kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 1 | // Copyright 2008 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 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. |
| 27 | |
| 28 | // How crappy is it that I have to implement completely basic stuff |
| 29 | // like this myself? Answer: very. |
| 30 | String.prototype.startsWith = function (str) { |
| 31 | if (str.length > this.length) |
| 32 | return false; |
| 33 | return this.substr(0, str.length) == str; |
| 34 | }; |
| 35 | |
| 36 | function ToInspectableObject(obj) { |
| 37 | if (!obj && typeof obj === 'object') { |
| 38 | return void 0; |
| 39 | } else { |
| 40 | return Object(obj); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | function GetCompletions(global, last, full) { |
| 45 | var full_tokens = full.split(); |
| 46 | full = full_tokens.pop(); |
| 47 | var parts = full.split('.'); |
| 48 | parts.pop(); |
| 49 | var current = global; |
| 50 | for (var i = 0; i < parts.length; i++) { |
| 51 | var part = parts[i]; |
| 52 | var next = current[part]; |
| 53 | if (!next) |
| 54 | return []; |
| 55 | current = next; |
| 56 | } |
| 57 | var result = []; |
| 58 | current = ToInspectableObject(current); |
| 59 | while (typeof current !== 'undefined') { |
| 60 | var mirror = new $debug.ObjectMirror(current); |
| 61 | var properties = mirror.properties(); |
| 62 | for (var i = 0; i < properties.length; i++) { |
| 63 | var name = properties[i].name(); |
| 64 | if (typeof name === 'string' && name.startsWith(last)) |
| 65 | result.push(name); |
| 66 | } |
| 67 | current = ToInspectableObject(current.__proto__); |
| 68 | } |
| 69 | return result; |
| 70 | } |