PageRenderTime 15ms CodeModel.GetById 9ms app.highlight 4ms RepoModel.GetById 1ms app.codeStats 0ms

/script_binding/lua/lua/ldo.h

http://ftk.googlecode.com/
C++ Header | 57 lines | 32 code | 18 blank | 7 comment | 2 complexity | 5944c62605bcc1d79caa49970aebeade MD5 | raw file
 1/*
 2** $Id: ldo.h,v 2.7.1.1 2007/12/27 13:02:25 roberto Exp $
 3** Stack and Call structure of Lua
 4** See Copyright Notice in lua.h
 5*/
 6
 7#ifndef ldo_h
 8#define ldo_h
 9
10
11#include "lobject.h"
12#include "lstate.h"
13#include "lzio.h"
14
15
16#define luaD_checkstack(L,n)	\
17  if ((char *)L->stack_last - (char *)L->top <= (n)*(int)sizeof(TValue)) \
18    luaD_growstack(L, n); \
19  else condhardstacktests(luaD_reallocstack(L, L->stacksize - EXTRA_STACK - 1));
20
21
22#define incr_top(L) {luaD_checkstack(L,1); L->top++;}
23
24#define savestack(L,p)		((char *)(p) - (char *)L->stack)
25#define restorestack(L,n)	((TValue *)((char *)L->stack + (n)))
26
27#define saveci(L,p)		((char *)(p) - (char *)L->base_ci)
28#define restoreci(L,n)		((CallInfo *)((char *)L->base_ci + (n)))
29
30
31/* results from luaD_precall */
32#define PCRLUA		0	/* initiated a call to a Lua function */
33#define PCRC		1	/* did a call to a C function */
34#define PCRYIELD	2	/* C funtion yielded */
35
36
37/* type of protected functions, to be ran by `runprotected' */
38typedef void (*Pfunc) (lua_State *L, void *ud);
39
40LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name);
41LUAI_FUNC void luaD_callhook (lua_State *L, int event, int line);
42LUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults);
43LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults);
44LUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u,
45                                        ptrdiff_t oldtop, ptrdiff_t ef);
46LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult);
47LUAI_FUNC void luaD_reallocCI (lua_State *L, int newsize);
48LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
49LUAI_FUNC void luaD_growstack (lua_State *L, int n);
50
51LUAI_FUNC void luaD_throw (lua_State *L, int errcode);
52LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
53
54LUAI_FUNC void luaD_seterrorobj (lua_State *L, int errcode, StkId oldtop);
55
56#endif
57