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

Issue 2481873005: clang-format runtime/vm (Closed)
Patch Set: Merge Created 4 years, 1 month 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 RUNTIME_VM_CHA_H_ 5 #ifndef RUNTIME_VM_CHA_H_
6 #define RUNTIME_VM_CHA_H_ 6 #define RUNTIME_VM_CHA_H_
7 7
8 #include "vm/allocation.h" 8 #include "vm/allocation.h"
9 #include "vm/growable_array.h" 9 #include "vm/growable_array.h"
10 #include "vm/thread.h" 10 #include "vm/thread.h"
11 11
12 namespace dart { 12 namespace dart {
13 13
14 class Class; 14 class Class;
15 class Function; 15 class Function;
16 template <typename T> class ZoneGrowableArray; 16 template <typename T>
17 class ZoneGrowableArray;
17 class String; 18 class String;
18 19
19 class CHA : public StackResource { 20 class CHA : public StackResource {
20 public: 21 public:
21 explicit CHA(Thread* thread) 22 explicit CHA(Thread* thread)
22 : StackResource(thread), 23 : StackResource(thread),
23 thread_(thread), 24 thread_(thread),
24 guarded_classes_(thread->zone(), 1), 25 guarded_classes_(thread->zone(), 1),
25 previous_(thread->cha()) { 26 previous_(thread->cha()) {
26 thread->set_cha(this); 27 thread->set_cha(this);
27 } 28 }
28 29
29 ~CHA() { 30 ~CHA() {
30 ASSERT(thread_->cha() == this); 31 ASSERT(thread_->cha() == this);
31 thread_->set_cha(previous_); 32 thread_->set_cha(previous_);
32 } 33 }
33 34
34 // Returns true if the class has subclasses. 35 // Returns true if the class has subclasses.
35 static bool HasSubclasses(const Class& cls); 36 static bool HasSubclasses(const Class& cls);
36 bool HasSubclasses(intptr_t cid) const; 37 bool HasSubclasses(intptr_t cid) const;
37 38
38 // Collect the concrete subclasses of 'cls' into 'class_ids'. Return true if 39 // Collect the concrete subclasses of 'cls' into 'class_ids'. Return true if
39 // the result is valid (may be invalid because we don't track the subclasses 40 // the result is valid (may be invalid because we don't track the subclasses
40 // of classes allocated in the VM isolate or class Object). 41 // of classes allocated in the VM isolate or class Object).
41 bool ConcreteSubclasses(const Class& cls, GrowableArray<intptr_t> *class_ids); 42 bool ConcreteSubclasses(const Class& cls, GrowableArray<intptr_t>* class_ids);
42 43
43 // Return true if the class is implemented by some other class. 44 // Return true if the class is implemented by some other class.
44 static bool IsImplemented(const Class& cls); 45 static bool IsImplemented(const Class& cls);
45 46
46 // Returns true if any subclass of 'cls' contains the function. 47 // Returns true if any subclass of 'cls' contains the function.
47 // If no override was found subclass_count would contain total count of 48 // If no override was found subclass_count would contain total count of
48 // finalized subclasses that CHA looked at. 49 // finalized subclasses that CHA looked at.
49 // This count will be used to validate CHA decision before installing 50 // This count will be used to validate CHA decision before installing
50 // optimized code compiled in background. 51 // optimized code compiled in background.
51 bool HasOverride(const Class& cls, 52 bool HasOverride(const Class& cls,
(...skipping 27 matching lines...) Expand all
79 intptr_t subclass_count; 80 intptr_t subclass_count;
80 }; 81 };
81 82
82 GrowableArray<GuardedClassInfo> guarded_classes_; 83 GrowableArray<GuardedClassInfo> guarded_classes_;
83 CHA* previous_; 84 CHA* previous_;
84 }; 85 };
85 86
86 } // namespace dart 87 } // namespace dart
87 88
88 #endif // RUNTIME_VM_CHA_H_ 89 #endif // RUNTIME_VM_CHA_H_
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