1997-09-16 12:25:59 -07:00
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/*
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2009-11-19 08:24:41 -08:00
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** $Id: ldo.h,v 2.15 2009/07/15 17:26:14 roberto Exp roberto $
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1997-09-16 12:25:59 -07:00
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** Stack and Call structure of Lua
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** See Copyright Notice in lua.h
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*/
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#ifndef ldo_h
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#define ldo_h
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#include "lobject.h"
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1997-11-19 09:29:23 -08:00
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#include "lstate.h"
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2002-04-22 07:40:50 -07:00
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#include "lzio.h"
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1997-09-16 12:25:59 -07:00
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2009-07-08 09:06:51 -07:00
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#define luaD_checkstack(L,n) if (L->stack_last - L->top <= (n)) \
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luaD_growstack(L, n); else condmovestack(L);
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2002-11-21 09:19:11 -08:00
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2002-03-20 04:52:32 -08:00
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2006-07-11 08:53:29 -07:00
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#define incr_top(L) {L->top++; luaD_checkstack(L,0);}
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2002-11-21 08:46:16 -08:00
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2002-03-20 04:52:32 -08:00
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#define savestack(L,p) ((char *)(p) - (char *)L->stack)
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2003-12-10 04:13:36 -08:00
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#define restorestack(L,n) ((TValue *)((char *)L->stack + (n)))
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2001-06-05 12:41:24 -07:00
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2002-04-22 07:40:50 -07:00
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/* type of protected functions, to be ran by `runprotected' */
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2002-08-05 10:36:24 -07:00
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typedef void (*Pfunc) (lua_State *L, void *ud);
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2002-04-22 07:40:50 -07:00
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2005-04-25 12:24:10 -07:00
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LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name);
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LUAI_FUNC void luaD_callhook (lua_State *L, int event, int line);
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LUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults);
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2009-03-10 10:14:37 -07:00
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LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults,
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int allowyield);
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2005-04-25 12:24:10 -07:00
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LUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u,
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ptrdiff_t oldtop, ptrdiff_t ef);
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2005-08-22 11:54:49 -07:00
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LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult);
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2005-04-25 12:24:10 -07:00
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LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
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LUAI_FUNC void luaD_growstack (lua_State *L, int n);
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2009-07-15 10:26:14 -07:00
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LUAI_FUNC void luaD_shrinkstack (lua_State *L);
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1997-09-16 12:25:59 -07:00
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2005-04-25 12:24:10 -07:00
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LUAI_FUNC void luaD_throw (lua_State *L, int errcode);
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LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
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2000-09-25 09:22:42 -07:00
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2008-07-03 07:24:36 -07:00
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/* exported for Coco */
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2005-08-22 12:58:29 -07:00
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LUAI_FUNC void luaD_seterrorobj (lua_State *L, int errcode, StkId oldtop);
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1997-09-16 12:25:59 -07:00
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#endif
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2005-04-25 12:24:10 -07:00
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