Parser / Scanner: Minor refactorings to make streaming scripts work easier.

src/parser.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/api.h"
 #include "src/ast.h"
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
@@ skipping 841 matching lines @@
 
 
 FunctionLiteral* Parser::DoParseProgram(CompilationInfo* info,
                                         Handle<String> source) {
   ASSERT(scope_ == NULL);
   ASSERT(target_stack_ == NULL);
 
   FunctionLiteral* result = NULL;
   { Scope* scope = NewScope(scope_, GLOBAL_SCOPE);
     info->SetGlobalScope(scope);
-    if (!info->context().is_null()) {
+    if (!info->context().is_null() && !info->context()->IsNativeContext()) {
       scope = Scope::DeserializeScopeChain(*info->context(), scope, zone());
       // The Scope is backed up by ScopeInfo (which is in the V8 heap); this
       // means the Parser cannot operate independent of the V8 heap. Tell the
       // string table to internalize strings and values right after they're
       // created.
       ast_value_factory_->Internalize(isolate());
     }
     original_scope_ = scope;
     if (info->is_eval()) {
       if (!scope->is_global_scope() || info->strict_mode() == STRICT) {
@@ skipping 4013 matching lines @@
     info()->SetAstValueFactory(ast_value_factory_);
   }
   ast_value_factory_ = NULL;
 
   InternalizeUseCounts();
 
   return (result != NULL);
 }
 
 } }  // namespace v8::internal