OLD | NEW |
---|---|
1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
(...skipping 10 matching lines...) Expand all Loading... | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_ZONE_H_ | 28 #ifndef V8_ZONE_H_ |
29 #define V8_ZONE_H_ | 29 #define V8_ZONE_H_ |
30 | 30 |
31 #include <stddef.h> | |
Kevin Millikin (Chromium)
2012/01/30 09:25:45
globals.h includes ../include/v8stdint.h, which in
| |
32 | |
31 #include "allocation.h" | 33 #include "allocation.h" |
34 #include "checks.h" | |
35 #include "globals.h" | |
36 #include "list.h" | |
37 #include "splay-tree.h" | |
32 | 38 |
33 namespace v8 { | 39 namespace v8 { |
34 namespace internal { | 40 namespace internal { |
35 | 41 |
36 | 42 |
37 // Zone scopes are in one of two modes. Either they delete the zone | 43 // Zone scopes are in one of two modes. Either they delete the zone |
38 // on exit or they do not. | 44 // on exit or they do not. |
39 enum ZoneScopeMode { | 45 enum ZoneScopeMode { |
40 DELETE_ON_EXIT, | 46 DELETE_ON_EXIT, |
41 DONT_DELETE_ON_EXIT | 47 DONT_DELETE_ON_EXIT |
42 }; | 48 }; |
43 | 49 |
44 class Segment; | 50 class Segment; |
51 class Isolate; | |
45 | 52 |
46 // The Zone supports very fast allocation of small chunks of | 53 // The Zone supports very fast allocation of small chunks of |
47 // memory. The chunks cannot be deallocated individually, but instead | 54 // memory. The chunks cannot be deallocated individually, but instead |
48 // the Zone supports deallocating all chunks in one fast | 55 // the Zone supports deallocating all chunks in one fast |
49 // operation. The Zone is used to hold temporary data structures like | 56 // operation. The Zone is used to hold temporary data structures like |
50 // the abstract syntax tree, which is deallocated after compilation. | 57 // the abstract syntax tree, which is deallocated after compilation. |
51 | 58 |
52 // Note: There is no need to initialize the Zone; the first time an | 59 // Note: There is no need to initialize the Zone; the first time an |
53 // allocation is attempted, a segment of memory will be requested | 60 // allocation is attempted, a segment of memory will be requested |
54 // through a call to malloc(). | 61 // through a call to malloc(). |
(...skipping 184 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
239 public: | 246 public: |
240 ZoneSplayTree() | 247 ZoneSplayTree() |
241 : SplayTree<Config, ZoneListAllocationPolicy>() {} | 248 : SplayTree<Config, ZoneListAllocationPolicy>() {} |
242 ~ZoneSplayTree(); | 249 ~ZoneSplayTree(); |
243 }; | 250 }; |
244 | 251 |
245 | 252 |
246 } } // namespace v8::internal | 253 } } // namespace v8::internal |
247 | 254 |
248 #endif // V8_ZONE_H_ | 255 #endif // V8_ZONE_H_ |
OLD | NEW |