/lua/lstring.h

https://bitbucket.org/cesbo/astra · C Header · 46 lines · 20 code · 15 blank · 11 comment · 4 complexity · ef3097e917bfe63517feae33bd204c14 MD5 · raw file

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