lua/tree.h

32 lines
773 B
C

/*
** tree.h
** TecCGraf - PUC-Rio
** $Id: tree.h,v 1.14 1996/02/26 17:07:49 roberto Exp roberto $
*/
#ifndef tree_h
#define tree_h
#include "types.h"
#define NOT_USED 0xFFFE
typedef struct TaggedString
{
int tag; /* if != LUA_T_STRING, this is a userdata */
long size;
Word varindex; /* != NOT_USED if this is a symbol */
Word constindex; /* != NOT_USED if this is a constant */
unsigned long hash; /* 0 if not initialized */
int marked; /* for garbage collection; never collect (nor change) if > 1 */
char str[1]; /* \0 byte already reserved; MAY BE NOT 0 TERMINATED!! */
} TaggedString;
TaggedString *lua_createstring (char *str);
TaggedString *luaI_createuserdata (char *buff, long size, int tag);
Long lua_strcollector (void);
#endif