ldo.h
上传用户:yisoukefu
上传日期:2020-08-09
资源大小:39506k
文件大小:2k
- /*
- ** $Id: ldo.h,v 2.7 2005/08/24 16:15:49 roberto Exp $
- ** Stack and Call structure of Lua
- ** See Copyright Notice in lua.h
- */
- #ifndef ldo_h
- #define ldo_h
- #include "lobject.h"
- #include "lstate.h"
- #include "lzio.h"
- #define luaD_checkstack(L,n)
- if ((char *)L->stack_last - (char *)L->top <= (n)*(int)sizeof(TValue))
- luaD_growstack(L, n);
- else condhardstacktests(luaD_reallocstack(L, L->stacksize - EXTRA_STACK - 1));
- #define incr_top(L) {luaD_checkstack(L,1); L->top++;}
- #define savestack(L,p) ((char *)(p) - (char *)L->stack)
- #define restorestack(L,n) ((TValue *)((char *)L->stack + (n)))
- #define saveci(L,p) ((char *)(p) - (char *)L->base_ci)
- #define restoreci(L,n) ((CallInfo *)((char *)L->base_ci + (n)))
- /* results from luaD_precall */
- #define PCRLUA 0 /* initiated a call to a Lua function */
- #define PCRC 1 /* did a call to a C function */
- #define PCRYIELD 2 /* C funtion yielded */
- /* type of protected functions, to be ran by `runprotected' */
- typedef void (*Pfunc) (lua_State *L, void *ud);
- LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name);
- LUAI_FUNC void luaD_callhook (lua_State *L, int event, int line);
- LUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults);
- LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults);
- LUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u,
- ptrdiff_t oldtop, ptrdiff_t ef);
- LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult);
- LUAI_FUNC void luaD_reallocCI (lua_State *L, int newsize);
- LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
- LUAI_FUNC void luaD_growstack (lua_State *L, int n);
- LUAI_FUNC void luaD_throw (lua_State *L, int errcode);
- LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
- LUAI_FUNC void luaD_seterrorobj (lua_State *L, int errcode, StkId oldtop);
- #endif