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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_ISOLATE_H_ | 5 #ifndef V8_ISOLATE_H_ |
6 #define V8_ISOLATE_H_ | 6 #define V8_ISOLATE_H_ |
7 | 7 |
8 #include <queue> | 8 #include <queue> |
9 #include <set> | 9 #include <set> |
10 | 10 |
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1471 Isolate* isolate_; | 1471 Isolate* isolate_; |
1472 }; | 1472 }; |
1473 | 1473 |
1474 | 1474 |
1475 // Support for checking for stack-overflows. | 1475 // Support for checking for stack-overflows. |
1476 class StackLimitCheck BASE_EMBEDDED { | 1476 class StackLimitCheck BASE_EMBEDDED { |
1477 public: | 1477 public: |
1478 explicit StackLimitCheck(Isolate* isolate) : isolate_(isolate) { } | 1478 explicit StackLimitCheck(Isolate* isolate) : isolate_(isolate) { } |
1479 | 1479 |
1480 // Use this to check for stack-overflows in C++ code. | 1480 // Use this to check for stack-overflows in C++ code. |
1481 inline bool HasOverflowed() const { | 1481 bool HasOverflowed() const { |
1482 StackGuard* stack_guard = isolate_->stack_guard(); | 1482 StackGuard* stack_guard = isolate_->stack_guard(); |
1483 return GetCurrentStackPosition() < stack_guard->real_climit(); | 1483 return GetCurrentStackPosition() < stack_guard->real_climit(); |
1484 } | 1484 } |
1485 | 1485 |
| 1486 // Use this to check for interrupt request in C++ code. |
| 1487 bool InterruptRequested() { |
| 1488 StackGuard* stack_guard = isolate_->stack_guard(); |
| 1489 return GetCurrentStackPosition() < stack_guard->climit(); |
| 1490 } |
| 1491 |
1486 // Use this to check for stack-overflow when entering runtime from JS code. | 1492 // Use this to check for stack-overflow when entering runtime from JS code. |
1487 bool JsHasOverflowed(uintptr_t gap = 0) const; | 1493 bool JsHasOverflowed(uintptr_t gap = 0) const; |
1488 | 1494 |
1489 private: | 1495 private: |
1490 Isolate* isolate_; | 1496 Isolate* isolate_; |
1491 }; | 1497 }; |
1492 | 1498 |
1493 | 1499 |
1494 // Support for temporarily postponing interrupts. When the outermost | 1500 // Support for temporarily postponing interrupts. When the outermost |
1495 // postpone scope is left the interrupts will be re-enabled and any | 1501 // postpone scope is left the interrupts will be re-enabled and any |
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1587 } | 1593 } |
1588 | 1594 |
1589 EmbeddedVector<char, 128> filename_; | 1595 EmbeddedVector<char, 128> filename_; |
1590 FILE* file_; | 1596 FILE* file_; |
1591 int scope_depth_; | 1597 int scope_depth_; |
1592 }; | 1598 }; |
1593 | 1599 |
1594 } } // namespace v8::internal | 1600 } } // namespace v8::internal |
1595 | 1601 |
1596 #endif // V8_ISOLATE_H_ | 1602 #endif // V8_ISOLATE_H_ |
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