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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef StackFrameDepth_h | 5 #ifndef StackFrameDepth_h |
6 #define StackFrameDepth_h | 6 #define StackFrameDepth_h |
7 | 7 |
| 8 #include <stdint.h> |
| 9 #include <cstddef> |
8 #include "platform/PlatformExport.h" | 10 #include "platform/PlatformExport.h" |
9 #include "wtf/Allocator.h" | 11 #include "wtf/Allocator.h" |
10 #include "wtf/Assertions.h" | 12 #include "wtf/Assertions.h" |
11 #include <cstddef> | |
12 #include <stdint.h> | |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 // StackFrameDepth keeps track of current call stack frame depth. | 16 // StackFrameDepth keeps track of current call stack frame depth. |
17 // It is specifically used to control stack usage while tracing | 17 // It is specifically used to control stack usage while tracing |
18 // the object graph during a GC. | 18 // the object graph during a GC. |
19 // | 19 // |
20 // Use isSafeToRecurse() to determine if it is safe to consume | 20 // Use isSafeToRecurse() to determine if it is safe to consume |
21 // more stack by invoking another recursive call. | 21 // more stack by invoking another recursive call. |
22 class PLATFORM_EXPORT StackFrameDepth final { | 22 class PLATFORM_EXPORT StackFrameDepth final { |
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96 | 96 |
97 ~StackFrameDepthScope() { m_depth->disableStackLimit(); } | 97 ~StackFrameDepthScope() { m_depth->disableStackLimit(); } |
98 | 98 |
99 private: | 99 private: |
100 StackFrameDepth* m_depth; | 100 StackFrameDepth* m_depth; |
101 }; | 101 }; |
102 | 102 |
103 } // namespace blink | 103 } // namespace blink |
104 | 104 |
105 #endif // StackFrameDepth_h | 105 #endif // StackFrameDepth_h |
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