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Commit | Line | Data |
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ba8b5c17 | 1 | /* |
2 | ** $Id: lstring.h,v 1.49 2012/02/01 21:57:15 roberto Exp $ | |
3 | ** String table (keep all strings handled by Lua) | |
4 | ** See Copyright Notice in lua.h | |
5 | */ | |
6 | ||
7 | #ifndef lstring_h | |
8 | #define lstring_h | |
9 | ||
10 | #include "lgc.h" | |
11 | #include "lobject.h" | |
12 | #include "lstate.h" | |
13 | ||
14 | ||
15 | #define sizestring(s) (sizeof(union TString)+((s)->len+1)*sizeof(char)) | |
16 | ||
17 | #define sizeudata(u) (sizeof(union Udata)+(u)->len) | |
18 | ||
19 | #define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \ | |
20 | (sizeof(s)/sizeof(char))-1)) | |
21 | ||
22 | #define luaS_fix(s) l_setbit((s)->tsv.marked, FIXEDBIT) | |
23 | ||
24 | ||
25 | /* | |
26 | ** test whether a string is a reserved word | |
27 | */ | |
28 | #define isreserved(s) ((s)->tsv.tt == LUA_TSHRSTR && (s)->tsv.extra > 0) | |
29 | ||
30 | ||
31 | /* | |
32 | ** equality for short strings, which are always internalized | |
33 | */ | |
34 | #define eqshrstr(a,b) check_exp((a)->tsv.tt == LUA_TSHRSTR, (a) == (b)) | |
35 | ||
36 | ||
37 | LUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed); | |
38 | LUAI_FUNC int luaS_eqlngstr (TString *a, TString *b); | |
39 | LUAI_FUNC int luaS_eqstr (TString *a, TString *b); | |
40 | LUAI_FUNC void luaS_resize (lua_State *L, int newsize); | |
41 | LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s, Table *e); | |
42 | LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l); | |
43 | LUAI_FUNC TString *luaS_new (lua_State *L, const char *str); | |
44 | ||
45 | ||
46 | #endif |