1 /* 2 * Copyright (c) 2010, Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef ScriptHeapSnapshot_h 32 #define ScriptHeapSnapshot_h 33 34 #include "wtf/RefCounted.h" 35 #include "wtf/text/WTFString.h" 36 37 namespace v8 { 38 class HeapSnapshot; 39 } 40 41 namespace WebCore { 42 43 typedef uint32_t SnapshotObjectId; 44 45 class ScriptHeapSnapshot FINAL : public RefCounted<ScriptHeapSnapshot> { 46 public: 47 class OutputStream { 48 public: ~OutputStream()49 virtual ~OutputStream() { } 50 virtual void Write(const String& chunk) = 0; 51 virtual void Close() = 0; 52 }; 53 create(const v8::HeapSnapshot * snapshot)54 static PassRefPtr<ScriptHeapSnapshot> create(const v8::HeapSnapshot* snapshot) 55 { 56 return adoptRef(new ScriptHeapSnapshot(snapshot)); 57 } 58 ~ScriptHeapSnapshot(); 59 60 String title() const; 61 unsigned int uid() const; 62 void writeJSON(OutputStream* stream); 63 SnapshotObjectId maxSnapshotJSObjectId() const; 64 65 private: ScriptHeapSnapshot(const v8::HeapSnapshot * snapshot)66 ScriptHeapSnapshot(const v8::HeapSnapshot* snapshot) 67 : m_snapshot(snapshot) 68 {} 69 70 const v8::HeapSnapshot* m_snapshot; 71 }; 72 73 } // namespace WebCore 74 75 #endif // ScriptHeapSnapshot_h 76