external/mit/lua/dist/src/lapi.h

   1 /*      $NetBSD: lapi.h,v 1.4 2015/10/08 13:21:00 mbalmer Exp $ */
   2
   3 /*
   4 ** Id: lapi.h,v 2.9 2015/03/06 19:49:50 roberto Exp
   5 ** Auxiliary functions from Lua API
   6 ** See Copyright Notice in lua.h
   7 */
   8
   9 #ifndef lapi_h
  10 #define lapi_h
  11
  12
  13 #include "llimits.h"
  14 #include "lstate.h"
  15
  16 #define api_incr_top(L)   {L->top++; api_check(L, L->top <= L->ci->top, \
  17                                 "stack overflow");}
  18
  19 #define adjustresults(L,nres) \
  20     { if ((nres) == LUA_MULTRET && L->ci->top < L->top) L->ci->top = L->top; }
  21
  22 #define api_checknelems(L,n)    api_check(L, (n) < (L->top - L->ci->func), \
  23                                   "not enough elements in the stack")
  24
  25
  26 #endif