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 ident *new_id_from_str(const char *str)
53 return id_from_str(str, strlen(str));
56 INLINE const char *id_to_str(ident *id)
58 return (const char *)id->dptr;
61 INLINE int id_to_strlen(ident *id)
66 int id_is_prefix(ident *prefix, ident *id)
68 if (id_to_strlen(prefix) > id_to_strlen(id)) return 0;
69 return 0 == memcmp(prefix->dptr, id->dptr, id_to_strlen(prefix));
72 int id_is_suffix(ident *suffix, ident *id)
74 int suflen = id_to_strlen(suffix);
75 int idlen = id_to_strlen(id);
78 if (suflen > idlen) return 0;
80 part = (char *)id->dptr;
81 part = part + (idlen - suflen);
83 return 0 == memcmp(suffix->dptr, part, suflen);
86 int id_contains_char(ident *id, char c)
88 return strchr(id_to_str(id), c) != NULL;
91 int print_id (ident *id)
93 return xprintf("%I", id);
96 int fprint_id (FILE *F, ident *id)
98 return xfprintf(F, "%I", id);
102 ident_print (XP_PAR1, const xprintf_info *info ATTRIBUTE((unused)), XP_PARN)
104 ident *id = XP_GETARG (ident *, 0);
105 return XPMR (ID_TO_STR (id), ID_TO_STRLEN (id));