mirror of
https://github.com/lua/lua
synced 2024-11-25 22:29:39 +03:00
176 lines
6.2 KiB
C
176 lines
6.2 KiB
C
/*
|
|
** $Id: lauxlib.h,v 1.113 2010/11/16 19:20:01 roberto Exp roberto $
|
|
** 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[]);
|
|
|
|
/* 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_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 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_findtable) (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)))
|
|
|
|
|
|
/*
|
|
** {======================================================
|
|
** 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)
|
|
|
|
/* }====================================================== */
|
|
|
|
|
|
/* compatibility with old module system */
|
|
|
|
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
|
|
|
|
|