mirror of
https://github.com/lua/lua
synced 2024-11-23 13:19:57 +03:00
110 lines
4.0 KiB
C
110 lines
4.0 KiB
C
/*
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** $Id: lauxlib.h,v 1.17 1999/12/29 16:24:03 roberto Exp roberto $
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** Auxiliary functions for building Lua libraries
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** See Copyright Notice in lua.h
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*/
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#ifndef lauxlib_h
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#define lauxlib_h
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#include <stddef.h>
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#include "lua.h"
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struct luaL_reg {
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const char *name;
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lua_CFunction func;
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};
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void luaL_openlib (lua_State *L, const struct luaL_reg *l, int n);
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void luaL_argerror (lua_State *L, int numarg, const char *extramsg);
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const char *luaL_check_lstr (lua_State *L, int numArg, size_t *len);
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const char *luaL_opt_lstr (lua_State *L, int numArg, const char *def,
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size_t *len);
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double luaL_check_number (lua_State *L, int numArg);
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double luaL_opt_number (lua_State *L, int numArg, double def);
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lua_Object luaL_functionarg (lua_State *L, int arg);
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lua_Object luaL_tablearg (lua_State *L, int arg);
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lua_Object luaL_nonnullarg (lua_State *L, int numArg);
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void luaL_verror (lua_State *L, const char *fmt, ...);
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int luaL_findstring (const char *name, const char *const list[]);
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void luaL_chunkid (char *out, const char *source, int len);
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void luaL_filesource (char *out, const char *filename, int len);
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char *luaL_openspace (lua_State *L, size_t size);
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void luaL_resetbuffer (lua_State *L);
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void luaL_addchar (lua_State *L, int c);
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size_t luaL_getsize (lua_State *L);
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void luaL_addsize (lua_State *L, size_t n);
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size_t luaL_newbuffer (lua_State *L, size_t size);
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void luaL_oldbuffer (lua_State *L, size_t old);
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char *luaL_buffer (lua_State *L);
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#ifdef LUA_REENTRANT
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/*
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** ===============================================================
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** some useful macros
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** ===============================================================
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*/
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#define luaL_arg_check(L, cond,numarg,extramsg) if (!(cond)) \
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luaL_argerror(L, numarg,extramsg)
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#define luaL_check_string(L,n) (luaL_check_lstr(L, (n), NULL))
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#define luaL_opt_string(L,n,d) (luaL_opt_lstr(L, (n), (d), NULL))
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#define luaL_check_int(L,n) ((int)luaL_check_number(L, n))
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#define luaL_check_long(L,n) ((long)luaL_check_number(L, n))
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#define luaL_opt_int(L,n,d) ((int)luaL_opt_number(L, n,d))
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#define luaL_opt_long(L,n,d) ((long)luaL_opt_number(L, n,d))
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#define luaL_openl(L,a) luaL_openlib(L, a, (sizeof(a)/sizeof(a[0])))
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#else
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/*
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** ===============================================================
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** Macros for single-state use
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** ===============================================================
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*/
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#define luaL_arg_check(cond,numarg,extramsg) if (!(cond)) \
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luaL_argerror(numarg,extramsg)
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#define luaL_check_string(n) (luaL_check_lstr((n), NULL))
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#define luaL_opt_string(n, d) (luaL_opt_lstr((n), (d), NULL))
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#define luaL_check_int(n) ((int)luaL_check_number(n))
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#define luaL_check_long(n) ((long)luaL_check_number(n))
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#define luaL_opt_int(n,d) ((int)luaL_opt_number(n,d))
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#define luaL_opt_long(n,d) ((long)luaL_opt_number(n,d))
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#define luaL_openl(a) luaL_openlib(a, (sizeof(a)/sizeof(a[0])))
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#define luaL_openlib(l,n) (luaL_openlib)(lua_state,l,n)
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#define luaL_argerror(numarg,extramsg) \
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(luaL_argerror)(lua_state,numarg,extramsg)
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#define luaL_check_lstr(numArg,len) (luaL_check_lstr)(lua_state,numArg,len)
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#define luaL_opt_lstr(numArg,def,len) \
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(luaL_opt_lstr)(lua_state,numArg,def,len)
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#define luaL_check_number(numArg) (luaL_check_number)(lua_state,numArg)
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#define luaL_opt_number(numArg,def) (luaL_opt_number)(lua_state,numArg,def)
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#define luaL_functionarg(arg) (luaL_functionarg)(lua_state,arg)
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#define luaL_tablearg(arg) (luaL_tablearg)(lua_state,arg)
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#define luaL_nonnullarg(numArg) (luaL_nonnullarg)(lua_state,numArg)
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#define luaL_openspace(size) (luaL_openspace)(lua_state,size)
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#define luaL_resetbuffer() (luaL_resetbuffer)(lua_state)
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#define luaL_addchar(c) (luaL_addchar)(lua_state,c)
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#define luaL_getsize() (luaL_getsize)(lua_state)
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#define luaL_addsize(n) (luaL_addsize)(lua_state,n)
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#define luaL_newbuffer(size) (luaL_newbuffer)(lua_state,size)
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#define luaL_oldbuffer(old) (luaL_oldbuffer)(lua_state,old)
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#define luaL_buffer() (luaL_buffer)(lua_state)
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#endif
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#endif
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