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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 VM_OBJECT_H_ | 5 #ifndef VM_OBJECT_H_ |
6 #define VM_OBJECT_H_ | 6 #define VM_OBJECT_H_ |
7 | 7 |
8 #include "include/dart_api.h" | 8 #include "include/dart_api.h" |
9 #include "platform/assert.h" | 9 #include "platform/assert.h" |
10 #include "platform/utils.h" | 10 #include "platform/utils.h" |
| 11 #include "vm/json_stream.h" |
11 #include "vm/bitmap.h" | 12 #include "vm/bitmap.h" |
12 #include "vm/dart.h" | 13 #include "vm/dart.h" |
13 #include "vm/globals.h" | 14 #include "vm/globals.h" |
14 #include "vm/handles.h" | 15 #include "vm/handles.h" |
15 #include "vm/heap.h" | 16 #include "vm/heap.h" |
16 #include "vm/isolate.h" | 17 #include "vm/isolate.h" |
17 #include "vm/os.h" | 18 #include "vm/os.h" |
18 #include "vm/raw_object.h" | 19 #include "vm/raw_object.h" |
19 #include "vm/scanner.h" | 20 #include "vm/scanner.h" |
20 | 21 |
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112 return reinterpret_cast<const object&>(obj); \ | 113 return reinterpret_cast<const object&>(obj); \ |
113 } \ | 114 } \ |
114 static Raw##object* RawCast(RawObject* raw) { \ | 115 static Raw##object* RawCast(RawObject* raw) { \ |
115 ASSERT(Object::Handle(raw).Is##object()); \ | 116 ASSERT(Object::Handle(raw).Is##object()); \ |
116 return reinterpret_cast<Raw##object*>(raw); \ | 117 return reinterpret_cast<Raw##object*>(raw); \ |
117 } \ | 118 } \ |
118 static Raw##object* null() { \ | 119 static Raw##object* null() { \ |
119 return reinterpret_cast<Raw##object*>(Object::null()); \ | 120 return reinterpret_cast<Raw##object*>(Object::null()); \ |
120 } \ | 121 } \ |
121 virtual const char* ToCString() const; \ | 122 virtual const char* ToCString() const; \ |
| 123 /* Object is printed as JSON into stream. If ref is true only a header */ \ |
| 124 /* with an object id is printed. If ref is false the object is fully */ \ |
| 125 /* printed. */ \ |
| 126 virtual void PrintToJSONStream(JSONStream* stream, bool ref = true) const; \ |
122 static const ClassId kClassId = k##object##Cid; \ | 127 static const ClassId kClassId = k##object##Cid; \ |
123 private: /* NOLINT */ \ | 128 private: /* NOLINT */ \ |
124 /* Initialize the handle based on the raw_ptr in the presence of null. */ \ | 129 /* Initialize the handle based on the raw_ptr in the presence of null. */ \ |
125 static void initializeHandle(object* obj, RawObject* raw_ptr) { \ | 130 static void initializeHandle(object* obj, RawObject* raw_ptr) { \ |
126 if (raw_ptr != Object::null()) { \ | 131 if (raw_ptr != Object::null()) { \ |
127 obj->SetRaw(raw_ptr); \ | 132 obj->SetRaw(raw_ptr); \ |
128 } else { \ | 133 } else { \ |
129 obj->raw_ = Object::null(); \ | 134 obj->raw_ = Object::null(); \ |
130 object fake_object; \ | 135 object fake_object; \ |
131 obj->set_vtable(fake_object.vtable()); \ | 136 obj->set_vtable(fake_object.vtable()); \ |
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239 bool IsNull() const { return raw_ == null_; } | 244 bool IsNull() const { return raw_ == null_; } |
240 | 245 |
241 virtual const char* ToCString() const { | 246 virtual const char* ToCString() const { |
242 if (IsNull()) { | 247 if (IsNull()) { |
243 return "null"; | 248 return "null"; |
244 } else { | 249 } else { |
245 return "Object"; | 250 return "Object"; |
246 } | 251 } |
247 } | 252 } |
248 | 253 |
| 254 virtual void PrintToJSONStream(JSONStream* stream, bool ref = true) const { |
| 255 if (IsNull()) { |
| 256 stream->OpenObject(); |
| 257 stream->PrintProperty("type", "null"); |
| 258 stream->CloseObject(); |
| 259 return; |
| 260 } |
| 261 ASSERT(!IsNull()); |
| 262 stream->OpenObject(); |
| 263 stream->PrintProperty("type", "Object"); |
| 264 stream->CloseObject(); |
| 265 } |
| 266 |
249 // Returns the name that is used to identify an object in the | 267 // Returns the name that is used to identify an object in the |
250 // namespace dictionary. | 268 // namespace dictionary. |
251 // Object::DictionaryName() returns String::null(). Only subclasses | 269 // Object::DictionaryName() returns String::null(). Only subclasses |
252 // of Object that need to be entered in the library and library prefix | 270 // of Object that need to be entered in the library and library prefix |
253 // namespaces need to provide an implementation. | 271 // namespaces need to provide an implementation. |
254 virtual RawString* DictionaryName() const; | 272 virtual RawString* DictionaryName() const; |
255 | 273 |
256 bool IsNew() const { return raw()->IsNewObject(); } | 274 bool IsNew() const { return raw()->IsNewObject(); } |
257 bool IsOld() const { return raw()->IsOldObject(); } | 275 bool IsOld() const { return raw()->IsOldObject(); } |
258 bool InVMHeap() const { | 276 bool InVMHeap() const { |
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5971 | 5989 |
5972 | 5990 |
5973 RawObject* MegamorphicCache::GetTargetFunction(const Array& array, | 5991 RawObject* MegamorphicCache::GetTargetFunction(const Array& array, |
5974 intptr_t index) { | 5992 intptr_t index) { |
5975 return array.At((index * kEntryLength) + kTargetFunctionIndex); | 5993 return array.At((index * kEntryLength) + kTargetFunctionIndex); |
5976 } | 5994 } |
5977 | 5995 |
5978 } // namespace dart | 5996 } // namespace dart |
5979 | 5997 |
5980 #endif // VM_OBJECT_H_ | 5998 #endif // VM_OBJECT_H_ |
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