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Side by Side Diff: third_party/WebKit/Source/wtf/TypeTraits.h

Issue 1433983002: Rename IsAllowOnlyInlineAllocation<T> to AllowsOnlyPlacementNew<T>. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 1 month ago
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1 /* 1 /*
2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
3 * Copyright (C) 2009, 2010 Google Inc. All rights reserved. 3 * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
4 * 4 *
5 * This library is free software; you can redistribute it and/or 5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public 6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either 7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version. 8 * version 2 of the License, or (at your option) any later version.
9 * 9 *
10 * This library is distributed in the hope that it will be useful, 10 * This library is distributed in the hope that it will be useful,
(...skipping 335 matching lines...) Expand 10 before | Expand all | Expand 10 after
346 }; 346 };
347 347
348 template <typename T, typename U> 348 template <typename T, typename U>
349 struct NeedsTracing<std::pair<T, U>> { 349 struct NeedsTracing<std::pair<T, U>> {
350 static const bool value = NeedsTracing<T>::value || NeedsTracing<U>::value | | IsWeak<T>::value || IsWeak<U>::value; 350 static const bool value = NeedsTracing<T>::value || NeedsTracing<U>::value | | IsWeak<T>::value || IsWeak<U>::value;
351 }; 351 };
352 352
353 // This is used to check that DISALLOW_NEW_EXCEPT_PLACEMENT_NEW objects are not 353 // This is used to check that DISALLOW_NEW_EXCEPT_PLACEMENT_NEW objects are not
354 // stored in off-heap Vectors, HashTables etc. 354 // stored in off-heap Vectors, HashTables etc.
355 template <typename T> 355 template <typename T>
356 struct IsAllowOnlyInlineAllocation { 356 struct AllowsOnlyPlacementNew {
357 private: 357 private:
358 using YesType = char; 358 using YesType = char;
359 struct NoType { 359 struct NoType {
360 char padding[8]; 360 char padding[8];
361 }; 361 };
362 362
363 template <typename U> static YesType checkMarker(typename U::IsAllowOnlyInli neAllocation*); 363 template <typename U> static YesType checkMarker(typename U::IsAllowOnlyPlac ementNew*);
364 template <typename U> static NoType checkMarker(...); 364 template <typename U> static NoType checkMarker(...);
365 public: 365 public:
366 static const bool value = sizeof(checkMarker<T>(nullptr)) == sizeof(YesType) ; 366 static const bool value = sizeof(checkMarker<T>(nullptr)) == sizeof(YesType) ;
367 }; 367 };
368 368
369 template<typename T> 369 template<typename T>
370 class IsGarbageCollectedType { 370 class IsGarbageCollectedType {
371 typedef char YesType; 371 typedef char YesType;
372 typedef struct NoType { 372 typedef struct NoType {
373 char padding[8]; 373 char padding[8];
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391 }; 391 };
392 template<typename T> 392 template<typename T>
393 class IsPointerToGarbageCollectedType<RawPtr<T>> { 393 class IsPointerToGarbageCollectedType<RawPtr<T>> {
394 public: 394 public:
395 static const bool value = IsGarbageCollectedType<T>::value; 395 static const bool value = IsGarbageCollectedType<T>::value;
396 }; 396 };
397 397
398 } // namespace WTF 398 } // namespace WTF
399 399
400 #endif // TypeTraits_h 400 #endif // TypeTraits_h
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