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comparison src/lua/ldo.h @ 11:27763b933818

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raise lua sources up one level
author Robert McIntyre <rlm@mit.edu>
date Sat, 03 Mar 2012 11:07:39 -0600
parents src/lua/src/ldo.h@f9f4f1b99eed
children
comparison
equal deleted inserted replaced
10:48b74a4e4692 11:27763b933818
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' */
38 typedef void (*Pfunc) (lua_State *L, void *ud);
39
40 LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name);
41 LUAI_FUNC void luaD_callhook (lua_State *L, int event, int line);
42 LUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults);
43 LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults);
44 LUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u,
45 ptrdiff_t oldtop, ptrdiff_t ef);
46 LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult);
47 LUAI_FUNC void luaD_reallocCI (lua_State *L, int newsize);
48 LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
49 LUAI_FUNC void luaD_growstack (lua_State *L, int n);
50
51 LUAI_FUNC void luaD_throw (lua_State *L, int errcode);
52 LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
53
54 LUAI_FUNC void luaD_seterrorobj (lua_State *L, int errcode, StkId oldtop);
55
56 #endif
57