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added gc_base, which defines a more generic operator new().

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This commit is contained in:
beard%netscape.com 2000-04-13 04:53:56 +00:00
parent 932121c8e2
commit 3ee95dbd9c
2 changed files with 24 additions and 10 deletions
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17
js/js2/gc_allocator.h
View File

@ -153,16 +153,23 @@ namespace JavaScript {
};
/**
* Generic base class for objects allocated using a gc_allocator.
* Generic base class for objects allocated using a gc_allocator. How they are allocated
* can be controlled by specializing gc_traits for the specific class.
*/
template <typename T> class gc_object {
public:
void* operator new(size_t) { return alloc.allocate(1, 0); }
void* operator new(size_t) { return gc_allocator<T>::allocate(1, 0); }
void operator delete(void* /* ptr */) {}
private:
static gc_allocator<T> alloc;
};
template <typename T> gc_allocator<T> gc_object<T>::alloc;
/**
* Simpler base class for classes that have no need to specialize allocation behavior.
*/
class gc_base {
public:
void* operator new(size_t n) { return GC_malloc(n); }
void operator delete(void*) {}
};
}
#endif /* gc_allocator_h */

17
js2/src/gc_allocator.h
View File

@ -153,16 +153,23 @@ namespace JavaScript {
};
/**
* Generic base class for objects allocated using a gc_allocator.
* Generic base class for objects allocated using a gc_allocator. How they are allocated
* can be controlled by specializing gc_traits for the specific class.
*/
template <typename T> class gc_object {
public:
void* operator new(size_t) { return alloc.allocate(1, 0); }
void* operator new(size_t) { return gc_allocator<T>::allocate(1, 0); }
void operator delete(void* /* ptr */) {}
private:
static gc_allocator<T> alloc;
};
template <typename T> gc_allocator<T> gc_object<T>::alloc;
/**
* Simpler base class for classes that have no need to specialize allocation behavior.
*/
class gc_base {
public:
void* operator new(size_t n) { return GC_malloc(n); }
void operator delete(void*) {}
};
}
#endif /* gc_allocator_h */