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   1 /*
   2 ** $Id: lvm.h,v 2.18 2013/01/08 14:06:55 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) (ttisstring(o) || (luaV_tostring(L, o)))
  17
  18 #define tonumber(o,n)   (ttisnumber(o) || (((o) = luaV_tonumber(o,n)) != NULL))
  19
  20 #define equalobj(L,o1,o2)  (ttisequal(o1, o2) && luaV_equalobj_(L, o1, o2))
  21
  22 #define luaV_rawequalobj(o1,o2)         equalobj(NULL,o1,o2)
  23
  24
  25 /* not to called directly */
  26 LUAI_FUNC int luaV_equalobj_ (lua_State *L, const TValue *t1, const TValue *t2);
  27
  28
  29 LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
  30 LUAI_FUNC int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r);
  31 LUAI_FUNC const TValue *luaV_tonumber (const TValue *obj, TValue *n);
  32 LUAI_FUNC int luaV_tostring (lua_State *L, StkId obj);
  33 LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key,
  34                                             StkId val);
  35 LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key,
  36                                             StkId val);
  37 LUAI_FUNC void luaV_finishOp (lua_State *L);
  38 LUAI_FUNC void luaV_execute (lua_State *L);
  39 LUAI_FUNC void luaV_concat (lua_State *L, int total);
  40 LUAI_FUNC void luaV_arith (lua_State *L, StkId ra, const TValue *rb,
  41                            const TValue *rc, TMS op);
  42 LUAI_FUNC void luaV_objlen (lua_State *L, StkId ra, const TValue *rb);
  43
  44 #endif