The Tor Browser / file comparison
comparison: services/sync/tps/extensions/mozmill/resource/modules/stack.js
services/sync/tps/extensions/mozmill/resource/modules/stack.js
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
equal
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| -1:000000000000 | 0:2e9f7e33720b |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, you can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 var EXPORTED_SYMBOLS = ['findCallerFrame']; | |
| 6 | |
| 7 | |
| 8 /** | |
| 9 * @namespace Defines utility methods for handling stack frames | |
| 10 */ | |
| 11 | |
| 12 /** | |
| 13 * Find the frame to use for logging the test result. If a start frame has | |
| 14 * been specified, we walk down the stack until a frame with the same filename | |
| 15 * as the start frame has been found. The next file in the stack will be the | |
| 16 * frame to use for logging the result. | |
| 17 * | |
| 18 * @memberOf stack | |
| 19 * @param {Object} [aStartFrame=Components.stack] Frame to start from walking up the stack. | |
| 20 * @returns {Object} Frame of the stack to use for logging the result. | |
| 21 */ | |
| 22 function findCallerFrame(aStartFrame) { | |
| 23 let frame = Components.stack; | |
| 24 let filename = frame.filename.replace(/(.*)-> /, ""); | |
| 25 | |
| 26 // If a start frame has been specified, walk up the stack until we have | |
| 27 // found the corresponding file | |
| 28 if (aStartFrame) { | |
| 29 filename = aStartFrame.filename.replace(/(.*)-> /, ""); | |
| 30 | |
| 31 while (frame.caller && | |
| 32 frame.filename && (frame.filename.indexOf(filename) == -1)) { | |
| 33 frame = frame.caller; | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 // Walk even up more until the next file has been found | |
| 38 while (frame.caller && | |
| 39 (!frame.filename || (frame.filename.indexOf(filename) != -1))) | |
| 40 frame = frame.caller; | |
| 41 | |
| 42 return frame; | |
| 43 } |
