Devtools: parse variables scopes and sourcemap them

third_party/WebKit/Source/platform/v8_inspector/JavaScriptCallFrame.cpp

 /*
  * Copyright (c) 2010, Google Inc. 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
@@ skipping 131 matching lines @@
 }
 
 v8::Local<v8::String> JavaScriptCallFrame::scopeName(int scopeIndex) const
 {
     v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_callFrame);
     v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(callFrame->Get(toV8StringInternalized(m_isolate, "scopeName")));
     v8::Local<v8::Array> scopeType = v8::Local<v8::Array>::Cast(m_client->callInternalFunction(func, callFrame, 0, nullptr).ToLocalChecked());
     return scopeType->Get(scopeIndex)->ToString();
 }
 
+v8::Local<v8::Value> JavaScriptCallFrame::scopeStartLocation(int scopeIndex) const
+{
+    return callScopeLocationFunction("scopeStartLocation", scopeIndex);
+}
+
+v8::Local<v8::Value> JavaScriptCallFrame::scopeEndLocation(int scopeIndex) const
+{
+    return callScopeLocationFunction("scopeEndLocation", scopeIndex);
+}
+
+v8::Local<v8::Value> JavaScriptCallFrame::callScopeLocationFunction(const char* name, int scopeIndex) const
+{
+    v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_callFrame);
+    v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(callFrame->Get(toV8StringInternalized(m_isolate, name)));
+    v8::Local<v8::Array> locations = v8::Local<v8::Array>::Cast(m_client->callInternalFunction(func, callFrame, 0, 0).ToLocalChecked());

[dgozman, 2016/02/22 17:24:57]

0, nullptr

[sergeyv, 2016/02/22 21:42:54]

Done.

+    return locations->Get(scopeIndex);
+}
+
 v8::Local<v8::Value> JavaScriptCallFrame::thisObject() const
 {
     return v8::Local<v8::Object>::New(m_isolate, m_callFrame)->Get(toV8StringInternalized(m_isolate, "thisObject"));
 }
 
 String JavaScriptCallFrame::stepInPositions() const
 {
     return callV8FunctionReturnString("stepInPositions");
 }
 
@@ skipping 64 matching lines @@
     exceptionDetails->Set(v8::String::NewFromUtf8(isolate, "line"), v8::Integer::New(isolate, message->GetLineNumber()));
     exceptionDetails->Set(v8::String::NewFromUtf8(isolate, "column"), v8::Integer::New(isolate, message->GetStartColumn()));
     if (!message->GetStackTrace().IsEmpty())
         exceptionDetails->Set(v8::String::NewFromUtf8(isolate, "stackTrace"), message->GetStackTrace()->AsArray());
     else
         exceptionDetails->Set(v8::String::NewFromUtf8(isolate, "stackTrace"), v8::Undefined(isolate));
     return exceptionDetails;
 }
 
 } // namespace blink