client/deps/liblua/lstring.h

   1 /*
   2 ** $Id: lstring.h $
   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 /*
  16 ** Memory-allocation error message must be preallocated (it cannot
  17 ** be created after memory is exhausted)
  18 */
  19 #define MEMERRMSG       "not enough memory"
  20
  21
  22 /*
  23 ** Size of a TString: Size of the header plus space for the string
  24 ** itself (including final '\0').
  25 */
  26 #define sizelstring(l)  (offsetof(TString, contents) + ((l) + 1) * sizeof(char))
  27
  28 #define luaS_newliteral(L, s)   (luaS_newlstr(L, "" s, \
  29                                  (sizeof(s)/sizeof(char))-1))
  30
  31
  32 /*
  33 ** test whether a string is a reserved word
  34 */
  35 #define isreserved(s)   ((s)->tt == LUA_VSHRSTR && (s)->extra > 0)
  36
  37
  38 /*
  39 ** equality for short strings, which are always internalized
  40 */
  41 #define eqshrstr(a,b)   check_exp((a)->tt == LUA_VSHRSTR, (a) == (b))
  42
  43
  44 LUAI_FUNC unsigned int luaS_hash(const char *str, size_t l, unsigned int seed);
  45 LUAI_FUNC unsigned int luaS_hashlongstr(TString *ts);
  46 LUAI_FUNC int luaS_eqlngstr(TString *a, TString *b);
  47 LUAI_FUNC void luaS_resize(lua_State *L, int newsize);
  48 LUAI_FUNC void luaS_clearcache(global_State *g);
  49 LUAI_FUNC void luaS_init(lua_State *L);
  50 LUAI_FUNC void luaS_remove(lua_State *L, TString *ts);
  51 LUAI_FUNC Udata *luaS_newudata(lua_State *L, size_t s, int nuvalue);
  52 LUAI_FUNC TString *luaS_newlstr(lua_State *L, const char *str, size_t l);
  53 LUAI_FUNC TString *luaS_new(lua_State *L, const char *str);
  54 LUAI_FUNC TString *luaS_createlngstrobj(lua_State *L, size_t l);
  55
  56
  57 #endif