diff options
Diffstat (limited to 'source/l/qt/patches/qt-everywhere-opensource-src-4.8.7-qforeach.patch')
-rw-r--r-- | source/l/qt/patches/qt-everywhere-opensource-src-4.8.7-qforeach.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/source/l/qt/patches/qt-everywhere-opensource-src-4.8.7-qforeach.patch b/source/l/qt/patches/qt-everywhere-opensource-src-4.8.7-qforeach.patch new file mode 100644 index 00000000..836dc13a --- /dev/null +++ b/source/l/qt/patches/qt-everywhere-opensource-src-4.8.7-qforeach.patch @@ -0,0 +1,40 @@ +--- a/src/corelib/global/qglobal.h ++++ b/src/corelib/global/qglobal.h +@@ -2482,22 +2482,32 @@ typedef uint Flags; + + #endif /* Q_NO_TYPESAFE_FLAGS */ + +-#if defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && !defined(Q_CC_RVCT) ++#if (defined(Q_CC_GNU) && !defined(Q_CC_RVCT)) + /* make use of typeof-extension */ + template <typename T> + class QForeachContainer { + public: +- inline QForeachContainer(const T& t) : c(t), brk(0), i(c.begin()), e(c.end()) { } ++ inline QForeachContainer(const T& t) : c(t), i(c.begin()), e(c.end()), control(1) { } + const T c; + int brk; + typename T::const_iterator i, e; ++ int control; + }; + ++// Explanation of the control word: ++// - it's initialized to 1 ++// - that means both the inner and outer loops start ++// - if there were no breaks, at the end of the inner loop, it's set to 0, which ++// causes it to exit (the inner loop is run exactly once) ++// - at the end of the outer loop, it's inverted, so it becomes 1 again, allowing ++// the outer loop to continue executing ++// - if there was a break inside the inner loop, it will exit with control still ++// set to 1; in that case, the outer loop will invert it to 0 and will exit too + #define Q_FOREACH(variable, container) \ + for (QForeachContainer<__typeof__(container)> _container_(container); \ +- !_container_.brk && _container_.i != _container_.e; \ +- __extension__ ({ ++_container_.brk; ++_container_.i; })) \ +- for (variable = *_container_.i;; __extension__ ({--_container_.brk; break;})) ++ _container_.control && _container_.i != _container_.e; \ ++ ++_container_.i, _container_.control ^= 1) \ ++ for (variable = *_container_.i; _container_.control; _container_.control = 0) + + #else + |