Pipe a script's CORS status through V8 during compilation.

src/api.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 1900 matching lines @@
   i::Isolate* isolate = i::Isolate::Current();
   ON_BAILOUT(isolate, "v8::Script::New()", return Local<Script>());
   LOG_API(isolate, "Script::New");
   ENTER_V8(isolate);
   i::SharedFunctionInfo* raw_result = NULL;
   { i::HandleScope scope(isolate);
     i::Handle<i::String> str = Utils::OpenHandle(*source);
     i::Handle<i::Object> name_obj;
     int line_offset = 0;
     int column_offset = 0;
+    bool is_shared_cross_origin = false;
     if (origin != NULL) {
       if (!origin->ResourceName().IsEmpty()) {
         name_obj = Utils::OpenHandle(*origin->ResourceName());
       }
       if (!origin->ResourceLineOffset().IsEmpty()) {
         line_offset = static_cast<int>(origin->ResourceLineOffset()->Value());
       }
       if (!origin->ResourceColumnOffset().IsEmpty()) {
         column_offset =
             static_cast<int>(origin->ResourceColumnOffset()->Value());
       }
+      if (!origin->ResourceIsSharedCrossOrigin().IsEmpty()) {
+        is_shared_cross_origin =
+            origin->ResourceIsSharedCrossOrigin() == v8::True();
+      }
     }
     EXCEPTION_PREAMBLE(isolate);
     i::ScriptDataImpl* pre_data_impl =
         static_cast<i::ScriptDataImpl*>(pre_data);
     // We assert that the pre-data is sane, even though we can actually
     // handle it if it turns out not to be in release mode.
     ASSERT(pre_data_impl == NULL || pre_data_impl->SanityCheck());
     // If the pre-data isn't sane we simply ignore it
     if (pre_data_impl != NULL && !pre_data_impl->SanityCheck()) {
       pre_data_impl = NULL;
     }
     i::Handle<i::SharedFunctionInfo> result =
       i::Compiler::Compile(str,
                            name_obj,
                            line_offset,
                            column_offset,
+                           is_shared_cross_origin,
                            isolate->global_context(),
                            NULL,
                            pre_data_impl,
                            Utils::OpenHandle(*script_data, true),
                            i::NOT_NATIVES_CODE);
     has_pending_exception = result.is_null();
     EXCEPTION_BAILOUT_CHECK(isolate, Local<Script>());
     raw_result = *result;
   }
   i::Handle<i::SharedFunctionInfo> result(raw_result, isolate);
@@ skipping 447 matching lines @@
       &has_pending_exception);
   EXCEPTION_BAILOUT_CHECK(isolate, 0);
   i::Handle<i::JSMessageObject> message =
       i::Handle<i::JSMessageObject>::cast(data_obj);
   int start = message->start_position();
   int end = message->end_position();
   return static_cast<int>(start_col_obj->Number()) + (end - start);
 }
 
 
+bool Message::IsSharedCrossOrigin() const {
+  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
+  if (IsDeadCheck(isolate, "v8::Message::IsSharedCrossOrigin()")) return 0;
+  ENTER_V8(isolate);
+  i::HandleScope scope(isolate);
+  i::Handle<i::JSMessageObject> message =
+      i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
+  i::Handle<i::JSValue> script =
+      i::Handle<i::JSValue>::cast(i::Handle<i::Object>(message->script(),
+                                                       isolate));
+  return i::Script::cast(script->value())->is_shared_cross_origin();
+}
+
+
 Local<String> Message::GetSourceLine() const {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Message::GetSourceLine()", return Local<String>());
   ENTER_V8(isolate);
   HandleScope scope(reinterpret_cast<Isolate*>(isolate));
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> result = CallV8HeapFunction("GetSourceLine",
                                                    Utils::OpenHandle(this),
                                                    &has_pending_exception);
   EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::String>());
@@ skipping 5673 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   return callback(info);
 }
 
 
 } }  // namespace v8::internal