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Side by Side Diff: vm/object_store.h

Issue 10827209: Unify class ids and snapshot object ids list so that we don't have disparate and sometimes confusin… (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/runtime/
Patch Set: Created 8 years, 4 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2011, 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_OBJECT_STORE_H_ 5 #ifndef VM_OBJECT_STORE_H_
6 #define VM_OBJECT_STORE_H_ 6 #define VM_OBJECT_STORE_H_
7 7
8 #include "vm/object.h" 8 #include "vm/object.h"
9 9
10 namespace dart { 10 namespace dart {
11 11
12 // Forward declarations. 12 // Forward declarations.
13 class Isolate; 13 class Isolate;
14 class ObjectPointerVisitor; 14 class ObjectPointerVisitor;
15 15
16 // The object store is a per isolate instance which stores references to 16 // The object store is a per isolate instance which stores references to
17 // objects used by the VM. 17 // objects used by the VM.
18 // TODO(iposva): Move the actual store into the object heap for quick handling 18 // TODO(iposva): Move the actual store into the object heap for quick handling
19 // by snapshots eventually. 19 // by snapshots eventually.
20 class ObjectStore { 20 class ObjectStore {
21 public: 21 public:
22 // Index for objects/types/classes stored in the object store,
23 // this index is used in snapshots to refer to classes or objects directly.
24 enum {
25 kTrueValue = Object::kMaxId,
26 kFalseValue,
27 kObjectType,
28 kNullType,
29 kDynamicType,
30 kVoidType,
31 kFunctionInterface,
32 kNumberInterface,
33 kDoubleInterface,
34 kIntInterface,
35 kBoolInterface,
36 kStringInterface,
37 kListInterface,
38 kByteArrayInterface,
39 kObjectClass,
40 kIntegerImplementationClass,
41 kSmiClass,
42 kMintClass,
43 kBigintClass,
44 kDoubleClass,
45 kOneByteStringClass,
46 kTwoByteStringClass,
47 kFourByteStringClass,
48 kExternalOneByteStringClass,
49 kExternalTwoByteStringClass,
50 kExternalFourByteStringClass,
51 kBoolClass,
52 kArrayClass,
53 kImmutableArrayClass,
54 kGrowableObjectArrayClass,
55 kInt8ArrayClass,
56 kUint8ArrayClass,
57 kInt16ArrayClass,
58 kUint16ArrayClass,
59 kInt32ArrayClass,
60 kUint32ArrayClass,
61 kInt64ArrayClass,
62 kUint64ArrayClass,
63 kFloat32ArrayClass,
64 kFloat64ArrayClass,
65 kExternalInt8ArrayClass,
66 kExternalUint8ArrayClass,
67 kExternalInt16ArrayClass,
68 kExternalUint16ArrayClass,
69 kExternalInt32ArrayClass,
70 kExternalUint32ArrayClass,
71 kExternalInt64ArrayClass,
72 kExternalUint64ArrayClass,
73 kExternalFloat32ArrayClass,
74 kExternalFloat64ArrayClass,
75 kStacktraceClass,
76 kJSRegExpClass,
77 kMaxId,
78 kInvalidIndex = -1,
79 };
80
81 ~ObjectStore(); 22 ~ObjectStore();
82 23
83 RawClass* object_class() const { 24 RawClass* object_class() const {
84 ASSERT(object_class_ != Object::null()); 25 ASSERT(object_class_ != Object::null());
85 return object_class_; 26 return object_class_;
86 } 27 }
87 void set_object_class(const Class& value) { object_class_ = value.raw(); } 28 void set_object_class(const Class& value) { object_class_ = value.raw(); }
88 static intptr_t object_class_offset() { 29 static intptr_t object_class_offset() {
89 return OFFSET_OF(ObjectStore, object_class_); 30 return OFFSET_OF(ObjectStore, object_class_);
90 } 31 }
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500 441
501 RawArray* keyword_symbols() const { return keyword_symbols_; } 442 RawArray* keyword_symbols() const { return keyword_symbols_; }
502 void set_keyword_symbols(const Array& value) { 443 void set_keyword_symbols(const Array& value) {
503 keyword_symbols_ = value.raw(); 444 keyword_symbols_ = value.raw();
504 } 445 }
505 void InitKeywordTable(); 446 void InitKeywordTable();
506 447
507 // Visit all object pointers. 448 // Visit all object pointers.
508 void VisitObjectPointers(ObjectPointerVisitor* visitor); 449 void VisitObjectPointers(ObjectPointerVisitor* visitor);
509 450
510 RawClass* GetClass(int index);
511 int GetClassIndex(const RawClass* raw_class);
512 RawType* GetType(int index); 451 RawType* GetType(int index);
513 int GetTypeIndex(const RawType* raw_type); 452 int GetTypeIndex(const RawType* raw_type);
514 453
515 // Called to initialize objects required by the vm but which invoke 454 // Called to initialize objects required by the vm but which invoke
516 // dart code. If an error occurs then false is returned and error 455 // dart code. If an error occurs then false is returned and error
517 // information is stored in sticky_error(). 456 // information is stored in sticky_error().
518 bool PreallocateObjects(); 457 bool PreallocateObjects();
519 458
520 static void Init(Isolate* isolate); 459 static void Init(Isolate* isolate);
521 460
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597 RawObject** to() { return reinterpret_cast<RawObject**>(&keyword_symbols_); } 536 RawObject** to() { return reinterpret_cast<RawObject**>(&keyword_symbols_); }
598 537
599 friend class SnapshotReader; 538 friend class SnapshotReader;
600 539
601 DISALLOW_COPY_AND_ASSIGN(ObjectStore); 540 DISALLOW_COPY_AND_ASSIGN(ObjectStore);
602 }; 541 };
603 542
604 } // namespace dart 543 } // namespace dart
605 544
606 #endif // VM_OBJECT_STORE_H_ 545 #endif // VM_OBJECT_STORE_H_
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