Handle "//# sourceURL" comments in the Parser instead of the JS.

src/api.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/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 1597 matching lines @@
   LOG_API(isolate, "UnboundScript::GetName");
   if (obj->script()->IsScript()) {
     i::Object* name = i::Script::cast(obj->script())->name();
     return Utils::ToLocal(i::Handle<i::Object>(name, isolate));
   } else {
     return Handle<String>();
   }
 }
 
 
+Handle<Value> UnboundScript::GetSourceURL() {
+  i::Handle<i::SharedFunctionInfo> obj =
+      i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this));
+  i::Isolate* isolate = obj->GetIsolate();
+  ON_BAILOUT(isolate, "v8::UnboundScript::GetSourceURL()",
+             return Handle<String>());
+  LOG_API(isolate, "UnboundScript::GetSourceURL");
+  if (obj->script()->IsScript()) {
+    i::Object* url = i::Script::cast(obj->script())->source_url();
+    return Utils::ToLocal(i::Handle<i::Object>(url, isolate));
+  } else {
+    return Handle<String>();
+  }
+}
+
+
+Handle<Value> UnboundScript::GetSourceMappingURL() {
+  i::Handle<i::SharedFunctionInfo> obj =
+      i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this));
+  i::Isolate* isolate = obj->GetIsolate();
+  ON_BAILOUT(isolate, "v8::UnboundScript::GetSourceMappingURL()",
+             return Handle<String>());
+  LOG_API(isolate, "UnboundScript::GetSourceMappingURL");
+  if (obj->script()->IsScript()) {
+    i::Object* url = i::Script::cast(obj->script())->source_mapping_url();
+    return Utils::ToLocal(i::Handle<i::Object>(url, isolate));
+  } else {
+    return Handle<String>();
+  }
+}
+
+
 Local<Value> Script::Run() {
   i::Handle<i::Object> obj = Utils::OpenHandle(this, true);
   // If execution is terminating, Compile(..)->Run() requires this
   // check.
   if (obj.is_null()) return Local<Value>();
   i::Isolate* isolate = i::Handle<i::HeapObject>::cast(obj)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Script::Run()", return Local<Value>());
   LOG_API(isolate, "Script::Run");
   ENTER_V8(isolate);
   i::Logger::TimerEventScope timer_scope(
@@ skipping 5970 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);
   callback(info);
 }
 
 
 } }  // namespace v8::internal