source/libs/lua52/lua52-src/src/lapi.h

   1 /*
   2 ** $Id: lapi.h,v 2.7.1.1 2013/04/12 18:48:47 roberto Exp $
   3 ** Auxiliary functions from Lua API
   4 ** See Copyright Notice in lua.h
   5 */
   6
   7 #ifndef lapi_h
   8 #define lapi_h
   9
  10
  11 #include "llimits.h"
  12 #include "lstate.h"
  13
  14 #define api_incr_top(L)   {L->top++; api_check(L, L->top <= L->ci->top, \
  15                                 "stack overflow");}
  16
  17 #define adjustresults(L,nres) \
  18     { if ((nres) == LUA_MULTRET && L->ci->top < L->top) L->ci->top = L->top; }
  19
  20 #define api_checknelems(L,n)    api_check(L, (n) < (L->top - L->ci->func), \
  21                                   "not enough elements in the stack")
  22
  23
  24 #endif