[proxmark3-svn] / liblua / lauxlib.h

/*
** $Id: lauxlib.h,v 1.120 2011/11/29 15:55:08 roberto Exp $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/


#ifndef lauxlib_h
#define lauxlib_h


#include <stddef.h>
#include <stdio.h>

#include "lua.h"


/* extra error code for `luaL_load' */
#define LUA_ERRFILE     (LUA_ERRERR+1)


typedef struct luaL_Reg {
  const char *name;
  lua_CFunction func;
} luaL_Reg;


LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver);
#define luaL_checkversion(L)	luaL_checkversion_(L, LUA_VERSION_NUM)

LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len);
LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);
LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,
                                                          size_t *l);
LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,
                                          const char *def, size_t *l);
LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);
LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);

LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);
LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,
                                          lua_Integer def);
LUALIB_API lua_Unsigned (luaL_checkunsigned) (lua_State *L, int numArg);
LUALIB_API lua_Unsigned (luaL_optunsigned) (lua_State *L, int numArg,
                                            lua_Unsigned def);

LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);
LUALIB_API void (luaL_checkany) (lua_State *L, int narg);

LUALIB_API int   (luaL_newmetatable) (lua_State *L, const char *tname);
LUALIB_API void  (luaL_setmetatable) (lua_State *L, const char *tname);
LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);
LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);

LUALIB_API void (luaL_where) (lua_State *L, int lvl);
LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);

LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,
                                   const char *const lst[]);

LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname);
LUALIB_API int (luaL_execresult) (lua_State *L, int stat);

/* pre-defined references */
#define LUA_NOREF       (-2)
#define LUA_REFNIL      (-1)

LUALIB_API int (luaL_ref) (lua_State *L, int t);
LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);

LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,
                                               const char *mode);

#define luaL_loadfile(L,f)	luaL_loadfilex(L,f,NULL)

LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,
                                   const char *name, const char *mode);
LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);

LUALIB_API lua_State *(luaL_newstate) (void);

LUALIB_API int (luaL_len) (lua_State *L, int idx);

LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
                                                  const char *r);

LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);

LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname);

LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1,
                                  const char *msg, int level);

LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
                                 lua_CFunction openf, int glb);

/*
** ===============================================================
** some useful macros
** ===============================================================
*/


#define luaL_newlibtable(L,l)	\
  lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)

#define luaL_newlib(L,l)	(luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))

#define luaL_argcheck(L, cond,numarg,extramsg)	\
		((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))
#define luaL_checkstring(L,n)	(luaL_checklstring(L, (n), NULL))
#define luaL_optstring(L,n,d)	(luaL_optlstring(L, (n), (d), NULL))
#define luaL_checkint(L,n)	((int)luaL_checkinteger(L, (n)))
#define luaL_optint(L,n,d)	((int)luaL_optinteger(L, (n), (d)))
#define luaL_checklong(L,n)	((long)luaL_checkinteger(L, (n)))
#define luaL_optlong(L,n,d)	((long)luaL_optinteger(L, (n), (d)))

#define luaL_typename(L,i)	lua_typename(L, lua_type(L,(i)))

#define luaL_dofile(L, fn) \
	(luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))

#define luaL_dostring(L, s) \
	(luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))

#define luaL_getmetatable(L,n)	(lua_getfield(L, LUA_REGISTRYINDEX, (n)))

#define luaL_opt(L,f,n,d)	(lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))

#define luaL_loadbuffer(L,s,sz,n)	luaL_loadbufferx(L,s,sz,n,NULL)


/*
** {======================================================
** Generic Buffer manipulation
** =======================================================
*/

typedef struct luaL_Buffer {
  char *b;  /* buffer address */
  size_t size;  /* buffer size */
  size_t n;  /* number of characters in buffer */
  lua_State *L;
  char initb[LUAL_BUFFERSIZE];  /* initial buffer */
} luaL_Buffer;


#define luaL_addchar(B,c) \
  ((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \
   ((B)->b[(B)->n++] = (c)))

#define luaL_addsize(B,s)	((B)->n += (s))

LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz);
LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);
LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);

#define luaL_prepbuffer(B)	luaL_prepbuffsize(B, LUAL_BUFFERSIZE)

/* }====================================================== */


/*
** {======================================================
** File handles for IO library
** =======================================================
*/

/*
** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
** initial structure 'luaL_Stream' (it may contain other fields
** after that initial structure).
*/

#define LUA_FILEHANDLE          "FILE*"


typedef struct luaL_Stream {
  FILE *f;  /* stream (NULL for incompletely created streams) */
  lua_CFunction closef;  /* to close stream (NULL for closed streams) */
} luaL_Stream;

/* }====================================================== */


/* compatibility with old module system */
#if defined(LUA_COMPAT_MODULE)

LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,
                                   int sizehint);
LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,
                                const luaL_Reg *l, int nup);

#define luaL_register(L,n,l)	(luaL_openlib(L,(n),(l),0))

#endif


#endif
Commit	Line	Data
ba8b5c17	1	/*
	2	** $Id: lauxlib.h,v 1.120 2011/11/29 15:55:08 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
	19	/* extra error code for `luaL_load' */
	20	#define LUA_ERRFILE (LUA_ERRERR+1)
	21
	22
	23	typedef struct luaL_Reg {
	24	const char *name;
	25	lua_CFunction func;
	26	} luaL_Reg;
	27
	28
	29	LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver);
	30	#define luaL_checkversion(L) luaL_checkversion_(L, LUA_VERSION_NUM)
	31
	32	LUALIB_API int (luaL_getmetafield) (lua_State L, int obj, const char e);
	33	LUALIB_API int (luaL_callmeta) (lua_State L, int obj, const char e);
	34	LUALIB_API const char (luaL_tolstring) (lua_State L, int idx, size_t *len);
	35	LUALIB_API int (luaL_argerror) (lua_State L, int numarg, const char extramsg);
	36	LUALIB_API const char (luaL_checklstring) (lua_State L, int numArg,
	37	size_t *l);
	38	LUALIB_API const char (luaL_optlstring) (lua_State L, int numArg,
	39	const char def, size_t l);
	40	LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);
	41	LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);
	42
	43	LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);
	44	LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,
	45	lua_Integer def);
	46	LUALIB_API lua_Unsigned (luaL_checkunsigned) (lua_State *L, int numArg);
	47	LUALIB_API lua_Unsigned (luaL_optunsigned) (lua_State *L, int numArg,
	48	lua_Unsigned def);
	49
	50	LUALIB_API void (luaL_checkstack) (lua_State L, int sz, const char msg);
	51	LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);
	52	LUALIB_API void (luaL_checkany) (lua_State *L, int narg);
	53
	54	LUALIB_API int (luaL_newmetatable) (lua_State L, const char tname);
	55	LUALIB_API void (luaL_setmetatable) (lua_State L, const char tname);
	56	LUALIB_API void (luaL_testudata) (lua_State L, int ud, const char *tname);
	57	LUALIB_API void (luaL_checkudata) (lua_State L, int ud, const char *tname);
	58
	59	LUALIB_API void (luaL_where) (lua_State *L, int lvl);
	60	LUALIB_API int (luaL_error) (lua_State L, const char fmt, ...);
	61
	62	LUALIB_API int (luaL_checkoption) (lua_State L, int narg, const char def,
	63	const char *const lst[]);
	64
65	LUALIB_API int (luaL_fileresult) (lua_State L, int stat, const char fname);
66	LUALIB_API int (luaL_execresult) (lua_State *L, int stat);
67
68	/* pre-defined references */
69	#define LUA_NOREF (-2)
70	#define LUA_REFNIL (-1)
71
72	LUALIB_API int (luaL_ref) (lua_State *L, int t);
73	LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
74
75	LUALIB_API int (luaL_loadfilex) (lua_State L, const char filename,
76	const char *mode);
77
78	#define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL)
79
80	LUALIB_API int (luaL_loadbufferx) (lua_State L, const char buff, size_t sz,
81	const char name, const char mode);
82	LUALIB_API int (luaL_loadstring) (lua_State L, const char s);
83
84	LUALIB_API lua_State *(luaL_newstate) (void);
85
86	LUALIB_API int (luaL_len) (lua_State *L, int idx);
87
88	LUALIB_API const char (luaL_gsub) (lua_State L, const char s, const char p,
89	const char *r);
90
91	LUALIB_API void (luaL_setfuncs) (lua_State L, const luaL_Reg l, int nup);
92
93	LUALIB_API int (luaL_getsubtable) (lua_State L, int idx, const char fname);
94
95	LUALIB_API void (luaL_traceback) (lua_State L, lua_State L1,
96	const char *msg, int level);
97
98	LUALIB_API void (luaL_requiref) (lua_State L, const char modname,
99	lua_CFunction openf, int glb);
100
101	/*
102	** ===============================================================
103	** some useful macros
104	** ===============================================================
105	*/
106
107
108	#define luaL_newlibtable(L,l) \
109	lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)
110
111	#define luaL_newlib(L,l) (luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))
112
113	#define luaL_argcheck(L, cond,numarg,extramsg) \
114	((void)((cond) \|\| luaL_argerror(L, (numarg), (extramsg))))
115	#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
116	#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
117	#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
118	#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
119	#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
120	#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
121
122	#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))
123
124	#define luaL_dofile(L, fn) \
125	(luaL_loadfile(L, fn) \|\| lua_pcall(L, 0, LUA_MULTRET, 0))
126
127	#define luaL_dostring(L, s) \
128	(luaL_loadstring(L, s) \|\| lua_pcall(L, 0, LUA_MULTRET, 0))
129
130	#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))
131
132	#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
133
134	#define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)
135
136
137	/*
138	** {======================================================
139	** Generic Buffer manipulation
140	** =======================================================
141	*/
142
143	typedef struct luaL_Buffer {
144	char b; / buffer address */
145	size_t size; /* buffer size */
146	size_t n; /* number of characters in buffer */
147	lua_State *L;
148	char initb[LUAL_BUFFERSIZE]; /* initial buffer */
149	} luaL_Buffer;
150
151
152	#define luaL_addchar(B,c) \
153	((void)((B)->n < (B)->size \|\| luaL_prepbuffsize((B), 1)), \
154	((B)->b[(B)->n++] = (c)))
155
156	#define luaL_addsize(B,s) ((B)->n += (s))
157
158	LUALIB_API void (luaL_buffinit) (lua_State L, luaL_Buffer B);
159	LUALIB_API char (luaL_prepbuffsize) (luaL_Buffer B, size_t sz);
160	LUALIB_API void (luaL_addlstring) (luaL_Buffer B, const char s, size_t l);
161	LUALIB_API void (luaL_addstring) (luaL_Buffer B, const char s);
162	LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
163	LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
164	LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);
165	LUALIB_API char (luaL_buffinitsize) (lua_State L, luaL_Buffer *B, size_t sz);
166
167	#define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE)
168
169	/* }====================================================== */
170
171
172
173	/*
174	** {======================================================
175	** File handles for IO library
176	** =======================================================
177	*/
178
179	/*
180	** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
181	** initial structure 'luaL_Stream' (it may contain other fields
182	** after that initial structure).
183	*/
184
185	#define LUA_FILEHANDLE "FILE*"
186
187
188	typedef struct luaL_Stream {
189	FILE f; / stream (NULL for incompletely created streams) */
190	lua_CFunction closef; /* to close stream (NULL for closed streams) */
191	} luaL_Stream;
192
193	/* }====================================================== */
194
195
196
197	/* compatibility with old module system */
198	#if defined(LUA_COMPAT_MODULE)
199
200	LUALIB_API void (luaL_pushmodule) (lua_State L, const char modname,
201	int sizehint);
202	LUALIB_API void (luaL_openlib) (lua_State L, const char libname,
203	const luaL_Reg *l, int nup);
204
205	#define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0))
206
207	#endif
208
209
210	#endif
211
212