diff options
Diffstat (limited to 'lib/lua/include/lua.h')
-rw-r--r-- | lib/lua/include/lua.h | 301 |
1 files changed, 148 insertions, 153 deletions
diff --git a/lib/lua/include/lua.h b/lib/lua/include/lua.h index 8a9caf1..ee38746 100644 --- a/lib/lua/include/lua.h +++ b/lib/lua/include/lua.h @@ -1,8 +1,7 @@ /* -** $Id: lua.h,v 1.10 2007-07-25 16:54:32 pixel Exp $ +** $Id: lua.h,v 1.11 2007-07-27 10:05:53 pixel Exp $ ** Lua - An Extensible Extension Language -** Tecgraf: Computer Graphics Technology Group, PUC-Rio, Brazil -** http://www.lua.org mailto:info@lua.org +** Lua.org, PUC-Rio, Brazil (http://www.lua.org) ** See Copyright Notice at the end of this file */ @@ -13,15 +12,22 @@ #include <stdarg.h> #include <stddef.h> + +#include "luaconf.h" + #ifdef __cplusplus extern "C" { #endif -#define LUA_VERSION "Lua 5.0.3" -#define LUA_COPYRIGHT "Copyright (C) 1994-2006 Tecgraf, PUC-Rio" +#define LUA_VERSION "Lua 5.1" +#define LUA_RELEASE "Lua 5.1.2" +#define LUA_VERSION_NUM 501 +#define LUA_COPYRIGHT "Copyright (C) 1994-2007 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) @@ -31,13 +37,14 @@ extern "C" { ** pseudo-indices */ #define LUA_REGISTRYINDEX (-10000) -#define LUA_GLOBALSINDEX (-10001) +#define LUA_ENVIRONINDEX (-10001) +#define LUA_GLOBALSINDEX (-10002) #define lua_upvalueindex(i) (LUA_GLOBALSINDEX-(i)) -/* error codes for `lua_load' and `lua_pcall' */ -#define LUA_ERRRUN 1 -#define LUA_ERRFILE 2 +/* 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 @@ -51,26 +58,32 @@ typedef int (*lua_CFunction) (lua_State *L); /* ** functions that read/write blocks when loading/dumping Lua chunks */ -typedef const char * (*lua_Chunkreader) (lua_State *L, void *ud, size_t *sz); +typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz); -typedef int (*lua_Chunkwriter) (lua_State *L, const void* p, - size_t sz, void* ud); +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_TNONE (-1) -#define LUA_TNIL 0 -#define LUA_TBOOLEAN 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 +#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 */ @@ -80,149 +93,160 @@ typedef int (*lua_Chunkwriter) (lua_State *L, const void* p, /* ** generic extra include file */ -#ifdef LUA_USER_H +#if defined(LUA_USER_H) #include LUA_USER_H #endif /* type of numbers in Lua */ -#ifndef LUA_NUMBER -typedef double lua_Number; -#else typedef LUA_NUMBER lua_Number; -#endif -/* mark for all API functions */ -#ifndef LUA_API -#define LUA_API extern -#endif +/* type for integer functions */ +typedef LUA_INTEGER lua_Integer; + /* ** state manipulation */ -LUA_API lua_State *lua_open (void); -LUA_API void lua_close (lua_State *L); -LUA_API lua_State *lua_newthread (lua_State *L); +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); +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 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); +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_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 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 int lua_toboolean (lua_State *L, int idx); -LUA_API const char *lua_tostring (lua_State *L, int idx); -LUA_API size_t lua_strlen (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); +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_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 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_rawget (lua_State *L, int idx); -LUA_API void lua_rawgeti (lua_State *L, int idx, int n); -LUA_API void lua_newtable (lua_State *L); -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); +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_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); +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_Chunkreader reader, void *dt, - const char *chunkname); +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_Chunkwriter writer, void *data); +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_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 functions +** garbage-collection function and options */ -LUA_API int lua_getgcthreshold (lua_State *L); -LUA_API int lua_getgccount (lua_State *L); -LUA_API void lua_setgcthreshold (lua_State *L, int newthreshold); + +#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 const char *lua_version (void); +LUA_API int (lua_error) (lua_State *L); -LUA_API int lua_error (lua_State *L); +LUA_API int (lua_next) (lua_State *L, int idx); -LUA_API int lua_next (lua_State *L, int idx); +LUA_API void (lua_concat) (lua_State *L, int n); -LUA_API void lua_concat (lua_State *L, int n); +LUA_API void (lua_break) (lua_State *L); -LUA_API void lua_break (lua_State *L); +LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud); +LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud); @@ -232,79 +256,48 @@ LUA_API void lua_break (lua_State *L); ** =============================================================== */ -#define lua_boxpointer(L,u) \ - (*(void **)(lua_newuserdata(L, sizeof(void *))) = (u)) +#define lua_pop(L,n) lua_settop(L, -(n)-1) -#define lua_unboxpointer(L,i) (*(void **)(lua_touserdata(L, i))) +#define lua_newtable(L) lua_createtable(L, 0, 0) -#define lua_pop(L,n) lua_settop(L, -(n)-1) +#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n))) -#define lua_register(L,n,f) \ - (lua_pushstring(L, n), \ - lua_pushcfunction(L, f), \ - lua_settable(L, LUA_GLOBALSINDEX)) +#define lua_pushcfunction(L,f) lua_pushcclosure(L, (f), 0) -#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_isnone(L,n) (lua_type(L,n) == LUA_TNONE) -#define lua_isnoneornil(L, n) (lua_type(L,n) <= 0) +#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 */ - -LUA_API int lua_pushupvalues (lua_State *L); +#define lua_open() luaL_newstate() #define lua_getregistry(L) lua_pushvalue(L, LUA_REGISTRYINDEX) -#define lua_setglobal(L,s) \ - (lua_pushstring(L, s), lua_insert(L, -2), lua_settable(L, LUA_GLOBALSINDEX)) -#define lua_getglobal(L,s) \ - (lua_pushstring(L, s), lua_gettable(L, LUA_GLOBALSINDEX)) +#define lua_getgccount(L) lua_gc(L, LUA_GCCOUNT, 0) +#define lua_Chunkreader lua_Reader +#define lua_Chunkwriter lua_Writer -/* compatibility with ref system */ - -/* pre-defined references */ -#define LUA_NOREF (-2) -#define LUA_REFNIL (-1) - -#define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \ - (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0)) - -#define lua_unref(L,ref) luaL_unref(L, LUA_REGISTRYINDEX, (ref)) - -#define lua_getref(L,ref) lua_rawgeti(L, LUA_REGISTRYINDEX, ref) - - - -/* -** {====================================================================== -** useful definitions for Lua kernel and libraries -** ======================================================================= -*/ - -/* formats for Lua numbers */ -#ifndef LUA_NUMBER_SCAN -#define LUA_NUMBER_SCAN "%lf" -#endif - -#ifndef LUA_NUMBER_FMT -#define LUA_NUMBER_FMT "%.14g" -#endif - -/* }====================================================================== */ /* @@ -334,6 +327,8 @@ LUA_API int lua_pushupvalues (lua_State *L); 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); typedef int (*lua_CallWrap) (lua_State *L, lua_CFunction func); typedef void (*lua_ThreadHook) (lua_State *L, lua_State *L1); @@ -356,7 +351,6 @@ LUA_API lua_ThreadHook lua_setcreatehook (lua_State *L, lua_ThreadHook func); LUA_API lua_ThreadHook lua_setdestroyhook (lua_State *L, lua_ThreadHook func); -#define LUA_IDSIZE 60 struct lua_Debug { int event; @@ -367,6 +361,7 @@ struct lua_Debug { 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 */ @@ -380,7 +375,7 @@ struct lua_Debug { /****************************************************************************** -* Copyright (C) 1994-2006 Tecgraf, PUC-Rio. All rights reserved. +* Copyright (C) 1994-2007 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 |