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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/object.h" | 8 #include "vm/object.h" |
9 #include "vm/raw_object.h" | 9 #include "vm/raw_object.h" |
10 #include "vm/visitor.h" | 10 #include "vm/visitor.h" |
11 | 11 |
12 namespace dart { | 12 namespace dart { |
13 | 13 |
14 DEFINE_FLAG(bool, print_class_table, false, "Print initial class table."); | 14 DEFINE_FLAG(bool, print_class_table, false, "Print initial class table."); |
15 | 15 |
16 ClassTable::ClassTable() | 16 ClassTable::ClassTable() |
17 : top_(kNumPredefinedKinds), capacity_(0), table_(NULL) { | 17 : top_(kNumPredefinedCids), capacity_(0), table_(NULL) { |
18 if (Dart::vm_isolate() == NULL) { | 18 if (Dart::vm_isolate() == NULL) { |
19 capacity_ = initial_capacity_; | 19 capacity_ = initial_capacity_; |
20 table_ = reinterpret_cast<RawClass**>( | 20 table_ = reinterpret_cast<RawClass**>( |
21 calloc(capacity_, sizeof(RawClass*))); // NOLINT | 21 calloc(capacity_, sizeof(RawClass*))); // NOLINT |
22 } else { | 22 } else { |
23 // Duplicate the class table from the VM isolate. | 23 // Duplicate the class table from the VM isolate. |
24 ClassTable* vm_class_table = Dart::vm_isolate()->class_table(); | 24 ClassTable* vm_class_table = Dart::vm_isolate()->class_table(); |
25 capacity_ = vm_class_table->capacity_; | 25 capacity_ = vm_class_table->capacity_; |
26 table_ = reinterpret_cast<RawClass**>( | 26 table_ = reinterpret_cast<RawClass**>( |
27 calloc(capacity_, sizeof(RawClass*))); // NOLINT | 27 calloc(capacity_, sizeof(RawClass*))); // NOLINT |
28 for (intptr_t i = kObject; i < kInstance; i++) { | 28 for (intptr_t i = kObjectCid; i < kInstanceCid; i++) { |
29 table_[i] = vm_class_table->At(i); | 29 table_[i] = vm_class_table->At(i); |
30 } | 30 } |
31 table_[kFreeListElement] = vm_class_table->At(kFreeListElement); | 31 table_[kFreeListElement] = vm_class_table->At(kFreeListElement); |
32 table_[kNullClassId] = vm_class_table->At(kNullClassId); | 32 table_[kNullCid] = vm_class_table->At(kNullCid); |
33 table_[kDynamicClassId] = vm_class_table->At(kDynamicClassId); | 33 table_[kDynamicCid] = vm_class_table->At(kDynamicCid); |
34 table_[kVoidClassId] = vm_class_table->At(kVoidClassId); | 34 table_[kVoidCid] = vm_class_table->At(kVoidCid); |
35 } | 35 } |
36 } | 36 } |
37 | 37 |
38 | 38 |
39 ClassTable::~ClassTable() { | 39 ClassTable::~ClassTable() { |
40 free(table_); | 40 free(table_); |
41 } | 41 } |
42 | 42 |
43 | 43 |
44 void ClassTable::Register(const Class& cls) { | 44 void ClassTable::Register(const Class& cls) { |
45 intptr_t index = cls.id(); | 45 intptr_t index = cls.id(); |
46 if (index != kIllegalObjectKind) { | 46 if (index != kIllegalCid) { |
47 ASSERT(index > 0); | 47 ASSERT(index > 0); |
48 ASSERT(index < kNumPredefinedKinds); | 48 ASSERT(index < kNumPredefinedCids); |
49 ASSERT(table_[index] == 0); | 49 ASSERT(table_[index] == 0); |
50 ASSERT(index < capacity_); | 50 ASSERT(index < capacity_); |
51 table_[index] = cls.raw(); | 51 table_[index] = cls.raw(); |
52 // Add the vtable for this predefined class into the static vtable registry | 52 // Add the vtable for this predefined class into the static vtable registry |
53 // if it has not been setup yet. | 53 // if it has not been setup yet. |
54 cpp_vtable cls_vtable = cls.handle_vtable(); | 54 cpp_vtable cls_vtable = cls.handle_vtable(); |
55 cpp_vtable table_entry = Object::builtin_vtables_[index]; | 55 cpp_vtable table_entry = Object::builtin_vtables_[index]; |
56 ASSERT((table_entry == 0) || (table_entry == cls_vtable)); | 56 ASSERT((table_entry == 0) || (table_entry == cls_vtable)); |
57 if (table_entry == 0) { | 57 if (table_entry == 0) { |
58 Object::builtin_vtables_[index] = cls_vtable; | 58 Object::builtin_vtables_[index] = cls_vtable; |
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90 for (intptr_t i = 1; i < top_; i++) { | 90 for (intptr_t i = 1; i < top_; i++) { |
91 cls = At(i); | 91 cls = At(i); |
92 if (cls.raw() != reinterpret_cast<RawClass*>(0)) { | 92 if (cls.raw() != reinterpret_cast<RawClass*>(0)) { |
93 name = cls.Name(); | 93 name = cls.Name(); |
94 OS::Print("%d: %s\n", i, name.ToCString()); | 94 OS::Print("%d: %s\n", i, name.ToCString()); |
95 } | 95 } |
96 } | 96 } |
97 } | 97 } |
98 | 98 |
99 } // namespace dart | 99 } // namespace dart |
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