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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" |
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199 OBJECT_IMPLEMENTATION(object, super); \ | 199 OBJECT_IMPLEMENTATION(object, super); \ |
200 const Raw##object* raw_ptr() const { \ | 200 const Raw##object* raw_ptr() const { \ |
201 ASSERT(raw() != null()); \ | 201 ASSERT(raw() != null()); \ |
202 return raw()->ptr(); \ | 202 return raw()->ptr(); \ |
203 } \ | 203 } \ |
204 SNAPSHOT_READER_SUPPORT(object) \ | 204 SNAPSHOT_READER_SUPPORT(object) \ |
205 friend class Isolate; \ | 205 friend class Isolate; \ |
206 friend class StackFrame; \ | 206 friend class StackFrame; \ |
207 | 207 |
208 // This macro is used to denote types that do not have a sub-type. | 208 // This macro is used to denote types that do not have a sub-type. |
209 #define FINAL_HEAP_OBJECT_IMPLEMENTATION(object, super) \ | 209 #define FINAL_HEAP_OBJECT_IMPLEMENTATION_HELPER(object, rettype, super) \ |
210 public: /* NOLINT */ \ | 210 public: /* NOLINT */ \ |
211 void operator=(Raw##object* value) { \ | 211 void operator=(Raw##object* value) { \ |
212 raw_ = value; \ | 212 raw_ = value; \ |
213 CHECK_HANDLE(); \ | 213 CHECK_HANDLE(); \ |
214 } \ | 214 } \ |
215 void operator^=(RawObject* value) { \ | 215 void operator^=(RawObject* value) { \ |
216 raw_ = value; \ | 216 raw_ = value; \ |
217 CHECK_HANDLE(); \ | 217 CHECK_HANDLE(); \ |
218 } \ | 218 } \ |
219 private: /* NOLINT */ \ | 219 private: /* NOLINT */ \ |
220 object() : super() {} \ | 220 object() : super() {} \ |
221 BASE_OBJECT_IMPLEMENTATION(object, super) \ | 221 BASE_OBJECT_IMPLEMENTATION(object, super) \ |
222 const Raw##object* raw_ptr() const { \ | 222 const Raw##object* raw_ptr() const { \ |
223 ASSERT(raw() != null()); \ | 223 ASSERT(raw() != null()); \ |
224 return raw()->ptr(); \ | 224 return raw()->ptr(); \ |
225 } \ | 225 } \ |
226 static intptr_t NextFieldOffset() { \ | 226 static intptr_t NextFieldOffset() { \ |
227 return -kWordSize; \ | 227 return -kWordSize; \ |
228 } \ | 228 } \ |
229 SNAPSHOT_READER_SUPPORT(object) \ | 229 SNAPSHOT_READER_SUPPORT(rettype) \ |
230 friend class Isolate; \ | 230 friend class Isolate; \ |
231 friend class StackFrame; \ | 231 friend class StackFrame; \ |
232 | 232 |
| 233 #define FINAL_HEAP_OBJECT_IMPLEMENTATION(object, super) \ |
| 234 FINAL_HEAP_OBJECT_IMPLEMENTATION_HELPER(object, object, super) \ |
| 235 |
| 236 #define MINT_OBJECT_IMPLEMENTATION(object, rettype, super) \ |
| 237 FINAL_HEAP_OBJECT_IMPLEMENTATION_HELPER(object, rettype, super) \ |
| 238 |
233 class Object { | 239 class Object { |
234 public: | 240 public: |
235 virtual ~Object() { } | 241 virtual ~Object() { } |
236 | 242 |
237 RawObject* raw() const { return raw_; } | 243 RawObject* raw() const { return raw_; } |
238 void operator=(RawObject* value) { | 244 void operator=(RawObject* value) { |
239 initializeHandle(this, value); | 245 initializeHandle(this, value); |
240 } | 246 } |
241 | 247 |
242 uword CompareAndSwapTags(uword old_tags, uword new_tags) const { | 248 uword CompareAndSwapTags(uword old_tags, uword new_tags) const { |
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5545 // Only Integer::NewXXX is allowed to call Mint::NewXXX directly. | 5551 // Only Integer::NewXXX is allowed to call Mint::NewXXX directly. |
5546 friend class Integer; | 5552 friend class Integer; |
5547 | 5553 |
5548 static RawMint* New(int64_t value, Heap::Space space = Heap::kNew); | 5554 static RawMint* New(int64_t value, Heap::Space space = Heap::kNew); |
5549 | 5555 |
5550 static RawMint* NewCanonical(int64_t value); | 5556 static RawMint* NewCanonical(int64_t value); |
5551 | 5557 |
5552 private: | 5558 private: |
5553 void set_value(int64_t value) const; | 5559 void set_value(int64_t value) const; |
5554 | 5560 |
5555 FINAL_HEAP_OBJECT_IMPLEMENTATION(Mint, Integer); | 5561 MINT_OBJECT_IMPLEMENTATION(Mint, Integer, Integer); |
5556 friend class Class; | 5562 friend class Class; |
5557 }; | 5563 }; |
5558 | 5564 |
5559 | 5565 |
5560 class Bigint : public Integer { | 5566 class Bigint : public Integer { |
5561 public: | 5567 public: |
5562 virtual bool IsZero() const { return Used() == 0;} | 5568 virtual bool IsZero() const { return Used() == 0;} |
5563 virtual bool IsNegative() const { return Neg(); } | 5569 virtual bool IsNegative() const { return Neg(); } |
5564 virtual bool Equals(const Instance& other) const; | 5570 virtual bool Equals(const Instance& other) const; |
5565 | 5571 |
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7848 | 7854 |
7849 | 7855 |
7850 RawObject* MegamorphicCache::GetTargetFunction(const Array& array, | 7856 RawObject* MegamorphicCache::GetTargetFunction(const Array& array, |
7851 intptr_t index) { | 7857 intptr_t index) { |
7852 return array.At((index * kEntryLength) + kTargetFunctionIndex); | 7858 return array.At((index * kEntryLength) + kTargetFunctionIndex); |
7853 } | 7859 } |
7854 | 7860 |
7855 } // namespace dart | 7861 } // namespace dart |
7856 | 7862 |
7857 #endif // VM_OBJECT_H_ | 7863 #endif // VM_OBJECT_H_ |
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