diff options
Diffstat (limited to 'src/qml/compiler/qv4compileddata_p.h')
-rw-r--r-- | src/qml/compiler/qv4compileddata_p.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/qml/compiler/qv4compileddata_p.h b/src/qml/compiler/qv4compileddata_p.h index 9301939bff..629adf8231 100644 --- a/src/qml/compiler/qv4compileddata_p.h +++ b/src/qml/compiler/qv4compileddata_p.h @@ -1158,6 +1158,49 @@ public: bool saveToDisk(const QString &outputFileName, QString *errorString) const; }; +class SaveableUnitPointer +{ + Q_DISABLE_COPY_MOVE(SaveableUnitPointer) +public: + SaveableUnitPointer(const CompilationUnit *unit, quint32 temporaryFlags = Unit::StaticData) : + unit(unit) + { + quint32_le &unitFlags = mutableFlags(); + quint32 origFlags = unitFlags; + unitFlags |= temporaryFlags; + changedFlags = origFlags ^ unitFlags; + } + + ~SaveableUnitPointer() + { + mutableFlags() ^= changedFlags; + } + + const CompilationUnit *operator->() const { return unit; } + const CompilationUnit &operator*() const { return *unit; } + operator const CompilationUnit *() { return unit; } + + template<typename Char> + const Char *data() const + { + Q_STATIC_ASSERT(sizeof(Char) == 1); + const Char *dataPtr; + memcpy(&dataPtr, &unit->data, sizeof(dataPtr)); + return dataPtr; + } + + quint32 size() const + { + return unit->data->unitSize; + } + +private: + quint32_le &mutableFlags() { return const_cast<Unit *>(unit->unitData())->flags; }; + const CompilationUnit *unit; + quint32 changedFlags; +}; + + } // CompiledData namespace } // QV4 namespace |