DevTools: Support asynchronous call stacks on backend.

Source/bindings/v8/ScriptDebugServer.h

 /*
  * 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ScriptDebugServer_h
 #define ScriptDebugServer_h
 
-
 #include "InspectorBackendDispatcher.h"
 #include "bindings/v8/ScopedPersistent.h"
 #include "core/inspector/ScriptBreakpoint.h"
 #include "core/inspector/ScriptDebugListener.h"
 #include <v8-debug.h>
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/text/StringHash.h"
@@ skipping 27 matching lines @@
 
     void setPauseOnNextStatement(bool pause);
     bool canBreakProgram();
     void breakProgram();
     void continueProgram();
     void stepIntoStatement();
     void stepOverStatement(const ScriptValue& frame);
     void stepOutOfFunction(const ScriptValue& frame);
 
     bool setScriptSource(const String& sourceID, const String& newContent, bool preview, String* error, RefPtr<TypeBuilder::Debugger::SetScriptSourceError>&, ScriptValue* newCallFrames, ScriptObject* result);
-    void updateCallStack(ScriptValue* callFrame);
+    ScriptValue currentCallFrames();
 
     class Task {
     public:
         virtual ~Task() { }
         virtual void run() = 0;
     };
     static void interruptAndRun(PassOwnPtr<Task>, v8::Isolate*);
     void runPendingTasks();
 
     bool isPaused();
     bool runningNestedMessageLoop() { return m_runningNestedMessageLoop; }
 
     v8::Local<v8::Value> functionScopes(v8::Handle<v8::Function>);
     v8::Local<v8::Value> getInternalProperties(v8::Handle<v8::Object>&);
     v8::Handle<v8::Value> setFunctionVariableValue(v8::Handle<v8::Value> functionValue, int scopeNumber, const String& variableName, v8::Handle<v8::Value> newValue);
     v8::Local<v8::Value> callDebuggerMethod(const char* functionName, int argc, v8::Handle<v8::Value> argv[]);
 
     virtual void compileScript(ScriptState*, const String& expression, const String& sourceURL, String* scriptId, String* exceptionMessage);
     virtual void clearCompiledScripts();
     virtual void runScript(ScriptState*, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionMessage);
     virtual void setPreprocessorSource(const String&) { }
     virtual void preprocessBeforeCompile(const v8::Debug::EventDetails&) { }
     virtual PassOwnPtr<ScriptSourceCode> preprocess(Frame*, const ScriptSourceCode&);
     virtual String preprocessEventListener(Frame*, const String& source, const String& url, const String& functionName);
 
 protected:
     explicit ScriptDebugServer(v8::Isolate*);
     virtual ~ScriptDebugServer();
 
-    ScriptValue currentCallFrame();
-
     virtual ScriptDebugListener* getDebugListenerForContext(v8::Handle<v8::Context>) = 0;
     virtual void runMessageLoopOnPause(v8::Handle<v8::Context>) = 0;
     virtual void quitMessageLoopOnPause() = 0;
 
     static void breakProgramCallback(const v8::FunctionCallbackInfo<v8::Value>&);
     void handleProgramBreak(v8::Handle<v8::Object> executionState, v8::Handle<v8::Value> exception, v8::Handle<v8::Array> hitBreakpoints);
     void handleProgramBreak(const v8::Debug::EventDetails&, v8::Handle<v8::Value> exception, v8::Handle<v8::Array> hitBreakpointNumbers);
 
     static void v8DebugEventCallback(const v8::Debug::EventDetails& eventDetails);
     void handleV8DebugEvent(const v8::Debug::EventDetails& eventDetails);
@@ skipping 16 matching lines @@
     PassRefPtr<JavaScriptCallFrame> wrapCallFrames(v8::Handle<v8::Object> executionState, int maximumLimit);
     bool executeSkipPauseRequest(ScriptDebugListener::SkipPauseRequest, v8::Handle<v8::Object> executionState);
 
     bool m_runningNestedMessageLoop;
 };
 
 } // namespace WebCore
 
 
 #endif // ScriptDebugServer_h