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-rw-r--r--Source/JavaScriptCore/parser/SyntaxChecker.h279
1 files changed, 210 insertions, 69 deletions
diff --git a/Source/JavaScriptCore/parser/SyntaxChecker.h b/Source/JavaScriptCore/parser/SyntaxChecker.h
index 6e600ebbb..eed7b8ce3 100644
--- a/Source/JavaScriptCore/parser/SyntaxChecker.h
+++ b/Source/JavaScriptCore/parser/SyntaxChecker.h
@@ -27,7 +27,8 @@
#define SyntaxChecker_h
#include "Lexer.h"
-#include <yarr/YarrSyntaxChecker.h>
+#include "ParserFunctionInfo.h"
+#include "YarrSyntaxChecker.h"
namespace JSC {
@@ -68,14 +69,25 @@ 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, 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,
+ ModuleNameResult,
+ ImportSpecifierResult, ImportSpecifierListResult,
+ ExportSpecifierResult, ExportSpecifierListResult
+ };
typedef int ExpressionType;
typedef ExpressionType Expression;
@@ -88,8 +100,8 @@ public:
{
}
ALWAYS_INLINE Property(const Identifier* ident, PropertyNode::Type ty)
- : name(ident)
- , type(ty)
+ : name(ident)
+ , type(ty)
{
}
ALWAYS_INLINE Property(PropertyNode::Type ty)
@@ -104,24 +116,37 @@ 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 DestructuringPattern;
+ typedef DestructuringPattern ArrayPattern;
+ typedef DestructuringPattern ObjectPattern;
+ typedef DestructuringPattern RestPattern;
+
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 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; }
@@ -132,13 +157,16 @@ 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 createThisExpr(const JSTokenLocation&, ThisTDZMode) { return ThisExpr; }
+ ExpressionType createSuperExpr(const JSTokenLocation&) { return SuperExpr; }
+ ExpressionType createNewTargetExpr(const JSTokenLocation&) { return 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; }
@@ -148,79 +176,117 @@ public:
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, bool) { return 1; }
- void setFunctionStart(int, int) { }
- int createArguments() { return 1; }
- int createArguments(int) { return 1; }
- int createArgumentsList(const JSTokenLocation&, int) { return 1; }
- int createArgumentsList(const JSTokenLocation&, int, int) { return 1; }
- template <bool complete> Property createProperty(const Identifier* name, int, PropertyNode::Type type)
+ 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; }
+ ClassExpression createClassExpr(const JSTokenLocation&, const Identifier&, VariableEnvironment&, ExpressionType, ExpressionType, PropertyList, PropertyList) { return ClassExpr; }
+ ExpressionType createFunctionExpr(const JSTokenLocation&, const ParserFunctionInfo<SyntaxChecker>&) { return FunctionExpr; }
+ int createFunctionMetadata(const JSTokenLocation&, const JSTokenLocation&, int, int, bool, int, int, int, ConstructorKind, SuperBinding, unsigned, SourceParseMode, bool) { return FunctionBodyResult; }
+ ExpressionType createArrowFunctionExpr(const JSTokenLocation&, const ParserFunctionInfo<SyntaxChecker>&) { return FunctionExpr; }
+ void setFunctionNameStart(int, int) { }
+ 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 = SuperBinding::NotNeeded)
{
if (!complete)
return Property(type);
ASSERT(name);
return Property(name, type);
}
- template <bool complete> Property createProperty(VM* vm, double name, int, PropertyNode::Type type)
+ Property createProperty(VM* vm, ParserArena& parserArena, double name, int, PropertyNode::Type type, PropertyNode::PutType, bool complete)
{
if (!complete)
return Property(type);
- return Property(&vm->parserArena->identifierArena().makeNumericIdentifier(vm, name), type);
+ return Property(&parserArena.identifierArena().makeNumericIdentifier(vm, name), 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(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; }
- 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&, const Identifier*, int, int, int, int, int, int, int, int, int, int) { return 1; }
- int createForInLoop(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; }
- template <bool strict> Property createGetterOrSetterProperty(const JSTokenLocation&, PropertyNode::Type type, const Identifier* name, int, int, int, int, int, int, int)
+ Property createProperty(int, int, PropertyNode::Type type, PropertyNode::PutType, bool, SuperBinding = SuperBinding::NotNeeded)
+ {
+ 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 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&) { 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, int, int, int, int, int, VariableEnvironment&) { return StatementResult; }
+ int createForOfLoop(const JSTokenLocation&, int, int, int, 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&) { 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>&, SuperBinding)
{
ASSERT(name);
if (!strict)
return Property(type);
return Property(name, type);
}
- template <bool strict> Property createGetterOrSetterProperty(VM* vm, const JSTokenLocation&, PropertyNode::Type type, double name, int, int, int, int, int, int, int)
+ Property createGetterOrSetterProperty(const JSTokenLocation&, PropertyNode::Type type, bool, int, const ParserFunctionInfo<SyntaxChecker>&, SuperBinding)
+ {
+ return Property(type);
+ }
+ Property createGetterOrSetterProperty(VM* vm, ParserArena& parserArena, const JSTokenLocation&, PropertyNode::Type type, bool strict, double name, const ParserFunctionInfo<SyntaxChecker>&, SuperBinding)
{
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)
{
@@ -246,11 +312,86 @@ 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 createDestructuringAssignment(const JSTokenLocation&, int, ExpressionType)
+ {
+ return DestructuringAssignment;
+ }
+ ArrayPattern createArrayPattern(const JSTokenLocation&)
+ {
+ return ArrayDestructuring;
+ }
+ void appendArrayPatternSkipEntry(ArrayPattern, const JSTokenLocation&)
+ {
+ }
+ 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 ObjectDestructuring;
+ }
+ void appendObjectPatternEntry(ArrayPattern, const JSTokenLocation&, bool, const Identifier&, DestructuringPattern, int)
+ {
+ }
+ void appendObjectPatternEntry(ArrayPattern, const JSTokenLocation&, Expression, DestructuringPattern, Expression)
+ {
+ }
+
+ DestructuringPattern createBindingLocation(const JSTokenLocation&, const Identifier&, const JSTextPosition&, const JSTextPosition&, AssignmentContext)
+ {
+ return BindingDestructuring;
+ }
+ RestPattern createRestParameter(const Identifier&, size_t, const JSTextPosition&, const JSTextPosition&)
+ {
+ return RestParameter;
+ }
+ DestructuringPattern createAssignmentElement(const Expression&, const JSTextPosition&, const JSTextPosition&)
+ {
+ 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);
+ }
+
+ void setEndOffset(int, int) { }
+ int endOffset(int) { return 0; }
+ void setStartOffset(int, int) { }
+
+ void propagateArgumentsUse() { }
+
private:
int m_topBinaryExpr;
int m_topUnaryToken;