Get rid of unused file src/base/dbl_list.hh

diff --git a/src/base/dbl_list.hh b/src/base/dbl_list.hh
deleted file mode 100644 (file)
index 8fca729..0000000
--- a/src/base/dbl_list.hh
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Copyright (c) 2000-2001, 2003-2005 The Regents of The University of Michigan
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Authors: Steve Reinhardt
- */
-
-#ifndef __DBL_LIST_HH__
-#define __DBL_LIST_HH__
-
-class DblListEl {
-    DblListEl *next;
-    DblListEl *prev;
-
-    // remove this from list
-    void remove() {
-        prev->next = next;
-        next->prev = prev;
-    }
-
-    // insert this before old_el
-    void insertBefore(DblListEl *old_el) {
-        prev = old_el->prev;
-        next = old_el;
-        prev->next = this;
-        next->prev = this;
-    }
-
-    // insert this after old_el
-    void insertAfter(DblListEl *old_el) {
-        next = old_el->next;
-        prev = old_el;
-        next->prev = this;
-        prev->next = this;
-    }
-
-    friend class DblListBase;
-};
-
-
-//
-// doubly-linked list of DblListEl objects
-//
-class DblListBase {
-    // dummy list head element: dummy.next is head, dummy.prev is tail
-    DblListEl dummy;
-
-    // length counter
-    unsigned length;
-
-    DblListEl *valid_or_null(DblListEl *el) {
-        // make sure users never see the dummy element
-        return (el == &dummy) ? NULL : el;
-    }
-
-  public:
-
-    DblListEl *head() {
-        return valid_or_null(dummy.next);
-    }
-
-    DblListEl *tail() {
-        return valid_or_null(dummy.prev);
-    }
-
-    DblListEl *next(DblListEl *el) {
-        return valid_or_null(el->next);
-    }
-
-    DblListEl *prev(DblListEl *el) {
-        return valid_or_null(el->prev);
-    }
-
-    bool is_empty() {
-        return (dummy.next == &dummy);
-    }
-
-    void remove(DblListEl *el) {
-        el->remove();
-        --length;
-    }
-
-    void insertBefore(DblListEl *new_el, DblListEl *old_el) {
-        new_el->insertBefore(old_el);
-        ++length;
-    }
-
-    void insertAfter(DblListEl *new_el, DblListEl *old_el) {
-        new_el->insertAfter(old_el);
-        ++length;
-    }
-
-    // append to end of list, i.e. as dummy.prev
-    void append(DblListEl *el) {
-        insertBefore(el, &dummy);
-    }
-
-    // prepend to front of list (push), i.e. as dummy.next
-    void prepend(DblListEl *el) {
-        insertAfter(el, &dummy);
-    }
-
-    DblListEl *pop() {
-        DblListEl *hd = head();
-        if (hd != NULL)
-            remove(hd);
-        return hd;
-    }
-
-    // constructor
-    DblListBase() {
-        dummy.next = dummy.prev = &dummy;
-        length = 0;
-    }
-};
-
-
-//
-// Template class serves solely to cast args & return values
-// to appropriate type (T *)
-//
-template<class T> class DblList : private DblListBase {
-
-  public:
-
-    T *head() { return (T *)DblListBase::head(); }
-    T *tail() { return (T *)DblListBase::tail(); }
-
-    T *next(T *el) { return (T *)DblListBase::next(el); }
-    T *prev(T *el) { return (T *)DblListBase::prev(el); }
-
-    bool is_empty() { return DblListBase::is_empty(); }
-
-    void remove(T *el) { DblListBase::remove(el); }
-
-    void append(T *el) { DblListBase::append(el); }
-    void prepend(T *el) { DblListBase::prepend(el); }
-
-    T *pop() { return (T *)DblListBase::pop(); }
-
-    DblList<T>() { }
-};
-
-#endif // __DBL_LIST_HH__