hashptr.h: use inline functions instead of #define

[libfirm] / ir / ident / ident.c

diff --git a/ir/ident/ident.c b/ir/ident/ident.c
index 6b46413..8a23dfa 100644 (file)
--- a/ir/ident/ident.c
+++ b/ir/ident/ident.c
@@ -1,97 +1,114 @@
-/* Ident --- unique handles for identifiers
-   Copyright (C) 1995, 1996 Markus Armbruster
-   All rights reserved. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief     Hash table to store names.
+ * @author    Goetz Lindenmaier
+ */
+#include "config.h"
 
 #include <assert.h>
 #include <ctype.h>
+#include <stdio.h>
 #include <string.h>
-#include "array.h"
-#include "tune.h"
-#include "ident.h"
-#include "xprintf.h"
+#include <stddef.h>
+#include <stdlib.h>
 
-#define XX_USER(name) ident *id_##name;
-#define XX_INTERNAL(name, str) XX_USER(name)
-//#include "xx_ident.h"
-#undef XX_USER
-#undef XX_INTERNAL
+#include "ident_t.h"
+#include "set.h"
+#include "xmalloc.h"
+#include "hashptr.h"
 
-set *id_set;
+static set *id_set;
 
+void init_ident(void)
+{
+       /* it's ok to use memcmp here, we check only strings */
+       id_set = new_set(memcmp, 128);
+}
 
-ident *
-new_id_derived (const char *pfx, ident *id)
+ident *new_id_from_chars(const char *str, size_t len)
 {
-  int pfx_len = strlen (pfx);
-  int len = pfx_len + ID_TO_STRLEN (id);
-  char *str = alloca (len);
+       unsigned hash   = hash_data((const unsigned char*)str, len);
+       ident   *result = (ident*) set_hinsert0(id_set, str, len, hash);
+       return result;
+}
 
-  memcpy (str, pfx, pfx_len);
-  memcpy (str+pfx_len, ID_TO_STR (id), ID_TO_STRLEN (id));
-  return ID_FROM_STR (str, pfx_len + ID_TO_STRLEN (id));
+ident *new_id_from_str(const char *str)
+{
+       assert(str != NULL);
+       return new_id_from_chars(str, strlen(str));
 }
 
+const char *get_id_str(ident *id)
+{
+       struct set_entry *entry = (struct set_entry*) id;
+       return (const char*) entry->dptr;
+}
 
-ident *
-new_id_internal (void)
+size_t get_id_strlen(ident *id)
 {
-  static char str[] = "_0000000";
-  int i;
-
-  i = sizeof (str) - 2;
-  while (++str[i] == '9'+1) {
-    str[i--] = '0';
-    /* if following assertion fails, we get called far too often ;-) */
-    assert (i >= 0);
-  }
-  assert (('0' <= str[i]) && (str[i] <= '9'));
-
-  return ID_FROM_STR (str, sizeof (str) - 1);
+       struct set_entry *entry = (struct set_entry*) id;
+       return entry->size;
 }
 
+void finish_ident(void)
+{
+       del_set(id_set);
+       id_set = NULL;
+}
 
-bool
-id_is_internal (ident *id)
+int id_is_prefix(ident *prefix, ident *id)
 {
-  assert (ID_TO_STRLEN (id));
-  return !!ispunct (ID_TO_STR(id)[0]);
+       size_t prefix_len = get_id_strlen(prefix);
+       if (prefix_len > get_id_strlen(id))
+               return 0;
+       return 0 == memcmp(get_id_str(prefix), get_id_str(id), prefix_len);
 }
 
+int id_is_suffix(ident *suffix, ident *id)
+{
+       size_t suflen = get_id_strlen(suffix);
+       size_t idlen  = get_id_strlen(id);
+       const char *part;
 
-#ifndef NDEBUG
+       if (suflen > idlen)
+               return 0;
 
-void
-ids_vrfy (ident **id)
-{
-  int i;
+       part = get_id_str(id);
+       part = part + (idlen - suflen);
 
-  for (i = 0;  i < ARR_LEN (id);  ++i) {
-    ID_VRFY (id[i]);
-  }
+       return 0 == memcmp(get_id_str(suffix), part, suflen);
 }
 
-#endif
-
-int
-ident_print (XP_PAR1, const xprintf_info *info ATTRIBUTE((unused)), XP_PARN)
+int id_contains_char(ident *id, char c)
 {
-  ident *id = XP_GETARG (ident *, 0);
-  return XPMR (ID_TO_STR (id), ID_TO_STRLEN (id));
+       return strchr(get_id_str(id), c) != NULL;
 }
 
-
-void
-id_init (void)
+ident *id_unique(const char *tag)
 {
-  id_set = new_set (memcmp, TUNE_NIDENTS);
+       static unsigned unique_id = 0;
+       char buf[256];
 
-#define XX_USER(name) id_##name = ID_FROM_STR(#name, sizeof(#name)- 1);
-#define XX_INTERNAL(name, str) id_##name = ID_FROM_STR((str), sizeof((str))-1);
-  //#include "xx_ident.h"
-#undef XX_USER
-#undef XX_INTERNAL
+       snprintf(buf, sizeof(buf), tag, unique_id);
+       unique_id++;
+       return new_id_from_str(buf);
 }