mirror of
https://github.com/lua/lua
synced 2024-11-22 21:01:26 +03:00
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
|
|
** $Id: lstring.h,v 1.53 2014/02/19 13:51:09 roberto Exp roberto $
|
|
** String table (keep all strings handled by Lua)
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
#ifndef lstring_h
|
|
#define lstring_h
|
|
|
|
#include "lgc.h"
|
|
#include "lobject.h"
|
|
#include "lstate.h"
|
|
|
|
|
|
#define sizestring(s) (sizeof(union TString)+((s)->len+1)*sizeof(char))
|
|
|
|
#define sizeudata(u) (sizeof(union Udata)+(u)->len)
|
|
|
|
#define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \
|
|
(sizeof(s)/sizeof(char))-1))
|
|
|
|
|
|
/*
|
|
** test whether a string is a reserved word
|
|
*/
|
|
#define isreserved(s) ((s)->tsv.tt == LUA_TSHRSTR && (s)->tsv.extra > 0)
|
|
|
|
|
|
/*
|
|
** equality for short strings, which are always internalized
|
|
*/
|
|
#define eqshrstr(a,b) check_exp((a)->tsv.tt == LUA_TSHRSTR, (a) == (b))
|
|
|
|
|
|
LUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed);
|
|
LUAI_FUNC int luaS_eqlngstr (TString *a, TString *b);
|
|
LUAI_FUNC void luaS_resize (lua_State *L, int newsize);
|
|
LUAI_FUNC void luaS_remove (lua_State *L, TString *ts);
|
|
LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s);
|
|
LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
|
|
LUAI_FUNC TString *luaS_new (lua_State *L, const char *str);
|
|
|
|
|
|
#endif
|