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* Copyright (C) 2010 Apple Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef SyntaxChecker_h
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#define SyntaxChecker_h
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#include <yarr/YarrSyntaxChecker.h>
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struct BinaryExprContext {
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BinaryExprContext(SyntaxChecker& context)
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m_context->m_topBinaryExprs.append(m_context->m_topBinaryExpr);
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m_context->m_topBinaryExpr = 0;
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m_context->m_topBinaryExpr = m_context->m_topBinaryExprs.last();
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m_context->m_topBinaryExprs.removeLast();
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SyntaxChecker* m_context;
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struct UnaryExprContext {
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UnaryExprContext(SyntaxChecker& context)
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m_context->m_topUnaryTokens.append(m_context->m_topUnaryToken);
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m_context->m_topUnaryToken = 0;
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m_context->m_topUnaryToken = m_context->m_topUnaryTokens.last();
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m_context->m_topUnaryTokens.removeLast();
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SyntaxChecker* m_context;
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SyntaxChecker(JSGlobalData* , void*)
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typedef SyntaxChecker FunctionBodyBuilder;
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ResolveEvalExpr, ResolveExpr, NumberExpr, StringExpr,
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ThisExpr, NullExpr, BoolExpr, RegExpExpr, ObjectLiteralExpr,
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FunctionExpr, BracketExpr, DotExpr, CallExpr,
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NewExpr, PreExpr, PostExpr, UnaryExpr, BinaryExpr,
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ConditionalExpr, AssignmentExpr, TypeofExpr,
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DeleteExpr, ArrayLiteralExpr };
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typedef int ExpressionType;
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typedef ExpressionType Expression;
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typedef int SourceElements;
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typedef int Arguments;
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typedef ExpressionType Comma;
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ALWAYS_INLINE Property(void* = 0)
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: type((PropertyNode::Type)0)
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ALWAYS_INLINE Property(const Identifier* ident, PropertyNode::Type ty)
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ALWAYS_INLINE Property(PropertyNode::Type ty)
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ALWAYS_INLINE bool operator!() { return !type; }
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const Identifier* name;
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PropertyNode::Type type;
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typedef int PropertyList;
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typedef int ElementList;
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typedef int ArgumentsList;
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typedef int FormalParameterList;
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typedef int FunctionBody;
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typedef int Statement;
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typedef int ClauseList;
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typedef int ConstDeclList;
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typedef int BinaryOperand;
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static const bool CreatesAST = false;
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static const bool NeedsFreeVariableInfo = false;
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static const bool CanUseFunctionCache = true;
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static const unsigned DontBuildKeywords = LexexFlagsDontBuildKeywords;
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static const unsigned DontBuildStrings = LexerFlagsDontBuildStrings;
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int createSourceElements() { return 1; }
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ExpressionType makeFunctionCallNode(const JSTokenLocation&, int, int, int, int, int) { return CallExpr; }
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void appendToComma(ExpressionType& base, ExpressionType right) { base = right; }
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ExpressionType createCommaExpr(const JSTokenLocation&, ExpressionType, ExpressionType right) { return right; }
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ExpressionType makeAssignNode(const JSTokenLocation&, ExpressionType, Operator, ExpressionType, bool, bool, int, int, int) { return AssignmentExpr; }
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ExpressionType makePrefixNode(const JSTokenLocation&, ExpressionType, Operator, int, int, int) { return PreExpr; }
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ExpressionType makePostfixNode(const JSTokenLocation&, ExpressionType, Operator, int, int, int) { return PostExpr; }
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ExpressionType makeTypeOfNode(const JSTokenLocation&, ExpressionType) { return TypeofExpr; }
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ExpressionType makeDeleteNode(const JSTokenLocation&, ExpressionType, int, int, int) { return DeleteExpr; }
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ExpressionType makeNegateNode(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
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ExpressionType makeBitwiseNotNode(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
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ExpressionType createLogicalNot(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
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ExpressionType createUnaryPlus(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
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ExpressionType createVoid(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
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ExpressionType thisExpr(const JSTokenLocation&) { return ThisExpr; }
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ExpressionType createResolve(const JSTokenLocation&, const Identifier*, int) { return ResolveExpr; }
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ExpressionType createObjectLiteral(const JSTokenLocation&) { return ObjectLiteralExpr; }
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ExpressionType createObjectLiteral(const JSTokenLocation&, int) { return ObjectLiteralExpr; }
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ExpressionType createArray(const JSTokenLocation&, int) { return ArrayLiteralExpr; }
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ExpressionType createArray(const JSTokenLocation&, int, int) { return ArrayLiteralExpr; }
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ExpressionType createNumberExpr(const JSTokenLocation&, double) { return NumberExpr; }
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ExpressionType createString(const JSTokenLocation&, const Identifier*) { return StringExpr; }
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ExpressionType createBoolean(const JSTokenLocation&, bool) { return BoolExpr; }
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ExpressionType createNull(const JSTokenLocation&) { return NullExpr; }
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ExpressionType createBracketAccess(const JSTokenLocation&, ExpressionType, ExpressionType, bool, int, int, int) { return BracketExpr; }
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ExpressionType createDotAccess(const JSTokenLocation&, ExpressionType, const Identifier*, int, int, int) { return DotExpr; }
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ExpressionType createRegExp(const JSTokenLocation&, const Identifier& pattern, const Identifier&, int) { return Yarr::checkSyntax(pattern.string()) ? 0 : RegExpExpr; }
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ExpressionType createNewExpr(const JSTokenLocation&, ExpressionType, int, int, int, int) { return NewExpr; }
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ExpressionType createNewExpr(const JSTokenLocation&, ExpressionType, int, int) { return NewExpr; }
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ExpressionType createConditionalExpr(const JSTokenLocation&, ExpressionType, ExpressionType, ExpressionType) { return ConditionalExpr; }
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ExpressionType createAssignResolve(const JSTokenLocation&, const Identifier&, ExpressionType, int, int, int) { return AssignmentExpr; }
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ExpressionType createFunctionExpr(const JSTokenLocation&, const Identifier*, int, int, int, int, int, int) { return FunctionExpr; }
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int createFunctionBody(const JSTokenLocation&, bool) { return 1; }
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int createArguments() { return 1; }
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int createArguments(int) { return 1; }
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int createArgumentsList(const JSTokenLocation&, int) { return 1; }
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int createArgumentsList(const JSTokenLocation&, int, int) { return 1; }
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template <bool complete> Property createProperty(const Identifier* name, int, PropertyNode::Type type)
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return Property(type);
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return Property(name, type);
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template <bool complete> Property createProperty(JSGlobalData* globalData, double name, int, PropertyNode::Type type)
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return Property(type);
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return Property(&globalData->parserArena->identifierArena().makeNumericIdentifier(globalData, name), type);
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int createPropertyList(const JSTokenLocation&, Property) { return 1; }
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int createPropertyList(const JSTokenLocation&, Property, int) { return 1; }
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int createElementList(int, int) { return 1; }
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int createElementList(int, int, int) { return 1; }
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int createFormalParameterList(const Identifier&) { return 1; }
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int createFormalParameterList(int, const Identifier&) { return 1; }
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int createClause(int, int) { return 1; }
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int createClauseList(int) { return 1; }
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int createClauseList(int, int) { return 1; }
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void setUsesArguments(int) { }
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int createFuncDeclStatement(const JSTokenLocation&, const Identifier*, int, int, int, int, int, int) { return 1; }
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int createBlockStatement(const JSTokenLocation&, int, int, int) { return 1; }
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int createExprStatement(const JSTokenLocation&, int, int, int) { return 1; }
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int createIfStatement(const JSTokenLocation&, int, int, int, int) { return 1; }
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int createIfStatement(const JSTokenLocation&, int, int, int, int, int) { return 1; }
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int createForLoop(const JSTokenLocation&, int, int, int, int, int, int) { return 1; }
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int createForInLoop(const JSTokenLocation&, const Identifier*, int, int, int, int, int, int, int, int, int, int) { return 1; }
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int createForInLoop(const JSTokenLocation&, int, int, int, int, int, int, int, int) { return 1; }
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int createEmptyStatement(const JSTokenLocation&) { return 1; }
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int createVarStatement(const JSTokenLocation&, int, int, int) { return 1; }
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int createReturnStatement(const JSTokenLocation&, int, int, int, int, int) { return 1; }
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int createBreakStatement(const JSTokenLocation&, int, int, int, int) { return 1; }
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int createBreakStatement(const JSTokenLocation&, const Identifier*, int, int, int, int) { return 1; }
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int createContinueStatement(const JSTokenLocation&, int, int, int, int) { return 1; }
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int createContinueStatement(const JSTokenLocation&, const Identifier*, int, int, int, int) { return 1; }
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int createTryStatement(const JSTokenLocation&, int, const Identifier*, int, int, int, int) { return 1; }
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int createSwitchStatement(const JSTokenLocation&, int, int, int, int, int, int) { return 1; }
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int createWhileStatement(const JSTokenLocation&, int, int, int, int) { return 1; }
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int createWithStatement(const JSTokenLocation&, int, int, int, int, int, int) { return 1; }
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int createDoWhileStatement(const JSTokenLocation&, int, int, int, int) { return 1; }
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int createLabelStatement(const JSTokenLocation&, const Identifier*, int, int, int) { return 1; }
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int createThrowStatement(const JSTokenLocation&, int, int, int, int, int) { return 1; }
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int createDebugger(const JSTokenLocation&, int, int) { return 1; }
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int createConstStatement(const JSTokenLocation&, int, int, int) { return 1; }
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int appendConstDecl(const JSTokenLocation&, int, const Identifier*, int) { return 1; }
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template <bool strict> Property createGetterOrSetterProperty(const JSTokenLocation&, PropertyNode::Type type, const Identifier* name, int, int, int, int, int, int)
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return Property(type);
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return Property(name, type);
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template <bool strict> Property createGetterOrSetterProperty(JSGlobalData* globalData, const JSTokenLocation&, PropertyNode::Type type, double name, int, int, int, int, int, int)
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return Property(type);
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return Property(&globalData->parserArena->identifierArena().makeNumericIdentifier(globalData, name), type);
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void appendStatement(int, int) { }
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void addVar(const Identifier*, bool) { }
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int combineCommaNodes(const JSTokenLocation&, int, int) { return 1; }
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int evalCount() const { return 0; }
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void appendBinaryExpressionInfo(int& operandStackDepth, int expr, int, int, int, bool)
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if (!m_topBinaryExpr)
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m_topBinaryExpr = expr;
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m_topBinaryExpr = BinaryExpr;
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// Logic to handle datastructures used during parsing of binary expressions
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void operatorStackPop(int& operatorStackDepth) { operatorStackDepth--; }
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bool operatorStackHasHigherPrecedence(int&, int) { return true; }
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BinaryOperand getFromOperandStack(int) { return m_topBinaryExpr; }
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void shrinkOperandStackBy(int& operandStackDepth, int amount) { operandStackDepth -= amount; }
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void appendBinaryOperation(const JSTokenLocation&, int& operandStackDepth, int&, BinaryOperand, BinaryOperand) { operandStackDepth++; }
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void operatorStackAppend(int& operatorStackDepth, int, int) { operatorStackDepth++; }
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int popOperandStack(int&) { int res = m_topBinaryExpr; m_topBinaryExpr = 0; return res; }
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void appendUnaryToken(int& stackDepth, int tok, int) { stackDepth = 1; m_topUnaryToken = tok; }
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int unaryTokenStackLastType(int&) { return m_topUnaryToken; }
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int unaryTokenStackLastStart(int&) { return 0; }
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void unaryTokenStackRemoveLast(int& stackDepth) { stackDepth = 0; }
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void assignmentStackAppend(int, int, int, int, int, Operator) { }
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int createAssignment(const JSTokenLocation&, int, int, int, int, int) { ASSERT_NOT_REACHED(); return 1; }
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const Identifier& getName(const Property& property) const { ASSERT(property.name); return *property.name; }
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PropertyNode::Type getType(const Property& property) const { return property.type; }
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bool isResolve(ExpressionType expr) const { return expr == ResolveExpr || expr == ResolveEvalExpr; }
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Vector<int, 8> m_topBinaryExprs;
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Vector<int, 8> m_topUnaryTokens;