Proper handling of future reserved words in strict and normal mode.

src/preparser.h

 // Copyright 2011 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 75 matching lines @@
     }
     static Identifier Eval()  {
       return Identifier(kEvalIdentifier);
     }
     static Identifier Arguments()  {
       return Identifier(kArgumentsIdentifier);
     }
     static Identifier FutureReserved()  {
       return Identifier(kFutureReservedIdentifier);
     }
+    static Identifier FutureStrictReserved()  {
+      return Identifier(kFutureStrictReservedIdentifier);
+    }
     bool IsEval() { return type_ == kEvalIdentifier; }
     bool IsArguments() { return type_ == kArgumentsIdentifier; }
     bool IsEvalOrArguments() { return type_ >= kEvalIdentifier; }
     bool IsFutureReserved() { return type_ == kFutureReservedIdentifier; }
+    bool IsFutureStrictReserved() {
+      return type_ == kFutureStrictReservedIdentifier;
+    }
     bool IsValidStrictVariable() { return type_ == kUnknownIdentifier; }
 
    private:
     enum Type {
       kUnknownIdentifier,
       kFutureReservedIdentifier,
+      kFutureStrictReservedIdentifier,
       kEvalIdentifier,
       kArgumentsIdentifier
     };
     explicit Identifier(Type type) : type_(type) { }
     Type type_;
 
     friend class Expression;
   };
 
   // Bits 0 and 1 are used to identify the type of expression:
@@ skipping 288 matching lines @@
   Expression ParseArrayLiteral(bool* ok);
   Expression ParseObjectLiteral(bool* ok);
   Expression ParseRegExpLiteral(bool seen_equal, bool* ok);
   Expression ParseV8Intrinsic(bool* ok);
 
   Arguments ParseArguments(bool* ok);
   Expression ParseFunctionLiteral(bool* ok);
 
   Identifier ParseIdentifier(bool* ok);
   Identifier ParseIdentifierName(bool* ok);
-  Identifier ParseIdentifierOrGetOrSet(bool* is_get, bool* is_set, bool* ok);
+  Identifier ParseIdentifierNameOrGetOrSet(bool* is_get, bool* is_set, bool* ok);
 
   // Logs the currently parsed literal as a symbol in the preparser data.
   void LogSymbol();
   // Log the currently parsed identifier.
   Identifier GetIdentifierSymbol();
   // Log the currently parsed string literal.
   Expression GetStringSymbol();
 
   i::Token::Value peek() {
     if (stack_overflow_) return i::Token::ILLEGAL;
@@ skipping 59 matching lines @@
   uintptr_t stack_limit_;
   i::Scanner::Location strict_mode_violation_location_;
   const char* strict_mode_violation_type_;
   bool stack_overflow_;
   bool allow_lazy_;
   bool parenthesized_function_;
 };
 } }  // v8::preparser
 
 #endif  // V8_PREPARSER_H