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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_ALLOCATION_H_ | 5 #ifndef VM_ALLOCATION_H_ |
6 #define VM_ALLOCATION_H_ | 6 #define VM_ALLOCATION_H_ |
7 | 7 |
8 #include "platform/assert.h" | 8 #include "platform/assert.h" |
9 #include "vm/base_isolate.h" | 9 #include "vm/base_isolate.h" |
10 #include "vm/globals.h" | 10 #include "vm/globals.h" |
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90 public: | 90 public: |
91 ZoneAllocated() { } | 91 ZoneAllocated() { } |
92 | 92 |
93 // Implicitly allocate the object in the current zone. | 93 // Implicitly allocate the object in the current zone. |
94 void* operator new(uword size); | 94 void* operator new(uword size); |
95 | 95 |
96 // Implicitly allocate the object in the current zone given the current | 96 // Implicitly allocate the object in the current zone given the current |
97 // isolate. | 97 // isolate. |
98 void* operator new(uword size, BaseIsolate* isolate); | 98 void* operator new(uword size, BaseIsolate* isolate); |
99 | 99 |
| 100 // Allocate the object in the given zone, which must be the current zone. |
| 101 void* operator new(uword size, Zone* zone); |
| 102 |
100 // Ideally, the delete operator should be protected instead of | 103 // Ideally, the delete operator should be protected instead of |
101 // public, but unfortunately the compiler sometimes synthesizes | 104 // public, but unfortunately the compiler sometimes synthesizes |
102 // (unused) destructors for classes derived from ZoneObject, which | 105 // (unused) destructors for classes derived from ZoneObject, which |
103 // require the operator to be visible. MSVC requires the delete | 106 // require the operator to be visible. MSVC requires the delete |
104 // operator to be public. | 107 // operator to be public. |
105 | 108 |
106 // Disallow explicit deallocation of nodes. Nodes can only be | 109 // Disallow explicit deallocation of nodes. Nodes can only be |
107 // deallocated by invoking DeleteAll() on the zone they live in. | 110 // deallocated by invoking DeleteAll() on the zone they live in. |
108 void operator delete(void* pointer) { UNREACHABLE(); } | 111 void operator delete(void* pointer) { UNREACHABLE(); } |
109 | 112 |
110 private: | 113 private: |
111 DISALLOW_COPY_AND_ASSIGN(ZoneAllocated); | 114 DISALLOW_COPY_AND_ASSIGN(ZoneAllocated); |
112 }; | 115 }; |
113 | 116 |
114 } // namespace dart | 117 } // namespace dart |
115 | 118 |
116 #endif // VM_ALLOCATION_H_ | 119 #endif // VM_ALLOCATION_H_ |
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