gecko-dev/xpcom/glue/nsTraceRefcnt.h
2012-05-21 12:12:37 +01:00

96 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsTraceRefcnt_h___
#define nsTraceRefcnt_h___
#include "nsXPCOM.h"
#ifdef NS_BUILD_REFCNT_LOGGING
#define NS_LOG_ADDREF(_p, _rc, _type, _size) \
NS_LogAddRef((_p), (_rc), (_type), (PRUint32) (_size))
#define NS_LOG_RELEASE(_p, _rc, _type) \
NS_LogRelease((_p), (_rc), (_type))
#define MOZ_COUNT_CTOR(_type) \
PR_BEGIN_MACRO \
NS_LogCtor((void*)this, #_type, sizeof(*this)); \
PR_END_MACRO
#define MOZ_COUNT_CTOR_INHERITED(_type, _base) \
PR_BEGIN_MACRO \
NS_LogCtor((void*)this, #_type, sizeof(*this) - sizeof(_base)); \
PR_END_MACRO
#define MOZ_COUNT_DTOR(_type) \
PR_BEGIN_MACRO \
NS_LogDtor((void*)this, #_type, sizeof(*this)); \
PR_END_MACRO
#define MOZ_COUNT_DTOR_INHERITED(_type, _base) \
PR_BEGIN_MACRO \
NS_LogDtor((void*)this, #_type, sizeof(*this) - sizeof(_base)); \
PR_END_MACRO
/* nsCOMPtr.h allows these macros to be defined by clients
* These logging functions require dynamic_cast<void*>, so they don't
* do anything useful if we don't have dynamic_cast<void*>. */
#define NSCAP_LOG_ASSIGNMENT(_c, _p) \
if (_p) \
NS_LogCOMPtrAddRef((_c),static_cast<nsISupports*>(_p))
#define NSCAP_LOG_RELEASE(_c, _p) \
if (_p) \
NS_LogCOMPtrRelease((_c), static_cast<nsISupports*>(_p))
#else /* !NS_BUILD_REFCNT_LOGGING */
#define NS_LOG_ADDREF(_p, _rc, _type, _size)
#define NS_LOG_RELEASE(_p, _rc, _type)
#define MOZ_COUNT_CTOR(_type)
#define MOZ_COUNT_CTOR_INHERITED(_type, _base)
#define MOZ_COUNT_DTOR(_type)
#define MOZ_COUNT_DTOR_INHERITED(_type, _base)
#endif /* NS_BUILD_REFCNT_LOGGING */
#ifdef __cplusplus
class nsTraceRefcnt {
public:
inline static void LogAddRef(void* aPtr, nsrefcnt aNewRefCnt,
const char* aTypeName, PRUint32 aInstanceSize) {
NS_LogAddRef(aPtr, aNewRefCnt, aTypeName, aInstanceSize);
}
inline static void LogRelease(void* aPtr, nsrefcnt aNewRefCnt,
const char* aTypeName) {
NS_LogRelease(aPtr, aNewRefCnt, aTypeName);
}
inline static void LogCtor(void* aPtr, const char* aTypeName,
PRUint32 aInstanceSize) {
NS_LogCtor(aPtr, aTypeName, aInstanceSize);
}
inline static void LogDtor(void* aPtr, const char* aTypeName,
PRUint32 aInstanceSize) {
NS_LogDtor(aPtr, aTypeName, aInstanceSize);
}
inline static void LogAddCOMPtr(void *aCOMPtr, nsISupports *aObject) {
NS_LogCOMPtrAddRef(aCOMPtr, aObject);
}
inline static void LogReleaseCOMPtr(void *aCOMPtr, nsISupports *aObject) {
NS_LogCOMPtrRelease(aCOMPtr, aObject);
}
};
#endif /* defined(__cplusplus) */
#endif /* nsTraceRefcnt_h___ */