mirror of https://github.com/lua/lua
121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/*
|
|
** $Id: lauxlib.h,v 1.1 2001/11/29 22:14:34 rieru Exp rieru $
|
|
** 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"
|
|
|
|
|
|
#ifndef LUALIB_API
|
|
#define LUALIB_API extern
|
|
#endif
|
|
|
|
|
|
|
|
typedef struct luaL_reg {
|
|
const char *name;
|
|
lua_CFunction func;
|
|
} luaL_reg;
|
|
|
|
|
|
LUALIB_API void luaL_openlib (lua_State *L, const luaL_reg *l, int n);
|
|
LUALIB_API void luaL_typerror (lua_State *L, int narg, const char *tname);
|
|
LUALIB_API void luaL_argerror (lua_State *L, int numarg,
|
|
const char *extramsg);
|
|
LUALIB_API const char *luaL_check_lstr (lua_State *L, int numArg,
|
|
size_t *len);
|
|
LUALIB_API const char *luaL_opt_lstr (lua_State *L, int numArg,
|
|
const char *def, size_t *len);
|
|
LUALIB_API lua_Number luaL_check_number (lua_State *L, int numArg);
|
|
LUALIB_API lua_Number luaL_opt_number (lua_State *L, int nArg, lua_Number def);
|
|
|
|
LUALIB_API void luaL_check_stack (lua_State *L, int space, const char *msg);
|
|
LUALIB_API void luaL_check_type (lua_State *L, int narg, int t);
|
|
LUALIB_API void luaL_check_any (lua_State *L, int narg);
|
|
|
|
LUALIB_API void luaL_verror (lua_State *L, const char *fmt, ...);
|
|
LUALIB_API int luaL_findstring (const char *name,
|
|
const char *const list[]);
|
|
|
|
LUALIB_API int luaL_ref (lua_State *L, int t);
|
|
LUALIB_API void luaL_unref (lua_State *L, int t, int ref);
|
|
|
|
/* error messages corresponding to error codes */
|
|
LUALIB_API const char *luaL_errstr (int errcode);
|
|
|
|
|
|
/*
|
|
** ===============================================================
|
|
** some useful macros
|
|
** ===============================================================
|
|
*/
|
|
|
|
#define luaL_arg_check(L, cond,numarg,extramsg) if (!(cond)) \
|
|
luaL_argerror(L, numarg,extramsg)
|
|
#define luaL_check_string(L,n) (luaL_check_lstr(L, (n), NULL))
|
|
#define luaL_opt_string(L,n,d) (luaL_opt_lstr(L, (n), (d), NULL))
|
|
#define luaL_check_int(L,n) ((int)luaL_check_number(L, n))
|
|
#define luaL_check_long(L,n) ((long)luaL_check_number(L, n))
|
|
#define luaL_opt_int(L,n,d) ((int)luaL_opt_number(L, n,d))
|
|
#define luaL_opt_long(L,n,d) ((long)luaL_opt_number(L, n,d))
|
|
#define luaL_openl(L,a) luaL_openlib(L, a, (sizeof(a)/sizeof(a[0])))
|
|
|
|
|
|
/*
|
|
** {======================================================
|
|
** Generic Buffer manipulation
|
|
** =======================================================
|
|
*/
|
|
|
|
|
|
#ifndef LUAL_BUFFERSIZE
|
|
#define LUAL_BUFFERSIZE BUFSIZ
|
|
#endif
|
|
|
|
|
|
typedef struct luaL_Buffer {
|
|
char *p; /* current position in buffer */
|
|
int level;
|
|
lua_State *L;
|
|
char buffer[LUAL_BUFFERSIZE];
|
|
} luaL_Buffer;
|
|
|
|
#define luaL_putchar(B,c) \
|
|
((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
|
|
(*(B)->p++ = (char)(c)))
|
|
|
|
#define luaL_addsize(B,n) ((B)->p += (n))
|
|
|
|
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);
|
|
|
|
|
|
/* }====================================================== */
|
|
|
|
|
|
|
|
/*
|
|
** Compatibility macros
|
|
*/
|
|
|
|
#define luaL_checktype luaL_check_type
|
|
#define luaL_checkany luaL_check_any
|
|
|
|
|
|
#endif
|
|
|
|
|