[es6] Parameter scopes for sloppy eval

src/runtime/runtime-object.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/messages.h"
@@ skipping 405 matching lines @@
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_SMI_ARG_CHECKED(slot, 0);
 
   // Go up context chain to the script context.
   Handle<Context> script_context(isolate->context()->script_context(), isolate);
   DCHECK(script_context->IsScriptContext());
   DCHECK(script_context->get(slot)->IsPropertyCell());
 
   // Lookup the named property on the global object.
-  Handle<ScopeInfo> scope_info(ScopeInfo::cast(script_context->extension()),
-                               isolate);
+  Handle<ScopeInfo> scope_info(script_context->scope_info(), isolate);
   Handle<Name> name(scope_info->ContextSlotName(slot), isolate);
   Handle<GlobalObject> global_object(script_context->global_object(), isolate);
   LookupIterator it(global_object, name, LookupIterator::HIDDEN);
 
   // Switch to fast mode only if there is a data property and it's not on
   // a hidden prototype.
   if (it.state() == LookupIterator::DATA &&
       it.GetHolder<Object>().is_identical_to(global_object)) {
     // Now update the cell in the script context.
     Handle<PropertyCell> cell = it.GetPropertyCell();
@@ skipping 13 matching lines @@
 namespace {
 
 Object* StoreGlobalViaContext(Isolate* isolate, int slot, Handle<Object> value,
                               LanguageMode language_mode) {
   // Go up context chain to the script context.
   Handle<Context> script_context(isolate->context()->script_context(), isolate);
   DCHECK(script_context->IsScriptContext());
   DCHECK(script_context->get(slot)->IsPropertyCell());
 
   // Lookup the named property on the global object.
-  Handle<ScopeInfo> scope_info(ScopeInfo::cast(script_context->extension()),
-                               isolate);
+  Handle<ScopeInfo> scope_info(script_context->scope_info(), isolate);
   Handle<Name> name(scope_info->ContextSlotName(slot), isolate);
   Handle<GlobalObject> global_object(script_context->global_object(), isolate);
   LookupIterator it(global_object, name, LookupIterator::HIDDEN);
 
   // Switch to fast mode only if there is a data property and it's not on
   // a hidden prototype.
   if (it.state() == LookupIterator::DATA &&
       it.GetHolder<Object>().is_identical_to(global_object)) {
     // Now update cell in the script context.
     Handle<PropertyCell> cell = it.GetPropertyCell();
@@ skipping 992 matching lines @@
   SealHandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_CHECKED(Object, x, 0);
   CONVERT_ARG_CHECKED(Object, y, 1);
   // TODO(bmeurer): Change this at some point to return true/false instead.
   return Smi::FromInt(x->StrictEquals(y) ? EQUAL : NOT_EQUAL);
 }
 
 }  // namespace internal
 }  // namespace v8