diff options
Diffstat (limited to 'src/declarative/qml/qdeclarativeexpression.cpp')
-rw-r--r-- | src/declarative/qml/qdeclarativeexpression.cpp | 71 |
1 files changed, 26 insertions, 45 deletions
diff --git a/src/declarative/qml/qdeclarativeexpression.cpp b/src/declarative/qml/qdeclarativeexpression.cpp index a250f21..2a3e557 100644 --- a/src/declarative/qml/qdeclarativeexpression.cpp +++ b/src/declarative/qml/qdeclarativeexpression.cpp @@ -175,7 +175,8 @@ void QDeclarativeExpressionPrivate::init(QDeclarativeContextData *ctxt, void *ex } QScriptValue QDeclarativeExpressionPrivate::evalInObjectScope(QDeclarativeContextData *context, QObject *object, - const QString &program, QScriptValue *contextObject) + const QString &program, const QString &fileName, + int lineNumber, QScriptValue *contextObject) { QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(context->engine); QScriptContext *scriptContext = QScriptDeclarativeClass::pushCleanContext(&ep->scriptEngine); @@ -186,7 +187,7 @@ QScriptValue QDeclarativeExpressionPrivate::evalInObjectScope(QDeclarativeContex scriptContext->pushScope(ep->contextClass->newContext(context, object)); } scriptContext->pushScope(ep->globalClass->globalObject()); - QScriptValue rv = ep->scriptEngine.evaluate(program); + QScriptValue rv = ep->scriptEngine.evaluate(program, fileName, lineNumber); ep->scriptEngine.popContext(); return rv; } @@ -351,7 +352,7 @@ void QDeclarativeExpressionPrivate::exceptionToError(QScriptEngine *scriptEngine } } -QVariant QDeclarativeExpressionPrivate::evalQtScript(QObject *secondaryScope, bool *isUndefined) +QScriptValue QDeclarativeExpressionPrivate::eval(QObject *secondaryScope, bool *isUndefined) { QDeclarativeExpressionData *data = this->data; QDeclarativeEngine *engine = data->context()->engine; @@ -376,7 +377,7 @@ QVariant QDeclarativeExpressionPrivate::evalQtScript(QObject *secondaryScope, bo const QString code = rewriteBinding(data->expression, &ok); if (!ok) { scriptEngine->popContext(); - return QVariant(); + return QScriptValue(); } data->expressionFunction = scriptEngine->evaluate(code, data->url, data->line); } @@ -413,54 +414,20 @@ QVariant QDeclarativeExpressionPrivate::evalQtScript(QObject *secondaryScope, bo if (scriptEngine->hasUncaughtException()) { exceptionToError(scriptEngine, data->error); scriptEngine->clearExceptions(); - return QVariant(); + return QScriptValue(); } else { data->error = QDeclarativeError(); + return svalue; } - - QVariant rv; - - if (svalue.isArray()) { - int length = svalue.property(QLatin1String("length")).toInt32(); - if (length && svalue.property(0).isObject()) { - QList<QObject *> list; - for (int ii = 0; ii < length; ++ii) { - QScriptValue arrayItem = svalue.property(ii); - QObject *d = arrayItem.toQObject(); - list << d; - } - rv = QVariant::fromValue(list); - } - } else if (svalue.isObject() && - ep->objectClass->scriptClass(svalue) == ep->objectClass) { - QObject *o = svalue.toQObject(); - int type = QMetaType::QObjectStar; - // If the object is null, we extract the predicted type. While this isn't - // 100% reliable, in many cases it gives us better error messages if we - // assign this null-object to an incompatible property - if (!o) type = ep->objectClass->objectType(svalue); - - return QVariant(type, &o); - } - - if (rv.isNull()) - rv = svalue.toVariant(); - - return rv; } -QVariant QDeclarativeExpressionPrivate::value(QObject *secondaryScope, bool *isUndefined) +QScriptValue QDeclarativeExpressionPrivate::scriptValue(QObject *secondaryScope, bool *isUndefined) { Q_Q(QDeclarativeExpression); - - QVariant rv; - if (!q->engine()) { - qWarning("QDeclarativeExpression: Attempted to evaluate an expression in an invalid context"); - return rv; - } + Q_ASSERT(q->engine()); if (data->expression.isEmpty()) - return rv; + return QScriptValue(); QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(q->engine()); @@ -476,7 +443,7 @@ QVariant QDeclarativeExpressionPrivate::value(QObject *secondaryScope, bool *isU QDeclarativeExpressionData *localData = data; localData->addref(); - rv = evalQtScript(secondaryScope, isUndefined); + QScriptValue value = eval(secondaryScope, isUndefined); ep->currentExpression = lastCurrentExpression; ep->captureProperties = lastCaptureProperties; @@ -494,7 +461,21 @@ QVariant QDeclarativeExpressionPrivate::value(QObject *secondaryScope, bool *isU lastCapturedProperties.copyAndClear(ep->capturedProperties); - return rv; + return value; +} + +QVariant QDeclarativeExpressionPrivate::value(QObject *secondaryScope, bool *isUndefined) +{ + Q_Q(QDeclarativeExpression); + + if (!q->engine()) { + qWarning("QDeclarativeExpression: Attempted to evaluate an expression in an invalid context"); + return QVariant(); + } + + QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(q->engine()); + + return ep->scriptValueToVariant(scriptValue(secondaryScope, isUndefined), qMetaTypeId<QList<QObject*> >()); } /*! |