#include <stddef.h>
#include <stdlib.h>
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#endif
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#ifdef FIRM_ENABLE_WCHAR
+#include <wchar.h>
+#endif
+
#include "ident_t.h"
#include "set.h"
/* GL: Who added this assert? And why? */
//assert(len > 0);
- return (ident *)set_hinsert0(id_set, str, len, ID_HASH(str, len));
+ return (ident *)set_hinsert0(id_set, str, len, ID_HASH(unsigned char, str, len));
}
/**
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)
+#ifdef FIRM_ENABLE_WCHAR
+
+ident *new_id_from_wcs (const wchar_t *str)
{
- return printf("%s", get_id_str(id));
+ assert(str);
+ return impl.new_id_from_wcs(impl.handle, str);
}
-int fprint_id (FILE *F, ident *id)
+ident *new_id_from_wchars (const wchar_t *str, int len)
{
- return fprintf(F, "%s", get_id_str(id));
+ 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 impl.get_id_wcslen(impl.handle, id);
+}
+
+int id_contains_wchar (ident *id, wchar_t c)
+{
+ return wcschr(get_id_wcs(id), c) != NULL;
+}
+
+#endif /* FIRM_ENABLE_WCHAR */
*
* Identifiers are used in the firm library. This is the interface to it.
*/
+#ifndef _IDENT_H_
+#define _IDENT_H_
+#include "firm_config.h"
-# ifndef _IDENT_H_
-# define _IDENT_H_
-
-# include <stdio.h>
-# include <assert.h>
-# include "firm_common.h"
+#ifdef FIRM_ENABLE_WCHAR
+#include <wchar.h>
+#endif
/* Identifiers */
* The ident module interface.
*/
typedef struct _ident_if_t {
+ /** The handle. */
+ void *handle;
+
/**
* Store a string and create an ident.
* This function may be NULL, new_id_from_chars()
*/
void (*finish_ident)(void *handle);
- /** The handle. */
- void *handle;
+#ifdef FIRM_ENABLE_WCHAR
+ /**
+ * Store a wide character string and create an ident.
+ * This function may be NULL, new_id_from_wchars()
+ * is then used to emulate it's behavior.
+ *
+ * @param wstr - the string which shall be stored
+ */
+ ident *(*new_id_from_wcs)(void *handle, const wchar_t *wstr);
+
+ /**
+ * Store a wide character string and create an ident.
+ * This function may be NULL, new_id_from_chars() is then used appropriate.
+ * Beware: the string might not be stored at a right alignment!
+ *
+ * @param wstr - the wide character string which shall be stored
+ * @param len - the length of the string
+ */
+ ident *(*new_id_from_wchars)(void *handle, const wchar_t *wstr, int len);
+
+ /**
+ * Returns a wide character string represented by an ident.
+ * This function may be NULL, get_id_str() is then used.
+ * This assume that the strings are stored at an address aligned
+ * for wchar_t, so beware!
+ */
+ const wchar_t *(*get_id_wcs)(void *handle, ident *id);
+ /**
+ * Returns the length of the string represented by an ident.
+ * This function may be NULL, get_id_wcs() is then used
+ * to emulate it's behavior.
+ *
+ * @param id - the ident
+ */
+ int (*get_id_wcslen)(void *handle, ident *id);
+#endif
} ident_if_t;
/**
* @see new_id_from_str(), new_id_from_chars(), get_id_str()
*/
int get_id_strlen(ident *id);
+
/**
* Returns true if prefix is a prefix of an ident.
*
*/
int id_contains_char (ident *id, char c);
+#ifdef FIRM_ENABLE_WCHAR
/**
- * Prints the ident to stdout.
+ * Store a wide character string and create an ident.
+ *
+ * Stores a string in the ident module and returns a handle for the string.
*
- * @param id - The ident to be printed.
+ * Copies the string. @p str must be zero terminated
+ *
+ * @param str - the wide character string which shall be stored
*
- * @return
- * number of bytes written
+ * @return id - a handle for the generated ident
*
- * @see new_id_from_str(), new_id_from_chars(), get_id_str(), id_is_prefix(), fprint_id()
+ * @see get_id_wcs(), get_id_wcs()
*/
-int print_id (ident *id);
+ident *new_id_from_wcs (const wchar_t *str);
+
+/** Store a wide character string and create an ident.
+ *
+ * Stores a string in the ident module and returns a handle for the string.
+ * Copies the string. This version takes non-zero-terminated strings.
+ *
+ * @param wstr - the wide character string (or whatever) which shall be stored
+ * @param len - the length of string
+ *
+ * @return id - a handle for the generated ident
+ *
+ * @see new_id_from_str(), get_id_strlen()
+ */
+ident *new_id_from_wchars (const wchar_t *str, int len);
/**
- * Prints the ident to the file passed.
+ * Returns a wide character string represented by an ident.
+ *
+ * Returns the string represented by id. This string is
+ * NULL terminated. The string may not be changed.
*
- * @param F - file pointer to print the ident to.
- * @param id - The ident to print and the file.
+ * @param id - the ident
*
- * @return
- * number of btes written
+ * @return cp - a string
*
- * @see new_id_from_str(), new_id_from_chars(), get_id_str(), id_is_prefix(), print_id()
+ * @see new_id_from_wcs(), new_id_from_wchars(), get_id_wcslen()
*/
-int fprint_id (FILE *F, ident *id);
+const wchar_t *get_id_wcs(ident *id);
+
+/**
+ * Returns the length of the wide character string represented by an ident.
+ *
+ * @param id - the ident
+ *
+ * @return len - the length of the string
+ *
+ * @see new_id_from_wcs(), new_id_from_wchars(), get_id_wcs()
+ */
+int get_id_wcslen(ident *id);
+
+/**
+ * Return true if an ident contains a given character.
+ *
+ * @param id - the ident
+ * @param c - the character
+ *
+ * @see new_id_from_wcs(), new_id_from_chars(), get_id_str()
+ */
+int id_contains_wchar (ident *id, wchar_t c);
+
+#endif /* FIRM_ENABLE_WCHAR */
# endif /* _IDENT_H_ */
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