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ltests.h
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ltests.h
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/*
** $Id: ltests.h,v 2.55 2017/12/18 13:01:49 roberto Exp roberto $
** Internal Header for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/
#ifndef ltests_h
#define ltests_h
#include <stdio.h>
#include <stdlib.h>
/* test Lua with compatibility code */
#define LUA_COMPAT_MATHLIB
#define LUA_DEBUG
/* turn on assertions */
#undef NDEBUG
#include <assert.h>
#define lua_assert(c) assert(c)
/* compiled with -O0, Lua uses a lot of C stack space... */
#undef LUAI_MAXCCALLS
#define LUAI_MAXCCALLS 200
/* to avoid warnings, and to make sure value is really unused */
#define UNUSED(x) (x=0, (void)(x))
/* test for sizes in 'l_sprintf' (make sure whole buffer is available) */
#undef l_sprintf
#if !defined(LUA_USE_C89)
#define l_sprintf(s,sz,f,i) (memset(s,0xAB,sz), snprintf(s,sz,f,i))
#else
#define l_sprintf(s,sz,f,i) (memset(s,0xAB,sz), sprintf(s,f,i))
#endif
/* memory-allocator control variables */
typedef struct Memcontrol {
unsigned long numblocks;
unsigned long total;
unsigned long maxmem;
unsigned long memlimit;
unsigned long countlimit;
unsigned long objcount[LUA_NUMTAGS];
} Memcontrol;
LUA_API Memcontrol l_memcontrol;
/*
** generic variable for debug tricks
*/
extern void *l_Trick;
/*
** Function to traverse and check all memory used by Lua
*/
int lua_checkmemory (lua_State *L);
/* test for lock/unlock */
struct L_EXTRA { int lock; int *plock; };
#undef LUA_EXTRASPACE
#define LUA_EXTRASPACE sizeof(struct L_EXTRA)
#define getlock(l) cast(struct L_EXTRA*, lua_getextraspace(l))
#define luai_userstateopen(l) \
(getlock(l)->lock = 0, getlock(l)->plock = &(getlock(l)->lock))
#define luai_userstateclose(l) \
lua_assert(getlock(l)->lock == 1 && getlock(l)->plock == &(getlock(l)->lock))
#define luai_userstatethread(l,l1) \
lua_assert(getlock(l1)->plock == getlock(l)->plock)
#define luai_userstatefree(l,l1) \
lua_assert(getlock(l)->plock == getlock(l1)->plock)
#define lua_lock(l) lua_assert((*getlock(l)->plock)++ == 0)
#define lua_unlock(l) lua_assert(--(*getlock(l)->plock) == 0)
LUA_API int luaB_opentests (lua_State *L);
LUA_API void *debug_realloc (void *ud, void *block,
size_t osize, size_t nsize);
#if defined(lua_c)
#define luaL_newstate() lua_newstate(debug_realloc, &l_memcontrol)
#define luaL_openlibs(L) \
{ (luaL_openlibs)(L); \
luaL_requiref(L, "T", luaB_opentests, 1); \
lua_pop(L, 1); }
#endif
/* change some sizes to give some bugs a chance */
#undef LUAL_BUFFERSIZE
#define LUAL_BUFFERSIZE 23
#define MINSTRTABSIZE 2
#define MAXINDEXRK 1
#define MAXIWTHABS 3
/* make stack-overflow tests run faster */
#undef LUAI_MAXSTACK
#define LUAI_MAXSTACK 50000
#undef LUAI_USER_ALIGNMENT_T
#define LUAI_USER_ALIGNMENT_T union { char b[sizeof(void*) * 8]; }
#define STRCACHE_N 23
#define STRCACHE_M 5
#endif