OLD | NEW |
1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project 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 #include "src/context-measure.h" | 5 #include "src/context-measure.h" |
6 | 6 |
7 #include "src/base/logging.h" | 7 #include "src/base/logging.h" |
8 #include "src/contexts.h" | 8 #include "src/contexts.h" |
9 #include "src/objects-inl.h" | 9 #include "src/objects-inl.h" |
10 | 10 |
(...skipping 12 matching lines...) Expand all Loading... |
23 MeasureDeferredObjects(); | 23 MeasureDeferredObjects(); |
24 context_->set(Context::NEXT_CONTEXT_LINK, next_link); | 24 context_->set(Context::NEXT_CONTEXT_LINK, next_link); |
25 } | 25 } |
26 | 26 |
27 | 27 |
28 bool ContextMeasure::IsShared(HeapObject* object) { | 28 bool ContextMeasure::IsShared(HeapObject* object) { |
29 if (object->IsScript()) return true; | 29 if (object->IsScript()) return true; |
30 if (object->IsSharedFunctionInfo()) return true; | 30 if (object->IsSharedFunctionInfo()) return true; |
31 if (object->IsScopeInfo()) return true; | 31 if (object->IsScopeInfo()) return true; |
32 if (object->IsCode() && !Code::cast(object)->is_optimized_code()) return true; | 32 if (object->IsCode() && !Code::cast(object)->is_optimized_code()) return true; |
33 if (object->IsExecutableAccessorInfo()) return true; | 33 if (object->IsAccessorInfo()) return true; |
34 if (object->IsWeakCell()) return true; | 34 if (object->IsWeakCell()) return true; |
35 return false; | 35 return false; |
36 } | 36 } |
37 | 37 |
38 | 38 |
39 void ContextMeasure::MeasureObject(HeapObject* object) { | 39 void ContextMeasure::MeasureObject(HeapObject* object) { |
40 if (back_reference_map_.Lookup(object).is_valid()) return; | 40 if (back_reference_map_.Lookup(object).is_valid()) return; |
41 if (root_index_map_.Lookup(object) != RootIndexMap::kInvalidRootIndex) return; | 41 if (root_index_map_.Lookup(object) != RootIndexMap::kInvalidRootIndex) return; |
42 if (IsShared(object)) return; | 42 if (IsShared(object)) return; |
43 back_reference_map_.Add(object, BackReference::DummyReference()); | 43 back_reference_map_.Add(object, BackReference::DummyReference()); |
(...skipping 25 matching lines...) Expand all Loading... |
69 | 69 |
70 | 70 |
71 void ContextMeasure::VisitPointers(Object** start, Object** end) { | 71 void ContextMeasure::VisitPointers(Object** start, Object** end) { |
72 for (Object** current = start; current < end; current++) { | 72 for (Object** current = start; current < end; current++) { |
73 if ((*current)->IsSmi()) continue; | 73 if ((*current)->IsSmi()) continue; |
74 MeasureObject(HeapObject::cast(*current)); | 74 MeasureObject(HeapObject::cast(*current)); |
75 } | 75 } |
76 } | 76 } |
77 } // namespace internal | 77 } // namespace internal |
78 } // namespace v8 | 78 } // namespace v8 |
OLD | NEW |