1 /*

     2 ** $Id: lvm.h,v 2.5.1.1 2007/12/27 13:02:25 roberto Exp $

     3 ** Lua virtual machine

     4 ** See Copyright Notice in lua.h

     5 */

     6 

     7 #ifndef lvm_h

     8 #define lvm_h

     9 

    10 

    11 #include "ldo.h"

    12 #include "lobject.h"

    13 #include "ltm.h"

    14 

    15 

    16 #define tostring(L,o) ((ttype(o) == LUA_TSTRING) || (luaV_tostring(L, o)))

    17 

    18 #define tonumber(o,n)	(ttype(o) == LUA_TNUMBER || \

    19                          (((o) = luaV_tonumber(o,n)) != NULL))

    20 

    21 #define equalobj(L,o1,o2) \

    22 	(ttype(o1) == ttype(o2) && luaV_equalval(L, o1, o2))

    23 

    24 

    25 LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);

    26 LUAI_FUNC int luaV_equalval (lua_State *L, const TValue *t1, const TValue *t2);

    27 LUAI_FUNC const TValue *luaV_tonumber (const TValue *obj, TValue *n);

    28 LUAI_FUNC int luaV_tostring (lua_State *L, StkId obj);

    29 LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key,

    30                                             StkId val);

    31 LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key,

    32                                             StkId val);

    33 LUAI_FUNC void luaV_execute (lua_State *L, int nexeccalls);

    34 LUAI_FUNC void luaV_concat (lua_State *L, int total, int last);

    35 

    36 #endif