lauxlib.h File Reference

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

Go to the source code of this file.

Data Structures
struct	luaL_Reg
struct	luaL_Buffer

Macros
#define	luaL_getn(L, i)   ((int)lua_objlen(L, i))
#define	luaL_setn(L, i, j)   ((void)0) /* no op! */
#define	luaI_openlib   luaL_openlib
#define	LUA_ERRFILE   (LUA_ERRERR+1)
#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_addchar(B, c)
#define	luaL_putchar(B, c)   luaL_addchar(B,c)
#define	luaL_addsize(B, n)   ((B)->p += (n))
#define	LUA_NOREF   (-2)
#define	LUA_REFNIL   (-1)
#define	lua_ref(L, lock)
#define	lua_unref(L, ref)   luaL_unref(L, LUA_REGISTRYINDEX, (ref))
#define	lua_getref(L, ref)   lua_rawgeti(L, LUA_REGISTRYINDEX, (ref))
#define	luaL_reg   luaL_Reg

Typedefs
typedef struct luaL_Reg	luaL_Reg
typedef struct luaL_Buffer	luaL_Buffer

Functions
LUALIB_API void	luaI_openlib (lua_State *L, const char *libname, const luaL_Reg *l, int nup)
LUALIB_API void	luaL_register (lua_State *L, const char *libname, const luaL_Reg *l)
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 int	luaL_typerror (lua_State *L, int narg, const char *tname)
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 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_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_ref (lua_State *L, int t)
LUALIB_API void	luaL_unref (lua_State *L, int t, int ref)
LUALIB_API int	luaL_loadfile (lua_State *L, const char *filename)
LUALIB_API int	luaL_loadbuffer (lua_State *L, const char *buff, size_t sz, const char *name)
LUALIB_API int	luaL_loadstring (lua_State *L, const char *s)
LUALIB_API lua_State *	luaL_newstate (void)
LUALIB_API const char *	luaL_gsub (lua_State *L, const char *s, const char *p, const char *r)
LUALIB_API const char *	luaL_findtable (lua_State *L, int idx, const char *fname, int szhint)
LUALIB_API void	luaL_buffinit (lua_State *L, luaL_Buffer *B)
LUALIB_API char *	luaL_prepbuffer (luaL_Buffer *B)
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)

Macro Definition Documentation

LUA_ERRFILE

#define LUA_ERRFILE   (LUA_ERRERR+1)

Definition at line 32 of file lua-5.1.5/src/lauxlib.h.

Referenced by errfile(), errfile(), errfile(), and errfile().

lua_getref

#define lua_getref	(		L,
			ref )   lua_rawgeti(L, LUA_REGISTRYINDEX, (ref))

Definition at line 167 of file lua-5.1.5/src/lauxlib.h.

LUA_NOREF

#define LUA_NOREF   (-2)

Definition at line 159 of file lua-5.1.5/src/lauxlib.h.

Referenced by db_busy_handler(), db_busy_timeout(), db_commit_hook(), db_progress_handler(), db_register_function(), db_rollback_hook(), db_trace(), db_update_hook(), lsqlite_make_context(), and newdb().

lua_ref

#define lua_ref	(		L,
			lock )

Value:

      ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \
      (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))

Definition at line 162 of file lua-5.1.5/src/lauxlib.h.

#define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \
      (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))

LUA_REFNIL

#define LUA_REFNIL   (-1)

Definition at line 160 of file lua-5.1.5/src/lauxlib.h.

Referenced by luaL_ref().

lua_unref

#define lua_unref	(		L,
			ref )   luaL_unref(L, LUA_REGISTRYINDEX, (ref))

Definition at line 165 of file lua-5.1.5/src/lauxlib.h.

luaI_openlib

#define luaI_openlib   luaL_openlib

Definition at line 27 of file lua-5.1.5/src/lauxlib.h.

Referenced by luaL_register().

luaL_addchar

#define luaL_addchar	(		B,
			c )

Value:

  ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
   (*(B)->p++ = (char)(c)))

Definition at line 136 of file lua-5.1.5/src/lauxlib.h.

#define luaL_addchar(B,c) \
  ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
   (*(B)->p++ = (char)(c)))

Referenced by add_s(), add_s(), add_s(), add_s(), addquoted(), addquoted(), addquoted(), addquoted(), b_pack(), luaL_addlstring(), luaL_traceback(), os_date(), os_date(), os_date(), os_date(), push_indentStr(), read_line(), read_line(), searchpath(), setpath(), str_char(), str_format(), str_format(), str_format(), str_format(), str_gsub(), str_gsub(), str_gsub(), str_gsub(), str_lower(), str_pack(), str_pack(), str_reverse(), str_upper(), Xml_pushEncode(), and Xml_str().

luaL_addsize

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

Definition at line 143 of file lua-5.1.5/src/lauxlib.h.

Referenced by addliteral(), addliteral(), luaL_addlstring(), luaL_addvalue(), luaL_pushresultsize(), os_date(), os_date(), packint(), packint(), read_all(), read_all(), read_all(), read_chars(), read_chars(), read_chars(), read_chars(), read_line(), read_line(), read_line(), read_line(), str_format(), str_format(), str_format(), str_pack(), and str_pack().

luaL_argcheck

#define luaL_argcheck	(		L,
			cond,
			numarg,
			extramsg )    ((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))

Definition at line 100 of file lua-5.1.5/src/lauxlib.h.

#define luaL_argcheck(L, cond,numarg,extramsg)  \
        ((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))

Referenced by aux_lines(), aux_lines(), aux_lines(), b_pack(), b_unpack(), byteoffset(), byteoffset(), checkupval(), checkupval(), checkupval(), codepoint(), codepoint(), db_getinfo(), db_setmetatable(), db_setmetatable(), db_setmetatable(), db_upvaluejoin(), db_upvaluejoin(), db_upvaluejoin(), dir_iter(), f_seek(), f_seek(), f_seek(), fieldargs(), g_read(), g_read(), getco(), getfunc(), io_open(), io_open(), io_open(), io_popen(), io_popen(), l_checktime(), l_checktime(), luaB_cocreate(), luaB_coresume(), luaB_coresume(), luaB_costatus(), luaB_costatus(), luaB_newproxy(), luaB_rawlen(), luaB_rawlen(), luaB_select(), luaB_select(), luaB_select(), luaB_select(), luaB_setmetatable(), luaB_setmetatable(), luaB_setmetatable(), luaB_tonumber(), luaB_tonumber(), luaB_tonumber(), luaB_tonumber(), luaB_type(), luaB_type(), luaB_xpcall(), math_fmod(), math_fmod(), math_max(), math_max(), math_min(), math_min(), math_random(), math_random(), math_random(), math_random(), pushutfchar(), pushutfchar(), sort(), sort(), str_char(), str_char(), str_char(), str_char(), str_format(), str_format(), str_format(), str_gsub(), str_gsub(), str_gsub(), str_pack(), str_pack(), str_packsize(), str_packsize(), str_unpack(), str_unpack(), tinsert(), tinsert(), tinsert(), tmove(), tmove(), tremove(), tremove(), tremove(), utflen(), and utflen().

luaL_checkint

#define luaL_checkint	(		L,
			n )   ((int)luaL_checkinteger(L, (n)))

Definition at line 104 of file lua-5.1.5/src/lauxlib.h.

Referenced by auxupvalue(), auxupvalue(), b_arshift(), b_lrot(), b_lshift(), b_rrot(), b_rshift(), checkupval(), db_busy_timeout(), db_getlocal(), db_getlocal(), db_progress_handler(), db_register_function(), db_setlocal(), db_setlocal(), dbbu_step(), dbvm_bind(), dbvm_bind_blob(), dbvm_get_value(), fieldargs(), getfunc(), ipairsaux(), ipairsaux(), lcontext_result_int(), luaB_select(), luaB_select(), luaB_tonumber(), luaB_unpack(), math_ldexp(), math_ldexp(), math_random(), math_randomseed(), setn(), str_char(), str_char(), str_format(), str_rep(), str_rep(), tconcat(), tconcat(), tinsert(), tinsert(), and unpack().

luaL_checklong

#define luaL_checklong	(		L,
			n )   ((long)luaL_checkinteger(L, (n)))

Definition at line 106 of file lua-5.1.5/src/lauxlib.h.

luaL_checkstring

#define luaL_checkstring	(		L,
			n )   (luaL_checklstring(L, (n), NULL))

Definition at line 102 of file lua-5.1.5/src/lauxlib.h.

Referenced by _file_info_(), b_pack(), b_size(), b_unpack(), change_dir(), db_create_collation(), db_db_filename(), db_do_rows(), db_exec(), db_prepare(), db_register_function(), db_sethook(), db_sethook(), db_sethook(), db_sethook(), dbvm_bind_blob(), dir_iter_factory(), file_lock(), file_utime(), g_read(), g_read(), gmatch(), gmatch(), io_lines(), io_lines(), io_lines(), io_lines(), io_open(), io_open(), io_open(), io_open(), io_popen(), io_popen(), io_popen(), io_popen(), iter_codes(), iter_codes(), lcontext_result(), lcontext_result_blob(), lcontext_result_error(), lcontext_result_text(), ll_loadlib(), ll_loadlib(), ll_loadlib(), ll_loadlib(), ll_module(), ll_require(), ll_require(), ll_require(), ll_require(), ll_searchpath(), ll_searchpath(), ll_searchpath(), loader_C(), loader_Croot(), loader_Lua(), loader_preload(), lsqlite_backup_init(), lsqlite_complete(), lsqlite_open(), luaB_tonumber(), luaB_warn(), luaL_checkoption(), luaL_checkoption(), make_dir(), make_link(), os_getenv(), os_getenv(), os_getenv(), os_getenv(), os_remove(), os_remove(), os_remove(), os_remove(), os_rename(), os_rename(), os_rename(), os_rename(), push_link_target(), remove_dir(), searcher_C(), searcher_C(), searcher_C(), searcher_Croot(), searcher_Croot(), searcher_Croot(), searcher_Lua(), searcher_Lua(), searcher_Lua(), searcher_preload(), searcher_preload(), searcher_preload(), str_gsub(), str_pack(), str_pack(), str_packsize(), str_packsize(), str_unpack(), str_unpack(), Xml_encode(), Xml_load(), and Xml_registerCode().

luaL_dofile

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

Definition at line 111 of file lua-5.1.5/src/lauxlib.h.

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

Referenced by main().

luaL_dostring

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

Definition at line 114 of file lua-5.1.5/src/lauxlib.h.

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

luaL_getmetatable

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

Definition at line 117 of file lua-5.1.5/src/lauxlib.h.

Referenced by dir_iter_factory(), lfs_lock_dir(), ll_register(), lsqlite_backup_init(), luaL_newmetatable(), luaL_setmetatable(), luaL_testudata(), luaopen_lsqlite3(), make_xml_object(), newdb(), newfile(), and newvm().

luaL_getn

#define luaL_getn	(		L,
			i )   ((int)lua_objlen(L, i))

Definition at line 22 of file lua-5.1.5/src/lauxlib.h.

Referenced by luaB_unpack(), and tconcat().

luaL_opt

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

Definition at line 119 of file lua-5.1.5/src/lauxlib.h.

Referenced by luaB_unpack(), luaL_optinteger(), luaL_optinteger(), luaL_optnumber(), luaL_optnumber(), luaL_optunsigned(), os_date(), os_date(), os_date(), os_date(), tconcat(), tconcat(), tunpack(), unpack(), and unpack().

luaL_optint

#define luaL_optint	(		L,
			n,
			d )   ((int)luaL_optinteger(L, (n), (d)))

Definition at line 105 of file lua-5.1.5/src/lauxlib.h.

Referenced by db_sethook(), db_sethook(), db_traceback(), fieldargs(), getfunc(), luaB_collectgarbage(), luaB_collectgarbage(), luaB_error(), luaB_error(), luaB_tonumber(), luaB_unpack(), os_exit(), os_exit(), str_gsub(), tconcat(), tconcat(), tremove(), tremove(), unpack(), Xml_eval(), and Xml_iterate().

luaL_optlong

#define luaL_optlong	(		L,
			n,
			d )   ((long)luaL_optinteger(L, (n), (d)))

Definition at line 107 of file lua-5.1.5/src/lauxlib.h.

Referenced by f_seek().

luaL_optstring

#define luaL_optstring	(		L,
			n,
			d )   (luaL_optlstring(L, (n), (d), NULL))

Definition at line 103 of file lua-5.1.5/src/lauxlib.h.

Referenced by db_getinfo(), db_getinfo(), db_getinfo(), db_getinfo(), db_load_extension(), io_open(), io_open(), io_open(), io_open(), io_popen(), io_popen(), io_popen(), io_popen(), ll_searchpath(), ll_searchpath(), ll_searchpath(), lsqlite_temp_directory(), luaB_assert(), luaB_assert(), luaB_dofile(), luaB_dofile(), luaB_dofile(), luaB_dofile(), luaB_load(), luaB_load(), luaB_load(), luaB_load(), luaB_loadfile(), luaB_loadfile(), luaB_loadfile(), luaB_loadfile(), luaB_loadstring(), luaL_checkoption(), luaL_checkoption(), os_date(), os_date(), os_execute(), os_execute(), os_execute(), os_execute(), os_setlocale(), os_setlocale(), os_setlocale(), and os_setlocale().

luaL_putchar

#define luaL_putchar	(		B,
			c )   luaL_addchar(B,c)

Definition at line 141 of file lua-5.1.5/src/lauxlib.h.

luaL_reg

#define luaL_reg   luaL_Reg

Definition at line 170 of file lua-5.1.5/src/lauxlib.h.

luaL_setn

#define luaL_setn	(		L,
			i,
			j )   ((void)0) /* no op! */

Definition at line 23 of file lua-5.1.5/src/lauxlib.h.

Referenced by setn(), tinsert(), and tremove().

luaL_typename

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

Definition at line 109 of file lua-5.1.5/src/lauxlib.h.

Referenced by add_value(), add_value(), add_value(), add_value(), addfield(), addfield(), addfield(), addfield(), luaB_tostring(), luaB_type(), luaB_type(), luaL_tolstring(), luaL_typeerror(), luaL_typerror(), make_xml_object(), msghandler(), msghandler(), print(), trymt(), typeerror(), and typeerror().

Typedef Documentation

luaL_Buffer

typedef struct luaL_Buffer luaL_Buffer

luaL_Reg

typedef struct luaL_Reg luaL_Reg

Function Documentation

luaI_openlib()

LUALIB_API void luaI_openlib	(	lua_State *	L,
		const char *	libname,
		const luaL_Reg *	l,
		int	nup )

Definition at line 242 of file lua-5.1.5/src/lauxlib.c.

                                                          {
  if (libname) {
    int size = libsize(l);
    /* check whether lib already exists */
    luaL_findtable(L, LUA_REGISTRYINDEX, "_LOADED", 1);
    lua_getfield(L, -1, libname);  /* get _LOADED[libname] */
    if (!lua_istable(L, -1)) {  /* not found? */
      lua_pop(L, 1);  /* remove previous result */
      /* try global variable (and create one if it does not exist) */
      if (luaL_findtable(L, LUA_GLOBALSINDEX, libname, size) != NULL)
        luaL_error(L, "name conflict for module " LUA_QS, libname);
      lua_pushvalue(L, -1);
      lua_setfield(L, -3, libname);  /* _LOADED[libname] = new table */
    }
    lua_remove(L, -2);  /* remove _LOADED table */
    lua_insert(L, -(nup+1));  /* move library table to below upvalues */
  }
  for (; l->name; l++) {
    int i;
    for (i=0; i<nup; i++)  /* copy upvalues to the top */
      lua_pushvalue(L, -nup);
    lua_pushcclosure(L, l->func, nup);
    lua_setfield(L, -(nup+2), l->name);
  }
  lua_pop(L, nup);  /* remove upvalues */
}

References luaL_Reg::func, libsize(), lua_getfield(), LUA_GLOBALSINDEX, lua_insert, lua_istable, lua_pop, lua_pushcclosure(), lua_pushvalue(), LUA_QS, LUA_REGISTRYINDEX, lua_remove, lua_setfield(), luaL_error(), luaL_findtable(), luaL_Reg::name, and NULL.

luaL_addlstring()

LUALIB_API void luaL_addlstring	(	luaL_Buffer *	B,
		const char *	s,
		size_t	l )

Definition at line 436 of file lua-5.1.5/src/lauxlib.c.

                                                                          {
  while (l--)
    luaL_addchar(B, *s++);
}

luaL_addstring()

LUALIB_API void luaL_addstring	(	luaL_Buffer *	B,
		const char *	s )

Definition at line 442 of file lua-5.1.5/src/lauxlib.c.

                                                               {
  luaL_addlstring(B, s, strlen(s));
}

luaL_addvalue()

LUALIB_API void luaL_addvalue

(

luaL_Buffer *

B

)

Definition at line 454 of file lua-5.1.5/src/lauxlib.c.

                                               {
  lua_State *L = B->L;
  size_t vl;
  const char *s = lua_tolstring(L, -1, &vl);
  if (vl <= bufffree(B)) {  /* fit into buffer? */
    memcpy(B->p, s, vl);  /* put it there */
    B->p += vl;
    lua_pop(L, 1);  /* remove from stack */
  }
  else {
    if (emptybuffer(B))
      lua_insert(L, -2);  /* put buffer before new value */
    B->lvl++;  /* add new value into B stack */
    adjuststack(B);
  }
}

luaL_argerror()

LUALIB_API int luaL_argerror	(	lua_State *	L,
		int	numarg,
		const char *	extramsg )

Definition at line 43 of file lua-5.1.5/src/lauxlib.c.

                                                                            {
  lua_Debug ar;
  if (!lua_getstack(L, 0, &ar))  /* no stack frame? */
    return luaL_error(L, "bad argument #%d (%s)", narg, extramsg);
  lua_getinfo(L, "n", &ar);
  if (strcmp(ar.namewhat, "method") == 0) {
    narg--;  /* do not count `self' */
    if (narg == 0)  /* error is in the self argument itself? */
      return luaL_error(L, "calling " LUA_QS " on bad self (%s)",
                           ar.name, extramsg);
  }
  if (ar.name == NULL)
    ar.name = "?";
  return luaL_error(L, "bad argument #%d to " LUA_QS " (%s)",
                        narg, ar.name, extramsg);
}

luaL_buffinit()

LUALIB_API void luaL_buffinit	(	lua_State *	L,
		luaL_Buffer *	B )

Definition at line 472 of file lua-5.1.5/src/lauxlib.c.

                                                             {
  B->L = L;
  B->p = B->buffer;
  B->lvl = 0;
}

luaL_callmeta()

LUALIB_API int luaL_callmeta	(	lua_State *	L,
		int	obj,
		const char *	e )

Definition at line 219 of file lua-5.1.5/src/lauxlib.c.

                                                                        {
  obj = abs_index(L, obj);
  if (!luaL_getmetafield(L, obj, event))  /* no metafield? */
    return 0;
  lua_pushvalue(L, obj);
  lua_call(L, 1, 1);
  return 1;
}

luaL_checkany()

LUALIB_API void luaL_checkany	(	lua_State *	L,
		int	narg )

Definition at line 152 of file lua-5.1.5/src/lauxlib.c.

                                                       {
  if (lua_type(L, narg) == LUA_TNONE)
    luaL_argerror(L, narg, "value expected");
}

luaL_checkinteger()

LUALIB_API lua_Integer luaL_checkinteger	(	lua_State *	L,
		int	numArg )

Definition at line 189 of file lua-5.1.5/src/lauxlib.c.

                                                                  {
  lua_Integer d = lua_tointeger(L, narg);
  if (d == 0 && !lua_isnumber(L, narg))  /* avoid extra test when d is not 0 */
    tag_error(L, narg, LUA_TNUMBER);
  return d;
}

luaL_checklstring()

LUALIB_API const char * luaL_checklstring	(	lua_State *	L,
		int	numArg,
		size_t *	l )

Definition at line 158 of file lua-5.1.5/src/lauxlib.c.

                                                                               {
  const char *s = lua_tolstring(L, narg, len);
  if (!s) tag_error(L, narg, LUA_TSTRING);
  return s;
}

luaL_checknumber()

LUALIB_API lua_Number luaL_checknumber	(	lua_State *	L,
		int	numArg )

Definition at line 176 of file lua-5.1.5/src/lauxlib.c.

                                                                {
  lua_Number d = lua_tonumber(L, narg);
  if (d == 0 && !lua_isnumber(L, narg))  /* avoid extra test when d is not 0 */
    tag_error(L, narg, LUA_TNUMBER);
  return d;
}

luaL_checkoption()

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

Definition at line 99 of file lua-5.1.5/src/lauxlib.c.

                                                          {
  const char *name = (def) ? luaL_optstring(L, narg, def) :
                             luaL_checkstring(L, narg);
  int i;
  for (i=0; lst[i]; i++)
    if (strcmp(lst[i], name) == 0)
      return i;
  return luaL_argerror(L, narg,
                       lua_pushfstring(L, "invalid option " LUA_QS, name));
}

luaL_checkstack()

LUALIB_API void luaL_checkstack	(	lua_State *	L,
		int	sz,
		const char *	msg )

Definition at line 140 of file lua-5.1.5/src/lauxlib.c.

                                                                           {
  if (!lua_checkstack(L, space))
    luaL_error(L, "stack overflow (%s)", mes);
}

luaL_checktype()

LUALIB_API void luaL_checktype	(	lua_State *	L,
		int	narg,
		int	t )

Definition at line 146 of file lua-5.1.5/src/lauxlib.c.

                                                               {
  if (lua_type(L, narg) != t)
    tag_error(L, narg, t);
}

luaL_checkudata()

LUALIB_API void * luaL_checkudata	(	lua_State *	L,
		int	ud,
		const char *	tname )

Definition at line 124 of file lua-5.1.5/src/lauxlib.c.

                                                                           {
  void *p = lua_touserdata(L, ud);
  if (p != NULL) {  /* value is a userdata? */
    if (lua_getmetatable(L, ud)) {  /* does it have a metatable? */
      lua_getfield(L, LUA_REGISTRYINDEX, tname);  /* get correct metatable */
      if (lua_rawequal(L, -1, -2)) {  /* does it have the correct mt? */
        lua_pop(L, 2);  /* remove both metatables */
        return p;
      }
    }
  }
  luaL_typerror(L, ud, tname);  /* else error */
  return NULL;  /* to avoid warnings */
}

luaL_error()

LUALIB_API int luaL_error	(	lua_State *	L,
		const char *	fmt,
			... )

Definition at line 86 of file lua-5.1.5/src/lauxlib.c.

                                                               {
  va_list argp;
  va_start(argp, fmt);
  luaL_where(L, 1);
  lua_pushvfstring(L, fmt, argp);
  va_end(argp);
  lua_concat(L, 2);
  return lua_error(L);
}

luaL_findtable()

LUALIB_API const char * luaL_findtable	(	lua_State *	L,
		int	idx,
		const char *	fname,
		int	szhint )

Definition at line 357 of file lua-5.1.5/src/lauxlib.c.

                                                                      {
  const char *e;
  lua_pushvalue(L, idx);
  do {
    e = strchr(fname, '.');
    if (e == NULL) e = fname + strlen(fname);
    lua_pushlstring(L, fname, e - fname);
    lua_rawget(L, -2);
    if (lua_isnil(L, -1)) {  /* no such field? */
      lua_pop(L, 1);  /* remove this nil */
      lua_createtable(L, 0, (*e == '.' ? 1 : szhint)); /* new table for field */
      lua_pushlstring(L, fname, e - fname);
      lua_pushvalue(L, -2);
      lua_settable(L, -4);  /* set new table into field */
    }
    else if (!lua_istable(L, -1)) {  /* field has a non-table value? */
      lua_pop(L, 2);  /* remove table and value */
      return fname;  /* return problematic part of the name */
    }
    lua_remove(L, -2);  /* remove previous table */
    fname = e + 1;
  } while (*e == '.');
  return NULL;
}

References lua_createtable(), lua_isnil, lua_istable, lua_pop, lua_pushlstring(), lua_pushvalue(), lua_rawget(), lua_remove, lua_settable(), and NULL.

Referenced by ll_module(), luaI_openlib(), and luaopen_package().

luaL_getmetafield()

LUALIB_API int luaL_getmetafield	(	lua_State *	L,
		int	obj,
		const char *	e )

Definition at line 203 of file lua-5.1.5/src/lauxlib.c.

                                                                            {
  if (!lua_getmetatable(L, obj))  /* no metatable? */
    return 0;
  lua_pushstring(L, event);
  lua_rawget(L, -2);
  if (lua_isnil(L, -1)) {
    lua_pop(L, 2);  /* remove metatable and metafield */
    return 0;
  }
  else {
    lua_remove(L, -2);  /* remove only metatable */
    return 1;
  }
}

luaL_gsub()

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

Definition at line 340 of file lua-5.1.5/src/lauxlib.c.

                                                                              {
  const char *wild;
  size_t l = strlen(p);
  luaL_Buffer b;
  luaL_buffinit(L, &b);
  while ((wild = strstr(s, p)) != NULL) {
    luaL_addlstring(&b, s, wild - s);  /* push prefix */
    luaL_addstring(&b, r);  /* push replacement in place of pattern */
    s = wild + l;  /* continue after `p' */
  }
  luaL_addstring(&b, s);  /* push last suffix */
  luaL_pushresult(&b);
  return lua_tostring(L, -1);
}

luaL_loadbuffer()

LUALIB_API int luaL_loadbuffer	(	lua_State *	L,
		const char *	buff,
		size_t	sz,
		const char *	name )

Definition at line 609 of file lua-5.1.5/src/lauxlib.c.

                                                  {
  LoadS ls;
  ls.s = buff;
  ls.size = size;
  return lua_load(L, getS, &ls, name);
}

References getS(), lua_load(), name, LoadS::s, and LoadS::size.

luaL_loadfile()

LUALIB_API int luaL_loadfile	(	lua_State *	L,
		const char *	filename )

Definition at line 552 of file lua-5.1.5/src/lauxlib.c.

                                                                  {
  LoadF lf;
  int status, readstatus;
  int c;
  int fnameindex = lua_gettop(L) + 1;  /* index of filename on the stack */
  lf.extraline = 0;
  if (filename == NULL) {
    lua_pushliteral(L, "=stdin");
    lf.f = stdin;
  }
  else {
    lua_pushfstring(L, "@%s", filename);
    lf.f = fopen(filename, "r");
    if (lf.f == NULL) return errfile(L, "open", fnameindex);
  }
  c = getc(lf.f);
  if (c == '#') {  /* Unix exec. file? */
    lf.extraline = 1;
    while ((c = getc(lf.f)) != EOF && c != '\n') ;  /* skip first line */
    if (c == '\n') c = getc(lf.f);
  }
  if (c == LUA_SIGNATURE[0] && filename) {  /* binary file? */
    lf.f = freopen(filename, "rb", lf.f);  /* reopen in binary mode */
    if (lf.f == NULL) return errfile(L, "reopen", fnameindex);
    /* skip eventual `#!...' */
   while ((c = getc(lf.f)) != EOF && c != LUA_SIGNATURE[0]) ;
    lf.extraline = 0;
  }
  ungetc(c, lf.f);
  status = lua_load(L, getF, &lf, lua_tostring(L, -1));
  readstatus = ferror(lf.f);
  if (filename) fclose(lf.f);  /* close file (even in case of errors) */
  if (readstatus) {
    lua_settop(L, fnameindex);  /* ignore results from `lua_load' */
    return errfile(L, "read", fnameindex);
  }
  lua_remove(L, fnameindex);
  return status;
}

References errfile(), LoadF::extraline, LoadF::f, getF(), lua_gettop(), lua_load(), lua_pushfstring(), lua_pushliteral, lua_remove, lua_settop(), LUA_SIGNATURE, lua_tostring, and NULL.

luaL_loadstring()

LUALIB_API int luaL_loadstring	(	lua_State *	L,
		const char *	s )

Definition at line 618 of file lua-5.1.5/src/lauxlib.c.

                                                               {
  return luaL_loadbuffer(L, s, strlen(s), s);
}

luaL_newmetatable()

LUALIB_API int luaL_newmetatable	(	lua_State *	L,
		const char *	tname )

Definition at line 112 of file lua-5.1.5/src/lauxlib.c.

                                                                   {
  lua_getfield(L, LUA_REGISTRYINDEX, tname);  /* get registry.name */
  if (!lua_isnil(L, -1))  /* name already in use? */
    return 0;  /* leave previous value on top, but return 0 */
  lua_pop(L, 1);
  lua_newtable(L);  /* create metatable */
  lua_pushvalue(L, -1);
  lua_setfield(L, LUA_REGISTRYINDEX, tname);  /* registry.name = metatable */
  return 1;
}

luaL_newstate()

LUALIB_API lua_State * luaL_newstate

(

void

)

Definition at line 647 of file lua-5.1.5/src/lauxlib.c.

                                           {
  lua_State *L = lua_newstate(l_alloc, NULL);
  if (L) lua_atpanic(L, &panic);
  return L;
}

luaL_optinteger()

LUALIB_API lua_Integer luaL_optinteger	(	lua_State *	L,
		int	nArg,
		lua_Integer	def )

Definition at line 197 of file lua-5.1.5/src/lauxlib.c.

                                                                       {
  return luaL_opt(L, luaL_checkinteger, narg, def);
}

luaL_optlstring()

LUALIB_API const char * luaL_optlstring	(	lua_State *	L,
		int	numArg,
		const char *	def,
		size_t *	l )

Definition at line 165 of file lua-5.1.5/src/lauxlib.c.

                                                                      {
  if (lua_isnoneornil(L, narg)) {
    if (len)
      *len = (def ? strlen(def) : 0);
    return def;
  }
  else return luaL_checklstring(L, narg, len);
}

luaL_optnumber()

LUALIB_API lua_Number luaL_optnumber	(	lua_State *	L,
		int	nArg,
		lua_Number	def )

Definition at line 184 of file lua-5.1.5/src/lauxlib.c.

                                                                              {
  return luaL_opt(L, luaL_checknumber, narg, def);
}

luaL_prepbuffer()

LUALIB_API char * luaL_prepbuffer

(

luaL_Buffer *

B

)

Definition at line 429 of file lua-5.1.5/src/lauxlib.c.

                                                  {
  if (emptybuffer(B))
    adjuststack(B);
  return B->buffer;
}

References adjuststack(), luaL_Buffer::buffer, and emptybuffer().

luaL_pushresult()

LUALIB_API void luaL_pushresult

(

luaL_Buffer *

B

)

Definition at line 447 of file lua-5.1.5/src/lauxlib.c.

                                                 {
  emptybuffer(B);
  lua_concat(B->L, B->lvl);
  B->lvl = 1;
}

luaL_ref()

LUALIB_API int luaL_ref	(	lua_State *	L,
		int	t )

Definition at line 481 of file lua-5.1.5/src/lauxlib.c.

                                              {
  int ref;
  t = abs_index(L, t);
  if (lua_isnil(L, -1)) {
    lua_pop(L, 1);  /* remove from stack */
    return LUA_REFNIL;  /* `nil' has a unique fixed reference */
  }
  lua_rawgeti(L, t, FREELIST_REF);  /* get first free element */
  ref = (int)lua_tointeger(L, -1);  /* ref = t[FREELIST_REF] */
  lua_pop(L, 1);  /* remove it from stack */
  if (ref != 0) {  /* any free element? */
    lua_rawgeti(L, t, ref);  /* remove it from list */
    lua_rawseti(L, t, FREELIST_REF);  /* (t[FREELIST_REF] = t[ref]) */
  }
  else {  /* no free elements */
    ref = (int)lua_objlen(L, t);
    ref++;  /* create new reference */
  }
  lua_rawseti(L, t, ref);
  return ref;
}

luaL_register()

LUALIB_API void luaL_register	(	lua_State *	L,
		const char *	libname,
		const luaL_Reg *	l )

Definition at line 229 of file lua-5.1.5/src/lauxlib.c.

                                                   {
  luaI_openlib(L, libname, l, 0);
}

References luaI_openlib.

Referenced by base_open(), createmeta(), luaopen_base(), luaopen_debug(), luaopen_io(), luaopen_math(), luaopen_os(), luaopen_package(), luaopen_string(), and luaopen_table().

luaL_typerror()

LUALIB_API int luaL_typerror	(	lua_State *	L,
		int	narg,
		const char *	tname )

Definition at line 61 of file lua-5.1.5/src/lauxlib.c.

                                                                         {
  const char *msg = lua_pushfstring(L, "%s expected, got %s",
                                    tname, luaL_typename(L, narg));
  return luaL_argerror(L, narg, msg);
}

References lua_pushfstring(), luaL_argerror(), and luaL_typename.

Referenced by lsqlite_getbu(), lsqlite_getcontext(), lsqlite_getdb(), luaL_checkudata(), and tag_error().

luaL_unref()

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

Definition at line 504 of file lua-5.1.5/src/lauxlib.c.

                                                          {
  if (ref >= 0) {
    t = abs_index(L, t);
    lua_rawgeti(L, t, FREELIST_REF);
    lua_rawseti(L, t, ref);  /* t[ref] = t[FREELIST_REF] */
    lua_pushinteger(L, ref);
    lua_rawseti(L, t, FREELIST_REF);  /* t[FREELIST_REF] = ref */
  }
}

luaL_where()

LUALIB_API void luaL_where	(	lua_State *	L,
		int	lvl )

Definition at line 73 of file lua-5.1.5/src/lauxlib.c.

                                                     {
  lua_Debug ar;
  if (lua_getstack(L, level, &ar)) {  /* check function at level */
    lua_getinfo(L, "Sl", &ar);  /* get info about it */
    if (ar.currentline > 0) {  /* is there info? */
      lua_pushfstring(L, "%s:%d: ", ar.short_src, ar.currentline);
      return;
    }
  }
  lua_pushliteral(L, "");  /* else, no information available... */
}