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: lauxlib.h,v 1.88.1.1 2007/12/27 13:02:25 roberto Exp $
3** Auxiliary functions for building Lua libraries
4** See Copyright Notice in lua.h
5*/
6
7
8#ifndef lauxlib_h
9#define lauxlib_h
10
11
12#include <stddef.h>
13#include <stdio.h>
14
15#include "lua.h"
16
17
18#if defined(LUA_COMPAT_GETN)
19LUALIB_API int (luaL_getn) (lua_State *L, int t);
20LUALIB_API void (luaL_setn) (lua_State *L, int t, int n);
21#else
22#define luaL_getn(L,i) ((int)lua_objlen(L, i))
23#define luaL_setn(L,i,j) ((void)0) /* no op! */
24#endif
25
26#if defined(LUA_COMPAT_OPENLIB)
27#define luaI_openlib luaL_openlib
28#endif
29
30
31/* extra error code for `luaL_load' */
32#define LUA_ERRFILE (LUA_ERRERR+1)
33
34
35typedef struct luaL_Reg {
36 const char *name;
37 lua_CFunction func;
38} luaL_Reg;
39
40
41
42LUALIB_API void (luaI_openlib) (lua_State *L, const char *libname,
43 const luaL_Reg *l, int nup);
44LUALIB_API void (luaL_register) (lua_State *L, const char *libname,
45 const luaL_Reg *l);
46LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
47LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
48LUALIB_API int (luaL_typerror) (lua_State *L, int narg, const char *tname);
49LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);
50LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,
51 size_t *l);
52LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,
53 const char *def, size_t *l);
54LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);
55LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);
56
57LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);
58LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,
59 lua_Integer def);
60
61LUALIB_API int (luaL_checkboolean) (lua_State *L, int nArg);
62LUALIB_API int (luaL_optboolean) (lua_State *L, int nArg,
63 int def);
64
65LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
66LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);
67LUALIB_API void (luaL_checkany) (lua_State *L, int narg);
68
69LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);
70LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
71
72LUALIB_API void (luaL_where) (lua_State *L, int lvl);
73LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
74
75LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,
76 const char *const lst[]);
77
78LUALIB_API int (luaL_ref) (lua_State *L, int t);
79LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
80
81LUALIB_API int (luaL_loadfile) (lua_State *L, const char *filename);
82LUALIB_API int (luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz,
83 const char *name);
84LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
85
86LUALIB_API lua_State *(luaL_newstate) (void);
87
88
89LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
90 const char *r);
91
92LUALIB_API const char *(luaL_findtable) (lua_State *L, int idx,
93 const char *fname, int szhint);
94
95
96
97
98/*
99** ===============================================================
100** some useful macros
101** ===============================================================
102*/
103
104#define luaL_argcheck(L, cond,numarg,extramsg) \
105 ((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))
106#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
107#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
108#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
109#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
110#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
111#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
112
113#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))
114
115#define luaL_dofile(L, fn) \
116 (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
117
118#define luaL_dostring(L, s) \
119 (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
120
121#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))
122
123#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
124
125/*
126** {======================================================
127** Generic Buffer manipulation
128** =======================================================
129*/
130
131
132
133typedef struct luaL_Buffer {
134 char *p; /* current position in buffer */
135 int lvl; /* number of strings in the stack (level) */
136 lua_State *L;
137 char buffer[LUAL_BUFFERSIZE];
138} luaL_Buffer;
139
140#define luaL_addchar(B,c) \
141 ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
142 (*(B)->p++ = (char)(c)))
143
144/* compatibility only */
145#define luaL_putchar(B,c) luaL_addchar(B,c)
146
147#define luaL_addsize(B,n) ((B)->p += (n))
148
149LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
150LUALIB_API char *(luaL_prepbuffer) (luaL_Buffer *B);
151LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
152LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
153LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
154LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
155
156
157/* }====================================================== */
158
159
160/* compatibility with ref system */
161
162/* pre-defined references */
163#define LUA_NOREF (-2)
164#define LUA_REFNIL (-1)
165
166#define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \
167 (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))
168
169#define lua_unref(L,ref) luaL_unref(L, LUA_REGISTRYINDEX, (ref))
170
171#define lua_getref(L,ref) lua_rawgeti(L, LUA_REGISTRYINDEX, (ref))
172
173
174#define luaL_reg luaL_Reg
175
176#endif
177
178