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

Issue 1774943003: blink: Rename platform/ methods to prefix with get when they collide. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: clash-platform: rebase-yayyyyyyyy Created 4 years, 9 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
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159 // to be in; willObjectBeLazilySwept() has undefined behavior if passed 159 // to be in; willObjectBeLazilySwept() has undefined behavior if passed
160 // such a reference. 160 // such a reference.
161 template<typename T> 161 template<typename T>
162 NO_LAZY_SWEEP_SANITIZE_ADDRESS 162 NO_LAZY_SWEEP_SANITIZE_ADDRESS
163 static bool willObjectBeLazilySwept(const T* objectPointer) 163 static bool willObjectBeLazilySwept(const T* objectPointer)
164 { 164 {
165 static_assert(IsGarbageCollectedType<T>::value, "only objects deriving f rom GarbageCollected can be used."); 165 static_assert(IsGarbageCollectedType<T>::value, "only objects deriving f rom GarbageCollected can be used.");
166 BasePage* page = pageFromObject(objectPointer); 166 BasePage* page = pageFromObject(objectPointer);
167 if (page->hasBeenSwept()) 167 if (page->hasBeenSwept())
168 return false; 168 return false;
169 ASSERT(page->arena()->threadState()->isSweepingInProgress()); 169 ASSERT(page->arena()->getThreadState()->isSweepingInProgress());
170 170
171 return !Heap::isHeapObjectAlive(const_cast<T*>(objectPointer)); 171 return !Heap::isHeapObjectAlive(const_cast<T*>(objectPointer));
172 } 172 }
173 173
174 // Push a trace callback on the marking stack. 174 // Push a trace callback on the marking stack.
175 static void pushTraceCallback(void* containerObject, TraceCallback); 175 static void pushTraceCallback(void* containerObject, TraceCallback);
176 176
177 // Push a trace callback on the post-marking callback stack. These 177 // Push a trace callback on the post-marking callback stack. These
178 // callbacks are called after normal marking (including ephemeron 178 // callbacks are called after normal marking (including ephemeron
179 // iteration). 179 // iteration).
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245 static void postGC(BlinkGC::GCType); 245 static void postGC(BlinkGC::GCType);
246 246
247 // Conservatively checks whether an address is a pointer in any of the 247 // Conservatively checks whether an address is a pointer in any of the
248 // thread heaps. If so marks the object pointed to as live. 248 // thread heaps. If so marks the object pointed to as live.
249 static Address checkAndMarkPointer(Visitor*, Address); 249 static Address checkAndMarkPointer(Visitor*, Address);
250 250
251 static size_t objectPayloadSizeForTesting(); 251 static size_t objectPayloadSizeForTesting();
252 252
253 static void flushHeapDoesNotContainCache(); 253 static void flushHeapDoesNotContainCache();
254 254
255 static FreePagePool* freePagePool() { return s_freePagePool; } 255 static FreePagePool* getFreePagePool() { return s_freePagePool; }
256 static OrphanedPagePool* orphanedPagePool() { return s_orphanedPagePool; } 256 static OrphanedPagePool* getOrphanedPagePool() { return s_orphanedPagePool; }
257 257
258 // This look-up uses the region search tree and a negative contains cache to 258 // This look-up uses the region search tree and a negative contains cache to
259 // provide an efficient mapping from arbitrary addresses to the containing 259 // provide an efficient mapping from arbitrary addresses to the containing
260 // heap-page if one exists. 260 // heap-page if one exists.
261 static BasePage* lookup(Address); 261 static BasePage* lookup(Address);
262 static void addPageMemoryRegion(PageMemoryRegion*); 262 static void addPageMemoryRegion(PageMemoryRegion*);
263 static void removePageMemoryRegion(PageMemoryRegion*); 263 static void removePageMemoryRegion(PageMemoryRegion*);
264 264
265 static const GCInfo* gcInfo(size_t gcInfoIndex) 265 static const GCInfo* gcInfo(size_t gcInfoIndex)
266 { 266 {
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532 void VisitorHelper<Derived>::handleWeakCell(Visitor* self, void* object) 532 void VisitorHelper<Derived>::handleWeakCell(Visitor* self, void* object)
533 { 533 {
534 T** cell = reinterpret_cast<T**>(object); 534 T** cell = reinterpret_cast<T**>(object);
535 if (*cell && !ObjectAliveTrait<T>::isHeapObjectAlive(*cell)) 535 if (*cell && !ObjectAliveTrait<T>::isHeapObjectAlive(*cell))
536 *cell = nullptr; 536 *cell = nullptr;
537 } 537 }
538 538
539 } // namespace blink 539 } // namespace blink
540 540
541 #endif // Heap_h 541 #endif // Heap_h
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