DevTools: Added error message when the command is invoked from the console with exception

Source/core/inspector/InspectorDebuggerAgent.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 910 matching lines @@
 
 void InspectorDebuggerAgent::setPauseOnExceptionsImpl(ErrorString* errorString, int pauseState)
 {
     scriptDebugServer().setPauseOnExceptionsState(static_cast<ScriptDebugServer::PauseOnExceptionsState>(pauseState));
     if (scriptDebugServer().pauseOnExceptionsState() != pauseState)
         *errorString = "Internal error. Could not change pause on exceptions state";
     else
         m_state->setLong(DebuggerAgentState::pauseOnExceptionsState, pauseState);
 }
 
-void InspectorDebuggerAgent::evaluateOnCallFrame(ErrorString* errorString, const String& callFrameId, const String& expression, const String* const objectGroup, const bool* const includeCommandLineAPI, const bool* const doNotPauseOnExceptionsAndMuteConsole, const bool* const returnByValue, const bool* generatePreview, RefPtr<RemoteObject>& result, TypeBuilder::OptOutput<bool>* wasThrown)
+void InspectorDebuggerAgent::evaluateOnCallFrame(ErrorString* errorString, const String& callFrameId, const String& expression, const String* const objectGroup, const bool* const includeCommandLineAPI, const bool* const doNotPauseOnExceptionsAndMuteConsole, const bool* const returnByValue, const bool* generatePreview, RefPtr<RemoteObject>& result, TypeBuilder::OptOutput<bool>* wasThrown, RefPtr<TypeBuilder::Debugger::ExceptionDetails>& exceptionDetails)
 {
     if (!isPaused() || m_currentCallStack.isEmpty()) {
         *errorString = "Attempt to access callframe when debugger is not on pause";
         return;
     }
     InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(callFrameId);
     if (injectedScript.isEmpty()) {
         *errorString = "Inspected frame has gone";
         return;
     }
 
     ScriptDebugServer::PauseOnExceptionsState previousPauseOnExceptionsState = scriptDebugServer().pauseOnExceptionsState();
     if (doNotPauseOnExceptionsAndMuteConsole ? *doNotPauseOnExceptionsAndMuteConsole : false) {
         if (previousPauseOnExceptionsState != ScriptDebugServer::DontPauseOnExceptions)
             scriptDebugServer().setPauseOnExceptionsState(ScriptDebugServer::DontPauseOnExceptions);
         muteConsole();
     }
 
     Vector<ScriptValue> asyncCallStacks;
     const AsyncCallStackTracker::AsyncCallChain* asyncChain = m_asyncCallStackTracker.isEnabled() ? m_asyncCallStackTracker.currentAsyncCallChain() : 0;
     if (asyncChain) {
         const AsyncCallStackTracker::AsyncCallStackVector& callStacks = asyncChain->callStacks();
         asyncCallStacks.resize(callStacks.size());
         AsyncCallStackTracker::AsyncCallStackVector::const_iterator it = callStacks.begin();
         for (size_t i = 0; it != callStacks.end(); ++it, ++i)
             asyncCallStacks[i] = (*it)->callFrames();
     }
 
-    injectedScript.evaluateOnCallFrame(errorString, m_currentCallStack, asyncCallStacks, callFrameId, expression, objectGroup ? *objectGroup : "", includeCommandLineAPI ? *includeCommandLineAPI : false, returnByValue ? *returnByValue : false, generatePreview ? *generatePreview : false, &result, wasThrown);
-
+    injectedScript.evaluateOnCallFrame(errorString, m_currentCallStack, asyncCallStacks, callFrameId, expression, objectGroup ? *objectGroup : "", includeCommandLineAPI ? *includeCommandLineAPI : false, returnByValue ? *returnByValue : false, generatePreview ? *generatePreview : false, &result, wasThrown, &exceptionDetails);
+    // V8 doesn't generate afterCompile event when it's in debugger therefore there is no content of evaluated scripts on frontend
+    // therefore contents of the stack does not provide necessary information

[vsevik, 2014/07/18 16:26:19]

Could you please file a crbug about that and send me a link? Thanks!

+    if (exceptionDetails)
+        exceptionDetails->setStackTrace(TypeBuilder::Array<TypeBuilder::Console::CallFrame>::create());
     if (doNotPauseOnExceptionsAndMuteConsole ? *doNotPauseOnExceptionsAndMuteConsole : false) {
         unmuteConsole();
         if (scriptDebugServer().pauseOnExceptionsState() != previousPauseOnExceptionsState)
             scriptDebugServer().setPauseOnExceptionsState(previousPauseOnExceptionsState);
     }
 }
 
 void InspectorDebuggerAgent::compileScript(ErrorString* errorString, const String& expression, const String& sourceURL, const int* executionContextId, TypeBuilder::OptOutput<ScriptId>* scriptId, RefPtr<ExceptionDetails>& exceptionDetails)
 {
     InjectedScript injectedScript = injectedScriptForEval(errorString, executionContextId);
@@ skipping 417 matching lines @@
 {
     m_scripts.clear();
     m_breakpointIdToDebugServerBreakpointIds.clear();
     m_asyncCallStackTracker.clear();
     if (m_frontend)
         m_frontend->globalObjectCleared();
 }
 
 } // namespace WebCore