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1 // Copyright 2010 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 |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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 // See: http://code.google.com/p/v8/issues/detail?id=1015 | 28 #ifndef V8_LITHIUM_H_ |
| 29 #define V8_LITHIUM_H_ |
29 | 30 |
30 // Object and array literals should be created using DefineOwnProperty, and | 31 #include "lithium-allocator.h" |
31 // therefore not hit setters in the prototype. | |
32 | 32 |
33 function mkFail(message) { | 33 namespace v8 { |
34 return function () { assertUnreachable(message); } | 34 namespace internal { |
35 } | |
36 | 35 |
37 Object.defineProperty(Object.prototype, "foo", | 36 class LGapNode; |
38 {get: mkFail("oget"), set: mkFail("oset")}); | |
39 Object.defineProperty(Array.prototype, "2", | |
40 {get: mkFail("aget"), set: mkFail("aset")}); | |
41 | 37 |
42 function inFunction() { | 38 class LGapResolver BASE_EMBEDDED { |
43 for (var i = 0; i < 10; i++) { | 39 public: |
44 // in loop. | 40 LGapResolver(const ZoneList<LMoveOperands>* moves, LOperand* marker_operand); |
45 var ja = JSON.parse('[1,2,3,4]'); | 41 const ZoneList<LMoveOperands>* ResolveInReverseOrder(); |
46 var jo = JSON.parse('{"bar": 10, "foo": 20}') | |
47 var jop = JSON.parse('{"bar": 10, "__proto__": { }, "foo": 20}') | |
48 var a = [1,2,3,4]; | |
49 var o = { bar: 10, foo: 20 }; | |
50 var op = { __proto__: { set bar(v) { assertUnreachable("bset"); } }, | |
51 bar: 10 }; | |
52 } | |
53 } | |
54 | 42 |
55 for (var i = 0; i < 10; i++) { | 43 private: |
56 // In global scope. | 44 LGapNode* LookupNode(LOperand* operand); |
57 var ja = JSON.parse('[1,2,3,4]'); | 45 bool CanReach(LGapNode* a, LGapNode* b, int visited_id); |
58 var jo = JSON.parse('{"bar": 10, "foo": 20}') | 46 bool CanReach(LGapNode* a, LGapNode* b); |
59 var jop = JSON.parse('{"bar": 10, "__proto__": { }, "foo": 20}') | 47 void RegisterMove(LMoveOperands move); |
60 var a = [1,2,3,4]; | 48 void AddResultMove(LOperand* from, LOperand* to); |
61 var o = { bar: 10, foo: 20 }; | 49 void AddResultMove(LGapNode* from, LGapNode* to); |
62 var op = { __proto__: { set bar(v) { assertUnreachable("bset"); } }, | 50 void ResolveCycle(LGapNode* start); |
63 bar: 10 }; | 51 |
64 // In function scope. | 52 ZoneList<LGapNode*> nodes_; |
65 inFunction(); | 53 ZoneList<LGapNode*> identified_cycles_; |
66 } | 54 ZoneList<LMoveOperands> result_; |
| 55 LOperand* marker_operand_; |
| 56 int next_visited_id_; |
| 57 int bailout_after_ast_id_; |
| 58 }; |
| 59 |
| 60 |
| 61 } } // namespace v8::internal |
| 62 |
| 63 #endif // V8_LITHIUM_H_ |
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