1*22ce4affSfengbojiang /* BEGIN CSTYLED */
2*22ce4affSfengbojiang /*
3*22ce4affSfengbojiang ** $Id: lapi.h,v 2.7.1.1 2013/04/12 18:48:47 roberto Exp $
4*22ce4affSfengbojiang ** Auxiliary functions from Lua API
5*22ce4affSfengbojiang ** See Copyright Notice in lua.h
6*22ce4affSfengbojiang */
7*22ce4affSfengbojiang 
8*22ce4affSfengbojiang #ifndef lapi_h
9*22ce4affSfengbojiang #define lapi_h
10*22ce4affSfengbojiang 
11*22ce4affSfengbojiang 
12*22ce4affSfengbojiang #include "llimits.h"
13*22ce4affSfengbojiang #include "lstate.h"
14*22ce4affSfengbojiang 
15*22ce4affSfengbojiang #define api_incr_top(L)   {L->top++; api_check(L, L->top <= L->ci->top, \
16*22ce4affSfengbojiang 				"stack overflow");}
17*22ce4affSfengbojiang 
18*22ce4affSfengbojiang #define adjustresults(L,nres) \
19*22ce4affSfengbojiang     { if ((nres) == LUA_MULTRET && L->ci->top < L->top) L->ci->top = L->top; }
20*22ce4affSfengbojiang 
21*22ce4affSfengbojiang #define api_checknelems(L,n)	api_check(L, (n) < (L->top - L->ci->func), \
22*22ce4affSfengbojiang 				  "not enough elements in the stack")
23*22ce4affSfengbojiang 
24*22ce4affSfengbojiang 
25*22ce4affSfengbojiang #endif
26*22ce4affSfengbojiang /* END CSTYLED */
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