mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-15 06:08:35 +00:00
58b1c0cb5e
WARNING: Can't find following headers in User or System Include Paths "luaconf.h" "lua.h" "lua.h"
390 lines
11 KiB
C
390 lines
11 KiB
C
/*
|
|
** $Id$
|
|
** Lua - An Extensible Extension Language
|
|
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
|
|
** See Copyright Notice at the end of this file
|
|
*/
|
|
|
|
|
|
#ifndef lua_h
|
|
#define lua_h
|
|
|
|
#include "common/scummsys.h"
|
|
|
|
#include <stdarg.h>
|
|
#include <stddef.h>
|
|
|
|
|
|
#include "common/lua/luaconf.h"
|
|
|
|
|
|
#define LUA_VERSION "Lua 5.1"
|
|
#define LUA_RELEASE "Lua 5.1.3"
|
|
#define LUA_VERSION_NUM 501
|
|
#define LUA_COPYRIGHT "Copyright (C) 1994-2008 Lua.org, PUC-Rio"
|
|
#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo & W. Celes"
|
|
|
|
|
|
/* mark for precompiled code (`<esc>Lua') */
|
|
#define LUA_SIGNATURE "\033Lua"
|
|
|
|
/* option for multiple returns in `lua_pcall' and `lua_call' */
|
|
#define LUA_MULTRET (-1)
|
|
|
|
|
|
/*
|
|
** pseudo-indices
|
|
*/
|
|
#define LUA_REGISTRYINDEX (-10000)
|
|
#define LUA_ENVIRONINDEX (-10001)
|
|
#define LUA_GLOBALSINDEX (-10002)
|
|
#define lua_upvalueindex(i) (LUA_GLOBALSINDEX-(i))
|
|
|
|
|
|
/* thread status; 0 is OK */
|
|
#define LUA_YIELD 1
|
|
#define LUA_ERRRUN 2
|
|
#define LUA_ERRSYNTAX 3
|
|
#define LUA_ERRMEM 4
|
|
#define LUA_ERRERR 5
|
|
|
|
typedef struct lua_State lua_State;
|
|
|
|
typedef int (*lua_CFunction) (lua_State *L);
|
|
|
|
|
|
/*
|
|
** functions that read/write blocks when loading/dumping Lua chunks
|
|
*/
|
|
typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);
|
|
|
|
typedef int (*lua_Writer) (lua_State *L, const void* p, size_t sz, void* ud);
|
|
|
|
|
|
/*
|
|
** prototype for memory-allocation functions
|
|
*/
|
|
typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
|
|
|
|
|
|
/*
|
|
** basic types
|
|
*/
|
|
#define LUA_TNONE (-1)
|
|
|
|
#define LUA_TNIL 0
|
|
#define LUA_TBOOLEAN 1
|
|
#define LUA_TLIGHTUSERDATA 2
|
|
#define LUA_TNUMBER 3
|
|
#define LUA_TSTRING 4
|
|
#define LUA_TTABLE 5
|
|
#define LUA_TFUNCTION 6
|
|
#define LUA_TUSERDATA 7
|
|
#define LUA_TTHREAD 8
|
|
|
|
|
|
|
|
/* minimum Lua stack available to a C function */
|
|
#define LUA_MINSTACK 20
|
|
|
|
|
|
/*
|
|
** generic extra include file
|
|
*/
|
|
#if defined(LUA_USER_H)
|
|
#include LUA_USER_H
|
|
#endif
|
|
|
|
|
|
/* type of numbers in Lua */
|
|
typedef LUA_NUMBER lua_Number;
|
|
|
|
|
|
/* type for integer functions */
|
|
typedef LUA_INTEGER lua_Integer;
|
|
|
|
|
|
|
|
/*
|
|
** state manipulation
|
|
*/
|
|
LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud);
|
|
LUA_API void (lua_close) (lua_State *L);
|
|
LUA_API lua_State *(lua_newthread) (lua_State *L);
|
|
|
|
LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf);
|
|
|
|
|
|
/*
|
|
** basic stack manipulation
|
|
*/
|
|
LUA_API int (lua_gettop) (lua_State *L);
|
|
LUA_API void (lua_settop) (lua_State *L, int idx);
|
|
LUA_API void (lua_pushvalue) (lua_State *L, int idx);
|
|
LUA_API void (lua_remove) (lua_State *L, int idx);
|
|
LUA_API void (lua_insert) (lua_State *L, int idx);
|
|
LUA_API void (lua_replace) (lua_State *L, int idx);
|
|
LUA_API int (lua_checkstack) (lua_State *L, int sz);
|
|
|
|
LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n);
|
|
|
|
|
|
/*
|
|
** access functions (stack -> C)
|
|
*/
|
|
|
|
LUA_API int (lua_isnumber) (lua_State *L, int idx);
|
|
LUA_API int (lua_isstring) (lua_State *L, int idx);
|
|
LUA_API int (lua_iscfunction) (lua_State *L, int idx);
|
|
LUA_API int (lua_isuserdata) (lua_State *L, int idx);
|
|
LUA_API int (lua_type) (lua_State *L, int idx);
|
|
LUA_API const char *(lua_typename) (lua_State *L, int tp);
|
|
|
|
LUA_API int (lua_equal) (lua_State *L, int idx1, int idx2);
|
|
LUA_API int (lua_rawequal) (lua_State *L, int idx1, int idx2);
|
|
LUA_API int (lua_lessthan) (lua_State *L, int idx1, int idx2);
|
|
|
|
LUA_API lua_Number (lua_tonumber) (lua_State *L, int idx);
|
|
LUA_API lua_Integer (lua_tointeger) (lua_State *L, int idx);
|
|
LUA_API int (lua_toboolean) (lua_State *L, int idx);
|
|
LUA_API const char *(lua_tolstring) (lua_State *L, int idx, size_t *len);
|
|
LUA_API size_t (lua_objlen) (lua_State *L, int idx);
|
|
LUA_API lua_CFunction (lua_tocfunction) (lua_State *L, int idx);
|
|
LUA_API void *(lua_touserdata) (lua_State *L, int idx);
|
|
LUA_API lua_State *(lua_tothread) (lua_State *L, int idx);
|
|
LUA_API const void *(lua_topointer) (lua_State *L, int idx);
|
|
|
|
|
|
/*
|
|
** push functions (C -> stack)
|
|
*/
|
|
LUA_API void (lua_pushnil) (lua_State *L);
|
|
LUA_API void (lua_pushnumber) (lua_State *L, lua_Number n);
|
|
LUA_API void (lua_pushinteger) (lua_State *L, lua_Integer n);
|
|
LUA_API void (lua_pushlstring) (lua_State *L, const char *s, size_t l);
|
|
LUA_API void (lua_pushstring) (lua_State *L, const char *s);
|
|
LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt,
|
|
va_list argp);
|
|
LUA_API const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...);
|
|
LUA_API void (lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n);
|
|
LUA_API void (lua_pushboolean) (lua_State *L, int b);
|
|
LUA_API void (lua_pushlightuserdata) (lua_State *L, void *p);
|
|
LUA_API int (lua_pushthread) (lua_State *L);
|
|
|
|
|
|
/*
|
|
** get functions (Lua -> stack)
|
|
*/
|
|
LUA_API void (lua_gettable) (lua_State *L, int idx);
|
|
LUA_API void (lua_getfield) (lua_State *L, int idx, const char *k);
|
|
LUA_API void (lua_rawget) (lua_State *L, int idx);
|
|
LUA_API void (lua_rawgeti) (lua_State *L, int idx, int n);
|
|
LUA_API void (lua_createtable) (lua_State *L, int narr, int nrec);
|
|
LUA_API void *(lua_newuserdata) (lua_State *L, size_t sz);
|
|
LUA_API int (lua_getmetatable) (lua_State *L, int objindex);
|
|
LUA_API void (lua_getfenv) (lua_State *L, int idx);
|
|
|
|
|
|
/*
|
|
** set functions (stack -> Lua)
|
|
*/
|
|
LUA_API void (lua_settable) (lua_State *L, int idx);
|
|
LUA_API void (lua_setfield) (lua_State *L, int idx, const char *k);
|
|
LUA_API void (lua_rawset) (lua_State *L, int idx);
|
|
LUA_API void (lua_rawseti) (lua_State *L, int idx, int n);
|
|
LUA_API int (lua_setmetatable) (lua_State *L, int objindex);
|
|
LUA_API int (lua_setfenv) (lua_State *L, int idx);
|
|
|
|
|
|
/*
|
|
** `load' and `call' functions (load and run Lua code)
|
|
*/
|
|
LUA_API void (lua_call) (lua_State *L, int nargs, int nresults);
|
|
LUA_API int (lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc);
|
|
LUA_API int (lua_cpcall) (lua_State *L, lua_CFunction func, void *ud);
|
|
LUA_API int (lua_load) (lua_State *L, lua_Reader reader, void *dt,
|
|
const char *chunkname);
|
|
|
|
LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data);
|
|
|
|
|
|
/*
|
|
** coroutine functions
|
|
*/
|
|
LUA_API int (lua_yield) (lua_State *L, int nresults);
|
|
LUA_API int (lua_resume) (lua_State *L, int narg);
|
|
LUA_API int (lua_status) (lua_State *L);
|
|
|
|
/*
|
|
** garbage-collection function and options
|
|
*/
|
|
|
|
#define LUA_GCSTOP 0
|
|
#define LUA_GCRESTART 1
|
|
#define LUA_GCCOLLECT 2
|
|
#define LUA_GCCOUNT 3
|
|
#define LUA_GCCOUNTB 4
|
|
#define LUA_GCSTEP 5
|
|
#define LUA_GCSETPAUSE 6
|
|
#define LUA_GCSETSTEPMUL 7
|
|
|
|
LUA_API int (lua_gc) (lua_State *L, int what, int data);
|
|
|
|
|
|
/*
|
|
** miscellaneous functions
|
|
*/
|
|
|
|
LUA_API int (lua_error) (lua_State *L);
|
|
|
|
LUA_API int (lua_next) (lua_State *L, int idx);
|
|
|
|
LUA_API void (lua_concat) (lua_State *L, int n);
|
|
|
|
LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud);
|
|
LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud);
|
|
|
|
|
|
|
|
/*
|
|
** ===============================================================
|
|
** some useful macros
|
|
** ===============================================================
|
|
*/
|
|
|
|
#define lua_pop(L,n) lua_settop(L, -(n)-1)
|
|
|
|
#define lua_newtable(L) lua_createtable(L, 0, 0)
|
|
|
|
#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n)))
|
|
|
|
#define lua_pushcfunction(L,f) lua_pushcclosure(L, (f), 0)
|
|
|
|
#define lua_strlen(L,i) lua_objlen(L, (i))
|
|
|
|
#define lua_isfunction(L,n) (lua_type(L, (n)) == LUA_TFUNCTION)
|
|
#define lua_istable(L,n) (lua_type(L, (n)) == LUA_TTABLE)
|
|
#define lua_islightuserdata(L,n) (lua_type(L, (n)) == LUA_TLIGHTUSERDATA)
|
|
#define lua_isnil(L,n) (lua_type(L, (n)) == LUA_TNIL)
|
|
#define lua_isboolean(L,n) (lua_type(L, (n)) == LUA_TBOOLEAN)
|
|
#define lua_isthread(L,n) (lua_type(L, (n)) == LUA_TTHREAD)
|
|
#define lua_isnone(L,n) (lua_type(L, (n)) == LUA_TNONE)
|
|
#define lua_isnoneornil(L, n) (lua_type(L, (n)) <= 0)
|
|
|
|
#define lua_pushliteral(L, s) \
|
|
lua_pushlstring(L, "" s, (sizeof(s)/sizeof(char))-1)
|
|
|
|
#define lua_setglobal(L,s) lua_setfield(L, LUA_GLOBALSINDEX, (s))
|
|
#define lua_getglobal(L,s) lua_getfield(L, LUA_GLOBALSINDEX, (s))
|
|
|
|
#define lua_tostring(L,i) lua_tolstring(L, (i), NULL)
|
|
|
|
|
|
|
|
/*
|
|
** compatibility macros and functions
|
|
*/
|
|
|
|
#define lua_open() luaL_newstate()
|
|
|
|
#define lua_getregistry(L) lua_pushvalue(L, LUA_REGISTRYINDEX)
|
|
|
|
#define lua_getgccount(L) lua_gc(L, LUA_GCCOUNT, 0)
|
|
|
|
#define lua_Chunkreader lua_Reader
|
|
#define lua_Chunkwriter lua_Writer
|
|
|
|
|
|
/* hack */
|
|
LUA_API void lua_setlevel (lua_State *from, lua_State *to);
|
|
|
|
|
|
/*
|
|
** {======================================================================
|
|
** Debug API
|
|
** =======================================================================
|
|
*/
|
|
|
|
|
|
/*
|
|
** Event codes
|
|
*/
|
|
#define LUA_HOOKCALL 0
|
|
#define LUA_HOOKRET 1
|
|
#define LUA_HOOKLINE 2
|
|
#define LUA_HOOKCOUNT 3
|
|
#define LUA_HOOKTAILRET 4
|
|
|
|
|
|
/*
|
|
** Event masks
|
|
*/
|
|
#define LUA_MASKCALL (1 << LUA_HOOKCALL)
|
|
#define LUA_MASKRET (1 << LUA_HOOKRET)
|
|
#define LUA_MASKLINE (1 << LUA_HOOKLINE)
|
|
#define LUA_MASKCOUNT (1 << LUA_HOOKCOUNT)
|
|
|
|
typedef struct lua_Debug lua_Debug; /* activation record */
|
|
|
|
|
|
/* Functions to be called by the debuger in specific events */
|
|
typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);
|
|
|
|
|
|
LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar);
|
|
LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar);
|
|
LUA_API const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n);
|
|
LUA_API const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n);
|
|
LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n);
|
|
LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n);
|
|
|
|
LUA_API int lua_sethook (lua_State *L, lua_Hook func, int mask, int count);
|
|
LUA_API lua_Hook lua_gethook (lua_State *L);
|
|
LUA_API int lua_gethookmask (lua_State *L);
|
|
LUA_API int lua_gethookcount (lua_State *L);
|
|
|
|
|
|
struct lua_Debug {
|
|
int event;
|
|
const char *name; /* (n) */
|
|
const char *namewhat; /* (n) `global', `local', `field', `method' */
|
|
const char *what; /* (S) `Lua', `C', `main', `tail' */
|
|
const char *source; /* (S) */
|
|
int currentline; /* (l) */
|
|
int nups; /* (u) number of upvalues */
|
|
int linedefined; /* (S) */
|
|
int lastlinedefined; /* (S) */
|
|
char short_src[LUA_IDSIZE]; /* (S) */
|
|
/* private part */
|
|
int i_ci; /* active function */
|
|
};
|
|
|
|
/* }====================================================================== */
|
|
|
|
|
|
/******************************************************************************
|
|
* Copyright (C) 1994-2008 Lua.org, PUC-Rio. All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
******************************************************************************/
|
|
|
|
|
|
#endif
|