bool QSEngine::checkSyntax(const QString &code, int checkMode,
bool deleteNodes)
{
return rep->evaluate(code, 0, true, checkMode);
#if 0
Q_UNUSED(checkMode);
Q_ASSERT(QSLexer::lexer());
#if defined (QT_THREAD_SUPPORT) && QT_VERSION >= 0x030300
QMutexLocker locker(qt_global_mutexpool ? qt_global_mutexpool->get(QSLexer::lexer()) : 0);
#endif
rep->errType = 0;
rep->errLines.clear();
rep->errMsgs.clear();
QSLexer::lexer()->setCode(code,
#ifdef QSDEBUGGER
rep->sourceId()
#else
0
#endif
);
int parseError = qsyyparse();
QSNode *lastNode = QSProgramNode::last();
bool success = true;
if (parseError) {
rep->errType = QSErrParseError;
int l = QSLexer::lexer()->lineNo();
rep->errLines.append(l);
rep->errMsgs.append(QString::fromLatin1("Parse Error: ")
+ qs_format_error(QSLexer::lexer()->errorMessage()));
success = false;
}
if (deleteNodes && lastNode && lastNode->deref())
delete lastNode;
return success;
#endif
}
// eval()
static QSObject qsEval( QSEnv *env )
{
QSObject x = env->arg( 0 );
if ( !x.isString() ) {
return x;
} else {
QSEngineImp *eimp = env->engine()->imp();
QString s = x.toString();
QSNode *progNode = 0;
{ // begin mutext locker
QMutexLocker locker(qsa_lexer_mutex());
QSLexer::lexer()->setCode( s,
#ifdef QSDEBUGGER
eimp->sourceId()
#else
0
#endif
);
int yp = qsyyparse();
progNode = QSProgramNode::last();
if ( yp || QSLexer::lexer()->lexerState() == QSLexer::Bad ) {
if (!progNode && progNode->deref())
delete progNode;
return env->throwError( SyntaxError );
}
} // end mutext locker
QSCheckData data( env );
QSObject scopeTop = env->currentScope();
postfixAdd( scopeTop.objectType(), &data );
QSEvalScopeClass *cl = new QSEvalScopeClass( env->objectClass() );
data.enterEval( cl );
progNode->check( &data );
if ( data.hasError() ) {
if (!progNode->deref())
delete progNode;
return env->throwError( EvalError,
data.errorMessages().first(),
data.errorLines().first() );
}
QSList empty;
env->pushScope( cl->construct( empty ) );
// ### delete tmp scope class
QSObject res = ((QSProgramNode*)progNode)->execute( env );
if (!progNode->deref())
delete progNode;
env->popScope();
if ( env->isReturnValueMode() )
return res;
else if ( env->isNormalMode() ) {
if ( res.isValid() )
return res;
else
return env->createUndefined();
} else
return res;
}
}
