void _Block_use_GC()

in src/BlocksRuntime/runtime.c [226:246]

• 19 lines of code
• 1 McCabe index (conditional complexity)

void _Block_use_GC( void *(*alloc)(size_t, const bool isOne, const bool isObject),
                    void (*setHasRefcount)(const void *, const bool),
                    void (*gc_assign)(void *, void **),
                    void (*gc_assign_weak)(const void *, void *),
                    void (*gc_memmove)(void *, void *, unsigned long)) {

    isGC = true;
    _Block_allocator = alloc;
    _Block_deallocator = _Block_do_nothing;
    _Block_assign = gc_assign;
    _Block_copy_flag = BLOCK_IS_GC;
    _Block_copy_class = _NSConcreteAutoBlock;
    // blocks with ctors & dtors need to have the dtor run from a class with a finalizer
    _Block_copy_finalizing_class = _NSConcreteFinalizingBlock;
    _Block_setHasRefcount = setHasRefcount;
    _Byref_flag_initial_value = BLOCK_BYREF_IS_GC;   // no refcount
    _Block_retain_object = _Block_do_nothing;
    _Block_release_object = _Block_do_nothing;
    _Block_assign_weak = gc_assign_weak;
    _Block_memmove = gc_memmove;
}