Beispiel #1
0
void KJSDebugWin::slotEval()
{
    // Work out which execution state to use. If we're currently in a debugging session,
    // use the current context - otherwise, use the global execution state from the interpreter
    // corresponding to the currently displayed source file.
    ExecState *exec;
    Object thisobj;
    if(m_execStates.isEmpty())
    {
        if(m_sourceSel->currentItem() < 0)
            return;
        SourceFile *sourceFile = m_sourceSelFiles.at(m_sourceSel->currentItem());
        if(!sourceFile->interpreter)
            return;
        exec = sourceFile->interpreter->globalExec();
        thisobj = exec->interpreter()->globalObject();
    }
    else
    {
        exec = m_execStates.top();
        thisobj = exec->context().thisValue();
    }

    // Evaluate the js code from m_evalEdit
    UString code(m_evalEdit->code());
    QString msg;

    KJSCPUGuard guard;
    guard.start();

    Interpreter *interp = exec->interpreter();

    Object obj = Object::dynamicCast(interp->globalObject().get(exec, "eval"));
    List args;
    args.append(String(code));

    m_evalDepth++;
    Value retval = obj.call(exec, thisobj, args);
    m_evalDepth--;
    guard.stop();

    // Print the return value or exception message to the console
    if(exec->hadException())
    {
        Value exc = exec->exception();
        exec->clearException();
        msg = "Exception: " + exc.toString(interp->globalExec()).qstring();
    }
    else
    {
        msg = retval.toString(interp->globalExec()).qstring();
    }

    m_evalEdit->insert(msg + "\n");
    updateContextList();
}