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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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84 SyncFlag is_synced) { | 84 SyncFlag is_synced) { |
85 FrameElement result(value, is_synced); | 85 FrameElement result(value, is_synced); |
86 return result; | 86 return result; |
87 } | 87 } |
88 | 88 |
89 // Static indirection table for handles to constants. If a frame | 89 // Static indirection table for handles to constants. If a frame |
90 // element represents a constant, the data contains an index into | 90 // element represents a constant, the data contains an index into |
91 // this table of handles to the actual constants. | 91 // this table of handles to the actual constants. |
92 typedef ZoneList<Handle<Object> > ZoneObjectList; | 92 typedef ZoneList<Handle<Object> > ZoneObjectList; |
93 | 93 |
94 static ZoneObjectList* ConstantList() { | 94 static ZoneObjectList* ConstantList(); |
95 static ZoneObjectList list(10); | |
96 return &list; | |
97 } | |
98 | 95 |
99 // Clear the constants indirection table. | 96 // Clear the constants indirection table. |
100 static void ClearConstantList() { | 97 static void ClearConstantList() { |
101 ConstantList()->Clear(); | 98 ConstantList()->Clear(); |
102 } | 99 } |
103 | 100 |
104 bool is_synced() const { return SyncedField::decode(value_); } | 101 bool is_synced() const { return SyncedField::decode(value_); } |
105 | 102 |
106 void set_sync() { | 103 void set_sync() { |
107 ASSERT(type() != MEMORY); | 104 ASSERT(type() != MEMORY); |
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229 class CopiedField: public BitField<uint32_t, 3, 1> {}; | 226 class CopiedField: public BitField<uint32_t, 3, 1> {}; |
230 class SyncedField: public BitField<uint32_t, 4, 1> {}; | 227 class SyncedField: public BitField<uint32_t, 4, 1> {}; |
231 class DataField: public BitField<uint32_t, 5, 32 - 6> {}; | 228 class DataField: public BitField<uint32_t, 5, 32 - 6> {}; |
232 | 229 |
233 friend class VirtualFrame; | 230 friend class VirtualFrame; |
234 }; | 231 }; |
235 | 232 |
236 } } // namespace v8::internal | 233 } } // namespace v8::internal |
237 | 234 |
238 #endif // V8_FRAME_ELEMENT_H_ | 235 #endif // V8_FRAME_ELEMENT_H_ |
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