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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 |
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 // Flags: --gc_global | 28 // Flags: --gc-global |
29 | 29 |
30 // Regression test for regexp that has multiple matches and which | 30 // Regression test for regexp that has multiple matches and which |
31 // internally calls RegExpImpl::IrregexpExecOnce more than once without | 31 // internally calls RegExpImpl::IrregexpExecOnce more than once without |
32 // ensuring that the regexp is compiled. | 32 // ensuring that the regexp is compiled. |
33 // This can create a crash if the code was exchanged with the sweep | 33 // This can create a crash if the code was exchanged with the sweep |
34 // generation (for code flushing support) in GC durring the matching. | 34 // generation (for code flushing support) in GC durring the matching. |
35 | 35 |
36 var re = new RegExp('(s)', "g"); | 36 var re = new RegExp('(s)', "g"); |
37 | 37 |
38 function foo() { | 38 function foo() { |
39 return "42"; | 39 return "42"; |
40 } | 40 } |
41 | 41 |
42 // Run enough times to get a number of GC's (all mark sweep because of the | 42 // Run enough times to get a number of GC's (all mark sweep because of the |
43 // --gc_global) flag. | 43 // --gc_global) flag. |
44 for ( var i = 0; i < 10; i++) { | 44 for ( var i = 0; i < 10; i++) { |
45 // Make a long string with plenty of matches for re. | 45 // Make a long string with plenty of matches for re. |
46 var x = "s foo s bar s foo s bar s"; | 46 var x = "s foo s bar s foo s bar s"; |
47 x = x + x; | 47 x = x + x; |
48 x = x + x; | 48 x = x + x; |
49 x = x + x; | 49 x = x + x; |
50 x = x + x; | 50 x = x + x; |
51 x = x + x; | 51 x = x + x; |
52 x = x + x; | 52 x = x + x; |
53 x = x + x; | 53 x = x + x; |
54 x.replace(re, foo); | 54 x.replace(re, foo); |
55 } | 55 } |
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