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comparison: build/clang-plugin/tests/TestCustomHeap.cpp
build/clang-plugin/tests/TestCustomHeap.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:3771bb5b5381 |
|---|---|
| 1 #define MOZ_NONHEAP_CLASS __attribute__((annotate("moz_nonheap_class"))) | |
| 2 #define MOZ_HEAP_ALLOCATOR \ | |
| 3 _Pragma("GCC diagnostic push") \ | |
| 4 _Pragma("GCC diagnostic ignored \"-Wgcc-compat\"") \ | |
| 5 __attribute__((annotate("moz_heap_allocator"))) \ | |
| 6 _Pragma("GCC diagnostic pop") | |
| 7 | |
| 8 #include <stdlib.h> | |
| 9 #include <memory> | |
| 10 | |
| 11 struct MOZ_NONHEAP_CLASS X { | |
| 12 }; | |
| 13 | |
| 14 void *operator new(size_t x, int qual) MOZ_HEAP_ALLOCATOR { | |
| 15 return ::operator new(x); | |
| 16 } | |
| 17 | |
| 18 template <typename T> | |
| 19 T *customAlloc() MOZ_HEAP_ALLOCATOR { | |
| 20 T *arg = static_cast<T*>(malloc(sizeof(T))); | |
| 21 return new (arg) T(); | |
| 22 } | |
| 23 | |
| 24 template <typename T> | |
| 25 void misuseX(T q) { | |
| 26 X *foo = customAlloc<X>(); // expected-error {{variable of type 'X' is not valid on the heap}} | |
| 27 X *foo2 = new (100) X(); // expected-error {{variable of type 'X' is not valid on the heap}} | |
| 28 } |
