| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| /* ES6 20140718 draft 19.5.3.4. */ |
| function ErrorToString() |
| { |
| /* Steps 1-2. */ |
| var obj = this; |
| if (!IsObject(obj)) |
| ThrowTypeError(JSMSG_INCOMPATIBLE_PROTO, "Error", "toString", "value"); |
| |
| /* Steps 3-5. */ |
| var name = obj.name; |
| name = (name === undefined) ? "Error" : ToString(name); |
| |
| /* Steps 6-8. */ |
| var msg = obj.message; |
| msg = (msg === undefined) ? "" : ToString(msg); |
| |
| /* Step 9. */ |
| if (name === "") |
| return msg; |
| |
| /* Step 10. */ |
| if (msg === "") |
| return name; |
| |
| /* Step 11. */ |
| return name + ": " + msg; |
| } |
