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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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: --allow-natives-syntax |
| 29 |
28 // Test function.caller. | 30 // Test function.caller. |
29 function A() {} | 31 function A() {} |
30 | 32 |
31 function fun(x) { | 33 function fun(x) { |
32 if (x == 0) return fun.caller; | 34 if (x == 0) return fun.caller; |
33 if (x == 1) return gee.caller; | 35 if (x == 1) return gee.caller; |
34 return 42; | 36 return 42; |
35 } | 37 } |
36 function gee(x) { return this.f(x); } | 38 function gee(x) { return this.f(x); } |
37 | 39 |
38 A.prototype.f = fun; | 40 A.prototype.f = fun; |
39 A.prototype.g = gee; | 41 A.prototype.g = gee; |
40 | 42 |
41 var o = new A(); | 43 var o = new A(); |
42 | 44 |
43 for (var i=0; i<5000000; i++) { | 45 for (var i=0; i<5; i++) { |
44 o.g(i); | 46 o.g(i); |
45 } | 47 } |
| 48 %OptimizeFunctionOnNextCall(o.g); |
46 assertEquals(gee, o.g(0)); | 49 assertEquals(gee, o.g(0)); |
47 assertEquals(null, o.g(1)); | 50 assertEquals(null, o.g(1)); |
48 | 51 |
49 // Test when called from another function. | 52 // Test when called from another function. |
50 function hej(x) { | 53 function hej(x) { |
51 if (x == 0) return o.g(x); | 54 if (x == 0) return o.g(x); |
52 if (x == 1) return o.g(x); | 55 if (x == 1) return o.g(x); |
53 return o.g(x); | 56 return o.g(x); |
54 } | 57 } |
55 | 58 |
56 for (var j=0; j<5000000; j++) { | 59 for (var j=0; j<5; j++) { |
57 hej(j); | 60 hej(j); |
58 } | 61 } |
| 62 %OptimizeFunctionOnNextCall(hej); |
59 assertEquals(gee, hej(0)); | 63 assertEquals(gee, hej(0)); |
60 assertEquals(hej, hej(1)); | 64 assertEquals(hej, hej(1)); |
61 | 65 |
62 // Test when called from eval. | 66 // Test when called from eval. |
63 function from_eval(x) { | 67 function from_eval(x) { |
64 if (x == 0) return eval("o.g(x);"); | 68 if (x == 0) return eval("o.g(x);"); |
65 if (x == 1) return eval("o.g(x);"); | 69 if (x == 1) return eval("o.g(x);"); |
66 return o.g(x); | 70 return o.g(x); |
67 } | 71 } |
68 | 72 |
69 for (var j=0; j<5000000; j++) { | 73 for (var j=0; j<5; j++) { |
70 from_eval(j); | 74 from_eval(j); |
71 } | 75 } |
| 76 %OptimizeFunctionOnNextCall(from_eval); |
72 assertEquals(gee, from_eval(0)); | 77 assertEquals(gee, from_eval(0)); |
73 assertEquals(from_eval, from_eval(1)); | 78 assertEquals(from_eval, from_eval(1)); |
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