1323530Savg/* 2323530Savg** $Id: lstring.h,v 1.49.1.1 2013/04/12 18:48:47 roberto Exp $ 3323530Savg** String table (keep all strings handled by Lua) 4323530Savg** See Copyright Notice in lua.h 5323530Savg*/ 6323530Savg 7323530Savg#ifndef lstring_h 8323530Savg#define lstring_h 9323530Savg 10323530Savg#include "lgc.h" 11323530Savg#include "lobject.h" 12323530Savg#include "lstate.h" 13323530Savg 14323530Savg 15323530Savg#define sizestring(s) (sizeof(union TString)+((s)->len+1)*sizeof(char)) 16323530Savg 17323530Savg#define sizeudata(u) (sizeof(union Udata)+(u)->len) 18323530Savg 19323530Savg#define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \ 20323530Savg (sizeof(s)/sizeof(char))-1)) 21323530Savg 22323530Savg#define luaS_fix(s) l_setbit((s)->tsv.marked, FIXEDBIT) 23323530Savg 24323530Savg 25323530Savg/* 26323530Savg** test whether a string is a reserved word 27323530Savg*/ 28323530Savg#define isreserved(s) ((s)->tsv.tt == LUA_TSHRSTR && (s)->tsv.extra > 0) 29323530Savg 30323530Savg 31323530Savg/* 32323530Savg** equality for short strings, which are always internalized 33323530Savg*/ 34323530Savg#define eqshrstr(a,b) check_exp((a)->tsv.tt == LUA_TSHRSTR, (a) == (b)) 35323530Savg 36323530Savg 37323530SavgLUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed); 38323530SavgLUAI_FUNC int luaS_eqlngstr (TString *a, TString *b); 39323530SavgLUAI_FUNC int luaS_eqstr (TString *a, TString *b); 40323530SavgLUAI_FUNC void luaS_resize (lua_State *L, int newsize); 41323530SavgLUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s, Table *e); 42323530SavgLUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l); 43323530SavgLUAI_FUNC TString *luaS_new (lua_State *L, const char *str); 44323530Savg 45323530Savg 46323530Savg#endif 47