1 /* $NetBSD: lstring.h,v 1.4 2015/10/08 13:21:00 mbalmer Exp $ */ 2 3 /* 4 ** Id: lstring.h,v 1.59 2015/03/25 13:42:19 roberto Exp 5 ** String table (keep all strings handled by Lua) 6 ** See Copyright Notice in lua.h 7 */ 8 9 #ifndef lstring_h 10 #define lstring_h 11 12 #include "lgc.h" 13 #include "lobject.h" 14 #include "lstate.h" 15 16 17 #define sizelstring(l) (sizeof(union UTString) + ((l) + 1) * sizeof(char)) 18 19 #define sizeludata(l) (sizeof(union UUdata) + (l)) 20 #define sizeudata(u) sizeludata((u)->len) 21 22 #define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \ 23 (sizeof(s)/sizeof(char))-1)) 24 25 26 /* 27 ** test whether a string is a reserved word 28 */ 29 #define isreserved(s) ((s)->tt == LUA_TSHRSTR && (s)->extra > 0) 30 31 32 /* 33 ** equality for short strings, which are always internalized 34 */ 35 #define eqshrstr(a,b) check_exp((a)->tt == LUA_TSHRSTR, (a) == (b)) 36 37 38 LUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed); 39 LUAI_FUNC int luaS_eqlngstr (TString *a, TString *b); 40 LUAI_FUNC void luaS_resize (lua_State *L, int newsize); 41 LUAI_FUNC void luaS_clearcache (global_State *g); 42 LUAI_FUNC void luaS_init (lua_State *L); 43 LUAI_FUNC void luaS_remove (lua_State *L, TString *ts); 44 LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s); 45 LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l); 46 LUAI_FUNC TString *luaS_new (lua_State *L, const char *str); 47 48 49 #endif 50