111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert** $Id: ldo.h,v 2.20.1.1 2013/04/12 18:48:47 roberto Exp $ 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert** Stack and Call structure of Lua 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert** See Copyright Notice in lua.h 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert*/ 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef ldo_h 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define ldo_h 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "lobject.h" 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "lstate.h" 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "lzio.h" 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define luaD_checkstack(L,n) if (L->stack_last - L->top <= (n)) \ 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert luaD_growstack(L, n); else condmovestack(L); 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define incr_top(L) {L->top++; luaD_checkstack(L,0);} 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define savestack(L,p) ((char *)(p) - (char *)L->stack) 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define restorestack(L,n) ((TValue *)((char *)L->stack + (n))) 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* type of protected functions, to be ran by `runprotected' */ 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef void (*Pfunc) (lua_State *L, void *ud); 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2911cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name, 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert const char *mode); 3111cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC void luaD_hook (lua_State *L, int event, int line); 3211cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults); 3311cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults, 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert int allowyield); 3511cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u, 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ptrdiff_t oldtop, ptrdiff_t ef); 3711cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult); 3811cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize); 3911cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC void luaD_growstack (lua_State *L, int n); 4011cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC void luaD_shrinkstack (lua_State *L); 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4211cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC l_noret luaD_throw (lua_State *L, int errcode); 4311cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertLUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud); 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert