X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fident%2Fident.h;h=e15fdabbaa829d03736f2afd56083482c5284d90;hb=184602875611495e608c27263d0a5a8f24078a70;hp=63cbd8b3d0bc143f41f4755566243e57eecd56b1;hpb=c201fe69b5fcb5a8430afafe2e15946cab4e45c4;p=libfirm

diff --git a/ir/ident/ident.h b/ir/ident/ident.h
index 63cbd8b3d..e15fdabba 100644
--- a/ir/ident/ident.h
+++ b/ir/ident/ident.h
@@ -1,22 +1,204 @@
-/* Declarations for ident.
-   Copyright (C) 1995, 1996 Markus Armbruster */
+/*
+ * Project:     libFIRM
+ * File name:   ir/common/ident_t.h
+ * Purpose:     Data type for unique 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.
+ */
+/**
+ * @file ident.h
+ *
+ * Declarations for identifiers in the firm library
+ *
+ * Identifiers are used in the firm library. This is the interface to it.
+ */
 
-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Martin Trapp, Christian Schaefer
-*/
 
 # ifndef _IDENT_H_
 # define _IDENT_H_
 
-# include "assert.h"
+# include <stdio.h>
+# include <assert.h>
+# include "firm_common.h"
 
 /* Identifiers */
-typedef const struct set_entry ident;
 
-inline ident      *id_from_str (char *str, int len);
-inline const char *id_to_str   (ident *id);
-inline int         id_to_strlen(ident *id);
+/**
+ *  The abstract data type ident.
+ *
+ *  An ident represents an unique string. The == operator
+ *  is sufficient to compare two idents.
+ */
+#ifndef _IDENT_TYPEDEF_
+#define _IDENT_TYPEDEF_
+typedef const struct s_ident ident;
+#endif
+
+/**
+ * The ident module interface.
+ */
+typedef struct _ident_if_t {
+  /**
+   * Store a string and create an ident.
+   * This function may be NULL, new_id_from_chars()
+   * is then used to emulate it's behavior.
+   *
+   * @param str - the string which shall be stored
+   */
+  ident *(*new_id_from_str)(void *handle, const char *str);
+
+  /**
+   * Store a string and create an ident.
+   *
+   * @param str - the string (or whatever) which shall be stored
+   * @param len - the length of the data in bytes
+   */
+  ident *(*new_id_from_chars)(void *handle, const char *str, int len);
+
+  /**
+   * Returns a string represented by an ident.
+   */
+  const char *(*get_id_str)(void *handle, ident *id);
+
+  /**
+   * Returns the length of the string represented by an ident.
+   * This function may be NULL, get_id_str() is then used
+   * to emulate it's behavior.
+   *
+   * @param id - the ident
+   */
+  int  (*get_id_strlen)(void *handle, ident *id);
+
+  /**
+   * Finish the ident module and frees all idents, may be NULL.
+   */
+  void (*finish_ident)(void *handle);
+
+  /** The handle. */
+  void *handle;
+
+} ident_if_t;
+
+/**
+ *  Store a string and create an ident.
+ *
+ *  Stores a string in the ident module and returns a handle for the string.
+ *
+ *  Copies the string. @p str must be zero terminated
+ *
+ * @param str - the string which shall be stored
+ *
+ * @return id - a handle for the generated ident
+ *
+ * @see get_id_str(), get_id_strlen()
+ */
+ident *new_id_from_str (const char *str);
+
+/** Store a 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 str - the string (or whatever) which shall be stored
+ * @param len - the length of the data in bytes
+ *
+ * @return id - a handle for the generated ident
+ *
+ * @see new_id_from_str(), get_id_strlen()
+ */
+ident *new_id_from_chars (const char *str, int len);
+
+/**
+ * Returns a string represented by an ident.
+ *
+ * Returns the string represented by id. This string is
+ * NULL terminated. The string may not be changed.
+ *
+ * @param id - the ident
+ *
+ * @return cp - a string
+ *
+ * @see new_id_from_str(), new_id_from_chars(), get_id_strlen()
+ */
+const char *get_id_str  (ident *id);
+
+/**
+ * Returns the length of the string represented by an ident.
+ *
+ * @param id - the ident
+ *
+ * @return len - the length of the string
+ *
+ * @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.
+ *
+ * @param prefix - the prefix
+ * @param id     - the ident
+ *
+ * @see new_id_from_str(), new_id_from_chars(), get_id_str(), id_is_prefix()
+ */
+int id_is_prefix (ident *prefix, ident *id);
+
+/**
+ * Returns true if suffix is a suffix of an ident.
+ *
+ * @param suffix - the suffix
+ * @param id     - the ident
+ *
+ * @see new_id_from_str(), new_id_from_chars(), get_id_str(), id_is_prefix()
+ */
+int id_is_suffix (ident *suffix, ident *id);
+
+/**
+ * Returns true if infix is contained in id.  (Can be suffix or prefix)
+ *
+ * @param infix  - the infix
+ * @param id     - the ident to search in
+ *
+ * @see new_id_from_str(), new_id_from_chars(), get_id_str(), id_is_prefix()
+ */
+/* int id_contains(ident *infix, ident *id); */
+
+/**
+ * Return true if an ident contains a given character.
+ *
+ * @param id     - the ident
+ * @param c      - the character
+ *
+ * @see new_id_from_str(), new_id_from_chars(), get_id_str()
+ */
+int id_contains_char (ident *id, char c);
+
+/**
+ * Prints the ident to stdout.
+ *
+ * @param id - The ident to be printed.
+ *
+ * @return
+ *    number of bytes written
+ *
+ * @see new_id_from_str(), new_id_from_chars(), get_id_str(), id_is_prefix(), fprint_id()
+ */
+int print_id (ident *id);
+
+/**
+ * Prints the ident to the file passed.
+ *
+ * @param F  - file pointer to print the ident to.
+ * @param id - The ident to print and the file.
+ *
+ * @return
+ *    number of btes written
+ *
+ * @see new_id_from_str(), new_id_from_chars(), get_id_str(), id_is_prefix(), print_id()
+ */
+int fprint_id (FILE *F, ident *id);
 
 # endif /* _IDENT_H_ */