/*
- * Project: libFIRM
- * File name: ir/common/ident.c
- * Purpose: Hash table to store names.
- * Author: Goetz Lindenmaier
- * Modified by:
- * Created:
- * CVS-ID: $Id$
- * Copyright: (c) 1999-2003 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * 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
+ * @version $Id$
+ */
#ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
#endif
#include <assert.h>
#include <ctype.h>
+#include <stdio.h>
#include <string.h>
#include <stddef.h>
#include <stdlib.h>
+#ifdef FIRM_ENABLE_WCHAR
+#include <wchar.h>
+#endif
+
#include "ident_t.h"
#include "set.h"
+#include "xmalloc.h"
+
+/* for debugging only, not the real implementation */
+struct _ident {
+ char reserved[sizeof(unsigned) + sizeof(size_t)];
+ char data[1];
+};
/** The current ident module implementation. */
static ident_if_t impl;
*
* @param handle the handle for the set
* @param str the string which shall be stored
+ * @param len length of str in bytes
*
* @return id - a handle for the generated ident
*
{
set *id_set = handle;
- assert(len > 0);
- return (ident *)set_hinsert0(id_set, str, len, ID_HASH(str, len));
+ /* GL: Who added this assert? And why? */
+ //assert(len > 0);
+ return (ident *)set_hinsert0(id_set, str, len, ID_HASH(unsigned char, str, len));
}
/**
*
* @param handle the handle for the set
* @param str the string (or whatever) which shall be stored
- * @param len the length of the data in bytes
*
* Default implementation using libfirm sets.
*/
static const char *set_get_id_str(void *handle, ident *id)
{
struct set_entry *entry = (struct set_entry *)id;
+ (void) handle;
return (const char *)entry->dptr;
}
static int set_get_id_strlen(void *handle, ident *id)
{
struct set_entry *entry = (struct set_entry *)id;
+ (void) handle;
return entry->size;
}
return strlen(impl.get_id_str(handle, id));
}
+#ifdef FIRM_ENABLE_WCHAR
+/**
+ * Stores a wide character string in the ident module and returns a
+ * handle for the string.
+ *
+ * @param handle the handle for the set
+ * @param wstr the wide character string which shall be stored
+ * @param len length of wstr
+ *
+ * @return id - a handle for the generated ident
+ *
+ * Default implementation using libfirm sets.
+ */
+static ident *set_new_id_from_wchars(void *handle, const wchar_t *wstr, int len)
+{
+ set *id_set = handle;
+ wchar_t *tmp;
+
+ /* can't use hinsert0 here, so copy and add a 0 */
+ tmp = alloca((len + 1) * sizeof(*tmp));
+ memcpy(tmp, wstr, len * sizeof(*tmp));
+ tmp[len] = L'\0';
+
+ return (ident *)set_hinsert(id_set, tmp, (len + 1) * sizeof(wchar_t), ID_HASH(wchar_t, tmp, len));
+}
+
+/**
+ * Stores a wide character string in the ident module and
+ * returns a handle for the string.
+ *
+ * @param handle the handle for the set
+ * @param wstr the wide character string which shall be stored
+ *
+ * Default implementation using libfirm sets.
+ */
+static ident *set_new_id_from_wcs(void *handle, const wchar_t *wstr)
+{
+ assert(wstr);
+ return (ident *)set_new_id_from_wchars(handle, wstr, wcslen(wstr));
+}
+
+/**
+ * Returns a wide character string represented by an ident.
+ *
+ * @param handle the handle for the set
+ * @param id the ident
+ *
+ * Default implementation using libfirm sets.
+ */
+static const wchar_t *set_get_id_wcs(void *handle, ident *id)
+{
+ struct set_entry *entry = (struct set_entry *)id;
+
+ return (const wchar_t *)entry->dptr;
+}
+
+/**
+ * Returns the length of the string represented by an ident.
+ *
+ * @param handle the handle for the set
+ * @param id the ident
+ *
+ * Default implementation using libfirm sets.
+ */
+static int set_get_id_wcslen(void *handle, ident *id)
+{
+ struct set_entry *entry = (struct set_entry *)id;
+
+ /* len + \0 is stored for wchar_t */
+ return entry->size / sizeof(wchar_t) - 1;
+}
+
+/**
+ * Default implementation if no new_id_from_wcs() is provided.
+ */
+static ident *def_new_id_from_wcs(void *handle, const wchar_t *wstr)
+{
+ return impl.new_id_from_wchars(handle, wstr, wcslen(wstr));
+}
+
+/**
+ * Default implementation if no new_id_from_wchars() is provided.
+ */
+static ident *def_new_id_from_wchars(void *handle, const wchar_t *wstr, int len)
+{
+ return impl.new_id_from_chars(handle, (const char *)wstr, (len + 1) * sizeof(wchar_t));
+}
+
+/**
+ * Default implementation if no get_id_wcs() is provided.
+ */
+static const wchar_t *def_get_id_wcs(void *handle, ident *id)
+{
+ return (const wchar_t *)impl.get_id_str(handle, id);
+}
+
+/**
+ * Default implementation if no get_id_wcslen() is provided.
+ */
+static int def_get_id_wcslen(void *handle, ident *id)
+{
+ return wcslen(impl.get_id_wcs(handle, id));
+}
+#endif /* FIRM_ENABLE_WCHAR */
+
/* Initialize the ident module. */
void init_ident(ident_if_t *id_if, int initial_n_idents)
{
impl.new_id_from_str = def_new_id_from_str;
if (! impl.get_id_strlen)
impl.get_id_strlen = def_get_id_strlen;
+
+#ifdef FIRM_ENABLE_WCHAR
+ if (! impl.new_id_from_wcs)
+ impl.new_id_from_wcs = def_new_id_from_wcs;
+ if (! impl.new_id_from_wchars)
+ impl.new_id_from_wchars = def_new_id_from_wchars;
+ if (! impl.get_id_wcs)
+ impl.get_id_wcs = def_get_id_wcs;
+ if (! impl.get_id_wcslen)
+ impl.get_id_wcslen = def_get_id_wcslen;
+#endif /* FIRM_ENABLE_WCHAR */
}
else {
- impl.new_id_from_str = set_new_id_from_str;
- impl.new_id_from_chars = set_new_id_from_chars;
- impl.get_id_str = set_get_id_str;
- impl.get_id_strlen = set_get_id_strlen;
- impl.finish_ident = set_finish_ident;
+ impl.new_id_from_str = set_new_id_from_str;
+ impl.new_id_from_chars = set_new_id_from_chars;
+ impl.get_id_str = set_get_id_str;
+ impl.get_id_strlen = set_get_id_strlen;
+ impl.finish_ident = set_finish_ident;
+#ifdef FIRM_ENABLE_WCHAR
+ impl.new_id_from_wcs = set_new_id_from_wcs;
+ impl.new_id_from_wchars = set_new_id_from_wchars;
+ impl.get_id_wcs = set_get_id_wcs;
+ impl.get_id_wcslen = set_get_id_wcslen;
+#endif /* FIRM_ENABLE_WCHAR */
impl.handle = new_set(memcmp, initial_n_idents);
}
return strchr(get_id_str(id), c) != NULL;
}
-int print_id (ident *id)
+ident *id_unique(const char *tag)
+{
+ static unsigned unique_id = 0;
+ char buf[256];
+
+ snprintf(buf, sizeof(buf), tag, unique_id);
+ unique_id++;
+ return new_id_from_str(buf);
+}
+
+#ifdef FIRM_ENABLE_WCHAR
+
+ident *new_id_from_wcs (const wchar_t *str)
+{
+ assert(str);
+ return impl.new_id_from_wcs(impl.handle, str);
+}
+
+ident *new_id_from_wchars (const wchar_t *str, int len)
+{
+ assert(len > 0);
+ return impl.new_id_from_wchars(impl.handle, str, len);
+}
+
+const wchar_t *get_id_wcs(ident *id)
+{
+ return impl.get_id_wcs(impl.handle, id);
+}
+
+int get_id_wcslen(ident *id)
{
- return printf("%s", get_id_str(id));
+ return impl.get_id_wcslen(impl.handle, id);
}
-int fprint_id (FILE *F, ident *id)
+int id_contains_wchar (ident *id, wchar_t c)
{
- return fprintf(F, "%s", get_id_str(id));
+ return wcschr(get_id_wcs(id), c) != NULL;
}
+
+#endif /* FIRM_ENABLE_WCHAR */
projects / libfirm / blobdiff