void reportException(ScriptState* scriptState, v8::TryCatch& exceptionCatcher)
{
String errorMessage;
int lineNumber = 0;
String sourceURL;
// There can be a situation that an exception is thrown without setting a message.
v8::Local<v8::Message> message = exceptionCatcher.Message();
if (message.IsEmpty()) {
v8::Local<v8::String> exceptionString = exceptionCatcher.Exception()->ToString();
// Conversion of the exception object to string can fail if an
// exception is thrown during conversion.
if (!exceptionString.IsEmpty())
errorMessage = toWebCoreString(exceptionString);
} else {
errorMessage = toWebCoreString(message->Get());
lineNumber = message->GetLineNumber();
sourceURL = toWebCoreString(message->GetScriptResourceName());
}
// Do not report the exception if the current execution context is Document because we do not want to lead to duplicate error messages in the console.
// FIXME (31171): need better design to solve the duplicate error message reporting problem.
ScriptExecutionContext* context = getScriptExecutionContext(scriptState);
// During the frame teardown, there may not be a valid context.
if (context && !context->isDocument())
context->reportException(errorMessage, lineNumber, sourceURL);
exceptionCatcher.Reset();
}
void reportException(JSC::ExecState* exec, JSValuePtr exception)
{
UString errorMessage = exception.toString(exec);
JSObject* exceptionObject = exception.toObject(exec);
int lineNumber = exceptionObject->get(exec, Identifier(exec, "line")).toInt32(exec);
UString exceptionSourceURL = exceptionObject->get(exec, Identifier(exec, "sourceURL")).toString(exec);
exec->clearException();
ScriptExecutionContext* scriptExecutionContext = static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject())->scriptExecutionContext();
scriptExecutionContext->reportException(errorMessage, lineNumber, exceptionSourceURL);
}
void reportException(ExecState* exec, JSValue exception, CachedScript* cachedScript)
{
if (isTerminatedExecutionException(exception))
return;
Interpreter::ErrorHandlingMode mode(exec);
RefPtr<ScriptCallStack> callStack(createScriptCallStackFromException(exec, exception, ScriptCallStack::maxCallStackSizeToCapture));
exec->clearException();
exec->clearSupplementaryExceptionInfo();
JSDOMGlobalObject* globalObject = jsCast<JSDOMGlobalObject*>(exec->lexicalGlobalObject());
if (JSDOMWindow* window = jsDynamicCast<JSDOMWindow*>(globalObject)) {
if (!window->impl()->isCurrentlyDisplayedInFrame())
return;
}
int lineNumber = 0;
int columnNumber = 0;
String exceptionSourceURL;
if (callStack->size()) {
const ScriptCallFrame& frame = callStack->at(0);
lineNumber = frame.lineNumber();
columnNumber = frame.columnNumber();
exceptionSourceURL = frame.sourceURL();
} else {
// There may not be an exceptionStack for a <script> SyntaxError. Fallback to getting at least the line and sourceURL from the exception.
JSObject* exceptionObject = exception.toObject(exec);
JSValue lineValue = exceptionObject->getDirect(exec->vm(), Identifier(exec, "line"));
lineNumber = lineValue && lineValue.isNumber() ? int(lineValue.toNumber(exec)) : 0;
JSValue columnValue = exceptionObject->getDirect(exec->vm(), Identifier(exec, "column"));
columnNumber = columnValue && columnValue.isNumber() ? int(columnValue.toNumber(exec)) : 0;
JSValue sourceURLValue = exceptionObject->getDirect(exec->vm(), Identifier(exec, "sourceURL"));
exceptionSourceURL = sourceURLValue && sourceURLValue.isString() ? sourceURLValue.toString(exec)->value(exec) : ASCIILiteral("undefined");
}
String errorMessage;
if (ExceptionBase* exceptionBase = toExceptionBase(exception))
errorMessage = exceptionBase->message() + ": " + exceptionBase->description();
else {
// FIXME: <http://webkit.org/b/115087> Web Inspector: WebCore::reportException should not evaluate JavaScript handling exceptions
// If this is a custon exception object, call toString on it to try and get a nice string representation for the exception.
errorMessage = exception.toString(exec)->value(exec);
exec->clearException();
exec->clearSupplementaryExceptionInfo();
}
ScriptExecutionContext* scriptExecutionContext = globalObject->scriptExecutionContext();
scriptExecutionContext->reportException(errorMessage, lineNumber, columnNumber, exceptionSourceURL, callStack->size() ? callStack : 0, cachedScript);
}
void reportException(ExecState* exec, Exception* exception, CachedScript* cachedScript)
{
RELEASE_ASSERT(exec->vm().currentThreadIsHoldingAPILock());
if (isTerminatedExecutionException(exception))
return;
ErrorHandlingScope errorScope(exec->vm());
RefPtr<ScriptCallStack> callStack(createScriptCallStackFromException(exec, exception, ScriptCallStack::maxCallStackSizeToCapture));
exec->clearException();
exec->clearLastException();
JSDOMGlobalObject* globalObject = jsCast<JSDOMGlobalObject*>(exec->lexicalGlobalObject());
if (JSDOMWindow* window = jsDynamicCast<JSDOMWindow*>(globalObject)) {
if (!window->impl().isCurrentlyDisplayedInFrame())
return;
}
int lineNumber = 0;
int columnNumber = 0;
String exceptionSourceURL;
if (const ScriptCallFrame* callFrame = callStack->firstNonNativeCallFrame()) {
lineNumber = callFrame->lineNumber();
columnNumber = callFrame->columnNumber();
exceptionSourceURL = callFrame->sourceURL();
}
String errorMessage;
JSValue exceptionValue = exception->value();
if (ExceptionBase* exceptionBase = toExceptionBase(exceptionValue))
errorMessage = exceptionBase->message() + ": " + exceptionBase->description();
else {
// FIXME: <http://webkit.org/b/115087> Web Inspector: WebCore::reportException should not evaluate JavaScript handling exceptions
// If this is a custon exception object, call toString on it to try and get a nice string representation for the exception.
if (ErrorInstance* error = jsDynamicCast<ErrorInstance*>(exceptionValue))
errorMessage = error->sanitizedToString(exec);
else
errorMessage = exceptionValue.toString(exec)->value(exec);
// We need to clear any new exception that may be thrown in the toString() call above.
// reportException() is not supposed to be making new exceptions.
exec->clearException();
exec->clearLastException();
}
ScriptExecutionContext* scriptExecutionContext = globalObject->scriptExecutionContext();
scriptExecutionContext->reportException(errorMessage, lineNumber, columnNumber, exceptionSourceURL, callStack->size() ? callStack : 0, cachedScript);
}
void reportException(ExecState* exec, JSValue exception)
{
UString errorMessage = exception.toString(exec);
JSObject* exceptionObject = exception.toObject(exec);
int lineNumber = exceptionObject->get(exec, Identifier(exec, "line")).toInt32(exec);
UString exceptionSourceURL = exceptionObject->get(exec, Identifier(exec, "sourceURL")).toString(exec);
exec->clearException();
ScriptExecutionContext* scriptExecutionContext = static_cast<JSDOMGlobalObject*>(exec->lexicalGlobalObject())->scriptExecutionContext();
ASSERT(scriptExecutionContext);
// Crash data indicates null-dereference crashes at this point in the Safari 4 Public Beta.
// It's harmless to return here without reporting the exception to the log and the debugger in this case.
if (!scriptExecutionContext)
return;
scriptExecutionContext->reportException(errorMessage, lineNumber, exceptionSourceURL);
}