lua/ltests.h

87 lines
1.8 KiB
C

/*
** $Id: ltests.h,v 2.17 2005/12/27 17:12:00 roberto Exp roberto $
** Internal Header for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/
#ifndef ltests_h
#define ltests_h
#include <stdlib.h>
#define LUA_DEBUG
#undef NDEBUG
#include <assert.h>
#define lua_assert(c) assert(c)
/* to avoid warnings, and to make sure value is really unused */
#define UNUSED(x) (x=0, (void)(x))
/* memory allocator control variables */
typedef struct Memcontrol {
unsigned long numblocks;
unsigned long total;
unsigned long maxmem;
unsigned long memlimit;
} Memcontrol;
LUAI_DATA Memcontrol memcontrol;
/*
** generic variable for debug tricks
*/
LUAI_DATA int Trick;
void *debug_realloc (void *ud, void *block, size_t osize, size_t nsize);
#ifdef lua_c
#define luaL_newstate() lua_newstate(debug_realloc, &memcontrol)
#endif
typedef struct CallInfo *pCallInfo;
int lua_checkmemory (lua_State *L);
int lua_checkpc (lua_State *L, pCallInfo ci);
/* test for lock/unlock */
#undef luai_userstateopen
#undef luai_userstatethread
#undef lua_lock
#undef lua_unlock
#undef LUAI_EXTRASPACE
struct L_EXTRA { int lock; int *plock; };
#define LUAI_EXTRASPACE sizeof(struct L_EXTRA)
#define getlock(l) (cast(struct L_EXTRA *, l) - 1)
#define luai_userstateopen(l) \
(getlock(l)->lock = 0, getlock(l)->plock = &(getlock(l)->lock))
#define luai_userstatethread(l,l1) (getlock(l1)->plock = getlock(l)->plock)
#define lua_lock(l) lua_assert((*getlock(l)->plock)++ == 0)
#define lua_unlock(l) lua_assert(--(*getlock(l)->plock) == 0)
int luaB_opentests (lua_State *L);
#ifdef lua_c
#define luaL_openlibs(L) { (luaL_openlibs)(L); luaB_opentests(L); }
#endif
/* change some sizes to give some bugs a chance */
#undef LUAL_BUFFERSIZE
#define LUAL_BUFFERSIZE 27
#define MINSTRTABSIZE 2
#endif