lua/src/lvm.h

   1 /*
   2 ** $Id: lvm.h,v 2.5 2005/08/22 18:54:49 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