123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657 |
- /*
- ** $Id: lstring.h $
- ** String table (keep all strings handled by Lua)
- ** See Copyright Notice in lua.h
- */
- #ifndef lstring_h
- #define lstring_h
- #include "lgc.h"
- #include "lobject.h"
- #include "lstate.h"
- /*
- ** Memory-allocation error message must be preallocated (it cannot
- ** be created after memory is exhausted)
- */
- #define MEMERRMSG "not enough memory"
- /*
- ** Size of a TString: Size of the header plus space for the string
- ** itself (including final '\0').
- */
- #define sizelstring(l) (offsetof(TString, contents) + ((l) + 1) * sizeof(char))
- #define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \
- (sizeof(s)/sizeof(char))-1))
- /*
- ** test whether a string is a reserved word
- */
- #define isreserved(s) ((s)->tt == LUA_VSHRSTR && (s)->extra > 0)
- /*
- ** equality for short strings, which are always internalized
- */
- #define eqshrstr(a,b) check_exp((a)->tt == LUA_VSHRSTR, (a) == (b))
- LUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed);
- LUAI_FUNC unsigned int luaS_hashlongstr (TString *ts);
- LUAI_FUNC int luaS_eqlngstr (TString *a, TString *b);
- LUAI_FUNC void luaS_resize (lua_State *L, int newsize);
- LUAI_FUNC void luaS_clearcache (global_State *g);
- LUAI_FUNC void luaS_init (lua_State *L);
- LUAI_FUNC void luaS_remove (lua_State *L, TString *ts);
- LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s, int nuvalue);
- LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
- LUAI_FUNC TString *luaS_new (lua_State *L, const char *str);
- LUAI_FUNC TString *luaS_createlngstrobj (lua_State *L, size_t l);
- #endif
|