JavaScriptCore-7600.1.4.15.12.tar.gz

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

diff --git a/parser/SyntaxChecker.h b/parser/SyntaxChecker.h
index 2392244b9438cdc2347f7226b05e5da1e6b88dae..8912d8b88b839d0f9577be10649fbdda8f7abffd 100644 (file)
--- a/parser/SyntaxChecker.h
+++ b/parser/SyntaxChecker.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (C) 2010 Apple Inc. All rights reserved.
+ * 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
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions


@@ -27,9 +27,10 @@
 #define SyntaxChecker_h
 
 #include "Lexer.h"
 #define SyntaxChecker_h
 
 #include "Lexer.h"

-#include <yarr/YarrSyntaxChecker.h>
+#include "YarrSyntaxChecker.h"

 
 namespace JSC {
 
 namespace JSC {

+    

 class SyntaxChecker {
 public:
     struct BinaryExprContext {
 class SyntaxChecker {
 public:
     struct BinaryExprContext {


@@ -63,7 +64,7 @@ public:
         SyntaxChecker* m_context;
     };
     
         SyntaxChecker* m_context;
     };
     

-    SyntaxChecker(JSGlobalData* , Lexer*)
+    SyntaxChecker(VM* , void*)

     {
     }
 
     {
     }
 


@@ -74,7 +75,13 @@ public:
         FunctionExpr, BracketExpr, DotExpr, CallExpr,
         NewExpr, PreExpr, PostExpr, UnaryExpr, BinaryExpr,
         ConditionalExpr, AssignmentExpr, TypeofExpr,
         FunctionExpr, BracketExpr, DotExpr, CallExpr,
         NewExpr, PreExpr, PostExpr, UnaryExpr, BinaryExpr,
         ConditionalExpr, AssignmentExpr, TypeofExpr,

-        DeleteExpr, ArrayLiteralExpr };
+        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 ExpressionType;
 
     typedef ExpressionType Expression;


@@ -87,8 +94,8 @@ public:
         {
         }
         ALWAYS_INLINE Property(const Identifier* ident, PropertyNode::Type ty)
         {
         }
         ALWAYS_INLINE Property(const Identifier* ident, PropertyNode::Type ty)

-        : name(ident)
-        , type(ty)
+            : name(ident)
+            , type(ty)

         {
         }
         ALWAYS_INLINE Property(PropertyNode::Type ty)
         {
         }
         ALWAYS_INLINE Property(PropertyNode::Type ty)


@@ -110,109 +117,124 @@ public:
     typedef int Clause;
     typedef int ConstDeclList;
     typedef int BinaryOperand;
     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 bool CreatesAST = false;
     static const bool NeedsFreeVariableInfo = false;
     static const bool CanUseFunctionCache = true;

-    static const unsigned DontBuildKeywords = Lexer::DontBuildKeywords;
-    static const unsigned DontBuildStrings = Lexer::DontBuildStrings;
+    static const unsigned DontBuildKeywords = LexexFlagsDontBuildKeywords;
+    static const unsigned DontBuildStrings = LexerFlagsDontBuildStrings;

 
 

-    int createSourceElements() { return 1; }
-    ExpressionType makeFunctionCallNode(int, int, int, int, int) { return CallExpr; }
+    int createSourceElements() { return SourceElementsResult; }
+    ExpressionType makeFunctionCallNode(const JSTokenLocation&, int, int, int, int, int) { return CallExpr; }

     void appendToComma(ExpressionType& base, ExpressionType right) { base = right; }
     void appendToComma(ExpressionType& base, ExpressionType right) { base = right; }

-    ExpressionType createCommaExpr(ExpressionType, ExpressionType right) { return right; }
-    ExpressionType makeAssignNode(ExpressionType, Operator, ExpressionType, bool, bool, int, int, int) { return AssignmentExpr; }
-    ExpressionType makePrefixNode(ExpressionType, Operator, int, int, int) { return PreExpr; }
-    ExpressionType makePostfixNode(ExpressionType, Operator, int, int, int) { return PostExpr; }
-    ExpressionType makeTypeOfNode(ExpressionType) { return TypeofExpr; }
-    ExpressionType makeDeleteNode(ExpressionType, int, int, int) { return DeleteExpr; }
-    ExpressionType makeNegateNode(ExpressionType) { return UnaryExpr; }
-    ExpressionType makeBitwiseNotNode(ExpressionType) { return UnaryExpr; }
-    ExpressionType createLogicalNot(ExpressionType) { return UnaryExpr; }
-    ExpressionType createUnaryPlus(ExpressionType) { return UnaryExpr; }
-    ExpressionType createVoid(ExpressionType) { return UnaryExpr; }
-    ExpressionType thisExpr() { return ThisExpr; }
-    ExpressionType createResolve(const Identifier*, int) { return ResolveExpr; }
-    ExpressionType createObjectLiteral() { return ObjectLiteralExpr; }
-    ExpressionType createObjectLiteral(int) { return ObjectLiteralExpr; }
-    ExpressionType createArray(int) { return ArrayLiteralExpr; }
-    ExpressionType createArray(int, int) { return ArrayLiteralExpr; }
-    ExpressionType createNumberExpr(double) { return NumberExpr; }
-    ExpressionType createString(const Identifier*) { return StringExpr; }
-    ExpressionType createBoolean(bool) { return BoolExpr; }
-    ExpressionType createNull() { return NullExpr; }
-    ExpressionType createBracketAccess(ExpressionType, ExpressionType, bool, int, int, int) { return BracketExpr; }
-    ExpressionType createDotAccess(ExpressionType, const Identifier*, int, int, int) { return DotExpr; }
-    ExpressionType createRegExp(const Identifier& pattern, const Identifier&, int) { return Yarr::checkSyntax(pattern.ustring()) ? 0 : RegExpExpr; }
-    ExpressionType createNewExpr(ExpressionType, int, int, int, int) { return NewExpr; }
-    ExpressionType createNewExpr(ExpressionType, int, int) { return NewExpr; }
-    ExpressionType createConditionalExpr(ExpressionType, ExpressionType, ExpressionType) { return ConditionalExpr; }
-    ExpressionType createAssignResolve(const Identifier&, ExpressionType, bool, int, int, int) { return AssignmentExpr; }
-    ExpressionType createFunctionExpr(const Identifier*, int, int, int, int, int, int) { return FunctionExpr; }
-    int createFunctionBody(bool) { return 1; }
-    int createArguments() { return 1; }
-    int createArguments(int) { return 1; }
-    int createArgumentsList(int) { return 1; }
-    int createArgumentsList(int, int) { return 1; }
-    template <bool complete> Property createProperty(const Identifier* name, int, PropertyNode::Type type)
+    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);
     }
     {
         if (!complete)
             return Property(type);
         ASSERT(name);
         return Property(name, type);
     }

-    template <bool complete> Property createProperty(JSGlobalData* globalData, double name, int, PropertyNode::Type type)
+    Property createProperty(VM* vm, double name, int, PropertyNode::Type type, bool complete)

     {
         if (!complete)
             return Property(type);
     {
         if (!complete)
             return Property(type);

-        return Property(&globalData->parser->arena().identifierArena().makeNumericIdentifier(globalData, name), type);
+        return Property(&vm->parserArena->identifierArena().makeNumericIdentifier(vm, name), type);
+    }
+    Property createProperty(VM*, ExpressionNode*, int, PropertyNode::Type type, bool)
+    {
+        return Property(type);

     }
     }

-    int createPropertyList(Property) { return 1; }
-    int createPropertyList(Property, int) { return 1; }
-    int createElementList(int, int) { return 1; }
-    int createElementList(int, int, int) { return 1; }
-    int createFormalParameterList(const Identifier&) { return 1; }
-    int createFormalParameterList(int, const Identifier&) { return 1; }
-    int createClause(int, int) { return 1; }
-    int createClauseList(int) { return 1; }
-    int createClauseList(int, int) { return 1; }
+    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) { }
     void setUsesArguments(int) { }

-    int createFuncDeclStatement(const Identifier*, int, int, int, int, int, int) { return 1; }
-    int createBlockStatement(int, int, int) { return 1; }
-    int createExprStatement(int, int, int) { return 1; }
-    int createIfStatement(int, int, int, int) { return 1; }
-    int createIfStatement(int, int, int, int, int) { return 1; }
-    int createForLoop(int, int, int, int, bool, int, int) { return 1; }
-    int createForInLoop(const Identifier*, int, int, int, int, int, int, int, int, int, int) { return 1; }
-    int createForInLoop(int, int, int, int, int, int, int, int) { return 1; }
-    int createEmptyStatement() { return 1; }
-    int createVarStatement(int, int, int) { return 1; }
-    int createReturnStatement(int, int, int, int, int) { return 1; }
-    int createBreakStatement(int, int, int, int) { return 1; }
-    int createBreakStatement(const Identifier*, int, int, int, int) { return 1; }
-    int createContinueStatement(int, int, int, int) { return 1; }
-    int createContinueStatement(const Identifier*, int, int, int, int) { return 1; }
-    int createTryStatement(int, const Identifier*, bool, int, int, int, int) { return 1; }
-    int createSwitchStatement(int, int, int, int, int, int) { return 1; }
-    int createWhileStatement(int, int, int, int) { return 1; }
-    int createWithStatement(int, int, int, int, int, int) { return 1; }
-    int createDoWhileStatement(int, int, int, int) { return 1; }
-    int createLabelStatement(const Identifier*, int, int, int) { return 1; }
-    int createThrowStatement(int, int, int, int, int) { return 1; }
-    int createDebugger(int, int) { return 1; }
-    int createConstStatement(int, int, int) { return 1; }
-    int appendConstDecl(int, const Identifier*, int) { return 1; }
-    template <bool strict> Property createGetterOrSetterProperty(PropertyNode::Type type, const Identifier* name, int, int, int, int, int, 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);
     }
     {
         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) { }
 
     void appendStatement(int, int) { }
     void addVar(const Identifier*, bool) { }

-    int combineCommaNodes(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)
     {
     int evalCount() const { return 0; }
     void appendBinaryExpressionInfo(int& operandStackDepth, int expr, int, int, int, bool)
     {


@@ -228,21 +250,52 @@ public:
     bool operatorStackHasHigherPrecedence(int&, int) { return true; }
     BinaryOperand getFromOperandStack(int) { return m_topBinaryExpr; }
     void shrinkOperandStackBy(int& operandStackDepth, int amount) { operandStackDepth -= amount; }
     bool operatorStackHasHigherPrecedence(int&, int) { return true; }
     BinaryOperand getFromOperandStack(int) { return m_topBinaryExpr; }
     void shrinkOperandStackBy(int& operandStackDepth, int amount) { operandStackDepth -= amount; }

-    void appendBinaryOperation(int& operandStackDepth, int&, BinaryOperand, BinaryOperand) { operandStackDepth++; }
+    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; }
     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; }

-    int unaryTokenStackLastStart(int&) { return 0; }
+    JSTextPosition unaryTokenStackLastStart(int&) { return JSTextPosition(0, 0, 0); }

     void unaryTokenStackRemoveLast(int& stackDepth) { stackDepth = 0; }
     
     void assignmentStackAppend(int, int, int, int, int, Operator) { }
     void unaryTokenStackRemoveLast(int& stackDepth) { stackDepth = 0; }
     
     void assignmentStackAppend(int, int, int, int, int, Operator) { }

-    int createAssignment(int, int, int, int, int) { 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 { 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; }
     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;
 private:
     int m_topBinaryExpr;
     int m_topUnaryToken;