Introduce extended mode.

src/compilation-cache.cc

 // 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 233 matching lines @@
 void CompilationCacheScript::Put(Handle<String> source,
                                  Handle<SharedFunctionInfo> function_info) {
   HandleScope scope(isolate());
   SetFirstTable(TablePut(source, function_info));
 }
 
 
 Handle<SharedFunctionInfo> CompilationCacheEval::Lookup(
     Handle<String> source,
     Handle<Context> context,
-    StrictModeFlag strict_mode,
+    LanguageMode language_mode,
     int scope_position) {
   // Make sure not to leak the table into the surrounding handle
   // scope. Otherwise, we risk keeping old tables around even after
   // having cleared the cache.
   Object* result = NULL;
   int generation;
   { HandleScope scope(isolate());
     for (generation = 0; generation < generations(); generation++) {
       Handle<CompilationCacheTable> table = GetTable(generation);
       result = table->LookupEval(
-          *source, *context, strict_mode, scope_position);
+          *source, *context, language_mode, scope_position);
       if (result->IsSharedFunctionInfo()) {
         break;
       }
     }
   }
   if (result->IsSharedFunctionInfo()) {
     Handle<SharedFunctionInfo>
         function_info(SharedFunctionInfo::cast(result), isolate());
     if (generation != 0) {
       Put(source, context, function_info, scope_position);
@@ skipping 113 matching lines @@
   }
 
   return script_.Lookup(source, name, line_offset, column_offset);
 }
 
 
 Handle<SharedFunctionInfo> CompilationCache::LookupEval(
     Handle<String> source,
     Handle<Context> context,
     bool is_global,
-    StrictModeFlag strict_mode,
+    LanguageMode language_mode,
     int scope_position) {
   if (!IsEnabled()) {
     return Handle<SharedFunctionInfo>::null();
   }
 
   Handle<SharedFunctionInfo> result;
   if (is_global) {
-    result = eval_global_.Lookup(source, context, strict_mode, scope_position);
+    result = eval_global_.Lookup(
+        source, context, language_mode, scope_position);
   } else {
     ASSERT(scope_position != RelocInfo::kNoPosition);
     result = eval_contextual_.Lookup(
-        source, context, strict_mode, scope_position);
+        source, context, language_mode, scope_position);
   }
   return result;
 }
 
 
 Handle<FixedArray> CompilationCache::LookupRegExp(Handle<String> source,
                                                   JSRegExp::Flags flags) {
   if (!IsEnabled()) {
     return Handle<FixedArray>::null();
   }
@@ skipping 76 matching lines @@
 }
 
 
 void CompilationCache::Disable() {
   enabled_ = false;
   Clear();
 }
 
 
 } }  // namespace v8::internal