debugger/Breakpoint.h

   1 /*
   2  * Copyright (C) 2013 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef Breakpoint_h
  27 #define Breakpoint_h
  28
  29 #include "DebuggerPrimitives.h"
  30 #include <wtf/DoublyLinkedList.h>
  31 #include <wtf/RefCounted.h>
  32 #include <wtf/text/WTFString.h>
  33
  34 namespace JSC {
  35
  36 struct Breakpoint : public DoublyLinkedListNode<Breakpoint> {
  37     Breakpoint()
  38         : id(noBreakpointID)
  39         , sourceID(noSourceID)
  40         , line(0)
  41         , column(0)
  42         , autoContinue(false)
  43     {
  44     }
  45
  46     Breakpoint(SourceID sourceID, unsigned line, unsigned column, String condition, bool autoContinue)
  47         : id(noBreakpointID)
  48         , sourceID(sourceID)
  49         , line(line)
  50         , column(column)
  51         , condition(condition)
  52         , autoContinue(autoContinue)
  53     {
  54     }
  55
  56     Breakpoint(const Breakpoint& other)
  57         : id(other.id)
  58         , sourceID(other.sourceID)
  59         , line(other.line)
  60         , column(other.column)
  61         , condition(other.condition)
  62         , autoContinue(other.autoContinue)
  63     {
  64     }
  65
  66     BreakpointID id;
  67     SourceID sourceID;
  68     unsigned line;
  69     unsigned column;
  70     String condition;
  71     bool autoContinue;
  72
  73     static const unsigned unspecifiedColumn = UINT_MAX;
  74
  75 private:
  76     Breakpoint* m_prev;
  77     Breakpoint* m_next;
  78
  79     friend class WTF::DoublyLinkedListNode<Breakpoint>;
  80 };
  81
  82 class BreakpointsList : public DoublyLinkedList<Breakpoint>,
  83     public RefCounted<BreakpointsList> {
  84 public:
  85     ~BreakpointsList()
  86     {
  87         Breakpoint* breakpoint;
  88         while ((breakpoint = removeHead()))
  89             delete breakpoint;
  90         ASSERT(isEmpty());
  91     }
  92 };
  93
  94 } // namespace JSC
  95
  96 #endif // Breakpoint_h