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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 #include "vm/class_table.h" | 5 #include "vm/class_table.h" |
6 #include "vm/flags.h" | 6 #include "vm/flags.h" |
7 #include "vm/freelist.h" | 7 #include "vm/freelist.h" |
| 8 #include "vm/heap_trace.h" |
8 #include "vm/object.h" | 9 #include "vm/object.h" |
9 #include "vm/raw_object.h" | 10 #include "vm/raw_object.h" |
10 #include "vm/visitor.h" | 11 #include "vm/visitor.h" |
11 | 12 |
12 namespace dart { | 13 namespace dart { |
13 | 14 |
14 DEFINE_FLAG(bool, print_class_table, false, "Print initial class table."); | 15 DEFINE_FLAG(bool, print_class_table, false, "Print initial class table."); |
15 | 16 |
16 ClassTable::ClassTable() | 17 ClassTable::ClassTable() |
17 : top_(kNumPredefinedCids), capacity_(0), table_(NULL) { | 18 : top_(kNumPredefinedCids), capacity_(0), table_(NULL) { |
(...skipping 24 matching lines...) Expand all Loading... |
42 | 43 |
43 | 44 |
44 void ClassTable::Register(const Class& cls) { | 45 void ClassTable::Register(const Class& cls) { |
45 intptr_t index = cls.id(); | 46 intptr_t index = cls.id(); |
46 if (index != kIllegalCid) { | 47 if (index != kIllegalCid) { |
47 ASSERT(index > 0); | 48 ASSERT(index > 0); |
48 ASSERT(index < kNumPredefinedCids); | 49 ASSERT(index < kNumPredefinedCids); |
49 ASSERT(table_[index] == 0); | 50 ASSERT(table_[index] == 0); |
50 ASSERT(index < capacity_); | 51 ASSERT(index < capacity_); |
51 table_[index] = cls.raw(); | 52 table_[index] = cls.raw(); |
| 53 if (HeapTrace::is_enabled()) { |
| 54 Isolate::Current()->heap()->trace()->TraceRegisterClass(cls); |
| 55 } |
52 // Add the vtable for this predefined class into the static vtable registry | 56 // Add the vtable for this predefined class into the static vtable registry |
53 // if it has not been setup yet. | 57 // if it has not been setup yet. |
54 cpp_vtable cls_vtable = cls.handle_vtable(); | 58 cpp_vtable cls_vtable = cls.handle_vtable(); |
55 cpp_vtable table_entry = Object::builtin_vtables_[index]; | 59 cpp_vtable table_entry = Object::builtin_vtables_[index]; |
56 ASSERT((table_entry == 0) || (table_entry == cls_vtable)); | 60 ASSERT((table_entry == 0) || (table_entry == cls_vtable)); |
57 if (table_entry == 0) { | 61 if (table_entry == 0) { |
58 Object::builtin_vtables_[index] = cls_vtable; | 62 Object::builtin_vtables_[index] = cls_vtable; |
59 } | 63 } |
60 } else { | 64 } else { |
61 if (top_ == capacity_) { | 65 if (top_ == capacity_) { |
62 // Grow the capacity of the class table. | 66 // Grow the capacity of the class table. |
63 intptr_t new_capacity = capacity_ + capacity_increment_; | 67 intptr_t new_capacity = capacity_ + capacity_increment_; |
64 RawClass** new_table = reinterpret_cast<RawClass**>( | 68 RawClass** new_table = reinterpret_cast<RawClass**>( |
65 realloc(table_, new_capacity * sizeof(RawClass*))); // NOLINT | 69 realloc(table_, new_capacity * sizeof(RawClass*))); // NOLINT |
66 for (intptr_t i = capacity_; i < new_capacity; i++) { | 70 for (intptr_t i = capacity_; i < new_capacity; i++) { |
67 new_table[i] = NULL; | 71 new_table[i] = NULL; |
68 } | 72 } |
69 capacity_ = new_capacity; | 73 capacity_ = new_capacity; |
70 table_ = new_table; | 74 table_ = new_table; |
71 } | 75 } |
72 ASSERT(top_ < capacity_); | 76 ASSERT(top_ < capacity_); |
73 cls.set_id(top_); | 77 cls.set_id(top_); |
74 table_[top_] = cls.raw(); | 78 table_[top_] = cls.raw(); |
| 79 if (HeapTrace::is_enabled()) { |
| 80 Isolate::Current()->heap()->trace()->TraceRegisterClass(cls); |
| 81 } |
75 top_++; // Increment next index. | 82 top_++; // Increment next index. |
76 } | 83 } |
77 } | 84 } |
78 | 85 |
79 | 86 |
80 void ClassTable::VisitObjectPointers(ObjectPointerVisitor* visitor) { | 87 void ClassTable::VisitObjectPointers(ObjectPointerVisitor* visitor) { |
81 ASSERT(visitor != NULL); | 88 ASSERT(visitor != NULL); |
82 visitor->VisitPointers(reinterpret_cast<RawObject**>(&table_[0]), top_); | 89 visitor->VisitPointers(reinterpret_cast<RawObject**>(&table_[0]), top_); |
83 } | 90 } |
84 | 91 |
85 | 92 |
86 void ClassTable::Print() { | 93 void ClassTable::Print() { |
87 Class& cls = Class::Handle(); | 94 Class& cls = Class::Handle(); |
88 String& name = String::Handle(); | 95 String& name = String::Handle(); |
89 | 96 |
90 for (intptr_t i = 1; i < top_; i++) { | 97 for (intptr_t i = 1; i < top_; i++) { |
91 cls = At(i); | 98 cls = At(i); |
92 if (cls.raw() != reinterpret_cast<RawClass*>(0)) { | 99 if (cls.raw() != reinterpret_cast<RawClass*>(0)) { |
93 name = cls.Name(); | 100 name = cls.Name(); |
94 OS::Print("%"Pd": %s\n", i, name.ToCString()); | 101 OS::Print("%"Pd": %s\n", i, name.ToCString()); |
95 } | 102 } |
96 } | 103 } |
97 } | 104 } |
98 | 105 |
99 } // namespace dart | 106 } // namespace dart |
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