/*!
Executes the pending evaluate, if any.
*/
void QScriptDebuggerBackend::doPendingEvaluate(bool postEvent)
{
Q_D(QScriptDebuggerBackend);
QString program = d->pendingEvaluateProgram;
if (program.isEmpty())
return;
int contextIndex = d->pendingEvaluateContextIndex;
QScriptContext *ctx = context(contextIndex);
Q_ASSERT(ctx != 0);
QString fileName = d->pendingEvaluateFileName;
int lineNumber = d->pendingEvaluateLineNumber;
d->pendingEvaluateProgram = QString();
d->pendingEvaluateFileName = QString();
d->pendingEvaluateLineNumber = -1;
d->pendingEvaluateContextIndex = -1;
// push a new context and initialize its scope chain etc.
{
QScriptContext *evalContext = engine()->pushContext();
QScriptValueList scopeChain = ctx->scopeChain();
if (scopeChain.isEmpty())
scopeChain.append(engine()->globalObject());
while (!scopeChain.isEmpty())
evalContext->pushScope(scopeChain.takeLast());
evalContext->setActivationObject(ctx->activationObject());
evalContext->setThisObject(ctx->thisObject());
}
d->agent->enterContinueMode();
// set a flag so that any exception that happens in
// the evaluate() is not sent to the debugger
d->ignoreExceptions = true;
bool hadException = engine()->hasUncaughtException();
QScriptValue ret = engine()->evaluate(program, fileName, lineNumber);
d->ignoreExceptions = false;
if (!hadException && engine()->hasUncaughtException())
engine()->clearExceptions();
engine()->popContext();
QScriptDebuggerValue retret(ret);
QScriptDebuggerEvent e(QScriptDebuggerEvent::InlineEvalFinished);
e.setScriptValue(retret);
if (!ret.isUndefined())
e.setMessage(ret.toString()); // for convenience -- we always need it
e.setNestedEvaluate(engine()->isEvaluating());
if (postEvent) {
QScriptDebuggerEventEvent *de = new QScriptDebuggerEventEvent(e);
d->postEvent(de);
} else {
event(e);
}
}
// Look up the handler associated with eventName and entityID. If found, evalute the argGenerator thunk and call the handler with those args
void ScriptEngine::generalHandler(const EntityItemID& entityID, const QString& eventName, std::function<QScriptValueList()> argGenerator) {
if (!_registeredHandlers.contains(entityID)) {
return;
}
const RegisteredEventHandlers& handlersOnEntity = _registeredHandlers[entityID];
if (!handlersOnEntity.contains(eventName)) {
return;
}
QScriptValueList handlersForEvent = handlersOnEntity[eventName];
if (!handlersForEvent.isEmpty()) {
QScriptValueList args = argGenerator();
for (int i = 0; i < handlersForEvent.count(); ++i) {
handlersForEvent[i].call(QScriptValue(), args);
}
}
}
