Version 3.25.28.6 (merged r20316, r20366, r20428, r20451)

src/parser.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 444 matching lines @@
   }
 
   // Helper functions for recursive descent.
   bool IsEvalOrArguments(Handle<String> identifier) const;
 
   // Returns true if the expression is of type "this.foo".
   static bool IsThisProperty(Expression* expression);
 
   static bool IsIdentifier(Expression* expression);
 
+  static Handle<String> AsIdentifier(Expression* expression) {
+    ASSERT(IsIdentifier(expression));
+    return expression->AsVariableProxy()->name();
+  }
+
   static bool IsBoilerplateProperty(ObjectLiteral::Property* property) {
     return ObjectLiteral::IsBoilerplateProperty(property);
   }
 
   static bool IsArrayIndex(Handle<String> string, uint32_t* index) {
     return !string.is_null() && string->AsArrayIndex(index);
   }
 
   // Functions for encapsulating the differences between parsing and preparsing;
   // operations interleaved with the recursive descent.
@@ skipping 19 matching lines @@
   // Keep track of eval() calls since they disable all local variable
   // optimizations. This checks if expression is an eval call, and if yes,
   // forwards the information to scope.
   void CheckPossibleEvalCall(Expression* expression, Scope* scope);
 
   // Determine if the expression is a variable proxy and mark it as being used
   // in an assignment or with a increment/decrement operator. This is currently
   // used on for the statically checking assignments to harmony const bindings.
   static Expression* MarkExpressionAsLValue(Expression* expression);
 
-  // Checks LHS expression for assignment and prefix/postfix increment/decrement
-  // in strict mode.
-  void CheckStrictModeLValue(Expression* expression, bool* ok);
-
   // Returns true if we have a binary expression between two numeric
   // literals. In that case, *x will be changed to an expression which is the
   // computed value.
   bool ShortcutNumericLiteralBinaryExpression(
       Expression** x, Expression* y, Token::Value op, int pos,
       AstNodeFactory<AstConstructionVisitor>* factory);
 
   // Rewrites the following types of unary expressions:
   // not <literal> -> true / false
   // + <numeric literal> -> <numeric literal>
   // - <numeric literal> -> <numeric literal with value negated>
   // ! <literal> -> true / false
   // The following rewriting rules enable the collection of type feedback
   // without any special stub and the multiplication is removed later in
   // Crankshaft's canonicalization pass.
   // + foo -> foo * 1
   // - foo -> foo * (-1)
   // ~ foo -> foo ^(~0)
   Expression* BuildUnaryExpression(
       Expression* expression, Token::Value op, int pos,
       AstNodeFactory<AstConstructionVisitor>* factory);
 
+  // Generate AST node that throws a ReferenceError with the given type.
+  Expression* NewThrowReferenceError(const char* type, int pos);
+
+  // Generate AST node that throws a SyntaxError with the given
+  // type. The first argument may be null (in the handle sense) in
+  // which case no arguments are passed to the constructor.
+  Expression* NewThrowSyntaxError(
+      const char* type, Handle<Object> arg, int pos);
+
+  // Generate AST node that throws a TypeError with the given
+  // type. Both arguments must be non-null (in the handle sense).
+  Expression* NewThrowTypeError(
+      const char* type, Handle<Object> arg1, Handle<Object> arg2, int pos);
+
+  // Generic AST generator for throwing errors from compiled code.
+  Expression* NewThrowError(
+      Handle<String> constructor, const char* type,
+      Vector<Handle<Object> > arguments, int pos);
+
   // Reporting errors.
   void ReportMessageAt(Scanner::Location source_location,
                        const char* message,
                        Vector<const char*> args,
                        bool is_reference_error = false);
   void ReportMessage(const char* message,
                      Vector<Handle<String> > args,
                      bool is_reference_error = false);
   void ReportMessageAt(Scanner::Location source_location,
                        const char* message,
@@ skipping 231 matching lines @@
   IterationStatement* LookupContinueTarget(Handle<String> label, bool* ok);
 
   void RegisterTargetUse(Label* target, Target* stop);
 
   // Factory methods.
 
   Scope* NewScope(Scope* parent, ScopeType type);
 
   Handle<String> LookupCachedSymbol(int symbol_id);
 
-  // Generate AST node that throw a ReferenceError with the given type.
-  Expression* NewThrowReferenceError(Handle<String> type);
-
-  // Generate AST node that throw a SyntaxError with the given
-  // type. The first argument may be null (in the handle sense) in
-  // which case no arguments are passed to the constructor.
-  Expression* NewThrowSyntaxError(Handle<String> type, Handle<Object> first);
-
-  // Generate AST node that throw a TypeError with the given
-  // type. Both arguments must be non-null (in the handle sense).
-  Expression* NewThrowTypeError(Handle<String> type,
-                                Handle<Object> first,
-                                Handle<Object> second);
-
-  // Generic AST generator for throwing errors from compiled code.
-  Expression* NewThrowError(Handle<String> constructor,
-                            Handle<String> type,
-                            Vector< Handle<Object> > arguments);
-
   PreParser::PreParseResult LazyParseFunctionLiteral(
        SingletonLogger* logger);
 
   Isolate* isolate_;
   ZoneList<Handle<String> > symbol_cache_;
 
   Handle<Script> script_;
   Scanner scanner_;
   PreParser* reusable_preparser_;
   Scope* original_scope_;  // for ES5 function declarations in sloppy eval
@@ skipping 29 matching lines @@
  private:
   static const int kLiteralTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_