A modern Music Player Daemon based on Rockbox open source high quality audio player
tsiry-sandratraina.com
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/*
2** $Id: lua.h,v 1.218.1.7 2012/01/13 20:36:20 roberto Exp $
3** Lua - An Extensible Extension Language
4** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
5** See Copyright Notice at the end of this file
6*/
7
8
9#ifndef lua_h
10#define lua_h
11
12#include <stdarg.h>
13#include <stddef.h>
14
15
16#include "luaconf.h"
17
18
19#define LUA_VERSION "Lua 5.1"
20#define LUA_RELEASE "Lua 5.1.5"
21#define LUA_VERSION_NUM 501
22#define LUA_COPYRIGHT "Copyright (C) 1994-2012 Lua.org, PUC-Rio"
23#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo & W. Celes"
24
25
26/* mark for precompiled code (`<esc>Lua') */
27#define LUA_SIGNATURE "\033Lua"
28
29/* option for multiple returns in `lua_pcall' and `lua_call' */
30#define LUA_MULTRET (-1)
31
32
33/*
34** pseudo-indices
35*/
36#define LUA_REGISTRYINDEX (-10000)
37#define LUA_ENVIRONINDEX (-10001)
38#define LUA_GLOBALSINDEX (-10002)
39#define lua_upvalueindex(i) (LUA_GLOBALSINDEX-(i))
40
41
42/* thread status; 0 is OK */
43#define LUA_YIELD 1
44#define LUA_ERRRUN 2
45#define LUA_ERRSYNTAX 3
46#define LUA_ERRMEM 4
47#define LUA_ERRERR 5
48
49
50typedef struct lua_State lua_State;
51
52typedef int (*lua_CFunction) (lua_State *L);
53
54
55/*
56** functions that read/write blocks when loading/dumping Lua chunks
57*/
58typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);
59
60typedef int (*lua_Writer) (lua_State *L, const void* p, size_t sz, void* ud);
61
62
63/*
64** prototype for memory-allocation functions
65*/
66typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
67
68
69/*
70** basic types
71*/
72#define LUA_TNONE (-1)
73
74#define LUA_TNIL 0
75#define LUA_TBOOLEAN 1
76#define LUA_TLIGHTUSERDATA 2
77#define LUA_TNUMBER 3
78#define LUA_TSTRING 4
79#define LUA_TTABLE 5
80#define LUA_TFUNCTION 6
81#define LUA_TUSERDATA 7
82#define LUA_TTHREAD 8
83
84
85
86/* minimum Lua stack available to a C function */
87#define LUA_MINSTACK 20
88
89
90/*
91** generic extra include file
92*/
93#if defined(LUA_USER_H)
94#include LUA_USER_H
95#endif
96
97#if defined(LUA_OPTIMIZE_DEBUG) && LUA_OPTIMIZE_DEBUG == 0
98#undef LUA_OPTIMIZE_DEBUG
99#endif
100
101/* type of numbers in Lua */
102typedef LUA_NUMBER lua_Number;
103
104
105/* type for integer functions */
106typedef LUA_INTEGER lua_Integer;
107
108
109
110/*
111** state manipulation
112*/
113LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud);
114LUA_API void (lua_close) (lua_State *L);
115LUA_API lua_State *(lua_newthread) (lua_State *L);
116
117LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf);
118
119
120/*
121** basic stack manipulation
122*/
123LUA_API int (lua_gettop) (lua_State *L);
124LUA_API void (lua_settop) (lua_State *L, int idx);
125LUA_API void (lua_pushvalue) (lua_State *L, int idx);
126LUA_API void (lua_remove) (lua_State *L, int idx);
127LUA_API void (lua_insert) (lua_State *L, int idx);
128LUA_API void (lua_replace) (lua_State *L, int idx);
129LUA_API int (lua_checkstack) (lua_State *L, int sz);
130
131LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n);
132
133
134/*
135** access functions (stack -> C)
136*/
137
138LUA_API int (lua_isnumber) (lua_State *L, int idx);
139LUA_API int (lua_isstring) (lua_State *L, int idx);
140LUA_API int (lua_iscfunction) (lua_State *L, int idx);
141LUA_API int (lua_isuserdata) (lua_State *L, int idx);
142LUA_API int (lua_type) (lua_State *L, int idx);
143LUA_API const char *(lua_typename) (lua_State *L, int tp);
144
145LUA_API int (lua_equal) (lua_State *L, int idx1, int idx2);
146LUA_API int (lua_rawequal) (lua_State *L, int idx1, int idx2);
147LUA_API int (lua_lessthan) (lua_State *L, int idx1, int idx2);
148
149LUA_API lua_Number (lua_tonumber) (lua_State *L, int idx);
150LUA_API lua_Integer (lua_tointeger) (lua_State *L, int idx);
151LUA_API int (lua_toboolean) (lua_State *L, int idx);
152LUA_API const char *(lua_tolstring) (lua_State *L, int idx, size_t *len);
153LUA_API size_t (lua_objlen) (lua_State *L, int idx);
154LUA_API lua_CFunction (lua_tocfunction) (lua_State *L, int idx);
155LUA_API void *(lua_touserdata) (lua_State *L, int idx);
156LUA_API lua_State *(lua_tothread) (lua_State *L, int idx);
157LUA_API const void *(lua_topointer) (lua_State *L, int idx);
158
159
160/*
161** push functions (C -> stack)
162*/
163LUA_API void (lua_pushnil) (lua_State *L);
164LUA_API void (lua_pushnumber) (lua_State *L, lua_Number n);
165LUA_API void (lua_pushinteger) (lua_State *L, lua_Integer n);
166LUA_API void (lua_pushlstring) (lua_State *L, const char *s, size_t l);
167LUA_API void (lua_pushstring) (lua_State *L, const char *s);
168LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt,
169 va_list argp);
170LUA_API const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...);
171LUA_API void (lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n);
172LUA_API void (lua_pushboolean) (lua_State *L, int b);
173LUA_API void (lua_pushlightuserdata) (lua_State *L, void *p);
174LUA_API int (lua_pushthread) (lua_State *L);
175
176
177/*
178** get functions (Lua -> stack)
179*/
180LUA_API void (lua_gettable) (lua_State *L, int idx);
181LUA_API void (lua_getfield) (lua_State *L, int idx, const char *k);
182LUA_API void (lua_rawget) (lua_State *L, int idx);
183LUA_API void (lua_rawgeti) (lua_State *L, int idx, int n);
184LUA_API void (lua_createtable) (lua_State *L, int narr, int nrec);
185LUA_API void *(lua_newuserdata) (lua_State *L, size_t sz);
186LUA_API int (lua_getmetatable) (lua_State *L, int objindex);
187LUA_API void (lua_getfenv) (lua_State *L, int idx);
188
189
190/*
191** set functions (stack -> Lua)
192*/
193LUA_API void (lua_settable) (lua_State *L, int idx);
194LUA_API void (lua_setfield) (lua_State *L, int idx, const char *k);
195LUA_API void (lua_rawset) (lua_State *L, int idx);
196LUA_API void (lua_rawseti) (lua_State *L, int idx, int n);
197LUA_API int (lua_setmetatable) (lua_State *L, int objindex);
198LUA_API int (lua_setfenv) (lua_State *L, int idx);
199
200
201/*
202** `load' and `call' functions (load and run Lua code)
203*/
204LUA_API void (lua_call) (lua_State *L, int nargs, int nresults);
205LUA_API int (lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc);
206LUA_API int (lua_cpcall) (lua_State *L, lua_CFunction func, void *ud);
207LUA_API int (lua_load) (lua_State *L, lua_Reader reader, void *dt,
208 const char *chunkname);
209
210LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data);
211
212
213/*
214** coroutine functions
215*/
216LUA_API int (lua_yield) (lua_State *L, int nresults);
217LUA_API int (lua_resume) (lua_State *L, int narg);
218LUA_API int (lua_status) (lua_State *L);
219
220/*
221** garbage-collection function and options
222*/
223
224#define LUA_GCSTOP 0
225#define LUA_GCRESTART 1
226#define LUA_GCCOLLECT 2
227#define LUA_GCCOUNT 3
228#define LUA_GCCOUNTB 4
229#define LUA_GCSTEP 5
230#define LUA_GCSETPAUSE 6
231#define LUA_GCSETSTEPMUL 7
232
233LUA_API int (lua_gc) (lua_State *L, int what, int data);
234
235
236/*
237** miscellaneous functions
238*/
239
240LUA_API int (lua_error) (lua_State *L);
241
242LUA_API int (lua_next) (lua_State *L, int idx);
243
244LUA_API void (lua_concat) (lua_State *L, int n);
245
246LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud);
247LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud);
248
249
250
251/*
252** ===============================================================
253** some useful macros
254** ===============================================================
255*/
256
257#define lua_pop(L,n) lua_settop(L, -(n)-1)
258
259#define lua_newtable(L) lua_createtable(L, 0, 0)
260
261#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n)))
262
263#define lua_pushcfunction(L,f) lua_pushcclosure(L, (f), 0)
264
265#define lua_strlen(L,i) lua_objlen(L, (i))
266
267#define lua_isfunction(L,n) (lua_type(L, (n)) == LUA_TFUNCTION)
268#define lua_istable(L,n) (lua_type(L, (n)) == LUA_TTABLE)
269#define lua_islightuserdata(L,n) (lua_type(L, (n)) == LUA_TLIGHTUSERDATA)
270#define lua_isnil(L,n) (lua_type(L, (n)) == LUA_TNIL)
271#define lua_isboolean(L,n) (lua_type(L, (n)) == LUA_TBOOLEAN)
272#define lua_isthread(L,n) (lua_type(L, (n)) == LUA_TTHREAD)
273#define lua_isnone(L,n) (lua_type(L, (n)) == LUA_TNONE)
274#define lua_isnoneornil(L, n) (lua_type(L, (n)) <= 0)
275
276#define lua_pushliteral(L, s) \
277 lua_pushlstring(L, "" s, (sizeof(s)/sizeof(char))-1)
278
279#define lua_setglobal(L,s) lua_setfield(L, LUA_GLOBALSINDEX, (s))
280#define lua_getglobal(L,s) lua_getfield(L, LUA_GLOBALSINDEX, (s))
281
282#define lua_tostring(L,i) lua_tolstring(L, (i), NULL)
283
284
285
286/*
287** compatibility macros and functions
288*/
289
290#define lua_open() luaL_newstate()
291
292#define lua_getregistry(L) lua_pushvalue(L, LUA_REGISTRYINDEX)
293
294#define lua_getgccount(L) lua_gc(L, LUA_GCCOUNT, 0)
295
296#define lua_Chunkreader lua_Reader
297#define lua_Chunkwriter lua_Writer
298
299
300/* hack */
301LUA_API void lua_setlevel (lua_State *from, lua_State *to);
302
303
304/*
305** {======================================================================
306** Debug API
307** =======================================================================
308*/
309
310
311/*
312** Event codes
313*/
314#define LUA_HOOKCALL 0
315#define LUA_HOOKRET 1
316#define LUA_HOOKLINE 2
317#define LUA_HOOKCOUNT 3
318#define LUA_HOOKTAILRET 4
319
320
321/*
322** Event masks
323*/
324#define LUA_MASKCALL (1 << LUA_HOOKCALL)
325#define LUA_MASKRET (1 << LUA_HOOKRET)
326#define LUA_MASKLINE (1 << LUA_HOOKLINE)
327#define LUA_MASKCOUNT (1 << LUA_HOOKCOUNT)
328
329typedef struct lua_Debug lua_Debug; /* activation record */
330
331
332/* Functions to be called by the debuger in specific events */
333typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);
334
335
336LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar);
337LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar);
338LUA_API const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n);
339LUA_API const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n);
340LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n);
341LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n);
342
343LUA_API int lua_sethook (lua_State *L, lua_Hook func, int mask, int count);
344LUA_API lua_Hook lua_gethook (lua_State *L);
345LUA_API int lua_gethookmask (lua_State *L);
346LUA_API int lua_gethookcount (lua_State *L);
347
348
349struct lua_Debug {
350 int event;
351 const char *name; /* (n) */
352 const char *namewhat; /* (n) `global', `local', `field', `method' */
353 const char *what; /* (S) `Lua', `C', `main', `tail' */
354 const char *source; /* (S) */
355 int currentline; /* (l) */
356 int nups; /* (u) number of upvalues */
357 int linedefined; /* (S) */
358 int lastlinedefined; /* (S) */
359 char short_src[LUA_IDSIZE]; /* (S) */
360 /* private part */
361 int i_ci; /* active function */
362};
363
364/* }====================================================================== */
365
366
367/******************************************************************************
368* Copyright (C) 1994-2012 Lua.org, PUC-Rio. All rights reserved.
369*
370* Permission is hereby granted, free of charge, to any person obtaining
371* a copy of this software and associated documentation files (the
372* "Software"), to deal in the Software without restriction, including
373* without limitation the rights to use, copy, modify, merge, publish,
374* distribute, sublicense, and/or sell copies of the Software, and to
375* permit persons to whom the Software is furnished to do so, subject to
376* the following conditions:
377*
378* The above copyright notice and this permission notice shall be
379* included in all copies or substantial portions of the Software.
380*
381* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
382* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
383* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
384* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
385* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
386* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
387* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
388******************************************************************************/
389
390
391#endif