1 /* BEGIN CSTYLED */ 2 /* 3 ** $Id: lstring.h,v 1.49.1.1 2013/04/12 18:48:47 roberto Exp $ 4 ** String table (keep all strings handled by Lua) 5 ** See Copyright Notice in lua.h 6 */ 7 8 #ifndef lstring_h 9 #define lstring_h 10 11 #include "lgc.h" 12 #include "lobject.h" 13 #include "lstate.h" 14 15 16 #define sizestring(s) (sizeof(union TString)+((s)->len+1)*sizeof(char)) 17 18 #define sizeudata(u) (sizeof(union Udata)+(u)->len) 19 20 #define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \ 21 (sizeof(s)/sizeof(char))-1)) 22 23 #define luaS_fix(s) l_setbit((s)->tsv.marked, FIXEDBIT) 24 25 26 /* 27 ** test whether a string is a reserved word 28 */ 29 #define isreserved(s) ((s)->tsv.tt == LUA_TSHRSTR && (s)->tsv.extra > 0) 30 31 32 /* 33 ** equality for short strings, which are always internalized 34 */ 35 #define eqshrstr(a,b) check_exp((a)->tsv.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 int luaS_eqstr (TString *a, TString *b); 41 LUAI_FUNC void luaS_resize (lua_State *L, int newsize); 42 LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s, Table *e); 43 LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l); 44 LUAI_FUNC TString *luaS_new (lua_State *L, const char *str); 45 46 47 #endif 48 /* END CSTYLED */ 49