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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 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 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: --expose-debug-as debug | 28 // Flags: --expose-debug-as debug |
| 29 // Get the Debug object exposed from the debug context global object. | 29 // Get the Debug object exposed from the debug context global object. |
| 30 | 30 |
| 31 | 31 |
| 32 Debug = debug.Debug | 32 Debug = debug.Debug |
| 33 | 33 |
| 34 | 34 eval("function ChooseAnimal(p) {\n " + |
| 35 eval( | 35 " if (p == 7) {\n" + // Use p |
| 36 "function ChooseAnimal(p) {\n " + | 36 " return;\n" + |
| 37 " if (p == 7) {\n" + // Use p | 37 " }\n" + |
| 38 " return;\n" + | 38 " return function Chooser() {\n" + |
| 39 " }\n" + | 39 " return 'Cat';\n" + |
| 40 " return function Chooser() {\n" + | 40 " };\n" + |
| 41 " return 'Cat';\n" + | 41 "}\n"); |
| 42 " };\n" + | |
| 43 "}\n" | |
| 44 ); | |
| 45 | 42 |
| 46 var old_closure = ChooseAnimal(19); | 43 var old_closure = ChooseAnimal(19); |
| 47 | 44 |
| 48 assertEquals("Cat", old_closure()); | 45 assertEquals("Cat", old_closure()); |
| 49 | 46 |
| 50 var script = Debug.findScript(ChooseAnimal); | 47 var script = Debug.findScript(ChooseAnimal); |
| 51 | 48 |
| 52 var orig_animal = "'Cat'"; | 49 var orig_animal = "'Cat'"; |
| 53 var patch_pos = script.source.indexOf(orig_animal); | 50 var patch_pos = script.source.indexOf(orig_animal); |
| 54 var new_animal_patch = "'Capybara' + p"; | 51 var new_animal_patch = "'Capybara' + p"; |
| 55 | 52 |
| 56 // We patch innermost function "Chooser". | 53 // We patch innermost function "Chooser". |
| 57 // However, this does not actually patch existing "Chooser" instances, | 54 // However, this does not actually patch existing "Chooser" instances, |
| 58 // because old value of parameter "p" was not saved. | 55 // because old value of parameter "p" was not saved. |
| 59 // Instead it patches ChooseAnimal. | 56 // Instead it patches ChooseAnimal. |
| 60 var change_log = new Array(); | 57 var change_log = new Array(); |
| 61 Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, patch_pos, orig_animal.leng
th, new_animal_patch, change_log); | 58 Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, patch_pos, orig_animal.leng
th, new_animal_patch, change_log); |
| 62 print("Change log: " + JSON.stringify(change_log) + "\n"); | 59 print("Change log: " + JSON.stringify(change_log) + "\n"); |
| 63 | 60 |
| 64 var new_closure = ChooseAnimal(19); | 61 var new_closure = ChooseAnimal(19); |
| 65 // New instance of closure is patched. | 62 // New instance of closure is patched. |
| 66 assertEquals("Capybara19", new_closure()); | 63 assertEquals("Capybara19", new_closure()); |
| 67 | 64 |
| 68 // Old instance of closure is not patched. | 65 // Old instance of closure is not patched. |
| 69 assertEquals("Cat", old_closure()); | 66 assertEquals("Cat", old_closure()); |
| 70 | |
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