diff options
Diffstat (limited to 'src/qml/qml/qqmlboundsignal.cpp')
| -rw-r--r-- | src/qml/qml/qqmlboundsignal.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/qml/qml/qqmlboundsignal.cpp b/src/qml/qml/qqmlboundsignal.cpp index 3a0d58d87c..cc2edb7b19 100644 --- a/src/qml/qml/qqmlboundsignal.cpp +++ b/src/qml/qml/qqmlboundsignal.cpp @@ -86,7 +86,7 @@ QQmlBoundSignalExpression::QQmlBoundSignalExpression(QObject *target, int index, m_expression = expression; } -QQmlBoundSignalExpression::QQmlBoundSignalExpression(QObject *target, int index, QQmlContextData *ctxt, QObject *scope, const QV4::PersistentValue &function) +QQmlBoundSignalExpression::QQmlBoundSignalExpression(QObject *target, int index, QQmlContextData *ctxt, QObject *scope, const QV4::ValueRef &function) : QQmlJavaScriptExpression(&QQmlBoundSignalExpression_jsvtable), m_v8function(function), m_line(-1), @@ -128,7 +128,9 @@ QString QQmlBoundSignalExpression::expression() const { if (m_expressionFunctionValid) { Q_ASSERT (context() && engine()); - return m_v8function.value().toQStringNoThrow(); + QV4::Scope scope(QQmlEnginePrivate::get(engine())->v4engine()); + QV4::ScopedValue v(scope, m_v8function.value()); + return v->toQStringNoThrow(); } else { return m_expression; } @@ -144,6 +146,7 @@ void QQmlBoundSignalExpression::evaluate(void **a) return; QQmlEnginePrivate *ep = QQmlEnginePrivate::get(engine()); + QV4::Scope scope(ep->v4engine()); ep->referenceScarceResources(); // "hold" scarce resources in memory during evaluation. { @@ -181,7 +184,7 @@ void QQmlBoundSignalExpression::evaluate(void **a) m_v8function = evalFunction(context(), scopeObject(), expression, m_fileName, m_line, &m_v8qmlscope); - if (m_v8function.isUndefined() || m_v8function.value().isNull()) { + if (m_v8function.isNullOrUndefined()) { ep->dereferenceScarceResources(); return; // could not evaluate function. Not valid. } @@ -223,7 +226,8 @@ void QQmlBoundSignalExpression::evaluate(void **a) } } - QQmlJavaScriptExpression::evaluate(context(), m_v8function.value(), argCount, args, 0); + QV4::ScopedValue f(scope, m_v8function.value()); + QQmlJavaScriptExpression::evaluate(context(), f, argCount, args, 0); } ep->dereferenceScarceResources(); // "release" scarce resources if top-level expression evaluation is complete. } |