x

Source/core/platform/SharedBuffer.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 15 matching lines @@
 
 #ifndef SharedBuffer_h
 #define SharedBuffer_h
 
 #include "wtf/ArrayBuffer.h"
 #include "wtf/Forward.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
+#include "core/platform/chromium/TraceEvent.h"
 
 namespace WebCore {
 
 class PurgeableBuffer;
 
 class SharedBuffer : public RefCounted<SharedBuffer> {
 public:
     static PassRefPtr<SharedBuffer> create() { return adoptRef(new SharedBuffer); }
     static PassRefPtr<SharedBuffer> create(size_t size) { return adoptRef(new SharedBuffer(size)); }
     static PassRefPtr<SharedBuffer> create(const char* c, int i) { return adoptRef(new SharedBuffer(c, i)); }
@@ skipping 44 matching lines @@
     //          pos += length;
     //      }
     unsigned getSomeData(const char*& data, unsigned position = 0) const;
 
     void createPurgeableBuffer() const;
 
     // Creates an ArrayBuffer and copies this SharedBuffer's contents to that
     // ArrayBuffer without merging segmented buffers into a flat buffer.
     PassRefPtr<ArrayBuffer> getAsArrayBuffer() const;
 
+    void setDebug(const String& debug) { m_debug = debug; }
+    String debug() const { return m_debug; }
+
 private:
     SharedBuffer();
     explicit SharedBuffer(size_t);
     SharedBuffer(const char*, int);
     SharedBuffer(const unsigned char*, int);
 
     // Calling this function will force internal segmented buffers
     // to be merged into a flat buffer. Use getSomeData() whenever possible
     // for better performance.
     // As well, be aware that this method does *not* return any purgeable
     // memory, which can be a source of bugs.
     const Vector<char>& buffer() const;
 
     unsigned m_size;
     mutable Vector<char> m_buffer;
     mutable Vector<char*> m_segments;
     mutable OwnPtr<PurgeableBuffer> m_purgeableBuffer;
+    String m_debug;
 };
 
+inline const char *debug(const SharedBuffer* b) { return TRACE_STR_COPY(b ? b->debug().ascii().data() : "NO-DATA"); }
+
 } // namespace WebCore
 
 #endif // SharedBuffer_h