blob: 8b78e85f45f3dccd7cdfa06fa0000e9c2153a3e0 [file] [log] [blame]
// 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);
}
}