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  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
  37.