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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // modification, are permitted provided that the following conditions are | 3 // found in the LICENSE file. |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
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. | |
27 | 4 |
28 #ifndef V8_FACTORY_H_ | 5 #ifndef V8_FACTORY_H_ |
29 #define V8_FACTORY_H_ | 6 #define V8_FACTORY_H_ |
30 | 7 |
31 #include "globals.h" | 8 #include "isolate.h" |
32 #include "handles.h" | |
33 #include "heap.h" | |
34 | 9 |
35 namespace v8 { | 10 namespace v8 { |
36 namespace internal { | 11 namespace internal { |
37 | 12 |
38 // Interface for handle based allocation. | 13 // Interface for handle based allocation. |
39 | 14 |
40 class Factory { | 15 class Factory V8_FINAL { |
41 public: | 16 public: |
42 // Allocate a new boxed value. | 17 // Allocate a new boxed value. |
43 Handle<Box> NewBox( | 18 Handle<Box> NewBox( |
44 Handle<Object> value, | 19 Handle<Object> value, |
45 PretenureFlag pretenure = NOT_TENURED); | 20 PretenureFlag pretenure = NOT_TENURED); |
46 | 21 |
47 // Allocates a fixed array initialized with undefined values. | 22 // Allocates a fixed array initialized with undefined values. |
48 Handle<FixedArray> NewFixedArray( | 23 Handle<FixedArray> NewFixedArray( |
49 int size, | 24 int size, |
50 PretenureFlag pretenure = NOT_TENURED); | 25 PretenureFlag pretenure = NOT_TENURED); |
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305 Handle<ConstantPoolArray> array); | 280 Handle<ConstantPoolArray> array); |
306 | 281 |
307 // Numbers (e.g. literals) are pretenured by the parser. | 282 // Numbers (e.g. literals) are pretenured by the parser. |
308 Handle<Object> NewNumber(double value, | 283 Handle<Object> NewNumber(double value, |
309 PretenureFlag pretenure = NOT_TENURED); | 284 PretenureFlag pretenure = NOT_TENURED); |
310 | 285 |
311 Handle<Object> NewNumberFromInt(int32_t value, | 286 Handle<Object> NewNumberFromInt(int32_t value, |
312 PretenureFlag pretenure = NOT_TENURED); | 287 PretenureFlag pretenure = NOT_TENURED); |
313 Handle<Object> NewNumberFromUint(uint32_t value, | 288 Handle<Object> NewNumberFromUint(uint32_t value, |
314 PretenureFlag pretenure = NOT_TENURED); | 289 PretenureFlag pretenure = NOT_TENURED); |
315 inline Handle<Object> NewNumberFromSize(size_t value, | 290 Handle<Object> NewNumberFromSize(size_t value, |
316 PretenureFlag pretenure = NOT_TENURED); | 291 PretenureFlag pretenure = NOT_TENURED) { |
| 292 if (Smi::IsValid(static_cast<intptr_t>(value))) { |
| 293 return Handle<Object>(Smi::FromIntptr(static_cast<intptr_t>(value)), |
| 294 isolate()); |
| 295 } |
| 296 return NewNumber(static_cast<double>(value), pretenure); |
| 297 } |
317 Handle<HeapNumber> NewHeapNumber(double value, | 298 Handle<HeapNumber> NewHeapNumber(double value, |
318 PretenureFlag pretenure = NOT_TENURED); | 299 PretenureFlag pretenure = NOT_TENURED); |
319 | 300 |
320 | 301 |
321 // These objects are used by the api to create env-independent data | 302 // These objects are used by the api to create env-independent data |
322 // structures in the heap. | 303 // structures in the heap. |
323 Handle<JSObject> NewNeanderObject(); | 304 Handle<JSObject> NewNeanderObject(); |
324 | 305 |
325 Handle<JSObject> NewArgumentsObject(Handle<Object> callee, int length); | 306 Handle<JSObject> NewArgumentsObject(Handle<Object> callee, int length); |
326 | 307 |
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612 | 593 |
613 // Create a new map cache. | 594 // Create a new map cache. |
614 Handle<MapCache> NewMapCache(int at_least_space_for); | 595 Handle<MapCache> NewMapCache(int at_least_space_for); |
615 | 596 |
616 // Update the map cache in the native context with (keys, map) | 597 // Update the map cache in the native context with (keys, map) |
617 Handle<MapCache> AddToMapCache(Handle<Context> context, | 598 Handle<MapCache> AddToMapCache(Handle<Context> context, |
618 Handle<FixedArray> keys, | 599 Handle<FixedArray> keys, |
619 Handle<Map> map); | 600 Handle<Map> map); |
620 }; | 601 }; |
621 | 602 |
622 | |
623 Handle<Object> Factory::NewNumberFromSize(size_t value, | |
624 PretenureFlag pretenure) { | |
625 if (Smi::IsValid(static_cast<intptr_t>(value))) { | |
626 return Handle<Object>(Smi::FromIntptr(static_cast<intptr_t>(value)), | |
627 isolate()); | |
628 } else { | |
629 return NewNumber(static_cast<double>(value), pretenure); | |
630 } | |
631 } | |
632 | |
633 | |
634 } } // namespace v8::internal | 603 } } // namespace v8::internal |
635 | 604 |
636 #endif // V8_FACTORY_H_ | 605 #endif // V8_FACTORY_H_ |
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