[apple/javascriptcore.git] / parser / SyntaxChecker.h

/*
 * Copyright (C) 2010, 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SyntaxChecker_h
#define SyntaxChecker_h

#include "Lexer.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_context->m_topBinaryExpr = 0;
        }
        ~BinaryExprContext()
        {
            m_context->m_topBinaryExpr = m_context->m_topBinaryExprs.last();
            m_context->m_topBinaryExprs.removeLast();
        }
    private:
        SyntaxChecker* m_context;
    };
    struct UnaryExprContext {
        UnaryExprContext(SyntaxChecker& context)
            : m_context(&context)
        {
            m_context->m_topUnaryTokens.append(m_context->m_topUnaryToken);
            m_context->m_topUnaryToken = 0;
        }
        ~UnaryExprContext()
        {
            m_context->m_topUnaryToken = m_context->m_topUnaryTokens.last();
            m_context->m_topUnaryTokens.removeLast();
        }
    private:
        SyntaxChecker* m_context;
    };
    
    SyntaxChecker(VM* , void*)
    {
    }

    typedef SyntaxChecker FunctionBodyBuilder;
    enum { NoneExpr = 0,
        ResolveEvalExpr, ResolveExpr, NumberExpr, StringExpr,
        ThisExpr, NullExpr, BoolExpr, RegExpExpr, ObjectLiteralExpr,
        FunctionExpr, BracketExpr, DotExpr, CallExpr,
        NewExpr, PreExpr, PostExpr, UnaryExpr, BinaryExpr,
        ConditionalExpr, AssignmentExpr, TypeofExpr,
        DeleteExpr, ArrayLiteralExpr, BindingDeconstruction,
        ArrayDeconstruction, ObjectDeconstruction, SourceElementsResult,
        FunctionBodyResult, SpreadExpr, ArgumentsResult,
        PropertyListResult, ArgumentsListResult, ElementsListResult,
        StatementResult, FormalParameterListResult, ClauseResult,
        ClauseListResult, CommaExpr, DeconstructingAssignment
    };
    typedef int ExpressionType;

    typedef ExpressionType Expression;
    typedef int SourceElements;
    typedef int Arguments;
    typedef ExpressionType Comma;
    struct Property {
        ALWAYS_INLINE Property(void* = 0)
            : type((PropertyNode::Type)0)
        {
        }
        ALWAYS_INLINE Property(const Identifier* ident, PropertyNode::Type ty)
            : name(ident)
            , type(ty)
        {
        }
        ALWAYS_INLINE Property(PropertyNode::Type ty)
            : name(0)
            , type(ty)
        {
        }
        ALWAYS_INLINE bool operator!() { return !type; }
        const Identifier* name;
        PropertyNode::Type type;
    };
    typedef int PropertyList;
    typedef int ElementList;
    typedef int ArgumentsList;
    typedef int FormalParameterList;
    typedef int FunctionBody;
    typedef int Statement;
    typedef int ClauseList;
    typedef int Clause;
    typedef int ConstDeclList;
    typedef int BinaryOperand;
    typedef int DeconstructionPattern;
    typedef DeconstructionPattern ArrayPattern;
    typedef DeconstructionPattern ObjectPattern;

    static const bool CreatesAST = false;
    static const bool NeedsFreeVariableInfo = false;
    static const bool CanUseFunctionCache = true;
    static const unsigned DontBuildKeywords = LexexFlagsDontBuildKeywords;
    static const unsigned DontBuildStrings = LexerFlagsDontBuildStrings;

    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 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; }
    ExpressionType makeTypeOfNode(const JSTokenLocation&, ExpressionType) { return TypeofExpr; }
    ExpressionType makeDeleteNode(const JSTokenLocation&, ExpressionType, int, int, int) { return DeleteExpr; }
    ExpressionType makeNegateNode(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
    ExpressionType makeBitwiseNotNode(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
    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 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 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 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 FunctionBodyResult; }
    void setFunctionNameStart(int, int) { }
    int createArguments() { return ArgumentsResult; }
    int createArguments(int) { return ArgumentsResult; }
    ExpressionType createSpreadExpression(const JSTokenLocation&, ExpressionType, int, int, int) { return SpreadExpr; }
    int createArgumentsList(const JSTokenLocation&, int) { return ArgumentsListResult; }
    int createArgumentsList(const JSTokenLocation&, int, int) { return ArgumentsListResult; }
    Property createProperty(const Identifier* name, int, PropertyNode::Type type, bool complete)
    {
        if (!complete)
            return Property(type);
        ASSERT(name);
        return Property(name, type);
    }
    Property createProperty(VM* vm, double name, int, PropertyNode::Type type, bool complete)
    {
        if (!complete)
            return Property(type);
        return Property(&vm->parserArena->identifierArena().makeNumericIdentifier(vm, name), type);
    }
    Property createProperty(VM*, ExpressionNode*, int, PropertyNode::Type type, bool)
    {
        return Property(type);
    }
    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 createFormalParameterList(DeconstructionPattern) { return FormalParameterListResult; }
    int createFormalParameterList(int, DeconstructionPattern) { return FormalParameterListResult; }
    int createClause(int, int) { return ClauseResult; }
    int createClauseList(int) { return ClauseListResult; }
    int createClauseList(int, int) { return ClauseListResult; }
    void setUsesArguments(int) { }
    int createFuncDeclStatement(const JSTokenLocation&, const Identifier*, int, int, int, int, int, int, int) { return StatementResult; }
    int createBlockStatement(const JSTokenLocation&, int, int, int) { 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) { return StatementResult; }
    int createForInLoop(const JSTokenLocation&, int, int, int, int, int, int, int, int) { return StatementResult; }
    int createForOfLoop(const JSTokenLocation&, int, int, int, int, int, int, int, int) { return StatementResult; }
    int createEmptyStatement(const JSTokenLocation&) { return StatementResult; }
    int createVarStatement(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, const Identifier*, int, int, int, int) { return StatementResult; }
    int createSwitchStatement(const JSTokenLocation&, int, int, int, int, int, int) { 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 appendConstDecl(const JSTokenLocation&, int, const Identifier*, int) { return StatementResult; }
    Property createGetterOrSetterProperty(const JSTokenLocation&, PropertyNode::Type type, bool strict, const Identifier* name, int, int, int, int, int, int, int)
    {
        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)
    {
        if (!strict)
            return Property(type);
        return Property(&vm->parserArena->identifierArena().makeNumericIdentifier(vm, name), type);
    }

    void appendStatement(int, int) { }
    void addVar(const Identifier*, bool) { }
    int combineCommaNodes(const JSTokenLocation&, int, int) { return CommaExpr; }
    int evalCount() const { return 0; }
    void appendBinaryExpressionInfo(int& operandStackDepth, int expr, int, int, int, bool)
    {
        if (!m_topBinaryExpr)
            m_topBinaryExpr = expr;
        else
            m_topBinaryExpr = BinaryExpr;
        operandStackDepth++;
    }
    
    // Logic to handle datastructures used during parsing of binary expressions
    void operatorStackPop(int& operatorStackDepth) { operatorStackDepth--; }
    bool operatorStackHasHigherPrecedence(int&, 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++; }
    void operatorStackAppend(int& operatorStackDepth, int, int) { operatorStackDepth++; }
    int popOperandStack(int&) { int res = m_topBinaryExpr; m_topBinaryExpr = 0; return res; }
    
    void appendUnaryToken(int& stackDepth, int tok, int) { stackDepth = 1; m_topUnaryToken = tok; }
    int unaryTokenStackLastType(int&) { return m_topUnaryToken; }
    JSTextPosition unaryTokenStackLastStart(int&) { return JSTextPosition(0, 0, 0); }
    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 AssignmentExpr; }
    const Identifier* getName(const Property& property) const { ASSERT(property.name); 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)
    {
        return DeconstructingAssignment;
    }
    
    ArrayPattern createArrayPattern(const JSTokenLocation&)
    {
        return ArrayDeconstruction;
    }
    void appendArrayPatternSkipEntry(ArrayPattern, const JSTokenLocation&)
    {
    }
    void appendArrayPatternEntry(ArrayPattern, const JSTokenLocation&, DeconstructionPattern)
    {
    }
    ObjectPattern createObjectPattern(const JSTokenLocation&)
    {
        return ObjectDeconstruction;
    }
    void appendObjectPatternEntry(ArrayPattern, const JSTokenLocation&, bool, const Identifier&, DeconstructionPattern)
    {
    }
    DeconstructionPattern createBindingLocation(const JSTokenLocation&, const Identifier&, const JSTextPosition&, const JSTextPosition&)
    {
        return BindingDeconstruction;
    }

    bool isBindingNode(DeconstructionPattern pattern)
    {
        return pattern == BindingDeconstruction;
    }

private:
    int m_topBinaryExpr;
    int m_topUnaryToken;
    Vector<int, 8> m_topBinaryExprs;
    Vector<int, 8> m_topUnaryTokens;
};

}

#endif
Commit	Line	Data
14957cd0	1	/*
93a37866	2	* Copyright (C) 2010, 2013 Apple Inc. All rights reserved.
14957cd0 A	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#ifndef SyntaxChecker_h
	27	#define SyntaxChecker_h
	28
	29	#include "Lexer.h"
81345200	30	#include "YarrSyntaxChecker.h"
14957cd0 A	31
14957cd0 A	32	namespace JSC {
6fe7ccc8	33
14957cd0 A	34	class SyntaxChecker {
	35	public:
	36	struct BinaryExprContext {
	37	BinaryExprContext(SyntaxChecker& context)
	38	: m_context(&context)
	39	{
	40	m_context->m_topBinaryExprs.append(m_context->m_topBinaryExpr);
	41	m_context->m_topBinaryExpr = 0;
	42	}
	43	~BinaryExprContext()
	44	{
	45	m_context->m_topBinaryExpr = m_context->m_topBinaryExprs.last();
	46	m_context->m_topBinaryExprs.removeLast();
	47	}
	48	private:
	49	SyntaxChecker* m_context;
	50	};
	51	struct UnaryExprContext {
	52	UnaryExprContext(SyntaxChecker& context)
	53	: m_context(&context)
	54	{
	55	m_context->m_topUnaryTokens.append(m_context->m_topUnaryToken);
	56	m_context->m_topUnaryToken = 0;
	57	}
	58	~UnaryExprContext()
	59	{
	60	m_context->m_topUnaryToken = m_context->m_topUnaryTokens.last();
	61	m_context->m_topUnaryTokens.removeLast();
	62	}
	63	private:
	64	SyntaxChecker* m_context;
	65	};
	66
93a37866	67	SyntaxChecker(VM* , void*)
14957cd0 A	68	{
	69	}
	70
	71	typedef SyntaxChecker FunctionBodyBuilder;
	72	enum { NoneExpr = 0,
	73	ResolveEvalExpr, ResolveExpr, NumberExpr, StringExpr,
	74	ThisExpr, NullExpr, BoolExpr, RegExpExpr, ObjectLiteralExpr,
	75	FunctionExpr, BracketExpr, DotExpr, CallExpr,
	76	NewExpr, PreExpr, PostExpr, UnaryExpr, BinaryExpr,
	77	ConditionalExpr, AssignmentExpr, TypeofExpr,
81345200 A	78	DeleteExpr, ArrayLiteralExpr, BindingDeconstruction,
	79	ArrayDeconstruction, ObjectDeconstruction, SourceElementsResult,
	80	FunctionBodyResult, SpreadExpr, ArgumentsResult,
	81	PropertyListResult, ArgumentsListResult, ElementsListResult,
	82	StatementResult, FormalParameterListResult, ClauseResult,
	83	ClauseListResult, CommaExpr, DeconstructingAssignment
	84	};
14957cd0 A	85	typedef int ExpressionType;
	86
	87	typedef ExpressionType Expression;
	88	typedef int SourceElements;
	89	typedef int Arguments;
	90	typedef ExpressionType Comma;
	91	struct Property {
	92	ALWAYS_INLINE Property(void* = 0)
	93	: type((PropertyNode::Type)0)
	94	{
	95	}
	96	ALWAYS_INLINE Property(const Identifier* ident, PropertyNode::Type ty)
81345200 A	97	: name(ident)
81345200 A	98	, type(ty)
14957cd0 A	99	{
	100	}
	101	ALWAYS_INLINE Property(PropertyNode::Type ty)
	102	: name(0)
	103	, type(ty)
	104	{
	105	}
	106	ALWAYS_INLINE bool operator!() { return !type; }
	107	const Identifier* name;
	108	PropertyNode::Type type;
	109	};
	110	typedef int PropertyList;
	111	typedef int ElementList;
	112	typedef int ArgumentsList;
	113	typedef int FormalParameterList;
	114	typedef int FunctionBody;
	115	typedef int Statement;
	116	typedef int ClauseList;
	117	typedef int Clause;
	118	typedef int ConstDeclList;
	119	typedef int BinaryOperand;
81345200 A	120	typedef int DeconstructionPattern;
	121	typedef DeconstructionPattern ArrayPattern;
	122	typedef DeconstructionPattern ObjectPattern;
	123
14957cd0 A	124	static const bool CreatesAST = false;
	125	static const bool NeedsFreeVariableInfo = false;
	126	static const bool CanUseFunctionCache = true;
6fe7ccc8 A	127	static const unsigned DontBuildKeywords = LexexFlagsDontBuildKeywords;
6fe7ccc8 A	128	static const unsigned DontBuildStrings = LexerFlagsDontBuildStrings;
14957cd0	129
81345200 A	130	int createSourceElements() { return SourceElementsResult; }
81345200 A	131	ExpressionType makeFunctionCallNode(const JSTokenLocation&, int, int, int, int, int) { return CallExpr; }
14957cd0	132	void appendToComma(ExpressionType& base, ExpressionType right) { base = right; }
93a37866	133	ExpressionType createCommaExpr(const JSTokenLocation&, ExpressionType, ExpressionType right) { return right; }
81345200 A	134	ExpressionType makeAssignNode(const JSTokenLocation&, ExpressionType, Operator, ExpressionType, bool, bool, int, int, int) { return AssignmentExpr; }
	135	ExpressionType makePrefixNode(const JSTokenLocation&, ExpressionType, Operator, int, int, int) { return PreExpr; }
	136	ExpressionType makePostfixNode(const JSTokenLocation&, ExpressionType, Operator, int, int, int) { return PostExpr; }
93a37866	137	ExpressionType makeTypeOfNode(const JSTokenLocation&, ExpressionType) { return TypeofExpr; }
81345200	138	ExpressionType makeDeleteNode(const JSTokenLocation&, ExpressionType, int, int, int) { return DeleteExpr; }
93a37866 A	139	ExpressionType makeNegateNode(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
	140	ExpressionType makeBitwiseNotNode(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
	141	ExpressionType createLogicalNot(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
	142	ExpressionType createUnaryPlus(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
	143	ExpressionType createVoid(const JSTokenLocation&, ExpressionType) { return UnaryExpr; }
	144	ExpressionType thisExpr(const JSTokenLocation&) { return ThisExpr; }
81345200	145	ExpressionType createResolve(const JSTokenLocation&, const Identifier*, int) { return ResolveExpr; }
93a37866 A	146	ExpressionType createObjectLiteral(const JSTokenLocation&) { return ObjectLiteralExpr; }
	147	ExpressionType createObjectLiteral(const JSTokenLocation&, int) { return ObjectLiteralExpr; }
	148	ExpressionType createArray(const JSTokenLocation&, int) { return ArrayLiteralExpr; }
	149	ExpressionType createArray(const JSTokenLocation&, int, int) { return ArrayLiteralExpr; }
	150	ExpressionType createNumberExpr(const JSTokenLocation&, double) { return NumberExpr; }
	151	ExpressionType createString(const JSTokenLocation&, const Identifier*) { return StringExpr; }
	152	ExpressionType createBoolean(const JSTokenLocation&, bool) { return BoolExpr; }
	153	ExpressionType createNull(const JSTokenLocation&) { return NullExpr; }
81345200 A	154	ExpressionType createBracketAccess(const JSTokenLocation&, ExpressionType, ExpressionType, bool, int, int, int) { return BracketExpr; }
	155	ExpressionType createDotAccess(const JSTokenLocation&, ExpressionType, const Identifier*, int, int, int) { return DotExpr; }
	156	ExpressionType createRegExp(const JSTokenLocation&, const Identifier& pattern, const Identifier&, int) { return Yarr::checkSyntax(pattern.string()) ? 0 : RegExpExpr; }
93a37866	157	ExpressionType createNewExpr(const JSTokenLocation&, ExpressionType, int, int, int, int) { return NewExpr; }
81345200	158	ExpressionType createNewExpr(const JSTokenLocation&, ExpressionType, int, int) { return NewExpr; }
93a37866	159	ExpressionType createConditionalExpr(const JSTokenLocation&, ExpressionType, ExpressionType, ExpressionType) { return ConditionalExpr; }
81345200	160	ExpressionType createAssignResolve(const JSTokenLocation&, const Identifier&, ExpressionType, int, int, int) { return AssignmentExpr; }
93a37866	161	ExpressionType createFunctionExpr(const JSTokenLocation&, const Identifier*, int, int, int, int, int, int, int) { return FunctionExpr; }
81345200 A	162	int createFunctionBody(const JSTokenLocation&, const JSTokenLocation&, int, int, bool) { return FunctionBodyResult; }
	163	void setFunctionNameStart(int, int) { }
	164	int createArguments() { return ArgumentsResult; }
	165	int createArguments(int) { return ArgumentsResult; }
	166	ExpressionType createSpreadExpression(const JSTokenLocation&, ExpressionType, int, int, int) { return SpreadExpr; }
	167	int createArgumentsList(const JSTokenLocation&, int) { return ArgumentsListResult; }
	168	int createArgumentsList(const JSTokenLocation&, int, int) { return ArgumentsListResult; }
	169	Property createProperty(const Identifier* name, int, PropertyNode::Type type, bool complete)
14957cd0 A	170	{
	171	if (!complete)
	172	return Property(type);
	173	ASSERT(name);
	174	return Property(name, type);
	175	}
81345200	176	Property createProperty(VM* vm, double name, int, PropertyNode::Type type, bool complete)
14957cd0 A	177	{
	178	if (!complete)
	179	return Property(type);
93a37866	180	return Property(&vm->parserArena->identifierArena().makeNumericIdentifier(vm, name), type);
14957cd0	181	}
81345200 A	182	Property createProperty(VM, ExpressionNode, int, PropertyNode::Type type, bool)
	183	{
	184	return Property(type);
	185	}
	186	int createPropertyList(const JSTokenLocation&, Property) { return PropertyListResult; }
	187	int createPropertyList(const JSTokenLocation&, Property, int) { return PropertyListResult; }
	188	int createElementList(int, int) { return ElementsListResult; }
	189	int createElementList(int, int, int) { return ElementsListResult; }
	190	int createFormalParameterList(DeconstructionPattern) { return FormalParameterListResult; }
	191	int createFormalParameterList(int, DeconstructionPattern) { return FormalParameterListResult; }
	192	int createClause(int, int) { return ClauseResult; }
	193	int createClauseList(int) { return ClauseListResult; }
	194	int createClauseList(int, int) { return ClauseListResult; }
14957cd0	195	void setUsesArguments(int) { }
81345200 A	196	int createFuncDeclStatement(const JSTokenLocation&, const Identifier*, int, int, int, int, int, int, int) { return StatementResult; }
	197	int createBlockStatement(const JSTokenLocation&, int, int, int) { return StatementResult; }
	198	int createExprStatement(const JSTokenLocation&, int, int, int) { return StatementResult; }
	199	int createIfStatement(const JSTokenLocation&, int, int, int, int) { return StatementResult; }
	200	int createIfStatement(const JSTokenLocation&, int, int, int, int, int) { return StatementResult; }
	201	int createForLoop(const JSTokenLocation&, int, int, int, int, int, int) { return StatementResult; }
	202	int createForInLoop(const JSTokenLocation&, int, int, int, int, int, int, int, int) { return StatementResult; }
	203	int createForOfLoop(const JSTokenLocation&, int, int, int, int, int, int, int, int) { return StatementResult; }
	204	int createEmptyStatement(const JSTokenLocation&) { return StatementResult; }
	205	int createVarStatement(const JSTokenLocation&, int, int, int) { return StatementResult; }
	206	int createReturnStatement(const JSTokenLocation&, int, int, int) { return StatementResult; }
	207	int createBreakStatement(const JSTokenLocation&, int, int) { return StatementResult; }
	208	int createBreakStatement(const JSTokenLocation&, const Identifier*, int, int) { return StatementResult; }
	209	int createContinueStatement(const JSTokenLocation&, int, int) { return StatementResult; }
	210	int createContinueStatement(const JSTokenLocation&, const Identifier*, int, int) { return StatementResult; }
	211	int createTryStatement(const JSTokenLocation&, int, const Identifier*, int, int, int, int) { return StatementResult; }
	212	int createSwitchStatement(const JSTokenLocation&, int, int, int, int, int, int) { return StatementResult; }
	213	int createWhileStatement(const JSTokenLocation&, int, int, int, int) { return StatementResult; }
	214	int createWithStatement(const JSTokenLocation&, int, int, int, int, int, int) { return StatementResult; }
	215	int createDoWhileStatement(const JSTokenLocation&, int, int, int, int) { return StatementResult; }
	216	int createLabelStatement(const JSTokenLocation&, const Identifier*, int, int, int) { return StatementResult; }
	217	int createThrowStatement(const JSTokenLocation&, int, int, int) { return StatementResult; }
	218	int createDebugger(const JSTokenLocation&, int, int) { return StatementResult; }
	219	int createConstStatement(const JSTokenLocation&, int, int, int) { return StatementResult; }
	220	int appendConstDecl(const JSTokenLocation&, int, const Identifier*, int) { return StatementResult; }
	221	Property createGetterOrSetterProperty(const JSTokenLocation&, PropertyNode::Type type, bool strict, const Identifier* name, int, int, int, int, int, int, int)
14957cd0 A	222	{
	223	ASSERT(name);
	224	if (!strict)
	225	return Property(type);
	226	return Property(name, type);
	227	}
81345200	228	Property createGetterOrSetterProperty(VM* vm, const JSTokenLocation&, PropertyNode::Type type, bool strict, double name, int, int, int, int, int, int, int)
6fe7ccc8 A	229	{
	230	if (!strict)
	231	return Property(type);
93a37866	232	return Property(&vm->parserArena->identifierArena().makeNumericIdentifier(vm, name), type);
6fe7ccc8	233	}
14957cd0 A	234
	235	void appendStatement(int, int) { }
	236	void addVar(const Identifier*, bool) { }
81345200	237	int combineCommaNodes(const JSTokenLocation&, int, int) { return CommaExpr; }
14957cd0	238	int evalCount() const { return 0; }
81345200	239	void appendBinaryExpressionInfo(int& operandStackDepth, int expr, int, int, int, bool)
14957cd0 A	240	{
	241	if (!m_topBinaryExpr)
	242	m_topBinaryExpr = expr;
	243	else
	244	m_topBinaryExpr = BinaryExpr;
	245	operandStackDepth++;
	246	}
	247
	248	// Logic to handle datastructures used during parsing of binary expressions
	249	void operatorStackPop(int& operatorStackDepth) { operatorStackDepth--; }
	250	bool operatorStackHasHigherPrecedence(int&, int) { return true; }
	251	BinaryOperand getFromOperandStack(int) { return m_topBinaryExpr; }
	252	void shrinkOperandStackBy(int& operandStackDepth, int amount) { operandStackDepth -= amount; }
93a37866	253	void appendBinaryOperation(const JSTokenLocation&, int& operandStackDepth, int&, BinaryOperand, BinaryOperand) { operandStackDepth++; }
14957cd0 A	254	void operatorStackAppend(int& operatorStackDepth, int, int) { operatorStackDepth++; }
	255	int popOperandStack(int&) { int res = m_topBinaryExpr; m_topBinaryExpr = 0; return res; }
	256
81345200	257	void appendUnaryToken(int& stackDepth, int tok, int) { stackDepth = 1; m_topUnaryToken = tok; }
14957cd0	258	int unaryTokenStackLastType(int&) { return m_topUnaryToken; }
81345200	259	JSTextPosition unaryTokenStackLastStart(int&) { return JSTextPosition(0, 0, 0); }
14957cd0 A	260	void unaryTokenStackRemoveLast(int& stackDepth) { stackDepth = 0; }
14957cd0 A	261
81345200 A	262	void assignmentStackAppend(int, int, int, int, int, Operator) { }
	263	int createAssignment(const JSTokenLocation&, int, int, int, int, int) { RELEASE_ASSERT_NOT_REACHED(); return AssignmentExpr; }
	264	const Identifier* getName(const Property& property) const { ASSERT(property.name); return property.name; }
14957cd0 A	265	PropertyNode::Type getType(const Property& property) const { return property.type; }
14957cd0 A	266	bool isResolve(ExpressionType expr) const { return expr == ResolveExpr \|\| expr == ResolveEvalExpr; }
81345200 A	267	ExpressionType createDeconstructingAssignment(const JSTokenLocation&, int, ExpressionType)
	268	{
	269	return DeconstructingAssignment;
	270	}
14957cd0	271
81345200 A	272	ArrayPattern createArrayPattern(const JSTokenLocation&)
	273	{
	274	return ArrayDeconstruction;
	275	}
	276	void appendArrayPatternSkipEntry(ArrayPattern, const JSTokenLocation&)
	277	{
	278	}
	279	void appendArrayPatternEntry(ArrayPattern, const JSTokenLocation&, DeconstructionPattern)
	280	{
	281	}
	282	ObjectPattern createObjectPattern(const JSTokenLocation&)
	283	{
	284	return ObjectDeconstruction;
	285	}
	286	void appendObjectPatternEntry(ArrayPattern, const JSTokenLocation&, bool, const Identifier&, DeconstructionPattern)
	287	{
	288	}
	289	DeconstructionPattern createBindingLocation(const JSTokenLocation&, const Identifier&, const JSTextPosition&, const JSTextPosition&)
	290	{
	291	return BindingDeconstruction;
	292	}
	293
	294	bool isBindingNode(DeconstructionPattern pattern)
	295	{
	296	return pattern == BindingDeconstruction;
	297	}
	298
14957cd0 A	299	private:
	300	int m_topBinaryExpr;
	301	int m_topUnaryToken;
	302	Vector<int, 8> m_topBinaryExprs;
	303	Vector<int, 8> m_topUnaryTokens;
	304	};
	305
	306	}
	307
	308	#endif