diff src/lua/lua.h @ 11:27763b933818

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/lua.h@f9f4f1b99eed
children
line wrap: on
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/lua/lua.h	Sat Mar 03 11:07:39 2012 -0600
     1.3 @@ -0,0 +1,388 @@
     1.4 +/*
     1.5 +** $Id: lua.h,v 1.218.1.5 2008/08/06 13:30:12 roberto Exp $
     1.6 +** Lua - An Extensible Extension Language
     1.7 +** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
     1.8 +** See Copyright Notice at the end of this file
     1.9 +*/
    1.10 +
    1.11 +
    1.12 +#ifndef lua_h
    1.13 +#define lua_h
    1.14 +
    1.15 +#include <stdarg.h>
    1.16 +#include <stddef.h>
    1.17 +
    1.18 +
    1.19 +#include "luaconf.h"
    1.20 +
    1.21 +
    1.22 +#define LUA_VERSION	"Lua 5.1"
    1.23 +#define LUA_RELEASE	"Lua 5.1.4"
    1.24 +#define LUA_VERSION_NUM	501
    1.25 +#define LUA_COPYRIGHT	"Copyright (C) 1994-2008 Lua.org, PUC-Rio"
    1.26 +#define LUA_AUTHORS 	"R. Ierusalimschy, L. H. de Figueiredo & W. Celes"
    1.27 +
    1.28 +
    1.29 +/* mark for precompiled code (`<esc>Lua') */
    1.30 +#define	LUA_SIGNATURE	"\033Lua"
    1.31 +
    1.32 +/* option for multiple returns in `lua_pcall' and `lua_call' */
    1.33 +#define LUA_MULTRET	(-1)
    1.34 +
    1.35 +
    1.36 +/*
    1.37 +** pseudo-indices
    1.38 +*/
    1.39 +#define LUA_REGISTRYINDEX	(-10000)
    1.40 +#define LUA_ENVIRONINDEX	(-10001)
    1.41 +#define LUA_GLOBALSINDEX	(-10002)
    1.42 +#define lua_upvalueindex(i)	(LUA_GLOBALSINDEX-(i))
    1.43 +
    1.44 +
    1.45 +/* thread status; 0 is OK */
    1.46 +#define LUA_YIELD	1
    1.47 +#define LUA_ERRRUN	2
    1.48 +#define LUA_ERRSYNTAX	3
    1.49 +#define LUA_ERRMEM	4
    1.50 +#define LUA_ERRERR	5
    1.51 +
    1.52 +
    1.53 +typedef struct lua_State lua_State;
    1.54 +
    1.55 +typedef int (*lua_CFunction) (lua_State *L);
    1.56 +
    1.57 +
    1.58 +/*
    1.59 +** functions that read/write blocks when loading/dumping Lua chunks
    1.60 +*/
    1.61 +typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);
    1.62 +
    1.63 +typedef int (*lua_Writer) (lua_State *L, const void* p, size_t sz, void* ud);
    1.64 +
    1.65 +
    1.66 +/*
    1.67 +** prototype for memory-allocation functions
    1.68 +*/
    1.69 +typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
    1.70 +
    1.71 +
    1.72 +/*
    1.73 +** basic types
    1.74 +*/
    1.75 +#define LUA_TNONE		(-1)
    1.76 +
    1.77 +#define LUA_TNIL		0
    1.78 +#define LUA_TBOOLEAN		1
    1.79 +#define LUA_TLIGHTUSERDATA	2
    1.80 +#define LUA_TNUMBER		3
    1.81 +#define LUA_TSTRING		4
    1.82 +#define LUA_TTABLE		5
    1.83 +#define LUA_TFUNCTION		6
    1.84 +#define LUA_TUSERDATA		7
    1.85 +#define LUA_TTHREAD		8
    1.86 +
    1.87 +
    1.88 +
    1.89 +/* minimum Lua stack available to a C function */
    1.90 +#define LUA_MINSTACK	20
    1.91 +
    1.92 +
    1.93 +/*
    1.94 +** generic extra include file
    1.95 +*/
    1.96 +#if defined(LUA_USER_H)
    1.97 +#include LUA_USER_H
    1.98 +#endif
    1.99 +
   1.100 +
   1.101 +/* type of numbers in Lua */
   1.102 +typedef LUA_NUMBER lua_Number;
   1.103 +
   1.104 +
   1.105 +/* type for integer functions */
   1.106 +typedef LUA_INTEGER lua_Integer;
   1.107 +
   1.108 +
   1.109 +
   1.110 +/*
   1.111 +** state manipulation
   1.112 +*/
   1.113 +LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud);
   1.114 +LUA_API void       (lua_close) (lua_State *L);
   1.115 +LUA_API lua_State *(lua_newthread) (lua_State *L);
   1.116 +
   1.117 +LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf);
   1.118 +
   1.119 +
   1.120 +/*
   1.121 +** basic stack manipulation
   1.122 +*/
   1.123 +LUA_API int   (lua_gettop) (lua_State *L);
   1.124 +LUA_API void  (lua_settop) (lua_State *L, int idx);
   1.125 +LUA_API void  (lua_pushvalue) (lua_State *L, int idx);
   1.126 +LUA_API void  (lua_remove) (lua_State *L, int idx);
   1.127 +LUA_API void  (lua_insert) (lua_State *L, int idx);
   1.128 +LUA_API void  (lua_replace) (lua_State *L, int idx);
   1.129 +LUA_API int   (lua_checkstack) (lua_State *L, int sz);
   1.130 +
   1.131 +LUA_API void  (lua_xmove) (lua_State *from, lua_State *to, int n);
   1.132 +
   1.133 +
   1.134 +/*
   1.135 +** access functions (stack -> C)
   1.136 +*/
   1.137 +
   1.138 +LUA_API int             (lua_isnumber) (lua_State *L, int idx);
   1.139 +LUA_API int             (lua_isstring) (lua_State *L, int idx);
   1.140 +LUA_API int             (lua_iscfunction) (lua_State *L, int idx);
   1.141 +LUA_API int             (lua_isuserdata) (lua_State *L, int idx);
   1.142 +LUA_API int             (lua_type) (lua_State *L, int idx);
   1.143 +LUA_API const char     *(lua_typename) (lua_State *L, int tp);
   1.144 +
   1.145 +LUA_API int            (lua_equal) (lua_State *L, int idx1, int idx2);
   1.146 +LUA_API int            (lua_rawequal) (lua_State *L, int idx1, int idx2);
   1.147 +LUA_API int            (lua_lessthan) (lua_State *L, int idx1, int idx2);
   1.148 +
   1.149 +LUA_API lua_Number      (lua_tonumber) (lua_State *L, int idx);
   1.150 +LUA_API lua_Integer     (lua_tointeger) (lua_State *L, int idx);
   1.151 +LUA_API int             (lua_toboolean) (lua_State *L, int idx);
   1.152 +LUA_API const char     *(lua_tolstring) (lua_State *L, int idx, size_t *len);
   1.153 +LUA_API size_t          (lua_objlen) (lua_State *L, int idx);
   1.154 +LUA_API lua_CFunction   (lua_tocfunction) (lua_State *L, int idx);
   1.155 +LUA_API void	       *(lua_touserdata) (lua_State *L, int idx);
   1.156 +LUA_API lua_State      *(lua_tothread) (lua_State *L, int idx);
   1.157 +LUA_API const void     *(lua_topointer) (lua_State *L, int idx);
   1.158 +
   1.159 +
   1.160 +/*
   1.161 +** push functions (C -> stack)
   1.162 +*/
   1.163 +LUA_API void  (lua_pushnil) (lua_State *L);
   1.164 +LUA_API void  (lua_pushnumber) (lua_State *L, lua_Number n);
   1.165 +LUA_API void  (lua_pushinteger) (lua_State *L, lua_Integer n);
   1.166 +LUA_API void  (lua_pushlstring) (lua_State *L, const char *s, size_t l);
   1.167 +LUA_API void  (lua_pushstring) (lua_State *L, const char *s);
   1.168 +LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt,
   1.169 +                                                      va_list argp);
   1.170 +LUA_API const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...);
   1.171 +LUA_API void  (lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n);
   1.172 +LUA_API void  (lua_pushboolean) (lua_State *L, int b);
   1.173 +LUA_API void  (lua_pushlightuserdata) (lua_State *L, void *p);
   1.174 +LUA_API int   (lua_pushthread) (lua_State *L);
   1.175 +
   1.176 +
   1.177 +/*
   1.178 +** get functions (Lua -> stack)
   1.179 +*/
   1.180 +LUA_API void  (lua_gettable) (lua_State *L, int idx);
   1.181 +LUA_API void  (lua_getfield) (lua_State *L, int idx, const char *k);
   1.182 +LUA_API void  (lua_rawget) (lua_State *L, int idx);
   1.183 +LUA_API void  (lua_rawgeti) (lua_State *L, int idx, int n);
   1.184 +LUA_API void  (lua_createtable) (lua_State *L, int narr, int nrec);
   1.185 +LUA_API void *(lua_newuserdata) (lua_State *L, size_t sz);
   1.186 +LUA_API int   (lua_getmetatable) (lua_State *L, int objindex);
   1.187 +LUA_API void  (lua_getfenv) (lua_State *L, int idx);
   1.188 +
   1.189 +
   1.190 +/*
   1.191 +** set functions (stack -> Lua)
   1.192 +*/
   1.193 +LUA_API void  (lua_settable) (lua_State *L, int idx);
   1.194 +LUA_API void  (lua_setfield) (lua_State *L, int idx, const char *k);
   1.195 +LUA_API void  (lua_rawset) (lua_State *L, int idx);
   1.196 +LUA_API void  (lua_rawseti) (lua_State *L, int idx, int n);
   1.197 +LUA_API int   (lua_setmetatable) (lua_State *L, int objindex);
   1.198 +LUA_API int   (lua_setfenv) (lua_State *L, int idx);
   1.199 +
   1.200 +
   1.201 +/*
   1.202 +** `load' and `call' functions (load and run Lua code)
   1.203 +*/
   1.204 +LUA_API void  (lua_call) (lua_State *L, int nargs, int nresults);
   1.205 +LUA_API int   (lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc);
   1.206 +LUA_API int   (lua_cpcall) (lua_State *L, lua_CFunction func, void *ud);
   1.207 +LUA_API int   (lua_load) (lua_State *L, lua_Reader reader, void *dt,
   1.208 +                                        const char *chunkname);
   1.209 +
   1.210 +LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data);
   1.211 +
   1.212 +
   1.213 +/*
   1.214 +** coroutine functions
   1.215 +*/
   1.216 +LUA_API int  (lua_yield) (lua_State *L, int nresults);
   1.217 +LUA_API int  (lua_resume) (lua_State *L, int narg);
   1.218 +LUA_API int  (lua_status) (lua_State *L);
   1.219 +
   1.220 +/*
   1.221 +** garbage-collection function and options
   1.222 +*/
   1.223 +
   1.224 +#define LUA_GCSTOP		0
   1.225 +#define LUA_GCRESTART		1
   1.226 +#define LUA_GCCOLLECT		2
   1.227 +#define LUA_GCCOUNT		3
   1.228 +#define LUA_GCCOUNTB		4
   1.229 +#define LUA_GCSTEP		5
   1.230 +#define LUA_GCSETPAUSE		6
   1.231 +#define LUA_GCSETSTEPMUL	7
   1.232 +
   1.233 +LUA_API int (lua_gc) (lua_State *L, int what, int data);
   1.234 +
   1.235 +
   1.236 +/*
   1.237 +** miscellaneous functions
   1.238 +*/
   1.239 +
   1.240 +LUA_API int   (lua_error) (lua_State *L);
   1.241 +
   1.242 +LUA_API int   (lua_next) (lua_State *L, int idx);
   1.243 +
   1.244 +LUA_API void  (lua_concat) (lua_State *L, int n);
   1.245 +
   1.246 +LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud);
   1.247 +LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud);
   1.248 +
   1.249 +
   1.250 +
   1.251 +/* 
   1.252 +** ===============================================================
   1.253 +** some useful macros
   1.254 +** ===============================================================
   1.255 +*/
   1.256 +
   1.257 +#define lua_pop(L,n)		lua_settop(L, -(n)-1)
   1.258 +
   1.259 +#define lua_newtable(L)		lua_createtable(L, 0, 0)
   1.260 +
   1.261 +#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n)))
   1.262 +
   1.263 +#define lua_pushcfunction(L,f)	lua_pushcclosure(L, (f), 0)
   1.264 +
   1.265 +#define lua_strlen(L,i)		lua_objlen(L, (i))
   1.266 +
   1.267 +#define lua_isfunction(L,n)	(lua_type(L, (n)) == LUA_TFUNCTION)
   1.268 +#define lua_istable(L,n)	(lua_type(L, (n)) == LUA_TTABLE)
   1.269 +#define lua_islightuserdata(L,n)	(lua_type(L, (n)) == LUA_TLIGHTUSERDATA)
   1.270 +#define lua_isnil(L,n)		(lua_type(L, (n)) == LUA_TNIL)
   1.271 +#define lua_isboolean(L,n)	(lua_type(L, (n)) == LUA_TBOOLEAN)
   1.272 +#define lua_isthread(L,n)	(lua_type(L, (n)) == LUA_TTHREAD)
   1.273 +#define lua_isnone(L,n)		(lua_type(L, (n)) == LUA_TNONE)
   1.274 +#define lua_isnoneornil(L, n)	(lua_type(L, (n)) <= 0)
   1.275 +
   1.276 +#define lua_pushliteral(L, s)	\
   1.277 +	lua_pushlstring(L, "" s, (sizeof(s)/sizeof(char))-1)
   1.278 +
   1.279 +#define lua_setglobal(L,s)	lua_setfield(L, LUA_GLOBALSINDEX, (s))
   1.280 +#define lua_getglobal(L,s)	lua_getfield(L, LUA_GLOBALSINDEX, (s))
   1.281 +
   1.282 +#define lua_tostring(L,i)	lua_tolstring(L, (i), NULL)
   1.283 +
   1.284 +
   1.285 +
   1.286 +/*
   1.287 +** compatibility macros and functions
   1.288 +*/
   1.289 +
   1.290 +#define lua_open()	luaL_newstate()
   1.291 +
   1.292 +#define lua_getregistry(L)	lua_pushvalue(L, LUA_REGISTRYINDEX)
   1.293 +
   1.294 +#define lua_getgccount(L)	lua_gc(L, LUA_GCCOUNT, 0)
   1.295 +
   1.296 +#define lua_Chunkreader		lua_Reader
   1.297 +#define lua_Chunkwriter		lua_Writer
   1.298 +
   1.299 +
   1.300 +/* hack */
   1.301 +LUA_API void lua_setlevel	(lua_State *from, lua_State *to);
   1.302 +
   1.303 +
   1.304 +/*
   1.305 +** {======================================================================
   1.306 +** Debug API
   1.307 +** =======================================================================
   1.308 +*/
   1.309 +
   1.310 +
   1.311 +/*
   1.312 +** Event codes
   1.313 +*/
   1.314 +#define LUA_HOOKCALL	0
   1.315 +#define LUA_HOOKRET	1
   1.316 +#define LUA_HOOKLINE	2
   1.317 +#define LUA_HOOKCOUNT	3
   1.318 +#define LUA_HOOKTAILRET 4
   1.319 +
   1.320 +
   1.321 +/*
   1.322 +** Event masks
   1.323 +*/
   1.324 +#define LUA_MASKCALL	(1 << LUA_HOOKCALL)
   1.325 +#define LUA_MASKRET	(1 << LUA_HOOKRET)
   1.326 +#define LUA_MASKLINE	(1 << LUA_HOOKLINE)
   1.327 +#define LUA_MASKCOUNT	(1 << LUA_HOOKCOUNT)
   1.328 +
   1.329 +typedef struct lua_Debug lua_Debug;  /* activation record */
   1.330 +
   1.331 +
   1.332 +/* Functions to be called by the debuger in specific events */
   1.333 +typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);
   1.334 +
   1.335 +
   1.336 +LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar);
   1.337 +LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar);
   1.338 +LUA_API const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n);
   1.339 +LUA_API const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n);
   1.340 +LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n);
   1.341 +LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n);
   1.342 +
   1.343 +LUA_API int lua_sethook (lua_State *L, lua_Hook func, int mask, int count);
   1.344 +LUA_API lua_Hook lua_gethook (lua_State *L);
   1.345 +LUA_API int lua_gethookmask (lua_State *L);
   1.346 +LUA_API int lua_gethookcount (lua_State *L);
   1.347 +
   1.348 +
   1.349 +struct lua_Debug {
   1.350 +  int event;
   1.351 +  const char *name;	/* (n) */
   1.352 +  const char *namewhat;	/* (n) `global', `local', `field', `method' */
   1.353 +  const char *what;	/* (S) `Lua', `C', `main', `tail' */
   1.354 +  const char *source;	/* (S) */
   1.355 +  int currentline;	/* (l) */
   1.356 +  int nups;		/* (u) number of upvalues */
   1.357 +  int linedefined;	/* (S) */
   1.358 +  int lastlinedefined;	/* (S) */
   1.359 +  char short_src[LUA_IDSIZE]; /* (S) */
   1.360 +  /* private part */
   1.361 +  int i_ci;  /* active function */
   1.362 +};
   1.363 +
   1.364 +/* }====================================================================== */
   1.365 +
   1.366 +
   1.367 +/******************************************************************************
   1.368 +* Copyright (C) 1994-2008 Lua.org, PUC-Rio.  All rights reserved.
   1.369 +*
   1.370 +* Permission is hereby granted, free of charge, to any person obtaining
   1.371 +* a copy of this software and associated documentation files (the
   1.372 +* "Software"), to deal in the Software without restriction, including
   1.373 +* without limitation the rights to use, copy, modify, merge, publish,
   1.374 +* distribute, sublicense, and/or sell copies of the Software, and to
   1.375 +* permit persons to whom the Software is furnished to do so, subject to
   1.376 +* the following conditions:
   1.377 +*
   1.378 +* The above copyright notice and this permission notice shall be
   1.379 +* included in all copies or substantial portions of the Software.
   1.380 +*
   1.381 +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   1.382 +* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   1.383 +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   1.384 +* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   1.385 +* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   1.386 +* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   1.387 +* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   1.388 +******************************************************************************/
   1.389 +
   1.390 +
   1.391 +#endif