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configurations for types 'lu_mem'/'l_mem'/'Instruction' moved to here 

(from 'luaconf.h'), as they are not needed by the API and probably
will not be changed
This commit is contained in:
Roberto Ierusalimschy 2014-10-29 15:07:45 -02:00
parent 05afee0f50
commit ff6c034330
1 changed files with 26 additions and 14 deletions
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40
llimits.h
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@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.121 2014/10/25 11:50:46 roberto Exp roberto $
** $Id: llimits.h,v 1.122 2014/10/27 16:29:58 roberto Exp roberto $
** Limits, basic types, and some other 'installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@ -14,13 +14,21 @@
#include "lua.h"
typedef unsigned LUA_INT32 lu_int32;
/*
** 'lu_mem' and 'l_mem' are unsigned/signed integers big enough to count
** the total memory used by Lua (in bytes). Usually, 'size_t' and
** 'ptrdiff_t' should work, but we use 'long' for 16-bit machines.
*/
#if defined(LUAI_MEM) /* { external definitions? */
typedef LUAI_UMEM lu_mem;
typedef LUAI_MEM l_mem;
#elif LUAI_BITSINT >= 32 /* }{ */
typedef size_t lu_mem;
typedef ptrdiff_t l_mem;
#else /* 16-bit ints */ /* }{ */
typedef unsigned long lu_mem;
typedef long l_mem;
#endif /* } */
/* chars used as small naturals (so that 'char' is reserved for characters) */
@ -48,7 +56,7 @@ typedef unsigned char lu_byte;
** this is for hashing only; there is no problem if the integer
** cannot hold the whole pointer value
*/
#define point2int(p) ((unsigned int)((lu_mem)(p) & UINT_MAX))
#define point2int(p) ((unsigned int)((size_t)(p) & UINT_MAX))
@ -149,10 +157,14 @@ typedef LUAI_UACINT l_uacInt;
/*
** type for virtual-machine instructions
** type for virtual-machine instructions;
** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h)
*/
typedef lu_int32 Instruction;
#if LUAI_BITSINT >= 32
typedef unsigned int Instruction;
#else
typedef unsigned long Instruction;
#endif
@ -170,12 +182,12 @@ typedef lu_int32 Instruction;
#if !defined(lua_lock)
#define lua_lock(L) ((void) 0)
#define lua_unlock(L) ((void) 0)
#define lua_lock(L) ((void) 0)
#define lua_unlock(L) ((void) 0)
#endif
#if !defined(luai_threadyield)
#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);}
#define luai_threadyield(L) {lua_unlock(L); lua_lock(L);}
#endif
@ -201,11 +213,11 @@ typedef lu_int32 Instruction;
#endif
#if !defined(luai_userstateresume)
#define luai_userstateresume(L,n) ((void)L)
#define luai_userstateresume(L,n) ((void)L)
#endif
#if !defined(luai_userstateyield)
#define luai_userstateyield(L,n) ((void)L)
#define luai_userstateyield(L,n) ((void)L)
#endif