diff options
Diffstat (limited to 'Source/JavaScriptCore/parser/SyntaxChecker.h')
| -rw-r--r-- | Source/JavaScriptCore/parser/SyntaxChecker.h | 301 |
1 files changed, 207 insertions, 94 deletions
diff --git a/Source/JavaScriptCore/parser/SyntaxChecker.h b/Source/JavaScriptCore/parser/SyntaxChecker.h index 0328b1273..035a5f95c 100644 --- a/Source/JavaScriptCore/parser/SyntaxChecker.h +++ b/Source/JavaScriptCore/parser/SyntaxChecker.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010, 2013 Apple Inc. All rights reserved. + * Copyright (C) 2010, 2013, 2016 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -23,44 +23,44 @@ * THE POSSIBILITY OF SUCH DAMAGE. */ -#ifndef SyntaxChecker_h -#define SyntaxChecker_h +#pragma once #include "Lexer.h" +#include "ParserFunctionInfo.h" #include "YarrSyntaxChecker.h" namespace JSC { - + class SyntaxChecker { public: struct BinaryExprContext { BinaryExprContext(SyntaxChecker& context) : m_context(&context) { - m_context->m_topBinaryExprs.append(m_context->m_topBinaryExpr); + m_token = m_context->m_topBinaryExpr; m_context->m_topBinaryExpr = 0; } ~BinaryExprContext() { - m_context->m_topBinaryExpr = m_context->m_topBinaryExprs.last(); - m_context->m_topBinaryExprs.removeLast(); + m_context->m_topBinaryExpr = m_token; } private: + int m_token; SyntaxChecker* m_context; }; struct UnaryExprContext { UnaryExprContext(SyntaxChecker& context) : m_context(&context) { - m_context->m_topUnaryTokens.append(m_context->m_topUnaryToken); + m_token = m_context->m_topUnaryToken; m_context->m_topUnaryToken = 0; } ~UnaryExprContext() { - m_context->m_topUnaryToken = m_context->m_topUnaryTokens.last(); - m_context->m_topUnaryTokens.removeLast(); + m_context->m_topUnaryToken = m_token; } private: + int m_token; SyntaxChecker* m_context; }; @@ -68,14 +68,25 @@ public: { } - typedef SyntaxChecker FunctionBodyBuilder; enum { NoneExpr = 0, - ResolveEvalExpr, ResolveExpr, NumberExpr, StringExpr, + ResolveEvalExpr, ResolveExpr, IntegerExpr, DoubleExpr, StringExpr, ThisExpr, NullExpr, BoolExpr, RegExpExpr, ObjectLiteralExpr, - FunctionExpr, BracketExpr, DotExpr, CallExpr, + FunctionExpr, ClassExpr, SuperExpr, ImportExpr, BracketExpr, DotExpr, CallExpr, NewExpr, PreExpr, PostExpr, UnaryExpr, BinaryExpr, - ConditionalExpr, AssignmentExpr, TypeofExpr, - DeleteExpr, ArrayLiteralExpr }; + ConditionalExpr, AssignmentExpr, TypeofExpr, NewTargetExpr, + DeleteExpr, ArrayLiteralExpr, BindingDestructuring, RestParameter, + ArrayDestructuring, ObjectDestructuring, SourceElementsResult, + FunctionBodyResult, SpreadExpr, ArgumentsResult, + PropertyListResult, ArgumentsListResult, ElementsListResult, + StatementResult, FormalParameterListResult, ClauseResult, + ClauseListResult, CommaExpr, DestructuringAssignment, + TemplateStringResult, TemplateStringListResult, + TemplateExpressionListResult, TemplateExpr, + TaggedTemplateExpr, YieldExpr, AwaitExpr, + ModuleNameResult, + ImportSpecifierResult, ImportSpecifierListResult, + ExportSpecifierResult, ExportSpecifierListResult + }; typedef int ExpressionType; typedef ExpressionType Expression; @@ -104,16 +115,26 @@ public: typedef int PropertyList; typedef int ElementList; typedef int ArgumentsList; + typedef int TemplateExpressionList; + typedef int TemplateString; + typedef int TemplateStringList; + typedef int TemplateLiteral; typedef int FormalParameterList; typedef int FunctionBody; + typedef int ClassExpression; + typedef int ModuleName; + typedef int ImportSpecifier; + typedef int ImportSpecifierList; + typedef int ExportSpecifier; + typedef int ExportSpecifierList; typedef int Statement; typedef int ClauseList; typedef int Clause; - typedef int ConstDeclList; typedef int BinaryOperand; - typedef int DeconstructionPattern; - typedef int ArrayPattern; - typedef int ObjectPattern; + typedef int DestructuringPattern; + typedef DestructuringPattern ArrayPattern; + typedef DestructuringPattern ObjectPattern; + typedef DestructuringPattern RestPattern; static const bool CreatesAST = false; static const bool NeedsFreeVariableInfo = false; @@ -121,10 +142,10 @@ public: static const unsigned DontBuildKeywords = LexexFlagsDontBuildKeywords; static const unsigned DontBuildStrings = LexerFlagsDontBuildStrings; - int createSourceElements() { return 1; } + int createSourceElements() { return SourceElementsResult; } ExpressionType makeFunctionCallNode(const JSTokenLocation&, int, int, int, int, int) { return CallExpr; } - void appendToComma(ExpressionType& base, ExpressionType right) { base = right; } - ExpressionType createCommaExpr(const JSTokenLocation&, ExpressionType, ExpressionType right) { return right; } + ExpressionType createCommaExpr(const JSTokenLocation&, ExpressionType expr) { return expr; } + ExpressionType appendToCommaExpr(const JSTokenLocation&, ExpressionType& head, ExpressionType, ExpressionType next) { head = next; return next; } ExpressionType makeAssignNode(const JSTokenLocation&, ExpressionType, Operator, ExpressionType, bool, bool, int, int, int) { return AssignmentExpr; } ExpressionType makePrefixNode(const JSTokenLocation&, ExpressionType, Operator, int, int, int) { return PreExpr; } ExpressionType makePostfixNode(const JSTokenLocation&, ExpressionType, Operator, int, int, int) { return PostExpr; } @@ -135,100 +156,142 @@ public: ExpressionType createLogicalNot(const JSTokenLocation&, ExpressionType) { return UnaryExpr; } ExpressionType createUnaryPlus(const JSTokenLocation&, ExpressionType) { return UnaryExpr; } ExpressionType createVoid(const JSTokenLocation&, ExpressionType) { return UnaryExpr; } - ExpressionType thisExpr(const JSTokenLocation&) { return ThisExpr; } - ExpressionType createResolve(const JSTokenLocation&, const Identifier*, int) { return ResolveExpr; } + ExpressionType createImportExpr(const JSTokenLocation&, ExpressionType, int, int, int) { return ImportExpr; } + ExpressionType createThisExpr(const JSTokenLocation&) { return ThisExpr; } + ExpressionType createSuperExpr(const JSTokenLocation&) { return SuperExpr; } + ExpressionType createNewTargetExpr(const JSTokenLocation&) { return NewTargetExpr; } + ALWAYS_INLINE bool isNewTarget(ExpressionType type) { return type == NewTargetExpr; } + ExpressionType createResolve(const JSTokenLocation&, const Identifier&, int, int) { return ResolveExpr; } ExpressionType createObjectLiteral(const JSTokenLocation&) { return ObjectLiteralExpr; } ExpressionType createObjectLiteral(const JSTokenLocation&, int) { return ObjectLiteralExpr; } ExpressionType createArray(const JSTokenLocation&, int) { return ArrayLiteralExpr; } ExpressionType createArray(const JSTokenLocation&, int, int) { return ArrayLiteralExpr; } - ExpressionType createNumberExpr(const JSTokenLocation&, double) { return NumberExpr; } + ExpressionType createDoubleExpr(const JSTokenLocation&, double) { return DoubleExpr; } + ExpressionType createIntegerExpr(const JSTokenLocation&, double) { return IntegerExpr; } ExpressionType createString(const JSTokenLocation&, const Identifier*) { return StringExpr; } ExpressionType createBoolean(const JSTokenLocation&, bool) { return BoolExpr; } ExpressionType createNull(const JSTokenLocation&) { return NullExpr; } ExpressionType createBracketAccess(const JSTokenLocation&, ExpressionType, ExpressionType, bool, int, int, int) { return BracketExpr; } ExpressionType createDotAccess(const JSTokenLocation&, ExpressionType, const Identifier*, int, int, int) { return DotExpr; } - ExpressionType createRegExp(const JSTokenLocation&, const Identifier& pattern, const Identifier&, int) { return Yarr::checkSyntax(pattern.string()) ? 0 : RegExpExpr; } + ExpressionType createRegExp(const JSTokenLocation&, const Identifier& pattern, const Identifier& flags, int) { return Yarr::checkSyntax(pattern.string(), flags.string()) ? 0 : RegExpExpr; } ExpressionType createNewExpr(const JSTokenLocation&, ExpressionType, int, int, int, int) { return NewExpr; } ExpressionType createNewExpr(const JSTokenLocation&, ExpressionType, int, int) { return NewExpr; } ExpressionType createConditionalExpr(const JSTokenLocation&, ExpressionType, ExpressionType, ExpressionType) { return ConditionalExpr; } - ExpressionType createAssignResolve(const JSTokenLocation&, const Identifier&, ExpressionType, int, int, int) { return AssignmentExpr; } - ExpressionType createFunctionExpr(const JSTokenLocation&, const Identifier*, int, int, int, int, int, int, int) { return FunctionExpr; } - int createFunctionBody(const JSTokenLocation&, const JSTokenLocation&, int, int, bool) { return 1; } + ExpressionType createAssignResolve(const JSTokenLocation&, const Identifier&, ExpressionType, int, int, int, AssignmentContext) { return AssignmentExpr; } + ExpressionType createEmptyVarExpression(const JSTokenLocation&, const Identifier&) { return AssignmentExpr; } + ExpressionType createEmptyLetExpression(const JSTokenLocation&, const Identifier&) { return AssignmentExpr; } + ExpressionType createYield(const JSTokenLocation&) { return YieldExpr; } + ExpressionType createYield(const JSTokenLocation&, ExpressionType, bool, int, int, int) { return YieldExpr; } + ExpressionType createAwait(const JSTokenLocation&, ExpressionType, int, int, int) { return AwaitExpr; } + ClassExpression createClassExpr(const JSTokenLocation&, const ParserClassInfo<SyntaxChecker>&, VariableEnvironment&, ExpressionType, ExpressionType, PropertyList, PropertyList) { return ClassExpr; } + ExpressionType createFunctionExpr(const JSTokenLocation&, const ParserFunctionInfo<SyntaxChecker>&) { return FunctionExpr; } + ExpressionType createGeneratorFunctionBody(const JSTokenLocation&, const ParserFunctionInfo<SyntaxChecker>&, const Identifier&) { return FunctionExpr; } + ExpressionType createAsyncFunctionBody(const JSTokenLocation&, const ParserFunctionInfo<SyntaxChecker>&) { return FunctionExpr; } + int createFunctionMetadata(const JSTokenLocation&, const JSTokenLocation&, int, int, bool, int, int, int, ConstructorKind, SuperBinding, unsigned, SourceParseMode, bool, InnerArrowFunctionCodeFeatures = NoInnerArrowFunctionFeatures) { return FunctionBodyResult; } + ExpressionType createArrowFunctionExpr(const JSTokenLocation&, const ParserFunctionInfo<SyntaxChecker>&) { return FunctionExpr; } + ExpressionType createMethodDefinition(const JSTokenLocation&, const ParserFunctionInfo<SyntaxChecker>&) { return FunctionExpr; } void setFunctionNameStart(int, int) { } - int createArguments() { return 1; } - int createArguments(int) { return 1; } - ExpressionType createSpreadExpression(const JSTokenLocation&, ExpressionType, int, int, int) { return 1; } - int createArgumentsList(const JSTokenLocation&, int) { return 1; } - int createArgumentsList(const JSTokenLocation&, int, int) { return 1; } - Property createProperty(const Identifier* name, int, PropertyNode::Type type, bool complete) + int createArguments() { return ArgumentsResult; } + int createArguments(int) { return ArgumentsResult; } + ExpressionType createSpreadExpression(const JSTokenLocation&, ExpressionType, int, int, int) { return SpreadExpr; } + TemplateString createTemplateString(const JSTokenLocation&, const Identifier*, const Identifier*) { return TemplateStringResult; } + TemplateStringList createTemplateStringList(TemplateString) { return TemplateStringListResult; } + TemplateStringList createTemplateStringList(TemplateStringList, TemplateString) { return TemplateStringListResult; } + TemplateExpressionList createTemplateExpressionList(Expression) { return TemplateExpressionListResult; } + TemplateExpressionList createTemplateExpressionList(TemplateExpressionList, Expression) { return TemplateExpressionListResult; } + TemplateLiteral createTemplateLiteral(const JSTokenLocation&, TemplateStringList) { return TemplateExpr; } + TemplateLiteral createTemplateLiteral(const JSTokenLocation&, TemplateStringList, TemplateExpressionList) { return TemplateExpr; } + ExpressionType createTaggedTemplate(const JSTokenLocation&, ExpressionType, TemplateLiteral, int, int, int) { return TaggedTemplateExpr; } + + int createArgumentsList(const JSTokenLocation&, int) { return ArgumentsListResult; } + int createArgumentsList(const JSTokenLocation&, int, int) { return ArgumentsListResult; } + Property createProperty(const Identifier* name, int, PropertyNode::Type type, PropertyNode::PutType, bool complete, SuperBinding, bool) { if (!complete) return Property(type); ASSERT(name); return Property(name, type); } - Property createProperty(VM* vm, double name, int, PropertyNode::Type type, bool complete) + Property createProperty(VM* vm, ParserArena& parserArena, double name, int, PropertyNode::Type type, PropertyNode::PutType, bool complete, SuperBinding, bool) { if (!complete) return Property(type); - return Property(&vm->parserArena->identifierArena().makeNumericIdentifier(vm, name), type); + return Property(&parserArena.identifierArena().makeNumericIdentifier(vm, name), type); } - Property createProperty(VM*, ExpressionNode*, int, PropertyNode::Type type, bool) + Property createProperty(int, int, PropertyNode::Type type, PropertyNode::PutType, bool, SuperBinding, bool) { return Property(type); } - int createPropertyList(const JSTokenLocation&, Property) { return 1; } - int createPropertyList(const JSTokenLocation&, Property, int) { return 1; } - int createElementList(int, int) { return 1; } - int createElementList(int, int, int) { return 1; } - int createFormalParameterList(DeconstructionPattern) { return 1; } - int createFormalParameterList(int, DeconstructionPattern) { return 1; } - int createClause(int, int) { return 1; } - int createClauseList(int) { return 1; } - int createClauseList(int, int) { return 1; } - void setUsesArguments(int) { } - int createFuncDeclStatement(const JSTokenLocation&, const Identifier*, int, int, int, int, int, int, int) { return 1; } - int createBlockStatement(const JSTokenLocation&, int, int, int) { return 1; } - int createExprStatement(const JSTokenLocation&, int, int, int) { return 1; } - int createIfStatement(const JSTokenLocation&, int, int, int, int) { return 1; } - int createIfStatement(const JSTokenLocation&, int, int, int, int, int) { return 1; } - int createForLoop(const JSTokenLocation&, int, int, int, int, int, int) { return 1; } - int createForInLoop(const JSTokenLocation&, int, int, int, int, int, int, int, int) { return 1; } - int createForOfLoop(const JSTokenLocation&, int, int, int, int, int, int, int, int) { return 1; } - int createEmptyStatement(const JSTokenLocation&) { return 1; } - int createVarStatement(const JSTokenLocation&, int, int, int) { return 1; } - int createReturnStatement(const JSTokenLocation&, int, int, int) { return 1; } - int createBreakStatement(const JSTokenLocation&, int, int) { return 1; } - int createBreakStatement(const JSTokenLocation&, const Identifier*, int, int) { return 1; } - int createContinueStatement(const JSTokenLocation&, int, int) { return 1; } - int createContinueStatement(const JSTokenLocation&, const Identifier*, int, int) { return 1; } - int createTryStatement(const JSTokenLocation&, int, const Identifier*, int, int, int, int) { return 1; } - int createSwitchStatement(const JSTokenLocation&, int, int, int, int, int, int) { return 1; } - int createWhileStatement(const JSTokenLocation&, int, int, int, int) { return 1; } - int createWithStatement(const JSTokenLocation&, int, int, int, int, int, int) { return 1; } - int createDoWhileStatement(const JSTokenLocation&, int, int, int, int) { return 1; } - int createLabelStatement(const JSTokenLocation&, const Identifier*, int, int, int) { return 1; } - int createThrowStatement(const JSTokenLocation&, int, int, int) { return 1; } - int createDebugger(const JSTokenLocation&, int, int) { return 1; } - int createConstStatement(const JSTokenLocation&, int, int, int) { return 1; } - int appendConstDecl(const JSTokenLocation&, int, const Identifier*, int) { return 1; } - Property createGetterOrSetterProperty(const JSTokenLocation&, PropertyNode::Type type, bool strict, const Identifier* name, int, int, int, int, int, int, int) + int createPropertyList(const JSTokenLocation&, Property) { return PropertyListResult; } + int createPropertyList(const JSTokenLocation&, Property, int) { return PropertyListResult; } + int createElementList(int, int) { return ElementsListResult; } + int createElementList(int, int, int) { return ElementsListResult; } + int createElementList(int) { return ElementsListResult; } + int createFormalParameterList() { return FormalParameterListResult; } + void appendParameter(int, DestructuringPattern, int) { } + int createClause(int, int) { return ClauseResult; } + int createClauseList(int) { return ClauseListResult; } + int createClauseList(int, int) { return ClauseListResult; } + int createFuncDeclStatement(const JSTokenLocation&, const ParserFunctionInfo<SyntaxChecker>&) { return StatementResult; } + int createClassDeclStatement(const JSTokenLocation&, ClassExpression, + const JSTextPosition&, const JSTextPosition&, int, int) { return StatementResult; } + int createBlockStatement(const JSTokenLocation&, int, int, int, VariableEnvironment&, DeclarationStacks::FunctionStack&&) { return StatementResult; } + int createExprStatement(const JSTokenLocation&, int, int, int) { return StatementResult; } + int createIfStatement(const JSTokenLocation&, int, int, int, int) { return StatementResult; } + int createIfStatement(const JSTokenLocation&, int, int, int, int, int) { return StatementResult; } + int createForLoop(const JSTokenLocation&, int, int, int, int, int, int, VariableEnvironment&) { return StatementResult; } + int createForInLoop(const JSTokenLocation&, int, int, int, const JSTokenLocation&, int, int, int, int, int, VariableEnvironment&) { return StatementResult; } + int createForOfLoop(const JSTokenLocation&, int, int, int, const JSTokenLocation&, int, int, int, int, int, VariableEnvironment&) { return StatementResult; } + int createEmptyStatement(const JSTokenLocation&) { return StatementResult; } + int createDeclarationStatement(const JSTokenLocation&, int, int, int) { return StatementResult; } + int createReturnStatement(const JSTokenLocation&, int, int, int) { return StatementResult; } + int createBreakStatement(const JSTokenLocation&, int, int) { return StatementResult; } + int createBreakStatement(const JSTokenLocation&, const Identifier*, int, int) { return StatementResult; } + int createContinueStatement(const JSTokenLocation&, int, int) { return StatementResult; } + int createContinueStatement(const JSTokenLocation&, const Identifier*, int, int) { return StatementResult; } + int createTryStatement(const JSTokenLocation&, int, int, int, int, int, int, VariableEnvironment&) { return StatementResult; } + int createSwitchStatement(const JSTokenLocation&, int, int, int, int, int, int, VariableEnvironment&, DeclarationStacks::FunctionStack&&) { return StatementResult; } + int createWhileStatement(const JSTokenLocation&, int, int, int, int) { return StatementResult; } + int createWithStatement(const JSTokenLocation&, int, int, int, int, int, int) { return StatementResult; } + int createDoWhileStatement(const JSTokenLocation&, int, int, int, int) { return StatementResult; } + int createLabelStatement(const JSTokenLocation&, const Identifier*, int, int, int) { return StatementResult; } + int createThrowStatement(const JSTokenLocation&, int, int, int) { return StatementResult; } + int createDebugger(const JSTokenLocation&, int, int) { return StatementResult; } + int createConstStatement(const JSTokenLocation&, int, int, int) { return StatementResult; } + int createModuleName(const JSTokenLocation&, const Identifier&) { return ModuleNameResult; } + ImportSpecifier createImportSpecifier(const JSTokenLocation&, const Identifier&, const Identifier&) { return ImportSpecifierResult; } + ImportSpecifierList createImportSpecifierList() { return ImportSpecifierListResult; } + void appendImportSpecifier(ImportSpecifierList, ImportSpecifier) { } + int createImportDeclaration(const JSTokenLocation&, ImportSpecifierList, ModuleName) { return StatementResult; } + int createExportAllDeclaration(const JSTokenLocation&, ModuleName) { return StatementResult; } + int createExportDefaultDeclaration(const JSTokenLocation&, int, const Identifier&) { return StatementResult; } + int createExportLocalDeclaration(const JSTokenLocation&, int) { return StatementResult; } + int createExportNamedDeclaration(const JSTokenLocation&, ExportSpecifierList, ModuleName) { return StatementResult; } + ExportSpecifier createExportSpecifier(const JSTokenLocation&, const Identifier&, const Identifier&) { return ExportSpecifierResult; } + ExportSpecifierList createExportSpecifierList() { return ExportSpecifierListResult; } + void appendExportSpecifier(ExportSpecifierList, ExportSpecifier) { } + + int appendConstDecl(const JSTokenLocation&, int, const Identifier*, int) { return StatementResult; } + Property createGetterOrSetterProperty(const JSTokenLocation&, PropertyNode::Type type, bool strict, const Identifier* name, const ParserFunctionInfo<SyntaxChecker>&, bool) { ASSERT(name); if (!strict) return Property(type); return Property(name, type); } - Property createGetterOrSetterProperty(VM* vm, const JSTokenLocation&, PropertyNode::Type type, bool strict, double name, int, int, int, int, int, int, int) + Property createGetterOrSetterProperty(const JSTokenLocation&, PropertyNode::Type type, bool, int, const ParserFunctionInfo<SyntaxChecker>&, bool) + { + return Property(type); + } + Property createGetterOrSetterProperty(VM* vm, ParserArena& parserArena, const JSTokenLocation&, PropertyNode::Type type, bool strict, double name, const ParserFunctionInfo<SyntaxChecker>&, bool) { if (!strict) return Property(type); - return Property(&vm->parserArena->identifierArena().makeNumericIdentifier(vm, name), type); + return Property(&parserArena.identifierArena().makeNumericIdentifier(vm, name), type); } void appendStatement(int, int) { } - void addVar(const Identifier*, bool) { } - int combineCommaNodes(const JSTokenLocation&, int, int) { return 1; } + int combineCommaNodes(const JSTokenLocation&, int, int) { return CommaExpr; } int evalCount() const { return 0; } void appendBinaryExpressionInfo(int& operandStackDepth, int expr, int, int, int, bool) { @@ -241,7 +304,7 @@ public: // Logic to handle datastructures used during parsing of binary expressions void operatorStackPop(int& operatorStackDepth) { operatorStackDepth--; } - bool operatorStackHasHigherPrecedence(int&, int) { return true; } + bool operatorStackShouldReduce(int) { return true; } BinaryOperand getFromOperandStack(int) { return m_topBinaryExpr; } void shrinkOperandStackBy(int& operandStackDepth, int amount) { operandStackDepth -= amount; } void appendBinaryOperation(const JSTokenLocation&, int& operandStackDepth, int&, BinaryOperand, BinaryOperand) { operandStackDepth++; } @@ -254,43 +317,93 @@ public: void unaryTokenStackRemoveLast(int& stackDepth) { stackDepth = 0; } void assignmentStackAppend(int, int, int, int, int, Operator) { } - int createAssignment(const JSTokenLocation&, int, int, int, int, int) { RELEASE_ASSERT_NOT_REACHED(); return 1; } - const Identifier* getName(const Property& property) const { ASSERT(property.name); return property.name; } + int createAssignment(const JSTokenLocation&, int, int, int, int, int) { RELEASE_ASSERT_NOT_REACHED(); return AssignmentExpr; } + const Identifier* getName(const Property& property) const { return property.name; } PropertyNode::Type getType(const Property& property) const { return property.type; } bool isResolve(ExpressionType expr) const { return expr == ResolveExpr || expr == ResolveEvalExpr; } - ExpressionType createDeconstructingAssignment(const JSTokenLocation&, int, ExpressionType) + ExpressionType createDestructuringAssignment(const JSTokenLocation&, int, ExpressionType) { - return 1; + return DestructuringAssignment; } ArrayPattern createArrayPattern(const JSTokenLocation&) { - return 1; + return ArrayDestructuring; } void appendArrayPatternSkipEntry(ArrayPattern, const JSTokenLocation&) { } - void appendArrayPatternEntry(ArrayPattern, const JSTokenLocation&, DeconstructionPattern) + void appendArrayPatternEntry(ArrayPattern, const JSTokenLocation&, DestructuringPattern, int) + { + } + void appendArrayPatternRestEntry(ArrayPattern, const JSTokenLocation&, DestructuringPattern) + { + } + void finishArrayPattern(ArrayPattern, const JSTextPosition&, const JSTextPosition&, const JSTextPosition&) { } ObjectPattern createObjectPattern(const JSTokenLocation&) { - return 1; + return ObjectDestructuring; + } + void appendObjectPatternEntry(ArrayPattern, const JSTokenLocation&, bool, const Identifier&, DestructuringPattern, int) + { + } + void appendObjectPatternEntry(ArrayPattern, const JSTokenLocation&, Expression, DestructuringPattern, Expression) + { } - void appendObjectPatternEntry(ArrayPattern, const JSTokenLocation&, bool, const Identifier&, DeconstructionPattern) + + DestructuringPattern createBindingLocation(const JSTokenLocation&, const Identifier&, const JSTextPosition&, const JSTextPosition&, AssignmentContext) { + return BindingDestructuring; + } + RestPattern createRestParameter(DestructuringPattern, size_t) + { + return RestParameter; } - DeconstructionPattern createBindingLocation(const JSTokenLocation&, const Identifier&, const JSTextPosition&, const JSTextPosition&) + DestructuringPattern createAssignmentElement(const Expression&, const JSTextPosition&, const JSTextPosition&) { - return 1; + return BindingDestructuring; } + + bool isBindingNode(DestructuringPattern pattern) + { + return pattern == BindingDestructuring; + } + + bool isAssignmentLocation(ExpressionType type) + { + return type == ResolveExpr || type == DotExpr || type == BracketExpr; + } + + bool isObjectLiteral(ExpressionType type) + { + return type == ObjectLiteralExpr; + } + + bool isArrayLiteral(ExpressionType type) + { + return type == ArrayLiteralExpr; + } + + bool isObjectOrArrayLiteral(ExpressionType type) + { + return isObjectLiteral(type) || isArrayLiteral(type); + } + + bool shouldSkipPauseLocation(int) const { return true; } + + void setEndOffset(int, int) { } + int endOffset(int) { return 0; } + void setStartOffset(int, int) { } + + JSTextPosition breakpointLocation(int) { return JSTextPosition(-1, 0, 0); } + + void propagateArgumentsUse() { } + private: int m_topBinaryExpr; int m_topUnaryToken; - Vector<int, 8> m_topBinaryExprs; - Vector<int, 8> m_topUnaryTokens; }; -} - -#endif +} // namespace JSC |