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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 |
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33 | 33 |
34 function factory(worker) { | 34 function factory(worker) { |
35 return function(call_depth) { | 35 return function(call_depth) { |
36 if (call_depth == 0) return 10; | 36 if (call_depth == 0) return 10; |
37 return 1 + worker(call_depth - 1); | 37 return 1 + worker(call_depth - 1); |
38 } | 38 } |
39 } | 39 } |
40 | 40 |
41 var f1 = factory(worker1); | 41 var f1 = factory(worker1); |
42 var f2 = factory(f1); | 42 var f2 = factory(f1); |
43 assertEquals(11, f2(1)); // Result: 1 + f1(0) == 1 + 10. | |
44 assertEquals(11, f2(1)); | 43 assertEquals(11, f2(1)); |
45 %OptimizeFunctionOnNextCall(f1); | 44 %OptimizeFunctionOnNextCall(f1); |
46 assertEquals(10, f1(0)); // Terminates immediately -> returns 10. | 45 assertEquals(10, f1(0)); |
47 %OptimizeFunctionOnNextCall(f2); | 46 %OptimizeFunctionOnNextCall(f2); |
48 assertEquals(102, f2(1000)); // 1 + f1(999) == 1 + 1 + worker1(998) == 102 | 47 assertEquals(102, f2(2)); |
| 48 assertEquals(102, f2(2)); |
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