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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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_ISOLATE_H_ | 5 #ifndef VM_ISOLATE_H_ |
6 #define VM_ISOLATE_H_ | 6 #define VM_ISOLATE_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/thread.h" | 10 #include "platform/thread.h" |
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272 void ScheduleInterrupts(uword interrupt_bits); | 272 void ScheduleInterrupts(uword interrupt_bits); |
273 uword GetAndClearInterrupts(); | 273 uword GetAndClearInterrupts(); |
274 | 274 |
275 MessageHandler* message_handler() const { return message_handler_; } | 275 MessageHandler* message_handler() const { return message_handler_; } |
276 void set_message_handler(MessageHandler* value) { message_handler_ = value; } | 276 void set_message_handler(MessageHandler* value) { message_handler_ = value; } |
277 | 277 |
278 uword spawn_data() const { return spawn_data_; } | 278 uword spawn_data() const { return spawn_data_; } |
279 void set_spawn_data(uword value) { spawn_data_ = value; } | 279 void set_spawn_data(uword value) { spawn_data_ = value; } |
280 | 280 |
281 static const intptr_t kNoDeoptId = -1; | 281 static const intptr_t kNoDeoptId = -1; |
| 282 static const intptr_t kDeoptIdStep = 2; |
| 283 static const intptr_t kDeoptIdBeforeOffset = 0; |
| 284 static const intptr_t kDeoptIdAfterOffset = 1; |
282 intptr_t deopt_id() const { return deopt_id_; } | 285 intptr_t deopt_id() const { return deopt_id_; } |
283 void set_deopt_id(int value) { | 286 void set_deopt_id(int value) { |
284 ASSERT(value >= 0); | 287 ASSERT(value >= 0); |
285 deopt_id_ = value; | 288 deopt_id_ = value; |
286 } | 289 } |
287 intptr_t GetNextDeoptId() { | 290 intptr_t GetNextDeoptId() { |
288 ASSERT(deopt_id_ != kNoDeoptId); | 291 ASSERT(deopt_id_ != kNoDeoptId); |
289 return deopt_id_++; | 292 const intptr_t id = deopt_id_; |
| 293 deopt_id_ += kDeoptIdStep; |
| 294 return id; |
| 295 } |
| 296 |
| 297 static intptr_t ToDeoptAfter(intptr_t deopt_id) { |
| 298 ASSERT(IsDeoptBefore(deopt_id)); |
| 299 return deopt_id + kDeoptIdAfterOffset; |
| 300 } |
| 301 |
| 302 static bool IsDeoptBefore(intptr_t deopt_id) { |
| 303 return (deopt_id % kDeoptIdStep) == kDeoptIdBeforeOffset; |
| 304 } |
| 305 |
| 306 static bool IsDeoptAfter(intptr_t deopt_id) { |
| 307 return (deopt_id % kDeoptIdStep) == kDeoptIdAfterOffset; |
290 } | 308 } |
291 | 309 |
292 RawArray* ic_data_array() const { return ic_data_array_; } | 310 RawArray* ic_data_array() const { return ic_data_array_; } |
293 void set_ic_data_array(RawArray* value) { ic_data_array_ = value; } | 311 void set_ic_data_array(RawArray* value) { ic_data_array_ = value; } |
294 ICData* GetICDataForDeoptId(intptr_t deopt_id) const; | 312 ICData* GetICDataForDeoptId(intptr_t deopt_id) const; |
295 | 313 |
296 Debugger* debugger() const { return debugger_; } | 314 Debugger* debugger() const { return debugger_; } |
297 | 315 |
298 Simulator* simulator() const { return simulator_; } | 316 Simulator* simulator() const { return simulator_; } |
299 void set_simulator(Simulator* value) { simulator_ = value; } | 317 void set_simulator(Simulator* value) { simulator_ = value; } |
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528 Isolate* new_isolate_; | 546 Isolate* new_isolate_; |
529 Isolate* saved_isolate_; | 547 Isolate* saved_isolate_; |
530 uword saved_stack_limit_; | 548 uword saved_stack_limit_; |
531 | 549 |
532 DISALLOW_COPY_AND_ASSIGN(SwitchIsolateScope); | 550 DISALLOW_COPY_AND_ASSIGN(SwitchIsolateScope); |
533 }; | 551 }; |
534 | 552 |
535 } // namespace dart | 553 } // namespace dart |
536 | 554 |
537 #endif // VM_ISOLATE_H_ | 555 #endif // VM_ISOLATE_H_ |
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