DevTools: Show detailed information for exceptions during snippet execution.

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 16 matching lines @@
  * (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/ScriptCallStack.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"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
@@ skipping 43 matching lines @@
     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 compileScript(ScriptState*, const String& expression, const String& sourceURL, String* scriptId, String* exceptionMessage, int* lineNumber = 0, int* columnNumber = 0, RefPtr<ScriptCallStack>* stackTrace = 0);

[vsevik, 2014/05/19 12:40:23]

Why do you need this default parameters values?

     virtual void clearCompiledScripts();
-    virtual void runScript(ScriptState*, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionMessage);
+    virtual void runScript(ScriptState*, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionMessage, int* lineNumber = 0, int* columnNumber = 0, RefPtr<ScriptCallStack>* stackTrace = 0);
     virtual void setPreprocessorSource(const String&) { }
     virtual void preprocessBeforeCompile(const v8::Debug::EventDetails&) { }
     virtual PassOwnPtr<ScriptSourceCode> preprocess(LocalFrame*, const ScriptSourceCode&);
     virtual String preprocessEventListener(LocalFrame*, const String& source, const String& url, const String& functionName);
 
     virtual void muteWarningsAndDeprecations() { }
     virtual void unmuteWarningsAndDeprecations() { }
 
 protected:
     explicit ScriptDebugServer(v8::Isolate*);
@@ skipping 37 matching lines @@
     PassRefPtr<JavaScriptCallFrame> wrapCallFrames(v8::Handle<v8::Object> executionState, int maximumLimit, ScopeInfoDetails);
     bool executeSkipPauseRequest(ScriptDebugListener::SkipPauseRequest, v8::Handle<v8::Object> executionState);
 
     bool m_runningNestedMessageLoop;
 };
 
 } // namespace WebCore
 
 
 #endif // ScriptDebugServer_h