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Side by Side Diff: third_party/WebKit/Source/platform/heap/Visitor.h

Issue 1609943003: Make platform/heap to use USING_FAST_MALLOC. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fixed compile error Created 4 years, 11 months ago
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1 /* 1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved. 2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
(...skipping 17 matching lines...) Expand all
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */ 29 */
30 30
31 #ifndef Visitor_h 31 #ifndef Visitor_h
32 #define Visitor_h 32 #define Visitor_h
33 33
34 #include "platform/PlatformExport.h" 34 #include "platform/PlatformExport.h"
35 #include "platform/heap/GarbageCollected.h" 35 #include "platform/heap/GarbageCollected.h"
36 #include "platform/heap/StackFrameDepth.h" 36 #include "platform/heap/StackFrameDepth.h"
37 #include "platform/heap/ThreadState.h" 37 #include "platform/heap/ThreadState.h"
38 #include "wtf/Allocator.h"
38 #include "wtf/Assertions.h" 39 #include "wtf/Assertions.h"
39 #include "wtf/Atomics.h" 40 #include "wtf/Atomics.h"
40 #include "wtf/Deque.h" 41 #include "wtf/Deque.h"
41 #include "wtf/Forward.h" 42 #include "wtf/Forward.h"
42 #include "wtf/HashMap.h" 43 #include "wtf/HashMap.h"
43 #include "wtf/HashTraits.h" 44 #include "wtf/HashTraits.h"
44 #include "wtf/InstanceCounter.h" 45 #include "wtf/InstanceCounter.h"
45 #include "wtf/TypeTraits.h" 46 #include "wtf/TypeTraits.h"
46 47
47 namespace blink { 48 namespace blink {
48 49
49 template<typename T> class GarbageCollected; 50 template<typename T> class GarbageCollected;
50 class HeapObjectHeader; 51 class HeapObjectHeader;
51 class InlinedGlobalMarkingVisitor; 52 class InlinedGlobalMarkingVisitor;
52 template<typename T> class TraceTrait; 53 template<typename T> class TraceTrait;
53 template<typename T> class TraceEagerlyTrait; 54 template<typename T> class TraceEagerlyTrait;
54 class Visitor; 55 class Visitor;
55 56
56 // The TraceMethodDelegate is used to convert a trace method for type T to a Tra ceCallback. 57 // The TraceMethodDelegate is used to convert a trace method for type T to a Tra ceCallback.
57 // This allows us to pass a type's trace method as a parameter to the Persistent Node 58 // This allows us to pass a type's trace method as a parameter to the Persistent Node
58 // constructor. The PersistentNode constructor needs the specific trace method d ue an issue 59 // constructor. The PersistentNode constructor needs the specific trace method d ue an issue
59 // with the Windows compiler which instantiates even unused variables. This caus es problems 60 // with the Windows compiler which instantiates even unused variables. This caus es problems
60 // in header files where we have only forward declarations of classes. 61 // in header files where we have only forward declarations of classes.
61 template<typename T, void (T::*method)(Visitor*)> 62 template<typename T, void (T::*method)(Visitor*)>
62 struct TraceMethodDelegate { 63 struct TraceMethodDelegate {
64 STATIC_ONLY(TraceMethodDelegate);
63 static void trampoline(Visitor* visitor, void* self) 65 static void trampoline(Visitor* visitor, void* self)
64 { 66 {
65 (reinterpret_cast<T*>(self)->*method)(visitor); 67 (reinterpret_cast<T*>(self)->*method)(visitor);
66 } 68 }
67 }; 69 };
68 70
69 #define DECLARE_TRACE_IMPL(maybevirtual) \ 71 #define DECLARE_TRACE_IMPL(maybevirtual) \
70 public: \ 72 public: \
71 maybevirtual void trace(Visitor*); \ 73 maybevirtual void trace(Visitor*); \
72 maybevirtual void trace(InlinedGlobalMarkingVisitor); \ 74 maybevirtual void trace(InlinedGlobalMarkingVisitor); \
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381 private: 383 private:
382 static Visitor* fromHelper(VisitorHelper<Visitor>* helper) { return static_c ast<Visitor*>(helper); } 384 static Visitor* fromHelper(VisitorHelper<Visitor>* helper) { return static_c ast<Visitor*>(helper); }
383 385
384 const MarkingMode m_markingMode; 386 const MarkingMode m_markingMode;
385 bool m_isGlobalMarkingVisitor; 387 bool m_isGlobalMarkingVisitor;
386 }; 388 };
387 389
388 #if ENABLE(DETAILED_MEMORY_INFRA) 390 #if ENABLE(DETAILED_MEMORY_INFRA)
389 template<typename T> 391 template<typename T>
390 struct TypenameStringTrait { 392 struct TypenameStringTrait {
393 STATIC_ONLY(TypenameStringTrait);
391 static const String get() 394 static const String get()
392 { 395 {
393 return WTF::extractTypeNameFromFunctionName(WTF::extractNameFunction<T>( )); 396 return WTF::extractTypeNameFromFunctionName(WTF::extractNameFunction<T>( ));
394 } 397 }
395 }; 398 };
396 #endif 399 #endif
397 400
398 } // namespace blink 401 } // namespace blink
399 402
400 #endif // Visitor_h 403 #endif // Visitor_h
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