOpBaseRightExpr(op, prec) { - const startLoc = this.state.startLoc; - return this.parseExprOp(this.parseMaybeUnaryOrPrivate(), startLoc, tokenIsRightAssociative(op) ? prec - 1 : prec); - } - parseHackPipeBody() { - var _body$extra; - const { - startLoc - } = this.state; - const body = this.parseMaybeAssign(); - const requiredParentheses = UnparenthesizedPipeBodyDescriptions.has(body.type); - if (requiredParentheses && !((_body$extra = body.extra) != null && _body$extra.parenthesized)) { - this.raise(Errors.PipeUnparenthesizedBody, startLoc, { - type: body.type - }); - } - if (!this.topicReferenceWasUsedInCurrentContext()) { - this.raise(Errors.PipeTopicUnused, startLoc); - } - return body; - } - checkExponentialAfterUnary(node) { - if (this.match(57)) { - this.raise(Errors.UnexpectedTokenUnaryExponentiation, node.argument); - } - } - parseMaybeUnary(refExpressionErrors, sawUnary) { - const startLoc = this.state.startLoc; - const isAwait = this.isContextual(96); - if (isAwait && this.recordAwaitIfAllowed()) { - this.next(); - const expr = this.parseAwait(startLoc); - if (!sawUnary) this.checkExponentialAfterUnary(expr); - return expr; - } - const update = this.match(34); - const node = this.startNode(); - if (tokenIsPrefix(this.state.type)) { - node.operator = this.state.value; - node.prefix = true; - if (this.match(72)) { - this.expectPlugin("throwExpressions"); - } - const isDelete = this.match(89); - this.next(); - node.argument = this.parseMaybeUnary(null, true); - this.checkExpressionErrors(refExpressionErrors, true); - if (this.state.strict && isDelete) { - const arg = node.argument; - if (arg.type === "Identifier") { - this.raise(Errors.StrictDelete, node); - } else if (this.hasPropertyAsPrivateName(arg)) { - this.raise(Errors.DeletePrivateField, node); - } - } - if (!update) { - if (!sawUnary) { - this.checkExponentialAfterUnary(node); - } - return this.finishNode(node, "UnaryExpression"); - } - } - const expr = this.parseUpdate(node, update, refExpressionErrors); - if (isAwait) { - const { - type - } = this.state; - const startsExpr = this.hasPlugin("v8intrinsic") ? tokenCanStartExpression(type) : tokenCanStartExpression(type) && !this.match(54); - if (startsExpr && !this.isAmbiguousPrefixOrIdentifier()) { - this.raiseOverwrite(Errors.AwaitNotInAsyncContext, startLoc); - return this.parseAwait(startLoc); - } - } - return expr; - } - parseUpdate(node, update, refExpressionErrors) { - if (update) { - const updateExpressionNode = node; - this.checkLVal(updateExpressionNode.argument, this.finishNode(updateExpressionNode, "UpdateExpression")); - return node; - } - const startLoc = this.state.startLoc; - let expr = this.parseExprSubscripts(refExpressionErrors); - if (this.checkExpressionErrors(refExpressionErrors, false)) return expr; - while (tokenIsPostfix(this.state.type) && !this.canInsertSemicolon()) { - const node = this.startNodeAt(startLoc); - node.operator = this.state.value; - node.prefix = false; - node.argument = expr; - this.next(); - this.checkLVal(expr, expr = this.finishNode(node, "UpdateExpression")); - } - return expr; - } - parseExprSubscripts(refExpressionErrors) { - const startLoc = this.state.startLoc; - const potentialArrowAt = this.state.potentialArrowAt; - const expr = this.parseExprAtom(refExpressionErrors); - if (this.shouldExitDescending(expr, potentialArrowAt)) { - return expr; - } - return this.parseSubscripts(expr, startLoc); - } - parseSubscripts(base, startLoc, noCalls) { - const state = { - optionalChainMember: false, - maybeAsyncArrow: this.atPossibleAsyncArrow(base), - stop: false - }; - do { - base = this.parseSubscript(base, startLoc, noCalls, state); - state.maybeAsyncArrow = false; - } while (!state.stop); - return base; - } - parseSubscript(base, startLoc, noCalls, state) { - const { - type - } = this.state; - if (!noCalls && type === 15) { - return this.parseBind(base, startLoc, noCalls, state); - } else if (tokenIsTemplate(type)) { - return this.parseTaggedTemplateExpression(base, startLoc, state); - } - let optional = false; - if (type === 18) { - if (noCalls) { - this.raise(Errors.OptionalChainingNoNew, this.state.startLoc); - if (this.lookaheadCharCode() === 40) { - return this.stopParseSubscript(base, state); - } - } - state.optionalChainMember = optional = true; - this.next(); - } - if (!noCalls && this.match(10)) { - return this.parseCoverCallAndAsyncArrowHead(base, startLoc, state, optional); - } else { - const computed = this.eat(0); - if (computed || optional || this.eat(16)) { - return this.parseMember(base, startLoc, state, computed, optional); - } else { - return this.stopParseSubscript(base, state); - } - } - } - stopParseSubscript(base, state) { - state.stop = true; - return base; - } - parseMember(base, startLoc, state, computed, optional) { - const node = this.startNodeAt(startLoc); - node.object = base; - node.computed = computed; - if (computed) { - node.property = this.parseExpression(); - this.expect(3); - } else if (this.match(139)) { - if (base.type === "Super") { - this.raise(Errors.SuperPrivateField, startLoc); - } - this.classScope.usePrivateName(this.state.value, this.state.startLoc); - node.property = this.parsePrivateName(); - } else { - node.property = this.parseIdentifier(true); - } - if (state.optionalChainMember) { - node.optional = optional; - return this.finishNode(node, "OptionalMemberExpression"); - } else { - return this.finishNode(node, "MemberExpression"); - } - } - parseBind(base, startLoc, noCalls, state) { - const node = this.startNodeAt(startLoc); - node.object = base; - this.next(); - node.callee = this.parseNoCallExpr(); - state.stop = true; - return this.parseSubscripts(this.finishNode(node, "BindExpression"), startLoc, noCalls); - } - parseCoverCallAndAsyncArrowHead(base, startLoc, state, optional) { - const oldMaybeInArrowParameters = this.state.maybeInArrowParameters; - let refExpressionErrors = null; - this.state.maybeInArrowParameters = true; - this.next(); - const node = this.startNodeAt(startLoc); - node.callee = base; - const { - maybeAsyncArrow, - optionalChainMember - } = state; - if (maybeAsyncArrow) { - this.expressionScope.enter(newAsyncArrowScope()); - refExpressionErrors = new ExpressionErrors(); - } - if (optionalChainMember) { - node.optional = optional; - } - if (optional) { - node.arguments = this.parseCallExpressionArguments(); - } else { - node.arguments = this.parseCallExpressionArguments(base.type !== "Super", node, refExpressionErrors); - } - let finishedNode = this.finishCallExpression(node, optionalChainMember); - if (maybeAsyncArrow && this.shouldParseAsyncArrow() && !optional) { - state.stop = true; - this.checkDestructuringPrivate(refExpressionErrors); - this.expressionScope.validateAsPattern(); - this.expressionScope.exit(); - finishedNode = this.parseAsyncArrowFromCallExpression(this.startNodeAt(startLoc), finishedNode); - } else { - if (maybeAsyncArrow) { - this.checkExpressionErrors(refExpressionErrors, true); - this.expressionScope.exit(); - } - this.toReferencedArguments(finishedNode); - } - this.state.maybeInArrowParameters = oldMaybeInArrowParameters; - return finishedNode; - } - toReferencedArguments(node, isParenthesizedExpr) { - this.toReferencedListDeep(node.arguments, isParenthesizedExpr); - } - parseTaggedTemplateExpression(base, startLoc, state) { - const node = this.startNodeAt(startLoc); - node.tag = base; - node.quasi = this.parseTemplate(true); - if (state.optionalChainMember) { - this.raise(Errors.OptionalChainingNoTemplate, startLoc); - } - return this.finishNode(node, "TaggedTemplateExpression"); - } - atPossibleAsyncArrow(base) { - return base.type === "Identifier" && base.name === "async" && this.state.lastTokEndLoc.index === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && this.offsetToSourcePos(base.start) === this.state.potentialArrowAt; - } - finishCallExpression(node, optional) { - if (node.callee.type === "Import") { - if (node.arguments.length === 0 || node.arguments.length > 2) { - this.raise(Errors.ImportCallArity, node); - } else { - for (const arg of node.arguments) { - if (arg.type === "SpreadElement") { - this.raise(Errors.ImportCallSpreadArgument, arg); - } - } - } - } - return this.finishNode(node, optional ? "OptionalCallExpression" : "CallExpression"); - } - parseCallExpressionArguments(allowPlaceholder, nodeForExtra, refExpressionErrors) { - const elts = []; - let first = true; - const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody; - this.state.inFSharpPipelineDirectBody = false; - while (!this.eat(11)) { - if (first) { - first = false; - } else { - this.expect(12); - if (this.match(11)) { - if (nodeForExtra) { - this.addTrailingCommaExtraToNode(nodeForExtra); - } - this.next(); - break; - } - } - elts.push(this.parseExprListItem(11, false, refExpressionErrors, allowPlaceholder)); - } - this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody; - return elts; - } - shouldParseAsyncArrow() { - return this.match(19) && !this.canInsertSemicolon(); - } - parseAsyncArrowFromCallExpression(node, call) { - var _call$extra; - this.resetPreviousNodeTrailingComments(call); - this.expect(19); - this.parseArrowExpression(node, call.arguments, true, (_call$extra = call.extra) == null ? void 0 : _call$extra.trailingCommaLoc); - if (call.innerComments) { - setInnerComments(node, call.innerComments); - } - if (call.callee.trailingComments) { - setInnerComments(node, call.callee.trailingComments); - } - return node; - } - parseNoCallExpr() { - const startLoc = this.state.startLoc; - return this.parseSubscripts(this.parseExprAtom(), startLoc, true); - } - parseExprAtom(refExpressionErrors) { - let node; - let decorators = null; - const { - type - } = this.state; - switch (type) { - case 79: - return this.parseSuper(); - case 83: - node = this.startNode(); - this.next(); - if (this.match(16)) { - return this.parseImportMetaPropertyOrPhaseCall(node); - } - if (this.match(10)) { - if (this.optionFlags & 512) { - return this.parseImportCall(node); - } else { - return this.finishNode(node, "Import"); - } - } else { - this.raise(Errors.UnsupportedImport, this.state.lastTokStartLoc); - return this.finishNode(node, "Import"); - } - case 78: - node = this.startNode(); - this.next(); - return this.finishNode(node, "ThisExpression"); - case 90: - { - return this.parseDo(this.startNode(), false); - } - case 56: - case 31: - { - this.readRegexp(); - return this.parseRegExpLiteral(this.state.value); - } - case 135: - return this.parseNumericLiteral(this.state.value); - case 136: - return this.parseBigIntLiteral(this.state.value); - case 134: - return this.parseStringLiteral(this.state.value); - case 84: - return this.parseNullLiteral(); - case 85: - return this.parseBooleanLiteral(true); - case 86: - return this.parseBooleanLiteral(false); - case 10: - { - const canBeArrow = this.state.potentialArrowAt === this.state.start; - return this.parseParenAndDistinguishExpression(canBeArrow); - } - case 0: - { - return this.parseArrayLike(3, false, refExpressionErrors); - } - case 5: - { - return this.parseObjectLike(8, false, false, refExpressionErrors); - } - case 68: - return this.parseFunctionOrFunctionSent(); - case 26: - decorators = this.parseDecorators(); - case 80: - return this.parseClass(this.maybeTakeDecorators(decorators, this.startNode()), false); - case 77: - return this.parseNewOrNewTarget(); - case 25: - case 24: - return this.parseTemplate(false); - case 15: - { - node = this.startNode(); - this.next(); - node.object = null; - const callee = node.callee = this.parseNoCallExpr(); - if (callee.type === "MemberExpression") { - return this.finishNode(node, "BindExpression"); - } else { - throw this.raise(Errors.UnsupportedBind, callee); - } - } - case 139: - { - this.raise(Errors.PrivateInExpectedIn, this.state.startLoc, { - identifierName: this.state.value - }); - return this.parsePrivateName(); - } - case 33: - { - return this.parseTopicReferenceThenEqualsSign(54, "%"); - } - case 32: - { - return this.parseTopicReferenceThenEqualsSign(44, "^"); - } - case 37: - case 38: - { - return this.parseTopicReference("hack"); - } - case 44: - case 54: - case 27: - { - const pipeProposal = this.getPluginOption("pipelineOperator", "proposal"); - if (pipeProposal) { - return this.parseTopicReference(pipeProposal); - } - throw this.unexpected(); - } - case 47: - { - const lookaheadCh = this.input.codePointAt(this.nextTokenStart()); - if (isIdentifierStart(lookaheadCh) || lookaheadCh === 62) { - throw this.expectOnePlugin(["jsx", "flow", "typescript"]); - } - throw this.unexpected(); - } - default: - if (type === 137) { - return this.parseDecimalLiteral(this.state.value); - } else if (type === 2 || type === 1) { - return this.parseArrayLike(this.state.type === 2 ? 4 : 3, true); - } else if (type === 6 || type === 7) { - return this.parseObjectLike(this.state.type === 6 ? 9 : 8, false, true); - } - if (tokenIsIdentifier(type)) { - if (this.isContextual(127) && this.lookaheadInLineCharCode() === 123) { - return this.parseModuleExpression(); - } - const canBeArrow = this.state.potentialArrowAt === this.state.start; - const containsEsc = this.state.containsEsc; - const id = this.parseIdentifier(); - if (!containsEsc && id.name === "async" && !this.canInsertSemicolon()) { - const { - type - } = this.state; - if (type === 68) { - this.resetPreviousNodeTrailingComments(id); - this.next(); - return this.parseAsyncFunctionExpression(this.startNodeAtNode(id)); - } else if (tokenIsIdentifier(type)) { - if (this.lookaheadCharCode() === 61) { - return this.parseAsyncArrowUnaryFunction(this.startNodeAtNode(id)); - } else { - return id; - } - } else if (type === 90) { - this.resetPreviousNodeTrailingComments(id); - return this.parseDo(this.startNodeAtNode(id), true); - } - } - if (canBeArrow && this.match(19) && !this.canInsertSemicolon()) { - this.next(); - return this.parseArrowExpression(this.startNodeAtNode(id), [id], false); - } - return id; - } else { - throw this.unexpected(); - } - } - } - parseTopicReferenceThenEqualsSign(topicTokenType, topicTokenValue) { - const pipeProposal = this.getPluginOption("pipelineOperator", "proposal"); - if (pipeProposal) { - this.state.type = topicTokenType; - this.state.value = topicTokenValue; - this.state.pos--; - this.state.end--; - this.state.endLoc = createPositionWithColumnOffset(this.state.endLoc, -1); - return this.parseTopicReference(pipeProposal); - } - throw this.unexpected(); - } - parseTopicReference(pipeProposal) { - const node = this.startNode(); - const startLoc = this.state.startLoc; - const tokenType = this.state.type; - this.next(); - return this.finishTopicReference(node, startLoc, pipeProposal, tokenType); - } - finishTopicReference(node, startLoc, pipeProposal, tokenType) { - if (this.testTopicReferenceConfiguration(pipeProposal, startLoc, tokenType)) { - if (pipeProposal === "hack") { - if (!this.topicReferenceIsAllowedInCurrentContext()) { - this.raise(Errors.PipeTopicUnbound, startLoc); - } - this.registerTopicReference(); - return this.finishNode(node, "TopicReference"); - } else { - if (!this.topicReferenceIsAllowedInCurrentContext()) { - this.raise(Errors.PrimaryTopicNotAllowed, startLoc); - } - this.registerTopicReference(); - return this.finishNode(node, "PipelinePrimaryTopicReference"); - } - } else { - throw this.raise(Errors.PipeTopicUnconfiguredToken, startLoc, { - token: tokenLabelName(tokenType) - }); - } - } - testTopicReferenceConfiguration(pipeProposal, startLoc, tokenType) { - switch (pipeProposal) { - case "hack": - { - return this.hasPlugin(["pipelineOperator", { - topicToken: tokenLabelName(tokenType) - }]); - } - case "smart": - return tokenType === 27; - default: - throw this.raise(Errors.PipeTopicRequiresHackPipes, startLoc); - } - } - parseAsyncArrowUnaryFunction(node) { - this.prodParam.enter(functionFlags(true, this.prodParam.hasYield)); - const params = [this.parseIdentifier()]; - this.prodParam.exit(); - if (this.hasPrecedingLineBreak()) { - this.raise(Errors.LineTerminatorBeforeArrow, this.state.curPosition()); - } - this.expect(19); - return this.parseArrowExpression(node, params, true); - } - parseDo(node, isAsync) { - this.expectPlugin("doExpressions"); - if (isAsync) { - this.expectPlugin("asyncDoExpressions"); - } - node.async = isAsync; - this.next(); - const oldLabels = this.state.labels; - this.state.labels = []; - if (isAsync) { - this.prodParam.enter(2); - node.body = this.parseBlock(); - this.prodParam.exit(); - } else { - node.body = this.parseBlock(); - } - this.state.labels = oldLabels; - return this.finishNode(node, "DoExpression"); - } - parseSuper() { - const node = this.startNode(); - this.next(); - if (this.match(10) && !this.scope.allowDirectSuper) { - if (!(this.optionFlags & 16)) { - this.raise(Errors.SuperNotAllowed, node); - } - } else if (!this.scope.allowSuper) { - if (!(this.optionFlags & 16)) { - this.raise(Errors.UnexpectedSuper, node); - } - } - if (!this.match(10) && !this.match(0) && !this.match(16)) { - this.raise(Errors.UnsupportedSuper, node); - } - return this.finishNode(node, "Super"); - } - parsePrivateName() { - const node = this.startNode(); - const id = this.startNodeAt(createPositionWithColumnOffset(this.state.startLoc, 1)); - const name = this.state.value; - this.next(); - node.id = this.createIdentifier(id, name); - return this.finishNode(node, "PrivateName"); - } - parseFunctionOrFunctionSent() { - const node = this.startNode(); - this.next(); - if (this.prodParam.hasYield && this.match(16)) { - const meta = this.createIdentifier(this.startNodeAtNode(node), "function"); - this.next(); - if (this.match(103)) { - this.expectPlugin("functionSent"); - } else if (!this.hasPlugin("functionSent")) { - this.unexpected(); - } - return this.parseMetaProperty(node, meta, "sent"); - } - return this.parseFunction(node); - } - parseMetaProperty(node, meta, propertyName) { - node.meta = meta; - const containsEsc = this.state.containsEsc; - node.property = this.parseIdentifier(true); - if (node.property.name !== propertyName || containsEsc) { - this.raise(Errors.UnsupportedMetaProperty, node.property, { - target: meta.name, - onlyValidPropertyName: propertyName - }); - } - return this.finishNode(node, "MetaProperty"); - } - parseImportMetaPropertyOrPhaseCall(node) { - this.next(); - if (this.isContextual(105) || this.isContextual(97)) { - const isSource = this.isContextual(105); - this.expectPlugin(isSource ? "sourcePhaseImports" : "deferredImportEvaluation"); - this.next(); - node.phase = isSource ? "source" : "defer"; - return this.parseImportCall(node); - } else { - const id = this.createIdentifierAt(this.startNodeAtNode(node), "import", this.state.lastTokStartLoc); - if (this.isContextual(101)) { - if (!this.inModule) { - this.raise(Errors.ImportMetaOutsideModule, id); - } - this.sawUnambiguousESM = true; - } - return this.parseMetaProperty(node, id, "meta"); - } - } - parseLiteralAtNode(value, type, node) { - this.addExtra(node, "rawValue", value); - this.addExtra(node, "raw", this.input.slice(this.offsetToSourcePos(node.start), this.state.end)); - node.value = value; - this.next(); - return this.finishNode(node, type); - } - parseLiteral(value, type) { - const node = this.startNode(); - return this.parseLiteralAtNode(value, type, node); - } - parseStringLiteral(value) { - return this.parseLiteral(value, "StringLiteral"); - } - parseNumericLiteral(value) { - return this.parseLiteral(value, "NumericLiteral"); - } - parseBigIntLiteral(value) { - return this.parseLiteral(value, "BigIntLiteral"); - } - parseDecimalLiteral(value) { - return this.parseLiteral(value, "DecimalLiteral"); - } - parseRegExpLiteral(value) { - const node = this.startNode(); - this.addExtra(node, "raw", this.input.slice(this.offsetToSourcePos(node.start), this.state.end)); - node.pattern = value.pattern; - node.flags = value.flags; - this.next(); - return this.finishNode(node, "RegExpLiteral"); - } - parseBooleanLiteral(value) { - const node = this.startNode(); - node.value = value; - this.next(); - return this.finishNode(node, "BooleanLiteral"); - } - parseNullLiteral() { - const node = this.startNode(); - this.next(); - return this.finishNode(node, "NullLiteral"); - } - parseParenAndDistinguishExpression(canBeArrow) { - const startLoc = this.state.startLoc; - let val; - this.next(); - this.expressionScope.enter(newArrowHeadScope()); - const oldMaybeInArrowParameters = this.state.maybeInArrowParameters; - const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody; - this.state.maybeInArrowParameters = true; - this.state.inFSharpPipelineDirectBody = false; - const innerStartLoc = this.state.startLoc; - const exprList = []; - const refExpressionErrors = new ExpressionErrors(); - let first = true; - let spreadStartLoc; - let optionalCommaStartLoc; - while (!this.match(11)) { - if (first) { - first = false; - } else { - this.expect(12, refExpressionErrors.optionalParametersLoc === null ? null : refExpressionErrors.optionalParametersLoc); - if (this.match(11)) { - optionalCommaStartLoc = this.state.startLoc; - break; - } - } - if (this.match(21)) { - const spreadNodeStartLoc = this.state.startLoc; - spreadStartLoc = this.state.startLoc; - exprList.push(this.parseParenItem(this.parseRestBinding(), spreadNodeStartLoc)); - if (!this.checkCommaAfterRest(41)) { - break; - } - } else { - exprList.push(this.parseMaybeAssignAllowInOrVoidPattern(11, refExpressionErrors, this.parseParenItem)); - } - } - const innerEndLoc = this.state.lastTokEndLoc; - this.expect(11); - this.state.maybeInArrowParameters = oldMaybeInArrowParameters; - this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody; - let arrowNode = this.startNodeAt(startLoc); - if (canBeArrow && this.shouldParseArrow(exprList) && (arrowNode = this.parseArrow(arrowNode))) { - this.checkDestructuringPrivate(refExpressionErrors); - this.expressionScope.validateAsPattern(); - this.expressionScope.exit(); - this.parseArrowExpression(arrowNode, exprList, false); - return arrowNode; - } - this.expressionScope.exit(); - if (!exprList.length) { - this.unexpected(this.state.lastTokStartLoc); - } - if (optionalCommaStartLoc) this.unexpected(optionalCommaStartLoc); - if (spreadStartLoc) this.unexpected(spreadStartLoc); - this.checkExpressionErrors(refExpressionErrors, true); - this.toReferencedListDeep(exprList, true); - if (exprList.length > 1) { - val = this.startNodeAt(innerStartLoc); - val.expressions = exprList; - this.finishNode(val, "SequenceExpression"); - this.resetEndLocation(val, innerEndLoc); - } else { - val = exprList[0]; - } - return this.wrapParenthesis(startLoc, val); - } - wrapParenthesis(startLoc, expression) { - if (!(this.optionFlags & 1024)) { - this.addExtra(expression, "parenthesized", true); - this.addExtra(expression, "parenStart", startLoc.index); - this.takeSurroundingComments(expression, startLoc.index, this.state.lastTokEndLoc.index); - return expression; - } - const parenExpression = this.startNodeAt(startLoc); - parenExpression.expression = expression; - return this.finishNode(parenExpression, "ParenthesizedExpression"); - } - shouldParseArrow(params) { - return !this.canInsertSemicolon(); - } - parseArrow(node) { - if (this.eat(19)) { - return node; - } - } - parseParenItem(node, startLoc) { - return node; - } - parseNewOrNewTarget() { - const node = this.startNode(); - this.next(); - if (this.match(16)) { - const meta = this.createIdentifier(this.startNodeAtNode(node), "new"); - this.next(); - const metaProp = this.parseMetaProperty(node, meta, "target"); - if (!this.scope.allowNewTarget) { - this.raise(Errors.UnexpectedNewTarget, metaProp); - } - return metaProp; - } - return this.parseNew(node); - } - parseNew(node) { - this.parseNewCallee(node); - if (this.eat(10)) { - const args = this.parseExprList(11); - this.toReferencedList(args); - node.arguments = args; - } else { - node.arguments = []; - } - return this.finishNode(node, "NewExpression"); - } - parseNewCallee(node) { - const isImport = this.match(83); - const callee = this.parseNoCallExpr(); - node.callee = callee; - if (isImport && (callee.type === "Import" || callee.type === "ImportExpression")) { - this.raise(Errors.ImportCallNotNewExpression, callee); - } - } - parseTemplateElement(isTagged) { - const { - start, - startLoc, - end, - value - } = this.state; - const elemStart = start + 1; - const elem = this.startNodeAt(createPositionWithColumnOffset(startLoc, 1)); - if (value === null) { - if (!isTagged) { - this.raise(Errors.InvalidEscapeSequenceTemplate, createPositionWithColumnOffset(this.state.firstInvalidTemplateEscapePos, 1)); - } - } - const isTail = this.match(24); - const endOffset = isTail ? -1 : -2; - const elemEnd = end + endOffset; - elem.value = { - raw: this.input.slice(elemStart, elemEnd).replace(/\r\n?/g, "\n"), - cooked: value === null ? null : value.slice(1, endOffset) - }; - elem.tail = isTail; - this.next(); - const finishedNode = this.finishNode(elem, "TemplateElement"); - this.resetEndLocation(finishedNode, createPositionWithColumnOffset(this.state.lastTokEndLoc, endOffset)); - return finishedNode; - } - parseTemplate(isTagged) { - const node = this.startNode(); - let curElt = this.parseTemplateElement(isTagged); - const quasis = [curElt]; - const substitutions = []; - while (!curElt.tail) { - substitutions.push(this.parseTemplateSubstitution()); - this.readTemplateContinuation(); - quasis.push(curElt = this.parseTemplateElement(isTagged)); - } - node.expressions = substitutions; - node.quasis = quasis; - return this.finishNode(node, "TemplateLiteral"); - } - parseTemplateSubstitution() { - return this.parseExpression(); - } - parseObjectLike(close, isPattern, isRecord, refExpressionErrors) { - if (isRecord) { - this.expectPlugin("recordAndTuple"); - } - const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody; - this.state.inFSharpPipelineDirectBody = false; - let sawProto = false; - let first = true; - const node = this.startNode(); - node.properties = []; - this.next(); - while (!this.match(close)) { - if (first) { - first = false; - } else { - this.expect(12); - if (this.match(close)) { - this.addTrailingCommaExtraToNode(node); - break; - } - } - let prop; - if (isPattern) { - prop = this.parseBindingProperty(); - } else { - prop = this.parsePropertyDefinition(refExpressionErrors); - sawProto = this.checkProto(prop, isRecord, sawProto, refExpressionErrors); - } - if (isRecord && !this.isObjectProperty(prop) && prop.type !== "SpreadElement") { - this.raise(Errors.InvalidRecordProperty, prop); - } - if (prop.shorthand) { - this.addExtra(prop, "shorthand", true); - } - node.properties.push(prop); - } - this.next(); - this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody; - let type = "ObjectExpression"; - if (isPattern) { - type = "ObjectPattern"; - } else if (isRecord) { - type = "RecordExpression"; - } - return this.finishNode(node, type); - } - addTrailingCommaExtraToNode(node) { - this.addExtra(node, "trailingComma", this.state.lastTokStartLoc.index); - this.addExtra(node, "trailingCommaLoc", this.state.lastTokStartLoc, false); - } - maybeAsyncOrAccessorProp(prop) { - return !prop.computed && prop.key.type === "Identifier" && (this.isLiteralPropertyName() || this.match(0) || this.match(55)); - } - parsePropertyDefinition(refExpressionErrors) { - let decorators = []; - if (this.match(26)) { - if (this.hasPlugin("decorators")) { - this.raise(Errors.UnsupportedPropertyDecorator, this.state.startLoc); - } - while (this.match(26)) { - decorators.push(this.parseDecorator()); - } - } - const prop = this.startNode(); - let isAsync = false; - let isAccessor = false; - let startLoc; - if (this.match(21)) { - if (decorators.length) this.unexpected(); - return this.parseSpread(); - } - if (decorators.length) { - prop.decorators = decorators; - decorators = []; - } - prop.method = false; - if (refExpressionErrors) { - startLoc = this.state.startLoc; - } - let isGenerator = this.eat(55); - this.parsePropertyNamePrefixOperator(prop); - const containsEsc = this.state.containsEsc; - this.parsePropertyName(prop, refExpressionErrors); - if (!isGenerator && !containsEsc && this.maybeAsyncOrAccessorProp(prop)) { - const { - key - } = prop; - const keyName = key.name; - if (keyName === "async" && !this.hasPrecedingLineBreak()) { - isAsync = true; - this.resetPreviousNodeTrailingComments(key); - isGenerator = this.eat(55); - this.parsePropertyName(prop); - } - if (keyName === "get" || keyName === "set") { - isAccessor = true; - this.resetPreviousNodeTrailingComments(key); - prop.kind = keyName; - if (this.match(55)) { - isGenerator = true; - this.raise(Errors.AccessorIsGenerator, this.state.curPosition(), { - kind: keyName - }); - this.next(); - } - this.parsePropertyName(prop); - } - } - return this.parseObjPropValue(prop, startLoc, isGenerator, isAsync, false, isAccessor, refExpressionErrors); - } - getGetterSetterExpectedParamCount(method) { - return method.kind === "get" ? 0 : 1; - } - getObjectOrClassMethodParams(method) { - return method.params; - } - checkGetterSetterParams(method) { - var _params; - const paramCount = this.getGetterSetterExpectedParamCount(method); - const params = this.getObjectOrClassMethodParams(method); - if (params.length !== paramCount) { - this.raise(method.kind === "get" ? Errors.BadGetterArity : Errors.BadSetterArity, method); - } - if (method.kind === "set" && ((_params = params[params.length - 1]) == null ? void 0 : _params.type) === "RestElement") { - this.raise(Errors.BadSetterRestParameter, method); - } - } - parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor) { - if (isAccessor) { - const finishedProp = this.parseMethod(prop, isGenerator, false, false, false, "ObjectMethod"); - this.checkGetterSetterParams(finishedProp); - return finishedProp; - } - if (isAsync || isGenerator || this.match(10)) { - if (isPattern) this.unexpected(); - prop.kind = "method"; - prop.method = true; - return this.parseMethod(prop, isGenerator, isAsync, false, false, "ObjectMethod"); - } - } - parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors) { - prop.shorthand = false; - if (this.eat(14)) { - prop.value = isPattern ? this.parseMaybeDefault(this.state.startLoc) : this.parseMaybeAssignAllowInOrVoidPattern(8, refExpressionErrors); - return this.finishObjectProperty(prop); - } - if (!prop.computed && prop.key.type === "Identifier") { - this.checkReservedWord(prop.key.name, prop.key.loc.start, true, false); - if (isPattern) { - prop.value = this.parseMaybeDefault(startLoc, this.cloneIdentifier(prop.key)); - } else if (this.match(29)) { - const shorthandAssignLoc = this.state.startLoc; - if (refExpressionErrors != null) { - if (refExpressionErrors.shorthandAssignLoc === null) { - refExpressionErrors.shorthandAssignLoc = shorthandAssignLoc; - } - } else { - this.raise(Errors.InvalidCoverInitializedName, shorthandAssignLoc); - } - prop.value = this.parseMaybeDefault(startLoc, this.cloneIdentifier(prop.key)); - } else { - prop.value = this.cloneIdentifier(prop.key); - } - prop.shorthand = true; - return this.finishObjectProperty(prop); - } - } - finishObjectProperty(node) { - return this.finishNode(node, "ObjectProperty"); - } - parseObjPropValue(prop, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors) { - const node = this.parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor) || this.parseObjectProperty(prop, startLoc, isPattern, refExpressionErrors); - if (!node) this.unexpected(); - return node; - } - parsePropertyName(prop, refExpressionErrors) { - if (this.eat(0)) { - prop.computed = true; - prop.key = this.parseMaybeAssignAllowIn(); - this.expect(3); - } else { - const { - type, - value - } = this.state; - let key; - if (tokenIsKeywordOrIdentifier(type)) { - key = this.parseIdentifier(true); - } else { - switch (type) { - case 135: - key = this.parseNumericLiteral(value); - break; - case 134: - key = this.parseStringLiteral(value); - break; - case 136: - key = this.parseBigIntLiteral(value); - break; - case 139: - { - const privateKeyLoc = this.state.startLoc; - if (refExpressionErrors != null) { - if (refExpressionErrors.privateKeyLoc === null) { - refExpressionErrors.privateKeyLoc = privateKeyLoc; - } - } else { - this.raise(Errors.UnexpectedPrivateField, privateKeyLoc); - } - key = this.parsePrivateName(); - break; - } - default: - if (type === 137) { - key = this.parseDecimalLiteral(value); - break; - } - this.unexpected(); - } - } - prop.key = key; - if (type !== 139) { - prop.computed = false; - } - } - } - initFunction(node, isAsync) { - node.id = null; - node.generator = false; - node.async = isAsync; - } - parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope = false) { - this.initFunction(node, isAsync); - node.generator = isGenerator; - this.scope.enter(514 | 16 | (inClassScope ? 576 : 0) | (allowDirectSuper ? 32 : 0)); - this.prodParam.enter(functionFlags(isAsync, node.generator)); - this.parseFunctionParams(node, isConstructor); - const finishedNode = this.parseFunctionBodyAndFinish(node, type, true); - this.prodParam.exit(); - this.scope.exit(); - return finishedNode; - } - parseArrayLike(close, isTuple, refExpressionErrors) { - if (isTuple) { - this.expectPlugin("recordAndTuple"); - } - const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody; - this.state.inFSharpPipelineDirectBody = false; - const node = this.startNode(); - this.next(); - node.elements = this.parseExprList(close, !isTuple, refExpressionErrors, node); - this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody; - return this.finishNode(node, isTuple ? "TupleExpression" : "ArrayExpression"); - } - parseArrowExpression(node, params, isAsync, trailingCommaLoc) { - this.scope.enter(514 | 4); - let flags = functionFlags(isAsync, false); - if (!this.match(5) && this.prodParam.hasIn) { - flags |= 8; - } - this.prodParam.enter(flags); - this.initFunction(node, isAsync); - const oldMaybeInArrowParameters = this.state.maybeInArrowParameters; - if (params) { - this.state.maybeInArrowParameters = true; - this.setArrowFunctionParameters(node, params, trailingCommaLoc); - } - this.state.maybeInArrowParameters = false; - this.parseFunctionBody(node, true); - this.prodParam.exit(); - this.scope.exit(); - this.state.maybeInArrowParameters = oldMaybeInArrowParameters; - return this.finishNode(node, "ArrowFunctionExpression"); - } - setArrowFunctionParameters(node, params, trailingCommaLoc) { - this.toAssignableList(params, trailingCommaLoc, false); - node.params = params; - } - parseFunctionBodyAndFinish(node, type, isMethod = false) { - this.parseFunctionBody(node, false, isMethod); - return this.finishNode(node, type); - } - parseFunctionBody(node, allowExpression, isMethod = false) { - const isExpression = allowExpression && !this.match(5); - this.expressionScope.enter(newExpressionScope()); - if (isExpression) { - node.body = this.parseMaybeAssign(); - this.checkParams(node, false, allowExpression, false); - } else { - const oldStrict = this.state.strict; - const oldLabels = this.state.labels; - this.state.labels = []; - this.prodParam.enter(this.prodParam.currentFlags() | 4); - node.body = this.parseBlock(true, false, hasStrictModeDirective => { - const nonSimple = !this.isSimpleParamList(node.params); - if (hasStrictModeDirective && nonSimple) { - this.raise(Errors.IllegalLanguageModeDirective, (node.kind === "method" || node.kind === "constructor") && !!node.key ? node.key.loc.end : node); - } - const strictModeChanged = !oldStrict && this.state.strict; - this.checkParams(node, !this.state.strict && !allowExpression && !isMethod && !nonSimple, allowExpression, strictModeChanged); - if (this.state.strict && node.id) { - this.checkIdentifier(node.id, 65, strictModeChanged); - } - }); - this.prodParam.exit(); - this.state.labels = oldLabels; - } - this.expressionScope.exit(); - } - isSimpleParameter(node) { - return node.type === "Identifier"; - } - isSimpleParamList(params) { - for (let i = 0, len = params.length; i < len; i++) { - if (!this.isSimpleParameter(params[i])) return false; - } - return true; - } - checkParams(node, allowDuplicates, isArrowFunction, strictModeChanged = true) { - const checkClashes = !allowDuplicates && new Set(); - const formalParameters = { - type: "FormalParameters" - }; - for (const param of node.params) { - this.checkLVal(param, formalParameters, 5, checkClashes, strictModeChanged); - } - } - parseExprList(close, allowEmpty, refExpressionErrors, nodeForExtra) { - const elts = []; - let first = true; - while (!this.eat(close)) { - if (first) { - first = false; - } else { - this.expect(12); - if (this.match(close)) { - if (nodeForExtra) { - this.addTrailingCommaExtraToNode(nodeForExtra); - } - this.next(); - break; - } - } - elts.push(this.parseExprListItem(close, allowEmpty, refExpressionErrors)); - } - return elts; - } - parseExprListItem(close, allowEmpty, refExpressionErrors, allowPlaceholder) { - let elt; - if (this.match(12)) { - if (!allowEmpty) { - this.raise(Errors.UnexpectedToken, this.state.curPosition(), { - unexpected: "," - }); - } - elt = null; - } else if (this.match(21)) { - const spreadNodeStartLoc = this.state.startLoc; - elt = this.parseParenItem(this.parseSpread(refExpressionErrors), spreadNodeStartLoc); - } else if (this.match(17)) { - this.expectPlugin("partialApplication"); - if (!allowPlaceholder) { - this.raise(Errors.UnexpectedArgumentPlaceholder, this.state.startLoc); - } - const node = this.startNode(); - this.next(); - elt = this.finishNode(node, "ArgumentPlaceholder"); - } else { - elt = this.parseMaybeAssignAllowInOrVoidPattern(close, refExpressionErrors, this.parseParenItem); - } - return elt; - } - parseIdentifier(liberal) { - const node = this.startNode(); - const name = this.parseIdentifierName(liberal); - return this.createIdentifier(node, name); - } - createIdentifier(node, name) { - node.name = name; - node.loc.identifierName = name; - return this.finishNode(node, "Identifier"); - } - createIdentifierAt(node, name, endLoc) { - node.name = name; - node.loc.identifierName = name; - return this.finishNodeAt(node, "Identifier", endLoc); - } - parseIdentifierName(liberal) { - let name; - const { - startLoc, - type - } = this.state; - if (tokenIsKeywordOrIdentifier(type)) { - name = this.state.value; - } else { - this.unexpected(); - } - const tokenIsKeyword = tokenKeywordOrIdentifierIsKeyword(type); - if (liberal) { - if (tokenIsKeyword) { - this.replaceToken(132); - } - } else { - this.checkReservedWord(name, startLoc, tokenIsKeyword, false); - } - this.next(); - return name; - } - checkReservedWord(word, startLoc, checkKeywords, isBinding) { - if (word.length > 10) { - return; - } - if (!canBeReservedWord(word)) { - return; - } - if (checkKeywords && isKeyword(word)) { - this.raise(Errors.UnexpectedKeyword, startLoc, { - keyword: word - }); - return; - } - const reservedTest = !this.state.strict ? isReservedWord : isBinding ? isStrictBindReservedWord : isStrictReservedWord; - if (reservedTest(word, this.inModule)) { - this.raise(Errors.UnexpectedReservedWord, startLoc, { - reservedWord: word - }); - return; - } else if (word === "yield") { - if (this.prodParam.hasYield) { - this.raise(Errors.YieldBindingIdentifier, startLoc); - return; - } - } else if (word === "await") { - if (this.prodParam.hasAwait) { - this.raise(Errors.AwaitBindingIdentifier, startLoc); - return; - } - if (this.scope.inStaticBlock) { - this.raise(Errors.AwaitBindingIdentifierInStaticBlock, startLoc); - return; - } - this.expressionScope.recordAsyncArrowParametersError(startLoc); - } else if (word === "arguments") { - if (this.scope.inClassAndNotInNonArrowFunction) { - this.raise(Errors.ArgumentsInClass, startLoc); - return; - } - } - } - recordAwaitIfAllowed() { - const isAwaitAllowed = this.prodParam.hasAwait; - if (isAwaitAllowed && !this.scope.inFunction) { - this.state.hasTopLevelAwait = true; - } - return isAwaitAllowed; - } - parseAwait(startLoc) { - const node = this.startNodeAt(startLoc); - this.expressionScope.recordParameterInitializerError(Errors.AwaitExpressionFormalParameter, node); - if (this.eat(55)) { - this.raise(Errors.ObsoleteAwaitStar, node); - } - if (!this.scope.inFunction && !(this.optionFlags & 1)) { - if (this.isAmbiguousPrefixOrIdentifier()) { - this.ambiguousScriptDifferentAst = true; - } else { - this.sawUnambiguousESM = true; - } - } - if (!this.state.soloAwait) { - node.argument = this.parseMaybeUnary(null, true); - } - return this.finishNode(node, "AwaitExpression"); - } - isAmbiguousPrefixOrIdentifier() { - if (this.hasPrecedingLineBreak()) return true; - const { - type - } = this.state; - return type === 53 || type === 10 || type === 0 || tokenIsTemplate(type) || type === 102 && !this.state.containsEsc || type === 138 || type === 56 || this.hasPlugin("v8intrinsic") && type === 54; - } - parseYield(startLoc) { - const node = this.startNodeAt(startLoc); - this.expressionScope.recordParameterInitializerError(Errors.YieldInParameter, node); - let delegating = false; - let argument = null; - if (!this.hasPrecedingLineBreak()) { - delegating = this.eat(55); - switch (this.state.type) { - case 13: - case 140: - case 8: - case 11: - case 3: - case 9: - case 14: - case 12: - if (!delegating) break; - default: - argument = this.parseMaybeAssign(); - } - } - node.delegate = delegating; - node.argument = argument; - return this.finishNode(node, "YieldExpression"); - } - parseImportCall(node) { - this.next(); - node.source = this.parseMaybeAssignAllowIn(); - node.options = null; - if (this.eat(12)) { - if (!this.match(11)) { - node.options = this.parseMaybeAssignAllowIn(); - if (this.eat(12)) { - this.addTrailingCommaExtraToNode(node.options); - if (!this.match(11)) { - do { - this.parseMaybeAssignAllowIn(); - } while (this.eat(12) && !this.match(11)); - this.raise(Errors.ImportCallArity, node); - } - } - } else { - this.addTrailingCommaExtraToNode(node.source); - } - } - this.expect(11); - return this.finishNode(node, "ImportExpression"); - } - checkPipelineAtInfixOperator(left, leftStartLoc) { - if (this.hasPlugin(["pipelineOperator", { - proposal: "smart" - }])) { - if (left.type === "SequenceExpression") { - this.raise(Errors.PipelineHeadSequenceExpression, leftStartLoc); - } - } - } - parseSmartPipelineBodyInStyle(childExpr, startLoc) { - if (this.isSimpleReference(childExpr)) { - const bodyNode = this.startNodeAt(startLoc); - bodyNode.callee = childExpr; - return this.finishNode(bodyNode, "PipelineBareFunction"); - } else { - const bodyNode = this.startNodeAt(startLoc); - this.checkSmartPipeTopicBodyEarlyErrors(startLoc); - bodyNode.expression = childExpr; - return this.finishNode(bodyNode, "PipelineTopicExpression"); - } - } - isSimpleReference(expression) { - switch (expression.type) { - case "MemberExpression": - return !expression.computed && this.isSimpleReference(expression.object); - case "Identifier": - return true; - default: - return false; - } - } - checkSmartPipeTopicBodyEarlyErrors(startLoc) { - if (this.match(19)) { - throw this.raise(Errors.PipelineBodyNoArrow, this.state.startLoc); - } - if (!this.topicReferenceWasUsedInCurrentContext()) { - this.raise(Errors.PipelineTopicUnused, startLoc); - } - } - withTopicBindingContext(callback) { - const outerContextTopicState = this.state.topicContext; - this.state.topicContext = { - maxNumOfResolvableTopics: 1, - maxTopicIndex: null - }; - try { - return callback(); - } finally { - this.state.topicContext = outerContextTopicState; - } - } - withSmartMixTopicForbiddingContext(callback) { - if (this.hasPlugin(["pipelineOperator", { - proposal: "smart" - }])) { - const outerContextTopicState = this.state.topicContext; - this.state.topicContext = { - maxNumOfResolvableTopics: 0, - maxTopicIndex: null - }; - try { - return callback(); - } finally { - this.state.topicContext = outerContextTopicState; - } - } else { - return callback(); - } - } - withSoloAwaitPermittingContext(callback) { - const outerContextSoloAwaitState = this.state.soloAwait; - this.state.soloAwait = true; - try { - return callback(); - } finally { - this.state.soloAwait = outerContextSoloAwaitState; - } - } - allowInAnd(callback) { - const flags = this.prodParam.currentFlags(); - const prodParamToSet = 8 & ~flags; - if (prodParamToSet) { - this.prodParam.enter(flags | 8); - try { - return callback(); - } finally { - this.prodParam.exit(); - } - } - return callback(); - } - disallowInAnd(callback) { - const flags = this.prodParam.currentFlags(); - const prodParamToClear = 8 & flags; - if (prodParamToClear) { - this.prodParam.enter(flags & ~8); - try { - return callback(); - } finally { - this.prodParam.exit(); - } - } - return callback(); - } - registerTopicReference() { - this.state.topicContext.maxTopicIndex = 0; - } - topicReferenceIsAllowedInCurrentContext() { - return this.state.topicContext.maxNumOfResolvableTopics >= 1; - } - topicReferenceWasUsedInCurrentContext() { - return this.state.topicContext.maxTopicIndex != null && this.state.topicContext.maxTopicIndex >= 0; - } - parseFSharpPipelineBody(prec) { - const startLoc = this.state.startLoc; - this.state.potentialArrowAt = this.state.start; - const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody; - this.state.inFSharpPipelineDirectBody = true; - const ret = this.parseExprOp(this.parseMaybeUnaryOrPrivate(), startLoc, prec); - this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody; - return ret; - } - parseModuleExpression() { - this.expectPlugin("moduleBlocks"); - const node = this.startNode(); - this.next(); - if (!this.match(5)) { - this.unexpected(null, 5); - } - const program = this.startNodeAt(this.state.endLoc); - this.next(); - const revertScopes = this.initializeScopes(true); - this.enterInitialScopes(); - try { - node.body = this.parseProgram(program, 8, "module"); - } finally { - revertScopes(); - } - return this.finishNode(node, "ModuleExpression"); - } - parseVoidPattern(refExpressionErrors) { - this.expectPlugin("discardBinding"); - const node = this.startNode(); - if (refExpressionErrors != null) { - refExpressionErrors.voidPatternLoc = this.state.startLoc; - } - this.next(); - return this.finishNode(node, "VoidPattern"); - } - parseMaybeAssignAllowInOrVoidPattern(close, refExpressionErrors, afterLeftParse) { - if (refExpressionErrors != null && this.match(88)) { - const nextCode = this.lookaheadCharCode(); - if (nextCode === 44 || nextCode === (close === 3 ? 93 : close === 8 ? 125 : 41) || nextCode === 61) { - return this.parseMaybeDefault(this.state.startLoc, this.parseVoidPattern(refExpressionErrors)); - } - } - return this.parseMaybeAssignAllowIn(refExpressionErrors, afterLeftParse); - } - parsePropertyNamePrefixOperator(prop) {} -} -const loopLabel = { - kind: 1 - }, - switchLabel = { - kind: 2 - }; -const loneSurrogate = /[\uD800-\uDFFF]/u; -const keywordRelationalOperator = /in(?:stanceof)?/y; -function babel7CompatTokens(tokens, input, startIndex) { - for (let i = 0; i < tokens.length; i++) { - const token = tokens[i]; - const { - type - } = token; - if (typeof type === "number") { - if (type === 139) { - const { - loc, - start, - value, - end - } = token; - const hashEndPos = start + 1; - const hashEndLoc = createPositionWithColumnOffset(loc.start, 1); - tokens.splice(i, 1, new Token({ - type: getExportedToken(27), - value: "#", - start: start, - end: hashEndPos, - startLoc: loc.start, - endLoc: hashEndLoc - }), new Token({ - type: getExportedToken(132), - value: value, - start: hashEndPos, - end: end, - startLoc: hashEndLoc, - endLoc: loc.end - })); - i++; - continue; - } - if (tokenIsTemplate(type)) { - const { - loc, - start, - value, - end - } = token; - const backquoteEnd = start + 1; - const backquoteEndLoc = createPositionWithColumnOffset(loc.start, 1); - let startToken; - if (input.charCodeAt(start - startIndex) === 96) { - startToken = new Token({ - type: getExportedToken(22), - value: "`", - start: start, - end: backquoteEnd, - startLoc: loc.start, - endLoc: backquoteEndLoc - }); - } else { - startToken = new Token({ - type: getExportedToken(8), - value: "}", - start: start, - end: backquoteEnd, - startLoc: loc.start, - endLoc: backquoteEndLoc - }); - } - let templateValue, templateElementEnd, templateElementEndLoc, endToken; - if (type === 24) { - templateElementEnd = end - 1; - templateElementEndLoc = createPositionWithColumnOffset(loc.end, -1); - templateValue = value === null ? null : value.slice(1, -1); - endToken = new Token({ - type: getExportedToken(22), - value: "`", - start: templateElementEnd, - end: end, - startLoc: templateElementEndLoc, - endLoc: loc.end - }); - } else { - templateElementEnd = end - 2; - templateElementEndLoc = createPositionWithColumnOffset(loc.end, -2); - templateValue = value === null ? null : value.slice(1, -2); - endToken = new Token({ - type: getExportedToken(23), - value: "${", - start: templateElementEnd, - end: end, - startLoc: templateElementEndLoc, - endLoc: loc.end - }); - } - tokens.splice(i, 1, startToken, new Token({ - type: getExportedToken(20), - value: templateValue, - start: backquoteEnd, - end: templateElementEnd, - startLoc: backquoteEndLoc, - endLoc: templateElementEndLoc - }), endToken); - i += 2; - continue; - } - token.type = getExportedToken(type); - } - } - return tokens; -} -class StatementParser extends ExpressionParser { - parseTopLevel(file, program) { - file.program = this.parseProgram(program, 140, this.options.sourceType === "module" ? "module" : "script"); - file.comments = this.comments; - if (this.optionFlags & 256) { - file.tokens = babel7CompatTokens(this.tokens, this.input, this.startIndex); - } - return this.finishNode(file, "File"); - } - parseProgram(program, end, sourceType) { - program.sourceType = sourceType; - program.interpreter = this.parseInterpreterDirective(); - this.parseBlockBody(program, true, true, end); - if (this.inModule) { - if (!(this.optionFlags & 64) && this.scope.undefinedExports.size > 0) { - for (const [localName, at] of Array.from(this.scope.undefinedExports)) { - this.raise(Errors.ModuleExportUndefined, at, { - localName - }); - } - } - this.addExtra(program, "topLevelAwait", this.state.hasTopLevelAwait); - } - let finishedProgram; - if (end === 140) { - finishedProgram = this.finishNode(program, "Program"); - } else { - finishedProgram = this.finishNodeAt(program, "Program", createPositionWithColumnOffset(this.state.startLoc, -1)); - } - return finishedProgram; - } - stmtToDirective(stmt) { - const directive = this.castNodeTo(stmt, "Directive"); - const directiveLiteral = this.castNodeTo(stmt.expression, "DirectiveLiteral"); - const expressionValue = directiveLiteral.value; - const raw = this.input.slice(this.offsetToSourcePos(directiveLiteral.start), this.offsetToSourcePos(directiveLiteral.end)); - const val = directiveLiteral.value = raw.slice(1, -1); - this.addExtra(directiveLiteral, "raw", raw); - this.addExtra(directiveLiteral, "rawValue", val); - this.addExtra(directiveLiteral, "expressionValue", expressionValue); - directive.value = directiveLiteral; - delete stmt.expression; - return directive; - } - parseInterpreterDirective() { - if (!this.match(28)) { - return null; - } - const node = this.startNode(); - node.value = this.state.value; - this.next(); - return this.finishNode(node, "InterpreterDirective"); - } - isLet() { - if (!this.isContextual(100)) { - return false; - } - return this.hasFollowingBindingAtom(); - } - isUsing() { - if (!this.isContextual(107)) { - return false; - } - return this.nextTokenIsIdentifierOnSameLine(); - } - isForUsing() { - if (!this.isContextual(107)) { - return false; - } - const next = this.nextTokenInLineStart(); - const nextCh = this.codePointAtPos(next); - if (this.isUnparsedContextual(next, "of")) { - const nextCharAfterOf = this.lookaheadCharCodeSince(next + 2); - if (nextCharAfterOf !== 61 && nextCharAfterOf !== 58 && nextCharAfterOf !== 59) { - return false; - } - } - if (this.chStartsBindingIdentifier(nextCh, next) || this.isUnparsedContextual(next, "void")) { - return true; - } - return false; - } - nextTokenIsIdentifierOnSameLine() { - const next = this.nextTokenInLineStart(); - const nextCh = this.codePointAtPos(next); - return this.chStartsBindingIdentifier(nextCh, next); - } - isAwaitUsing() { - if (!this.isContextual(96)) { - return false; - } - let next = this.nextTokenInLineStart(); - if (this.isUnparsedContextual(next, "using")) { - next = this.nextTokenInLineStartSince(next + 5); - const nextCh = this.codePointAtPos(next); - if (this.chStartsBindingIdentifier(nextCh, next)) { - return true; - } - } - return false; - } - chStartsBindingIdentifier(ch, pos) { - if (isIdentifierStart(ch)) { - keywordRelationalOperator.lastIndex = pos; - if (keywordRelationalOperator.test(this.input)) { - const endCh = this.codePointAtPos(keywordRelationalOperator.lastIndex); - if (!isIdentifierChar(endCh) && endCh !== 92) { - return false; - } - } - return true; - } else if (ch === 92) { - return true; - } else { - return false; - } - } - chStartsBindingPattern(ch) { - return ch === 91 || ch === 123; - } - hasFollowingBindingAtom() { - const next = this.nextTokenStart(); - const nextCh = this.codePointAtPos(next); - return this.chStartsBindingPattern(nextCh) || this.chStartsBindingIdentifier(nextCh, next); - } - hasInLineFollowingBindingIdentifierOrBrace() { - const next = this.nextTokenInLineStart(); - const nextCh = this.codePointAtPos(next); - return nextCh === 123 || this.chStartsBindingIdentifier(nextCh, next); - } - allowsUsing() { - return (this.scope.inModule || !this.scope.inTopLevel) && !this.scope.inBareCaseStatement; - } - parseModuleItem() { - return this.parseStatementLike(1 | 2 | 4 | 8); - } - parseStatementListItem() { - return this.parseStatementLike(2 | 4 | (!this.options.annexB || this.state.strict ? 0 : 8)); - } - parseStatementOrSloppyAnnexBFunctionDeclaration(allowLabeledFunction = false) { - let flags = 0; - if (this.options.annexB && !this.state.strict) { - flags |= 4; - if (allowLabeledFunction) { - flags |= 8; - } - } - return this.parseStatementLike(flags); - } - parseStatement() { - return this.parseStatementLike(0); - } - parseStatementLike(flags) { - let decorators = null; - if (this.match(26)) { - decorators = this.parseDecorators(true); - } - return this.parseStatementContent(flags, decorators); - } - parseStatementContent(flags, decorators) { - const startType = this.state.type; - const node = this.startNode(); - const allowDeclaration = !!(flags & 2); - const allowFunctionDeclaration = !!(flags & 4); - const topLevel = flags & 1; - switch (startType) { - case 60: - return this.parseBreakContinueStatement(node, true); - case 63: - return this.parseBreakContinueStatement(node, false); - case 64: - return this.parseDebuggerStatement(node); - case 90: - return this.parseDoWhileStatement(node); - case 91: - return this.parseForStatement(node); - case 68: - if (this.lookaheadCharCode() === 46) break; - if (!allowFunctionDeclaration) { - this.raise(this.state.strict ? Errors.StrictFunction : this.options.annexB ? Errors.SloppyFunctionAnnexB : Errors.SloppyFunction, this.state.startLoc); - } - return this.parseFunctionStatement(node, false, !allowDeclaration && allowFunctionDeclaration); - case 80: - if (!allowDeclaration) this.unexpected(); - return this.parseClass(this.maybeTakeDecorators(decorators, node), true); - case 69: - return this.parseIfStatement(node); - case 70: - return this.parseReturnStatement(node); - case 71: - return this.parseSwitchStatement(node); - case 72: - return this.parseThrowStatement(node); - case 73: - return this.parseTryStatement(node); - case 96: - if (this.isAwaitUsing()) { - if (!this.allowsUsing()) { - this.raise(Errors.UnexpectedUsingDeclaration, node); - } else if (!allowDeclaration) { - this.raise(Errors.UnexpectedLexicalDeclaration, node); - } else if (!this.recordAwaitIfAllowed()) { - this.raise(Errors.AwaitUsingNotInAsyncContext, node); - } - this.next(); - return this.parseVarStatement(node, "await using"); - } - break; - case 107: - if (this.state.containsEsc || !this.hasInLineFollowingBindingIdentifierOrBrace()) { - break; - } - if (!this.allowsUsing()) { - this.raise(Errors.UnexpectedUsingDeclaration, this.state.startLoc); - } else if (!allowDeclaration) { - this.raise(Errors.UnexpectedLexicalDeclaration, this.state.startLoc); - } - return this.parseVarStatement(node, "using"); - case 100: - { - if (this.state.containsEsc) { - break; - } - const next = this.nextTokenStart(); - const nextCh = this.codePointAtPos(next); - if (nextCh !== 91) { - if (!allowDeclaration && this.hasFollowingLineBreak()) break; - if (!this.chStartsBindingIdentifier(nextCh, next) && nextCh !== 123) { - break; - } - } - } - case 75: - { - if (!allowDeclaration) { - this.raise(Errors.UnexpectedLexicalDeclaration, this.state.startLoc); - } - } - case 74: - { - const kind = this.state.value; - return this.parseVarStatement(node, kind); - } - case 92: - return this.parseWhileStatement(node); - case 76: - return this.parseWithStatement(node); - case 5: - return this.parseBlock(); - case 13: - return this.parseEmptyStatement(node); - case 83: - { - const nextTokenCharCode = this.lookaheadCharCode(); - if (nextTokenCharCode === 40 || nextTokenCharCode === 46) { - break; - } - } - case 82: - { - if (!(this.optionFlags & 8) && !topLevel) { - this.raise(Errors.UnexpectedImportExport, this.state.startLoc); - } - this.next(); - let result; - if (startType === 83) { - result = this.parseImport(node); - } else { - result = this.parseExport(node, decorators); - } - this.assertModuleNodeAllowed(result); - return result; - } - default: - { - if (this.isAsyncFunction()) { - if (!allowDeclaration) { - this.raise(Errors.AsyncFunctionInSingleStatementContext, this.state.startLoc); - } - this.next(); - return this.parseFunctionStatement(node, true, !allowDeclaration && allowFunctionDeclaration); - } - } - } - const maybeName = this.state.value; - const expr = this.parseExpression(); - if (tokenIsIdentifier(startType) && expr.type === "Identifier" && this.eat(14)) { - return this.parseLabeledStatement(node, maybeName, expr, flags); - } else { - return this.parseExpressionStatement(node, expr, decorators); - } - } - assertModuleNodeAllowed(node) { - if (!(this.optionFlags & 8) && !this.inModule) { - this.raise(Errors.ImportOutsideModule, node); - } - } - decoratorsEnabledBeforeExport() { - if (this.hasPlugin("decorators-legacy")) return true; - return this.hasPlugin("decorators") && this.getPluginOption("decorators", "decoratorsBeforeExport") !== false; - } - maybeTakeDecorators(maybeDecorators, classNode, exportNode) { - if (maybeDecorators) { - var _classNode$decorators; - if ((_classNode$decorators = classNode.decorators) != null && _classNode$decorators.length) { - if (typeof this.getPluginOption("decorators", "decoratorsBeforeExport") !== "boolean") { - this.raise(Errors.DecoratorsBeforeAfterExport, classNode.decorators[0]); - } - classNode.decorators.unshift(...maybeDecorators); - } else { - classNode.decorators = maybeDecorators; - } - this.resetStartLocationFromNode(classNode, maybeDecorators[0]); - if (exportNode) this.resetStartLocationFromNode(exportNode, classNode); - } - return classNode; - } - canHaveLeadingDecorator() { - return this.match(80); - } - parseDecorators(allowExport) { - const decorators = []; - do { - decorators.push(this.parseDecorator()); - } while (this.match(26)); - if (this.match(82)) { - if (!allowExport) { - this.unexpected(); - } - if (!this.decoratorsEnabledBeforeExport()) { - this.raise(Errors.DecoratorExportClass, this.state.startLoc); - } - } else if (!this.canHaveLeadingDecorator()) { - throw this.raise(Errors.UnexpectedLeadingDecorator, this.state.startLoc); - } - return decorators; - } - parseDecorator() { - this.expectOnePlugin(["decorators", "decorators-legacy"]); - const node = this.startNode(); - this.next(); - if (this.hasPlugin("decorators")) { - const startLoc = this.state.startLoc; - let expr; - if (this.match(10)) { - const startLoc = this.state.startLoc; - this.next(); - expr = this.parseExpression(); - this.expect(11); - expr = this.wrapParenthesis(startLoc, expr); - const paramsStartLoc = this.state.startLoc; - node.expression = this.parseMaybeDecoratorArguments(expr, startLoc); - if (this.getPluginOption("decorators", "allowCallParenthesized") === false && node.expression !== expr) { - this.raise(Errors.DecoratorArgumentsOutsideParentheses, paramsStartLoc); - } - } else { - expr = this.parseIdentifier(false); - while (this.eat(16)) { - const node = this.startNodeAt(startLoc); - node.object = expr; - if (this.match(139)) { - this.classScope.usePrivateName(this.state.value, this.state.startLoc); - node.property = this.parsePrivateName(); - } else { - node.property = this.parseIdentifier(true); - } - node.computed = false; - expr = this.finishNode(node, "MemberExpression"); - } - node.expression = this.parseMaybeDecoratorArguments(expr, startLoc); - } - } else { - node.expression = this.parseExprSubscripts(); - } - return this.finishNode(node, "Decorator"); - } - parseMaybeDecoratorArguments(expr, startLoc) { - if (this.eat(10)) { - const node = this.startNodeAt(startLoc); - node.callee = expr; - node.arguments = this.parseCallExpressionArguments(); - this.toReferencedList(node.arguments); - return this.finishNode(node, "CallExpression"); - } - return expr; - } - parseBreakContinueStatement(node, isBreak) { - this.next(); - if (this.isLineTerminator()) { - node.label = null; - } else { - node.label = this.parseIdentifier(); - this.semicolon(); - } - this.verifyBreakContinue(node, isBreak); - return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement"); - } - verifyBreakContinue(node, isBreak) { - let i; - for (i = 0; i < this.state.labels.length; ++i) { - const lab = this.state.labels[i]; - if (node.label == null || lab.name === node.label.name) { - if (lab.kind != null && (isBreak || lab.kind === 1)) { - break; - } - if (node.label && isBreak) break; - } - } - if (i === this.state.labels.length) { - const type = isBreak ? "BreakStatement" : "ContinueStatement"; - this.raise(Errors.IllegalBreakContinue, node, { - type - }); - } - } - parseDebuggerStatement(node) { - this.next(); - this.semicolon(); - return this.finishNode(node, "DebuggerStatement"); - } - parseHeaderExpression() { - this.expect(10); - const val = this.parseExpression(); - this.expect(11); - return val; - } - parseDoWhileStatement(node) { - this.next(); - this.state.labels.push(loopLabel); - node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement()); - this.state.labels.pop(); - this.expect(92); - node.test = this.parseHeaderExpression(); - this.eat(13); - return this.finishNode(node, "DoWhileStatement"); - } - parseForStatement(node) { - this.next(); - this.state.labels.push(loopLabel); - let awaitAt = null; - if (this.isContextual(96) && this.recordAwaitIfAllowed()) { - awaitAt = this.state.startLoc; - this.next(); - } - this.scope.enter(0); - this.expect(10); - if (this.match(13)) { - if (awaitAt !== null) { - this.unexpected(awaitAt); - } - return this.parseFor(node, null); - } - const startsWithLet = this.isContextual(100); - { - const startsWithAwaitUsing = this.isAwaitUsing(); - const starsWithUsingDeclaration = startsWithAwaitUsing || this.isForUsing(); - const isLetOrUsing = startsWithLet && this.hasFollowingBindingAtom() || starsWithUsingDeclaration; - if (this.match(74) || this.match(75) || isLetOrUsing) { - const initNode = this.startNode(); - let kind; - if (startsWithAwaitUsing) { - kind = "await using"; - if (!this.recordAwaitIfAllowed()) { - this.raise(Errors.AwaitUsingNotInAsyncContext, this.state.startLoc); - } - this.next(); - } else { - kind = this.state.value; - } - this.next(); - this.parseVar(initNode, true, kind); - const init = this.finishNode(initNode, "VariableDeclaration"); - const isForIn = this.match(58); - if (isForIn && starsWithUsingDeclaration) { - this.raise(Errors.ForInUsing, init); - } - if ((isForIn || this.isContextual(102)) && init.declarations.length === 1) { - return this.parseForIn(node, init, awaitAt); - } - if (awaitAt !== null) { - this.unexpected(awaitAt); - } - return this.parseFor(node, init); - } - } - const startsWithAsync = this.isContextual(95); - const refExpressionErrors = new ExpressionErrors(); - const init = this.parseExpression(true, refExpressionErrors); - const isForOf = this.isContextual(102); - if (isForOf) { - if (startsWithLet) { - this.raise(Errors.ForOfLet, init); - } - if (awaitAt === null && startsWithAsync && init.type === "Identifier") { - this.raise(Errors.ForOfAsync, init); - } - } - if (isForOf || this.match(58)) { - this.checkDestructuringPrivate(refExpressionErrors); - this.toAssignable(init, true); - const type = isForOf ? "ForOfStatement" : "ForInStatement"; - this.checkLVal(init, { - type - }); - return this.parseForIn(node, init, awaitAt); - } else { - this.checkExpressionErrors(refExpressionErrors, true); - } - if (awaitAt !== null) { - this.unexpected(awaitAt); - } - return this.parseFor(node, init); - } - parseFunctionStatement(node, isAsync, isHangingDeclaration) { - this.next(); - return this.parseFunction(node, 1 | (isHangingDeclaration ? 2 : 0) | (isAsync ? 8 : 0)); - } - parseIfStatement(node) { - this.next(); - node.test = this.parseHeaderExpression(); - node.consequent = this.parseStatementOrSloppyAnnexBFunctionDeclaration(); - node.alternate = this.eat(66) ? this.parseStatementOrSloppyAnnexBFunctionDeclaration() : null; - return this.finishNode(node, "IfStatement"); - } - parseReturnStatement(node) { - if (!this.prodParam.hasReturn) { - this.raise(Errors.IllegalReturn, this.state.startLoc); - } - this.next(); - if (this.isLineTerminator()) { - node.argument = null; - } else { - node.argument = this.parseExpression(); - this.semicolon(); - } - return this.finishNode(node, "ReturnStatement"); - } - parseSwitchStatement(node) { - this.next(); - node.discriminant = this.parseHeaderExpression(); - const cases = node.cases = []; - this.expect(5); - this.state.labels.push(switchLabel); - this.scope.enter(256); - let cur; - for (let sawDefault; !this.match(8);) { - if (this.match(61) || this.match(65)) { - const isCase = this.match(61); - if (cur) this.finishNode(cur, "SwitchCase"); - cases.push(cur = this.startNode()); - cur.consequent = []; - this.next(); - if (isCase) { - cur.test = this.parseExpression(); - } else { - if (sawDefault) { - this.raise(Errors.MultipleDefaultsInSwitch, this.state.lastTokStartLoc); - } - sawDefault = true; - cur.test = null; - } - this.expect(14); - } else { - if (cur) { - cur.consequent.push(this.parseStatementListItem()); - } else { - this.unexpected(); - } - } - } - this.scope.exit(); - if (cur) this.finishNode(cur, "SwitchCase"); - this.next(); - this.state.labels.pop(); - return this.finishNode(node, "SwitchStatement"); - } - parseThrowStatement(node) { - this.next(); - if (this.hasPrecedingLineBreak()) { - this.raise(Errors.NewlineAfterThrow, this.state.lastTokEndLoc); - } - node.argument = this.parseExpression(); - this.semicolon(); - return this.finishNode(node, "ThrowStatement"); - } - parseCatchClauseParam() { - const param = this.parseBindingAtom(); - this.scope.enter(this.options.annexB && param.type === "Identifier" ? 8 : 0); - this.checkLVal(param, { - type: "CatchClause" - }, 9); - return param; - } - parseTryStatement(node) { - this.next(); - node.block = this.parseBlock(); - node.handler = null; - if (this.match(62)) { - const clause = this.startNode(); - this.next(); - if (this.match(10)) { - this.expect(10); - clause.param = this.parseCatchClauseParam(); - this.expect(11); - } else { - clause.param = null; - this.scope.enter(0); - } - clause.body = this.withSmartMixTopicForbiddingContext(() => this.parseBlock(false, false)); - this.scope.exit(); - node.handler = this.finishNode(clause, "CatchClause"); - } - node.finalizer = this.eat(67) ? this.parseBlock() : null; - if (!node.handler && !node.finalizer) { - this.raise(Errors.NoCatchOrFinally, node); - } - return this.finishNode(node, "TryStatement"); - } - parseVarStatement(node, kind, allowMissingInitializer = false) { - this.next(); - this.parseVar(node, false, kind, allowMissingInitializer); - this.semicolon(); - return this.finishNode(node, "VariableDeclaration"); - } - parseWhileStatement(node) { - this.next(); - node.test = this.parseHeaderExpression(); - this.state.labels.push(loopLabel); - node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement()); - this.state.labels.pop(); - return this.finishNode(node, "WhileStatement"); - } - parseWithStatement(node) { - if (this.state.strict) { - this.raise(Errors.StrictWith, this.state.startLoc); - } - this.next(); - node.object = this.parseHeaderExpression(); - node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement()); - return this.finishNode(node, "WithStatement"); - } - parseEmptyStatement(node) { - this.next(); - return this.finishNode(node, "EmptyStatement"); - } - parseLabeledStatement(node, maybeName, expr, flags) { - for (const label of this.state.labels) { - if (label.name === maybeName) { - this.raise(Errors.LabelRedeclaration, expr, { - labelName: maybeName - }); - } - } - const kind = tokenIsLoop(this.state.type) ? 1 : this.match(71) ? 2 : null; - for (let i = this.state.labels.length - 1; i >= 0; i--) { - const label = this.state.labels[i]; - if (label.statementStart === node.start) { - label.statementStart = this.sourceToOffsetPos(this.state.start); - label.kind = kind; - } else { - break; - } - } - this.state.labels.push({ - name: maybeName, - kind: kind, - statementStart: this.sourceToOffsetPos(this.state.start) - }); - node.body = flags & 8 ? this.parseStatementOrSloppyAnnexBFunctionDeclaration(true) : this.parseStatement(); - this.state.labels.pop(); - node.label = expr; - return this.finishNode(node, "LabeledStatement"); - } - parseExpressionStatement(node, expr, decorators) { - node.expression = expr; - this.semicolon(); - return this.finishNode(node, "ExpressionStatement"); - } - parseBlock(allowDirectives = false, createNewLexicalScope = true, afterBlockParse) { - const node = this.startNode(); - if (allowDirectives) { - this.state.strictErrors.clear(); - } - this.expect(5); - if (createNewLexicalScope) { - this.scope.enter(0); - } - this.parseBlockBody(node, allowDirectives, false, 8, afterBlockParse); - if (createNewLexicalScope) { - this.scope.exit(); - } - return this.finishNode(node, "BlockStatement"); - } - isValidDirective(stmt) { - return stmt.type === "ExpressionStatement" && stmt.expression.type === "StringLiteral" && !stmt.expression.extra.parenthesized; - } - parseBlockBody(node, allowDirectives, topLevel, end, afterBlockParse) { - const body = node.body = []; - const directives = node.directives = []; - this.parseBlockOrModuleBlockBody(body, allowDirectives ? directives : undefined, topLevel, end, afterBlockParse); - } - parseBlockOrModuleBlockBody(body, directives, topLevel, end, afterBlockParse) { - const oldStrict = this.state.strict; - let hasStrictModeDirective = false; - let parsedNonDirective = false; - while (!this.match(end)) { - const stmt = topLevel ? this.parseModuleItem() : this.parseStatementListItem(); - if (directives && !parsedNonDirective) { - if (this.isValidDirective(stmt)) { - const directive = this.stmtToDirective(stmt); - directives.push(directive); - if (!hasStrictModeDirective && directive.value.value === "use strict") { - hasStrictModeDirective = true; - this.setStrict(true); - } - continue; - } - parsedNonDirective = true; - this.state.strictErrors.clear(); - } - body.push(stmt); - } - afterBlockParse == null || afterBlockParse.call(this, hasStrictModeDirective); - if (!oldStrict) { - this.setStrict(false); - } - this.next(); - } - parseFor(node, init) { - node.init = init; - this.semicolon(false); - node.test = this.match(13) ? null : this.parseExpression(); - this.semicolon(false); - node.update = this.match(11) ? null : this.parseExpression(); - this.expect(11); - node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement()); - this.scope.exit(); - this.state.labels.pop(); - return this.finishNode(node, "ForStatement"); - } - parseForIn(node, init, awaitAt) { - const isForIn = this.match(58); - this.next(); - if (isForIn) { - if (awaitAt !== null) this.unexpected(awaitAt); - } else { - node.await = awaitAt !== null; - } - if (init.type === "VariableDeclaration" && init.declarations[0].init != null && (!isForIn || !this.options.annexB || this.state.strict || init.kind !== "var" || init.declarations[0].id.type !== "Identifier")) { - this.raise(Errors.ForInOfLoopInitializer, init, { - type: isForIn ? "ForInStatement" : "ForOfStatement" - }); - } - if (init.type === "AssignmentPattern") { - this.raise(Errors.InvalidLhs, init, { - ancestor: { - type: "ForStatement" - } - }); - } - node.left = init; - node.right = isForIn ? this.parseExpression() : this.parseMaybeAssignAllowIn(); - this.expect(11); - node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement()); - this.scope.exit(); - this.state.labels.pop(); - return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement"); - } - parseVar(node, isFor, kind, allowMissingInitializer = false) { - const declarations = node.declarations = []; - node.kind = kind; - for (;;) { - const decl = this.startNode(); - this.parseVarId(decl, kind); - decl.init = !this.eat(29) ? null : isFor ? this.parseMaybeAssignDisallowIn() : this.parseMaybeAssignAllowIn(); - if (decl.init === null && !allowMissingInitializer) { - if (decl.id.type !== "Identifier" && !(isFor && (this.match(58) || this.isContextual(102)))) { - this.raise(Errors.DeclarationMissingInitializer, this.state.lastTokEndLoc, { - kind: "destructuring" - }); - } else if ((kind === "const" || kind === "using" || kind === "await using") && !(this.match(58) || this.isContextual(102))) { - this.raise(Errors.DeclarationMissingInitializer, this.state.lastTokEndLoc, { - kind - }); - } - } - declarations.push(this.finishNode(decl, "VariableDeclarator")); - if (!this.eat(12)) break; - } - return node; - } - parseVarId(decl, kind) { - const id = this.parseBindingAtom(); - if (kind === "using" || kind === "await using") { - if (id.type === "ArrayPattern" || id.type === "ObjectPattern") { - this.raise(Errors.UsingDeclarationHasBindingPattern, id.loc.start); - } - } else { - if (id.type === "VoidPattern") { - this.raise(Errors.UnexpectedVoidPattern, id.loc.start); - } - } - this.checkLVal(id, { - type: "VariableDeclarator" - }, kind === "var" ? 5 : 8201); - decl.id = id; - } - parseAsyncFunctionExpression(node) { - return this.parseFunction(node, 8); - } - parseFunction(node, flags = 0) { - const hangingDeclaration = flags & 2; - const isDeclaration = !!(flags & 1); - const requireId = isDeclaration && !(flags & 4); - const isAsync = !!(flags & 8); - this.initFunction(node, isAsync); - if (this.match(55)) { - if (hangingDeclaration) { - this.raise(Errors.GeneratorInSingleStatementContext, this.state.startLoc); - } - this.next(); - node.generator = true; - } - if (isDeclaration) { - node.id = this.parseFunctionId(requireId); - } - const oldMaybeInArrowParameters = this.state.maybeInArrowParameters; - this.state.maybeInArrowParameters = false; - this.scope.enter(514); - this.prodParam.enter(functionFlags(isAsync, node.generator)); - if (!isDeclaration) { - node.id = this.parseFunctionId(); - } - this.parseFunctionParams(node, false); - this.withSmartMixTopicForbiddingContext(() => { - this.parseFunctionBodyAndFinish(node, isDeclaration ? "FunctionDeclaration" : "FunctionExpression"); - }); - this.prodParam.exit(); - this.scope.exit(); - if (isDeclaration && !hangingDeclaration) { - this.registerFunctionStatementId(node); - } - this.state.maybeInArrowParameters = oldMaybeInArrowParameters; - return node; - } - parseFunctionId(requireId) { - return requireId || tokenIsIdentifier(this.state.type) ? this.parseIdentifier() : null; - } - parseFunctionParams(node, isConstructor) { - this.expect(10); - this.expressionScope.enter(newParameterDeclarationScope()); - node.params = this.parseBindingList(11, 41, 2 | (isConstructor ? 4 : 0)); - this.expressionScope.exit(); - } - registerFunctionStatementId(node) { - if (!node.id) return; - this.scope.declareName(node.id.name, !this.options.annexB || this.state.strict || node.generator || node.async ? this.scope.treatFunctionsAsVar ? 5 : 8201 : 17, node.id.loc.start); - } - parseClass(node, isStatement, optionalId) { - this.next(); - const oldStrict = this.state.strict; - this.state.strict = true; - this.parseClassId(node, isStatement, optionalId); - this.parseClassSuper(node); - node.body = this.parseClassBody(!!node.superClass, oldStrict); - return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression"); - } - isClassProperty() { - return this.match(29) || this.match(13) || this.match(8); - } - isClassMethod() { - return this.match(10); - } - nameIsConstructor(key) { - return key.type === "Identifier" && key.name === "constructor" || key.type === "StringLiteral" && key.value === "constructor"; - } - isNonstaticConstructor(method) { - return !method.computed && !method.static && this.nameIsConstructor(method.key); - } - parseClassBody(hadSuperClass, oldStrict) { - this.classScope.enter(); - const state = { - hadConstructor: false, - hadSuperClass - }; - let decorators = []; - const classBody = this.startNode(); - classBody.body = []; - this.expect(5); - this.withSmartMixTopicForbiddingContext(() => { - while (!this.match(8)) { - if (this.eat(13)) { - if (decorators.length > 0) { - throw this.raise(Errors.DecoratorSemicolon, this.state.lastTokEndLoc); - } - continue; - } - if (this.match(26)) { - decorators.push(this.parseDecorator()); - continue; - } - const member = this.startNode(); - if (decorators.length) { - member.decorators = decorators; - this.resetStartLocationFromNode(member, decorators[0]); - decorators = []; - } - this.parseClassMember(classBody, member, state); - if (member.kind === "constructor" && member.decorators && member.decorators.length > 0) { - this.raise(Errors.DecoratorConstructor, member); - } - } - }); - this.state.strict = oldStrict; - this.next(); - if (decorators.length) { - throw this.raise(Errors.TrailingDecorator, this.state.startLoc); - } - this.classScope.exit(); - return this.finishNode(classBody, "ClassBody"); - } - parseClassMemberFromModifier(classBody, member) { - const key = this.parseIdentifier(true); - if (this.isClassMethod()) { - const method = member; - method.kind = "method"; - method.computed = false; - method.key = key; - method.static = false; - this.pushClassMethod(classBody, method, false, false, false, false); - return true; - } else if (this.isClassProperty()) { - const prop = member; - prop.computed = false; - prop.key = key; - prop.static = false; - classBody.body.push(this.parseClassProperty(prop)); - return true; - } - this.resetPreviousNodeTrailingComments(key); - return false; - } - parseClassMember(classBody, member, state) { - const isStatic = this.isContextual(106); - if (isStatic) { - if (this.parseClassMemberFromModifier(classBody, member)) { - return; - } - if (this.eat(5)) { - this.parseClassStaticBlock(classBody, member); - return; - } - } - this.parseClassMemberWithIsStatic(classBody, member, state, isStatic); - } - parseClassMemberWithIsStatic(classBody, member, state, isStatic) { - const publicMethod = member; - const privateMethod = member; - const publicProp = member; - const privateProp = member; - const accessorProp = member; - const method = publicMethod; - const publicMember = publicMethod; - member.static = isStatic; - this.parsePropertyNamePrefixOperator(member); - if (this.eat(55)) { - method.kind = "method"; - const isPrivateName = this.match(139); - this.parseClassElementName(method); - this.parsePostMemberNameModifiers(method); - if (isPrivateName) { - this.pushClassPrivateMethod(classBody, privateMethod, true, false); - return; - } - if (this.isNonstaticConstructor(publicMethod)) { - this.raise(Errors.ConstructorIsGenerator, publicMethod.key); - } - this.pushClassMethod(classBody, publicMethod, true, false, false, false); - return; - } - const isContextual = !this.state.containsEsc && tokenIsIdentifier(this.state.type); - const key = this.parseClassElementName(member); - const maybeContextualKw = isContextual ? key.name : null; - const isPrivate = this.isPrivateName(key); - const maybeQuestionTokenStartLoc = this.state.startLoc; - this.parsePostMemberNameModifiers(publicMember); - if (this.isClassMethod()) { - method.kind = "method"; - if (isPrivate) { - this.pushClassPrivateMethod(classBody, privateMethod, false, false); - return; - } - const isConstructor = this.isNonstaticConstructor(publicMethod); - let allowsDirectSuper = false; - if (isConstructor) { - publicMethod.kind = "constructor"; - if (state.hadConstructor && !this.hasPlugin("typescript")) { - this.raise(Errors.DuplicateConstructor, key); - } - if (isConstructor && this.hasPlugin("typescript") && member.override) { - this.raise(Errors.OverrideOnConstructor, key); - } - state.hadConstructor = true; - allowsDirectSuper = state.hadSuperClass; - } - this.pushClassMethod(classBody, publicMethod, false, false, isConstructor, allowsDirectSuper); - } else if (this.isClassProperty()) { - if (isPrivate) { - this.pushClassPrivateProperty(classBody, privateProp); - } else { - this.pushClassProperty(classBody, publicProp); - } - } else if (maybeContextualKw === "async" && !this.isLineTerminator()) { - this.resetPreviousNodeTrailingComments(key); - const isGenerator = this.eat(55); - if (publicMember.optional) { - this.unexpected(maybeQuestionTokenStartLoc); - } - method.kind = "method"; - const isPrivate = this.match(139); - this.parseClassElementName(method); - this.parsePostMemberNameModifiers(publicMember); - if (isPrivate) { - this.pushClassPrivateMethod(classBody, privateMethod, isGenerator, true); - } else { - if (this.isNonstaticConstructor(publicMethod)) { - this.raise(Errors.ConstructorIsAsync, publicMethod.key); - } - this.pushClassMethod(classBody, publicMethod, isGenerator, true, false, false); - } - } else if ((maybeContextualKw === "get" || maybeContextualKw === "set") && !(this.match(55) && this.isLineTerminator())) { - this.resetPreviousNodeTrailingComments(key); - method.kind = maybeContextualKw; - const isPrivate = this.match(139); - this.parseClassElementName(publicMethod); - if (isPrivate) { - this.pushClassPrivateMethod(classBody, privateMethod, false, false); - } else { - if (this.isNonstaticConstructor(publicMethod)) { - this.raise(Errors.ConstructorIsAccessor, publicMethod.key); - } - this.pushClassMethod(classBody, publicMethod, false, false, false, false); - } - this.checkGetterSetterParams(publicMethod); - } else if (maybeContextualKw === "accessor" && !this.isLineTerminator()) { - this.expectPlugin("decoratorAutoAccessors"); - this.resetPreviousNodeTrailingComments(key); - const isPrivate = this.match(139); - this.parseClassElementName(publicProp); - this.pushClassAccessorProperty(classBody, accessorProp, isPrivate); - } else if (this.isLineTerminator()) { - if (isPrivate) { - this.pushClassPrivateProperty(classBody, privateProp); - } else { - this.pushClassProperty(classBody, publicProp); - } - } else { - this.unexpected(); - } - } - parseClassElementName(member) { - const { - type, - value - } = this.state; - if ((type === 132 || type === 134) && member.static && value === "prototype") { - this.raise(Errors.StaticPrototype, this.state.startLoc); - } - if (type === 139) { - if (value === "constructor") { - this.raise(Errors.ConstructorClassPrivateField, this.state.startLoc); - } - const key = this.parsePrivateName(); - member.key = key; - return key; - } - this.parsePropertyName(member); - return member.key; - } - parseClassStaticBlock(classBody, member) { - var _member$decorators; - this.scope.enter(576 | 128 | 16); - const oldLabels = this.state.labels; - this.state.labels = []; - this.prodParam.enter(0); - const body = member.body = []; - this.parseBlockOrModuleBlockBody(body, undefined, false, 8); - this.prodParam.exit(); - this.scope.exit(); - this.state.labels = oldLabels; - classBody.body.push(this.finishNode(member, "StaticBlock")); - if ((_member$decorators = member.decorators) != null && _member$decorators.length) { - this.raise(Errors.DecoratorStaticBlock, member); - } - } - pushClassProperty(classBody, prop) { - if (!prop.computed && this.nameIsConstructor(prop.key)) { - this.raise(Errors.ConstructorClassField, prop.key); - } - classBody.body.push(this.parseClassProperty(prop)); - } - pushClassPrivateProperty(classBody, prop) { - const node = this.parseClassPrivateProperty(prop); - classBody.body.push(node); - this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), 0, node.key.loc.start); - } - pushClassAccessorProperty(classBody, prop, isPrivate) { - if (!isPrivate && !prop.computed && this.nameIsConstructor(prop.key)) { - this.raise(Errors.ConstructorClassField, prop.key); - } - const node = this.parseClassAccessorProperty(prop); - classBody.body.push(node); - if (isPrivate) { - this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), 0, node.key.loc.start); - } - } - pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) { - classBody.body.push(this.parseMethod(method, isGenerator, isAsync, isConstructor, allowsDirectSuper, "ClassMethod", true)); - } - pushClassPrivateMethod(classBody, method, isGenerator, isAsync) { - const node = this.parseMethod(method, isGenerator, isAsync, false, false, "ClassPrivateMethod", true); - classBody.body.push(node); - const kind = node.kind === "get" ? node.static ? 6 : 2 : node.kind === "set" ? node.static ? 5 : 1 : 0; - this.declareClassPrivateMethodInScope(node, kind); - } - declareClassPrivateMethodInScope(node, kind) { - this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), kind, node.key.loc.start); - } - parsePostMemberNameModifiers(methodOrProp) {} - parseClassPrivateProperty(node) { - this.parseInitializer(node); - this.semicolon(); - return this.finishNode(node, "ClassPrivateProperty"); - } - parseClassProperty(node) { - this.parseInitializer(node); - this.semicolon(); - return this.finishNode(node, "ClassProperty"); - } - parseClassAccessorProperty(node) { - this.parseInitializer(node); - this.semicolon(); - return this.finishNode(node, "ClassAccessorProperty"); - } - parseInitializer(node) { - this.scope.enter(576 | 16); - this.expressionScope.enter(newExpressionScope()); - this.prodParam.enter(0); - node.value = this.eat(29) ? this.parseMaybeAssignAllowIn() : null; - this.expressionScope.exit(); - this.prodParam.exit(); - this.scope.exit(); - } - parseClassId(node, isStatement, optionalId, bindingType = 8331) { - if (tokenIsIdentifier(this.state.type)) { - node.id = this.parseIdentifier(); - if (isStatement) { - this.declareNameFromIdentifier(node.id, bindingType); - } - } else { - if (optionalId || !isStatement) { - node.id = null; - } else { - throw this.raise(Errors.MissingClassName, this.state.startLoc); - } - } - } - parseClassSuper(node) { - node.superClass = this.eat(81) ? this.parseExprSubscripts() : null; - } - parseExport(node, decorators) { - const maybeDefaultIdentifier = this.parseMaybeImportPhase(node, true); - const hasDefault = this.maybeParseExportDefaultSpecifier(node, maybeDefaultIdentifier); - const parseAfterDefault = !hasDefault || this.eat(12); - const hasStar = parseAfterDefault && this.eatExportStar(node); - const hasNamespace = hasStar && this.maybeParseExportNamespaceSpecifier(node); - const parseAfterNamespace = parseAfterDefault && (!hasNamespace || this.eat(12)); - const isFromRequired = hasDefault || hasStar; - if (hasStar && !hasNamespace) { - if (hasDefault) this.unexpected(); - if (decorators) { - throw this.raise(Errors.UnsupportedDecoratorExport, node); - } - this.parseExportFrom(node, true); - this.sawUnambiguousESM = true; - return this.finishNode(node, "ExportAllDeclaration"); - } - const hasSpecifiers = this.maybeParseExportNamedSpecifiers(node); - if (hasDefault && parseAfterDefault && !hasStar && !hasSpecifiers) { - this.unexpected(null, 5); - } - if (hasNamespace && parseAfterNamespace) { - this.unexpected(null, 98); - } - let hasDeclaration; - if (isFromRequired || hasSpecifiers) { - hasDeclaration = false; - if (decorators) { - throw this.raise(Errors.UnsupportedDecoratorExport, node); - } - this.parseExportFrom(node, isFromRequired); - } else { - hasDeclaration = this.maybeParseExportDeclaration(node); - } - if (isFromRequired || hasSpecifiers || hasDeclaration) { - var _node2$declaration; - const node2 = node; - this.checkExport(node2, true, false, !!node2.source); - if (((_node2$declaration = node2.declaration) == null ? void 0 : _node2$declaration.type) === "ClassDeclaration") { - this.maybeTakeDecorators(decorators, node2.declaration, node2); - } else if (decorators) { - throw this.raise(Errors.UnsupportedDecoratorExport, node); - } - this.sawUnambiguousESM = true; - return this.finishNode(node2, "ExportNamedDeclaration"); - } - if (this.eat(65)) { - const node2 = node; - const decl = this.parseExportDefaultExpression(); - node2.declaration = decl; - if (decl.type === "ClassDeclaration") { - this.maybeTakeDecorators(decorators, decl, node2); - } else if (decorators) { - throw this.raise(Errors.UnsupportedDecoratorExport, node); - } - this.checkExport(node2, true, true); - this.sawUnambiguousESM = true; - return this.finishNode(node2, "ExportDefaultDeclaration"); - } - throw this.unexpected(null, 5); - } - eatExportStar(node) { - return this.eat(55); - } - maybeParseExportDefaultSpecifier(node, maybeDefaultIdentifier) { - if (maybeDefaultIdentifier || this.isExportDefaultSpecifier()) { - this.expectPlugin("exportDefaultFrom", maybeDefaultIdentifier == null ? void 0 : maybeDefaultIdentifier.loc.start); - const id = maybeDefaultIdentifier || this.parseIdentifier(true); - const specifier = this.startNodeAtNode(id); - specifier.exported = id; - node.specifiers = [this.finishNode(specifier, "ExportDefaultSpecifier")]; - return true; - } - return false; - } - maybeParseExportNamespaceSpecifier(node) { - if (this.isContextual(93)) { - var _ref, _ref$specifiers; - (_ref$specifiers = (_ref = node).specifiers) != null ? _ref$specifiers : _ref.specifiers = []; - const specifier = this.startNodeAt(this.state.lastTokStartLoc); - this.next(); - specifier.exported = this.parseModuleExportName(); - node.specifiers.push(this.finishNode(specifier, "ExportNamespaceSpecifier")); - return true; - } - return false; - } - maybeParseExportNamedSpecifiers(node) { - if (this.match(5)) { - const node2 = node; - if (!node2.specifiers) node2.specifiers = []; - const isTypeExport = node2.exportKind === "type"; - node2.specifiers.push(...this.parseExportSpecifiers(isTypeExport)); - node2.source = null; - if (this.hasPlugin("importAssertions")) { - node2.assertions = []; - } else { - node2.attributes = []; - } - node2.declaration = null; - return true; - } - return false; - } - maybeParseExportDeclaration(node) { - if (this.shouldParseExportDeclaration()) { - node.specifiers = []; - node.source = null; - if (this.hasPlugin("importAssertions")) { - node.assertions = []; - } else { - node.attributes = []; - } - node.declaration = this.parseExportDeclaration(node); - return true; - } - return false; - } - isAsyncFunction() { - if (!this.isContextual(95)) return false; - const next = this.nextTokenInLineStart(); - return this.isUnparsedContextual(next, "function"); - } - parseExportDefaultExpression() { - const expr = this.startNode(); - if (this.match(68)) { - this.next(); - return this.parseFunction(expr, 1 | 4); - } else if (this.isAsyncFunction()) { - this.next(); - this.next(); - return this.parseFunction(expr, 1 | 4 | 8); - } - if (this.match(80)) { - return this.parseClass(expr, true, true); - } - if (this.match(26)) { - if (this.hasPlugin("decorators") && this.getPluginOption("decorators", "decoratorsBeforeExport") === true) { - this.raise(Errors.DecoratorBeforeExport, this.state.startLoc); - } - return this.parseClass(this.maybeTakeDecorators(this.parseDecorators(false), this.startNode()), true, true); - } - if (this.match(75) || this.match(74) || this.isLet() || this.isUsing() || this.isAwaitUsing()) { - throw this.raise(Errors.UnsupportedDefaultExport, this.state.startLoc); - } - const res = this.parseMaybeAssignAllowIn(); - this.semicolon(); - return res; - } - parseExportDeclaration(node) { - if (this.match(80)) { - const node = this.parseClass(this.startNode(), true, false); - return node; - } - return this.parseStatementListItem(); - } - isExportDefaultSpecifier() { - const { - type - } = this.state; - if (tokenIsIdentifier(type)) { - if (type === 95 && !this.state.containsEsc || type === 100) { - return false; - } - if ((type === 130 || type === 129) && !this.state.containsEsc) { - const next = this.nextTokenStart(); - const nextChar = this.input.charCodeAt(next); - if (nextChar === 123 || this.chStartsBindingIdentifier(nextChar, next) && !this.input.startsWith("from", next)) { - this.expectOnePlugin(["flow", "typescript"]); - return false; - } - } - } else if (!this.match(65)) { - return false; - } - const next = this.nextTokenStart(); - const hasFrom = this.isUnparsedContextual(next, "from"); - if (this.input.charCodeAt(next) === 44 || tokenIsIdentifier(this.state.type) && hasFrom) { - return true; - } - if (this.match(65) && hasFrom) { - const nextAfterFrom = this.input.charCodeAt(this.nextTokenStartSince(next + 4)); - return nextAfterFrom === 34 || nextAfterFrom === 39; - } - return false; - } - parseExportFrom(node, expect) { - if (this.eatContextual(98)) { - node.source = this.parseImportSource(); - this.checkExport(node); - this.maybeParseImportAttributes(node); - this.checkJSONModuleImport(node); - } else if (expect) { - this.unexpected(); - } - this.semicolon(); - } - shouldParseExportDeclaration() { - const { - type - } = this.state; - if (type === 26) { - this.expectOnePlugin(["decorators", "decorators-legacy"]); - if (this.hasPlugin("decorators")) { - if (this.getPluginOption("decorators", "decoratorsBeforeExport") === true) { - this.raise(Errors.DecoratorBeforeExport, this.state.startLoc); - } - return true; - } - } - if (this.isUsing()) { - this.raise(Errors.UsingDeclarationExport, this.state.startLoc); - return true; - } - if (this.isAwaitUsing()) { - this.raise(Errors.UsingDeclarationExport, this.state.startLoc); - return true; - } - return type === 74 || type === 75 || type === 68 || type === 80 || this.isLet() || this.isAsyncFunction(); - } - checkExport(node, checkNames, isDefault, isFrom) { - if (checkNames) { - var _node$specifiers; - if (isDefault) { - this.checkDuplicateExports(node, "default"); - if (this.hasPlugin("exportDefaultFrom")) { - var _declaration$extra; - const declaration = node.declaration; - if (declaration.type === "Identifier" && declaration.name === "from" && declaration.end - declaration.start === 4 && !((_declaration$extra = declaration.extra) != null && _declaration$extra.parenthesized)) { - this.raise(Errors.ExportDefaultFromAsIdentifier, declaration); - } - } - } else if ((_node$specifiers = node.specifiers) != null && _node$specifiers.length) { - for (const specifier of node.specifiers) { - const { - exported - } = specifier; - const exportName = exported.type === "Identifier" ? exported.name : exported.value; - this.checkDuplicateExports(specifier, exportName); - if (!isFrom && specifier.local) { - const { - local - } = specifier; - if (local.type !== "Identifier") { - this.raise(Errors.ExportBindingIsString, specifier, { - localName: local.value, - exportName - }); - } else { - this.checkReservedWord(local.name, local.loc.start, true, false); - this.scope.checkLocalExport(local); - } - } - } - } else if (node.declaration) { - const decl = node.declaration; - if (decl.type === "FunctionDeclaration" || decl.type === "ClassDeclaration") { - const { - id - } = decl; - if (!id) throw new Error("Assertion failure"); - this.checkDuplicateExports(node, id.name); - } else if (decl.type === "VariableDeclaration") { - for (const declaration of decl.declarations) { - this.checkDeclaration(declaration.id); - } - } - } - } - } - checkDeclaration(node) { - if (node.type === "Identifier") { - this.checkDuplicateExports(node, node.name); - } else if (node.type === "ObjectPattern") { - for (const prop of node.properties) { - this.checkDeclaration(prop); - } - } else if (node.type === "ArrayPattern") { - for (const elem of node.elements) { - if (elem) { - this.checkDeclaration(elem); - } - } - } else if (node.type === "ObjectProperty") { - this.checkDeclaration(node.value); - } else if (node.type === "RestElement") { - this.checkDeclaration(node.argument); - } else if (node.type === "AssignmentPattern") { - this.checkDeclaration(node.left); - } - } - checkDuplicateExports(node, exportName) { - if (this.exportedIdentifiers.has(exportName)) { - if (exportName === "default") { - this.raise(Errors.DuplicateDefaultExport, node); - } else { - this.raise(Errors.DuplicateExport, node, { - exportName - }); - } - } - this.exportedIdentifiers.add(exportName); - } - parseExportSpecifiers(isInTypeExport) { - const nodes = []; - let first = true; - this.expect(5); - while (!this.eat(8)) { - if (first) { - first = false; - } else { - this.expect(12); - if (this.eat(8)) break; - } - const isMaybeTypeOnly = this.isContextual(130); - const isString = this.match(134); - const node = this.startNode(); - node.local = this.parseModuleExportName(); - nodes.push(this.parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly)); - } - return nodes; - } - parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly) { - if (this.eatContextual(93)) { - node.exported = this.parseModuleExportName(); - } else if (isString) { - node.exported = this.cloneStringLiteral(node.local); - } else if (!node.exported) { - node.exported = this.cloneIdentifier(node.local); - } - return this.finishNode(node, "ExportSpecifier"); - } - parseModuleExportName() { - if (this.match(134)) { - const result = this.parseStringLiteral(this.state.value); - const surrogate = loneSurrogate.exec(result.value); - if (surrogate) { - this.raise(Errors.ModuleExportNameHasLoneSurrogate, result, { - surrogateCharCode: surrogate[0].charCodeAt(0) - }); - } - return result; - } - return this.parseIdentifier(true); - } - isJSONModuleImport(node) { - if (node.assertions != null) { - return node.assertions.some(({ - key, - value - }) => { - return value.value === "json" && (key.type === "Identifier" ? key.name === "type" : key.value === "type"); - }); - } - return false; - } - checkImportReflection(node) { - const { - specifiers - } = node; - const singleBindingType = specifiers.length === 1 ? specifiers[0].type : null; - if (node.phase === "source") { - if (singleBindingType !== "ImportDefaultSpecifier") { - this.raise(Errors.SourcePhaseImportRequiresDefault, specifiers[0].loc.start); - } - } else if (node.phase === "defer") { - if (singleBindingType !== "ImportNamespaceSpecifier") { - this.raise(Errors.DeferImportRequiresNamespace, specifiers[0].loc.start); - } - } else if (node.module) { - var _node$assertions; - if (singleBindingType !== "ImportDefaultSpecifier") { - this.raise(Errors.ImportReflectionNotBinding, specifiers[0].loc.start); - } - if (((_node$assertions = node.assertions) == null ? void 0 : _node$assertions.length) > 0) { - this.raise(Errors.ImportReflectionHasAssertion, specifiers[0].loc.start); - } - } - } - checkJSONModuleImport(node) { - if (this.isJSONModuleImport(node) && node.type !== "ExportAllDeclaration") { - const { - specifiers - } = node; - if (specifiers != null) { - const nonDefaultNamedSpecifier = specifiers.find(specifier => { - let imported; - if (specifier.type === "ExportSpecifier") { - imported = specifier.local; - } else if (specifier.type === "ImportSpecifier") { - imported = specifier.imported; - } - if (imported !== undefined) { - return imported.type === "Identifier" ? imported.name !== "default" : imported.value !== "default"; - } - }); - if (nonDefaultNamedSpecifier !== undefined) { - this.raise(Errors.ImportJSONBindingNotDefault, nonDefaultNamedSpecifier.loc.start); - } - } - } - } - isPotentialImportPhase(isExport) { - if (isExport) return false; - return this.isContextual(105) || this.isContextual(97) || this.isContextual(127); - } - applyImportPhase(node, isExport, phase, loc) { - if (isExport) { - return; - } - if (phase === "module") { - this.expectPlugin("importReflection", loc); - node.module = true; - } else if (this.hasPlugin("importReflection")) { - node.module = false; - } - if (phase === "source") { - this.expectPlugin("sourcePhaseImports", loc); - node.phase = "source"; - } else if (phase === "defer") { - this.expectPlugin("deferredImportEvaluation", loc); - node.phase = "defer"; - } else if (this.hasPlugin("sourcePhaseImports")) { - node.phase = null; - } - } - parseMaybeImportPhase(node, isExport) { - if (!this.isPotentialImportPhase(isExport)) { - this.applyImportPhase(node, isExport, null); - return null; - } - const phaseIdentifier = this.startNode(); - const phaseIdentifierName = this.parseIdentifierName(true); - const { - type - } = this.state; - const isImportPhase = tokenIsKeywordOrIdentifier(type) ? type !== 98 || this.lookaheadCharCode() === 102 : type !== 12; - if (isImportPhase) { - this.applyImportPhase(node, isExport, phaseIdentifierName, phaseIdentifier.loc.start); - return null; - } else { - this.applyImportPhase(node, isExport, null); - return this.createIdentifier(phaseIdentifier, phaseIdentifierName); - } - } - isPrecedingIdImportPhase(phase) { - const { - type - } = this.state; - return tokenIsIdentifier(type) ? type !== 98 || this.lookaheadCharCode() === 102 : type !== 12; - } - parseImport(node) { - if (this.match(134)) { - return this.parseImportSourceAndAttributes(node); - } - return this.parseImportSpecifiersAndAfter(node, this.parseMaybeImportPhase(node, false)); - } - parseImportSpecifiersAndAfter(node, maybeDefaultIdentifier) { - node.specifiers = []; - const hasDefault = this.maybeParseDefaultImportSpecifier(node, maybeDefaultIdentifier); - const parseNext = !hasDefault || this.eat(12); - const hasStar = parseNext && this.maybeParseStarImportSpecifier(node); - if (parseNext && !hasStar) this.parseNamedImportSpecifiers(node); - this.expectContextual(98); - return this.parseImportSourceAndAttributes(node); - } - parseImportSourceAndAttributes(node) { - var _node$specifiers2; - (_node$specifiers2 = node.specifiers) != null ? _node$specifiers2 : node.specifiers = []; - node.source = this.parseImportSource(); - this.maybeParseImportAttributes(node); - this.checkImportReflection(node); - this.checkJSONModuleImport(node); - this.semicolon(); - this.sawUnambiguousESM = true; - return this.finishNode(node, "ImportDeclaration"); - } - parseImportSource() { - if (!this.match(134)) this.unexpected(); - return this.parseExprAtom(); - } - parseImportSpecifierLocal(node, specifier, type) { - specifier.local = this.parseIdentifier(); - node.specifiers.push(this.finishImportSpecifier(specifier, type)); - } - finishImportSpecifier(specifier, type, bindingType = 8201) { - this.checkLVal(specifier.local, { - type - }, bindingType); - return this.finishNode(specifier, type); - } - parseImportAttributes() { - this.expect(5); - const attrs = []; - const attrNames = new Set(); - do { - if (this.match(8)) { - break; - } - const node = this.startNode(); - const keyName = this.state.value; - if (attrNames.has(keyName)) { - this.raise(Errors.ModuleAttributesWithDuplicateKeys, this.state.startLoc, { - key: keyName - }); - } - attrNames.add(keyName); - if (this.match(134)) { - node.key = this.parseStringLiteral(keyName); - } else { - node.key = this.parseIdentifier(true); - } - this.expect(14); - if (!this.match(134)) { - throw this.raise(Errors.ModuleAttributeInvalidValue, this.state.startLoc); - } - node.value = this.parseStringLiteral(this.state.value); - attrs.push(this.finishNode(node, "ImportAttribute")); - } while (this.eat(12)); - this.expect(8); - return attrs; - } - parseModuleAttributes() { - const attrs = []; - const attributes = new Set(); - do { - const node = this.startNode(); - node.key = this.parseIdentifier(true); - if (node.key.name !== "type") { - this.raise(Errors.ModuleAttributeDifferentFromType, node.key); - } - if (attributes.has(node.key.name)) { - this.raise(Errors.ModuleAttributesWithDuplicateKeys, node.key, { - key: node.key.name - }); - } - attributes.add(node.key.name); - this.expect(14); - if (!this.match(134)) { - throw this.raise(Errors.ModuleAttributeInvalidValue, this.state.startLoc); - } - node.value = this.parseStringLiteral(this.state.value); - attrs.push(this.finishNode(node, "ImportAttribute")); - } while (this.eat(12)); - return attrs; - } - maybeParseImportAttributes(node) { - let attributes; - var useWith = false; - if (this.match(76)) { - if (this.hasPrecedingLineBreak() && this.lookaheadCharCode() === 40) { - return; - } - this.next(); - if (this.hasPlugin("moduleAttributes")) { - attributes = this.parseModuleAttributes(); - this.addExtra(node, "deprecatedWithLegacySyntax", true); - } else { - attributes = this.parseImportAttributes(); - } - useWith = true; - } else if (this.isContextual(94) && !this.hasPrecedingLineBreak()) { - if (!this.hasPlugin("deprecatedImportAssert") && !this.hasPlugin("importAssertions")) { - this.raise(Errors.ImportAttributesUseAssert, this.state.startLoc); - } - if (!this.hasPlugin("importAssertions")) { - this.addExtra(node, "deprecatedAssertSyntax", true); - } - this.next(); - attributes = this.parseImportAttributes(); - } else { - attributes = []; - } - if (!useWith && this.hasPlugin("importAssertions")) { - node.assertions = attributes; - } else { - node.attributes = attributes; - } - } - maybeParseDefaultImportSpecifier(node, maybeDefaultIdentifier) { - if (maybeDefaultIdentifier) { - const specifier = this.startNodeAtNode(maybeDefaultIdentifier); - specifier.local = maybeDefaultIdentifier; - node.specifiers.push(this.finishImportSpecifier(specifier, "ImportDefaultSpecifier")); - return true; - } else if (tokenIsKeywordOrIdentifier(this.state.type)) { - this.parseImportSpecifierLocal(node, this.startNode(), "ImportDefaultSpecifier"); - return true; - } - return false; - } - maybeParseStarImportSpecifier(node) { - if (this.match(55)) { - const specifier = this.startNode(); - this.next(); - this.expectContextual(93); - this.parseImportSpecifierLocal(node, specifier, "ImportNamespaceSpecifier"); - return true; - } - return false; - } - parseNamedImportSpecifiers(node) { - let first = true; - this.expect(5); - while (!this.eat(8)) { - if (first) { - first = false; - } else { - if (this.eat(14)) { - throw this.raise(Errors.DestructureNamedImport, this.state.startLoc); - } - this.expect(12); - if (this.eat(8)) break; - } - const specifier = this.startNode(); - const importedIsString = this.match(134); - const isMaybeTypeOnly = this.isContextual(130); - specifier.imported = this.parseModuleExportName(); - const importSpecifier = this.parseImportSpecifier(specifier, importedIsString, node.importKind === "type" || node.importKind === "typeof", isMaybeTypeOnly, undefined); - node.specifiers.push(importSpecifier); - } - } - parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly, bindingType) { - if (this.eatContextual(93)) { - specifier.local = this.parseIdentifier(); - } else { - const { - imported - } = specifier; - if (importedIsString) { - throw this.raise(Errors.ImportBindingIsString, specifier, { - importName: imported.value - }); - } - this.checkReservedWord(imported.name, specifier.loc.start, true, true); - if (!specifier.local) { - specifier.local = this.cloneIdentifier(imported); - } - } - return this.finishImportSpecifier(specifier, "ImportSpecifier", bindingType); - } - isThisParam(param) { - return param.type === "Identifier" && param.name === "this"; - } -} -class Parser extends StatementParser { - constructor(options, input, pluginsMap) { - const normalizedOptions = getOptions(options); - super(normalizedOptions, input); - this.options = normalizedOptions; - this.initializeScopes(); - this.plugins = pluginsMap; - this.filename = normalizedOptions.sourceFilename; - this.startIndex = normalizedOptions.startIndex; - let optionFlags = 0; - if (normalizedOptions.allowAwaitOutsideFunction) { - optionFlags |= 1; - } - if (normalizedOptions.allowReturnOutsideFunction) { - optionFlags |= 2; - } - if (normalizedOptions.allowImportExportEverywhere) { - optionFlags |= 8; - } - if (normalizedOptions.allowSuperOutsideMethod) { - optionFlags |= 16; - } - if (normalizedOptions.allowUndeclaredExports) { - optionFlags |= 64; - } - if (normalizedOptions.allowNewTargetOutsideFunction) { - optionFlags |= 4; - } - if (normalizedOptions.allowYieldOutsideFunction) { - optionFlags |= 32; - } - if (normalizedOptions.ranges) { - optionFlags |= 128; - } - if (normalizedOptions.tokens) { - optionFlags |= 256; - } - if (normalizedOptions.createImportExpressions) { - optionFlags |= 512; - } - if (normalizedOptions.createParenthesizedExpressions) { - optionFlags |= 1024; - } - if (normalizedOptions.errorRecovery) { - optionFlags |= 2048; - } - if (normalizedOptions.attachComment) { - optionFlags |= 4096; - } - if (normalizedOptions.annexB) { - optionFlags |= 8192; - } - this.optionFlags = optionFlags; - } - getScopeHandler() { - return ScopeHandler; - } - parse() { - this.enterInitialScopes(); - const file = this.startNode(); - const program = this.startNode(); - this.nextToken(); - file.errors = null; - const result = this.parseTopLevel(file, program); - result.errors = this.state.errors; - result.comments.length = this.state.commentsLen; - return result; - } -} -function parse(input, options) { - var _options; - if (((_options = options) == null ? void 0 : _options.sourceType) === "unambiguous") { - options = Object.assign({}, options); - try { - options.sourceType = "module"; - const parser = getParser(options, input); - const ast = parser.parse(); - if (parser.sawUnambiguousESM) { - return ast; - } - if (parser.ambiguousScriptDifferentAst) { - try { - options.sourceType = "script"; - return getParser(options, input).parse(); - } catch (_unused) {} - } else { - ast.program.sourceType = "script"; - } - return ast; - } catch (moduleError) { - try { - options.sourceType = "script"; - return getParser(options, input).parse(); - } catch (_unused2) {} - throw moduleError; - } - } else { - return getParser(options, input).parse(); - } -} -function parseExpression(input, options) { - const parser = getParser(options, input); - if (parser.options.strictMode) { - parser.state.strict = true; - } - return parser.getExpression(); -} -function generateExportedTokenTypes(internalTokenTypes) { - const tokenTypes = {}; - for (const typeName of Object.keys(internalTokenTypes)) { - tokenTypes[typeName] = getExportedToken(internalTokenTypes[typeName]); - } - return tokenTypes; -} -const tokTypes = generateExportedTokenTypes(tt); -function getParser(options, input) { - let cls = Parser; - const pluginsMap = new Map(); - if (options != null && options.plugins) { - for (const plugin of options.plugins) { - let name, opts; - if (typeof plugin === "string") { - name = plugin; - } else { - [name, opts] = plugin; - } - if (!pluginsMap.has(name)) { - pluginsMap.set(name, opts || {}); - } - } - validatePlugins(pluginsMap); - cls = getParserClass(pluginsMap); - } - return new cls(options, input, pluginsMap); -} -const parserClassCache = new Map(); -function getParserClass(pluginsMap) { - const pluginList = []; - for (const name of mixinPluginNames) { - if (pluginsMap.has(name)) { - pluginList.push(name); - } - } - const key = pluginList.join("|"); - let cls = parserClassCache.get(key); - if (!cls) { - cls = Parser; - for (const plugin of pluginList) { - cls = mixinPlugins[plugin](cls); - } - parserClassCache.set(key, cls); - } - return cls; -} -exports.parse = parse; -exports.parseExpression = parseExpression; -exports.tokTypes = tokTypes; -//# sourceMappingURL=index.js.map |