| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // part of "internal_patch.dart"; |
| |
| @patch |
| class Symbol { |
| @patch |
| const Symbol(String name) : this._name = name; |
| |
| @patch |
| toString() => 'Symbol("${computeUnmangledName(this)}")'; |
| |
| @patch |
| static String computeUnmangledName(Symbol symbol) { |
| String string = Symbol.getName(symbol); |
| |
| // get:foo -> foo |
| // set:foo -> foo= |
| // get:_foo@xxx -> _foo |
| // set:_foo@xxx -> _foo= |
| // Class._constructor@xxx -> Class._constructor |
| // _Class@xxx._constructor@xxx -> _Class._constructor |
| // lib._S@xxx with lib._M1@xxx, lib._M2@xxx -> lib._S with lib._M1, lib._M2 |
| StringBuffer result = new StringBuffer(); |
| bool add_setter_suffix = false; |
| var pos = 0; |
| if (string.length >= 4 && string[3] == ':') { |
| // Drop 'get:' or 'set:' prefix. |
| pos = 4; |
| if (string[0] == 's') { |
| add_setter_suffix = true; |
| } |
| } |
| // Skip everything between AT and PERIOD, SPACE, COMMA or END |
| bool skip = false; |
| for (; pos < string.length; pos++) { |
| var char = string[pos]; |
| if (char == '@') { |
| skip = true; |
| } else if (char == '.' || char == ' ' || char == ',') { |
| skip = false; |
| } |
| if (!skip) { |
| result.write(char); |
| } |
| } |
| if (add_setter_suffix) { |
| result.write('='); |
| } |
| return result.toString(); |
| } |
| |
| @patch |
| int get hashCode { |
| const arbitraryPrime = 664597; |
| return 0x1fffffff & (arbitraryPrime * _name.hashCode); |
| } |
| } |