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Side by Side Diff: runtime/vm/scavenger.h

Issue 1667303002: - Move flags from heap.cc into the flag list. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 4 years, 10 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #ifndef VM_SCAVENGER_H_ 5 #ifndef VM_SCAVENGER_H_
6 #define VM_SCAVENGER_H_ 6 #define VM_SCAVENGER_H_
7 7
8 #include "platform/assert.h" 8 #include "platform/assert.h"
9 #include "platform/utils.h" 9 #include "platform/utils.h"
10 #include "vm/dart.h" 10 #include "vm/dart.h"
11 #include "vm/flags.h" 11 #include "vm/flags.h"
12 #include "vm/globals.h" 12 #include "vm/globals.h"
13 #include "vm/raw_object.h" 13 #include "vm/raw_object.h"
14 #include "vm/ring_buffer.h" 14 #include "vm/ring_buffer.h"
15 #include "vm/spaces.h" 15 #include "vm/spaces.h"
16 #include "vm/virtual_memory.h" 16 #include "vm/virtual_memory.h"
17 #include "vm/visitor.h" 17 #include "vm/visitor.h"
18 18
19 namespace dart { 19 namespace dart {
20 20
21 // Forward declarations. 21 // Forward declarations.
22 class Heap; 22 class Heap;
23 class Isolate; 23 class Isolate;
24 class JSONObject; 24 class JSONObject;
25 class ScavengerVisitor; 25 class ScavengerVisitor;
26 26
27 DECLARE_FLAG(bool, gc_at_alloc);
28
29
30 // Wrapper around VirtualMemory that adds caching and handles the empty case. 27 // Wrapper around VirtualMemory that adds caching and handles the empty case.
31 class SemiSpace { 28 class SemiSpace {
32 public: 29 public:
33 static void InitOnce(); 30 static void InitOnce();
34 31
35 // Get a space of the given size. Returns NULL on out of memory. If size is 0, 32 // Get a space of the given size. Returns NULL on out of memory. If size is 0,
36 // returns an empty space: pointer(), start() and end() all return NULL. 33 // returns an empty space: pointer(), start() and end() all return NULL.
37 static SemiSpace* New(intptr_t size_in_words); 34 static SemiSpace* New(intptr_t size_in_words);
38 35
39 // Hand back an unused space. 36 // Hand back an unused space.
(...skipping 265 matching lines...) Expand 10 before | Expand all | Expand 10 after
305 302
306 friend class ScavengerVisitor; 303 friend class ScavengerVisitor;
307 friend class ScavengerWeakVisitor; 304 friend class ScavengerWeakVisitor;
308 305
309 DISALLOW_COPY_AND_ASSIGN(Scavenger); 306 DISALLOW_COPY_AND_ASSIGN(Scavenger);
310 }; 307 };
311 308
312 } // namespace dart 309 } // namespace dart
313 310
314 #endif // VM_SCAVENGER_H_ 311 #endif // VM_SCAVENGER_H_
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