diff options
Diffstat (limited to 'src/qml/jsruntime/qv4engine_p.h')
| -rw-r--r-- | src/qml/jsruntime/qv4engine_p.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/qml/jsruntime/qv4engine_p.h b/src/qml/jsruntime/qv4engine_p.h index efe44a324c..dd6e6ed279 100644 --- a/src/qml/jsruntime/qv4engine_p.h +++ b/src/qml/jsruntime/qv4engine_p.h @@ -655,6 +655,7 @@ public: int maxGCStackSize() const; bool checkStackLimits(); + int safeForAllocLength(qint64 len64); bool canJIT(Function *f = nullptr) { @@ -723,6 +724,9 @@ public: QQmlRefPointer<ExecutableCompilationUnit> loadModule(const QUrl &_url, const ExecutableCompilationUnit *referrer = nullptr); private: + template<int Frames> + friend struct ExecutionEngineCallDepthRecorder; + #if QT_CONFIG(qml_debug) QScopedPointer<QV4::Debugging::Debugger> m_debugger; QScopedPointer<QV4::Profiling::Profiler> m_profiler; @@ -753,14 +757,17 @@ private: }; #define CHECK_STACK_LIMITS(v4) if ((v4)->checkStackLimits()) return Encode::undefined(); \ - ExecutionEngineCallDepthRecorder _executionEngineCallDepthRecorder(v4); + ExecutionEngineCallDepthRecorder<1> _executionEngineCallDepthRecorder(v4); +template<int Frames = 1> struct ExecutionEngineCallDepthRecorder { ExecutionEngine *ee; - ExecutionEngineCallDepthRecorder(ExecutionEngine *e): ee(e) { ++ee->callDepth; } - ~ExecutionEngineCallDepthRecorder() { --ee->callDepth; } + ExecutionEngineCallDepthRecorder(ExecutionEngine *e): ee(e) { ee->callDepth += Frames; } + ~ExecutionEngineCallDepthRecorder() { ee->callDepth -= Frames; } + + bool hasOverflow() const { return ee->callDepth >= ExecutionEngine::maxCallDepth; } }; inline bool ExecutionEngine::checkStackLimits() |