QVariant KJSProxyImpl::evaluate(QString filename, int baseLine,
const QString&str, const DOM::Node &n, Completion *completion) {
// evaluate code. Returns the JS return value or an invalid QVariant
// if there was none, an error occured or the type couldn't be converted.
initScript();
// inlineCode is true for <a href="javascript:doSomething()">
// and false for <script>doSomething()</script>. Check if it has the
// expected value in all cases.
// See smart window.open policy for where this is used.
bool inlineCode = filename.isNull();
//kdDebug(6070) << "KJSProxyImpl::evaluate inlineCode=" << inlineCode << endl;
#ifdef KJS_DEBUGGER
if (inlineCode)
filename = "(unknown file)";
if (KJSDebugWin::instance()) {
KJSDebugWin::instance()->attach(m_script);
KJSDebugWin::instance()->setNextSourceInfo(filename,baseLine);
// KJSDebugWin::instance()->setMode(KJSDebugWin::Step);
}
#else
Q_UNUSED(baseLine);
#endif
m_script->setInlineCode(inlineCode);
Window* window = Window::retrieveWindow( m_part );
KJS::Value thisNode = n.isNull() ? Window::retrieve( m_part ) : getDOMNode(m_script->globalExec(),n);
UString code( str );
KJSCPUGuard guard;
guard.start();
Completion comp = m_script->evaluate(code, thisNode);
guard.stop();
bool success = ( comp.complType() == Normal ) || ( comp.complType() == ReturnValue );
if (completion)
*completion = comp;
#ifdef KJS_DEBUGGER
// KJSDebugWin::instance()->setCode(QString::null);
#endif
window->afterScriptExecution();
// let's try to convert the return value
if (success && !comp.value().isNull())
return ValueToVariant( m_script->globalExec(), comp.value());
else
{
if ( comp.complType() == Throw )
{
UString msg = comp.value().toString(m_script->globalExec());
kdWarning(6070) << "Script threw exception: " << msg.qstring() << endl;
}
return QVariant();
}
}
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();
}