Add initial parser support for harmony iteration

test/cctest/test-parsing.cc

 // 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 1054 matching lines @@
   return i::Handle<i::String>::cast(result);
 }
 
 
 enum ParserFlag {
   kAllowLazy,
   kAllowNativesSyntax,
   kAllowHarmonyScoping,
   kAllowModules,
   kAllowGenerators,
+  kAllowForOf,
   kParserFlagCount
 };
 
 
 static bool checkParserFlag(unsigned flags, ParserFlag flag) {
   return flags & (1 << flag);
 }
 
 
 #define SET_PARSER_FLAGS(parser, flags) \
   parser.set_allow_lazy(checkParserFlag(flags, kAllowLazy)); \
   parser.set_allow_natives_syntax(checkParserFlag(flags, \
                                                   kAllowNativesSyntax)); \
   parser.set_allow_harmony_scoping(checkParserFlag(flags, \
                                                    kAllowHarmonyScoping)); \
   parser.set_allow_modules(checkParserFlag(flags, kAllowModules)); \
-  parser.set_allow_generators(checkParserFlag(flags, kAllowGenerators));
+  parser.set_allow_generators(checkParserFlag(flags, kAllowGenerators)); \
+  parser.set_allow_for_of(checkParserFlag(flags, kAllowForOf));
 
 void TestParserSyncWithFlags(i::Handle<i::String> source, unsigned flags) {
   uintptr_t stack_limit = i::Isolate::Current()->stack_guard()->real_climit();
 
   // Preparse the data.
   i::CompleteParserRecorder log;
   {
     i::Scanner scanner(i::Isolate::Current()->unicode_cache());
     i::GenericStringUtf16CharacterStream stream(source, 0, source->length());
     v8::preparser::PreParser preparser(&scanner, &log, stack_limit);
@@ skipping 195 matching lines @@
       "  b = function() {    \n"
       "    01;               \n"
       "  };                  \n"
       "};                    \n";
   v8::Script::Compile(v8::String::New(script));
   CHECK(try_catch.HasCaught());
   v8::String::Utf8Value exception(try_catch.Exception());
   CHECK_EQ("SyntaxError: Octal literals are not allowed in strict mode.",
            *exception);
 }