1 /* Ident --- unique handles for identifiers
2 Copyright (C) 1995, 1996 Markus Armbruster
3 All rights reserved. */
22 #define ID_TO_STR(id) ((const char *)&(id)->dptr[0])
23 #define ID_TO_STRLEN(id) ((id)->size)
24 #define ID_TO_HASH(id) ((long)(id) + (id)->hash)
26 /* Vormals Debugunterstuetzung, entfernt (debug.h). */
27 # define ID_VRFY(id) ((void)0)
28 # define IDS_VRFY(id) ((void)0)
31 # define id_stats() set_stats (id_set)
33 # define id_stats() ((void)0)
41 id_set = new_set(memcmp, TUNE_NIDENTS);
44 INLINE ident *id_from_str (const char *str, int len)
47 return set_hinsert0(id_set, str, len, ID_HASH(str, len));
50 INLINE const char *id_to_str(ident *id)
52 return (const char *)id->dptr;
55 INLINE int id_to_strlen(ident *id)
60 int id_is_prefix (ident *prefix, ident *id)
62 if (id_to_strlen(prefix) > id_to_strlen(id)) return 0;
63 return 0 == memcmp(prefix->dptr, id->dptr, id_to_strlen(prefix));
66 int id_is_suffix (ident *suffix, ident *id)
68 int suflen = id_to_strlen(suffix);
69 int idlen = id_to_strlen(id);
72 if (suflen > idlen) return 0;
74 part = (char *)id->dptr;
75 part = part + (idlen - suflen);
77 return 0 == memcmp(suffix->dptr, part, suflen);
80 int print_id (ident *id)
82 return xprintf("%I", id);
85 int fprint_id (FILE *F, ident *id)
87 return xfprintf(F, "%I", id);
91 ident_print (XP_PAR1, const xprintf_info *info ATTRIBUTE((unused)), XP_PARN)
93 ident *id = XP_GETARG (ident *, 0);
94 return XPMR (ID_TO_STR (id), ID_TO_STRLEN (id));