Move lib from sdk/lib/_internal/compiler/implementation to _internal root.

sdk/lib/_internal/compiler/implementation/lib/regexp_helper.dart

Index: sdk/lib/_internal/compiler/implementation/lib/regexp_helper.dart
===================================================================
--- sdk/lib/_internal/compiler/implementation/lib/regexp_helper.dart	(revision 23664)
+++ sdk/lib/_internal/compiler/implementation/lib/regexp_helper.dart	(working copy)
@@ -1,142 +0,0 @@
-// Copyright (c) 2012, 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 _js_helper;
-
-// Helper method used by internal libraries.
-regExpGetNative(JSSyntaxRegExp regexp) => regexp._nativeRegExp;
-
-class JSSyntaxRegExp implements RegExp {
-  final String _pattern;
-  final bool _isMultiLine;
-  final bool _isCaseSensitive;
-  var _nativeRegExp;
-
-  JSSyntaxRegExp._internal(String pattern,
-                           bool multiLine,
-                           bool caseSensitive,
-                           bool global)
-      : _nativeRegExp = makeNative(pattern, multiLine, caseSensitive, global),
-        this._pattern = pattern,
-        this._isMultiLine = multiLine,
-        this._isCaseSensitive = caseSensitive;
-
-  JSSyntaxRegExp(String pattern,
-                 {bool multiLine: false,
-                  bool caseSensitive: true})
-      : this._internal(pattern, multiLine, caseSensitive, false);
-
-  JSSyntaxRegExp._globalVersionOf(JSSyntaxRegExp other)
-      : this._internal(other.pattern,
-                       other.isMultiLine,
-                       other.isCaseSensitive,
-                       true);
-
-  static makeNative(
-      String pattern, bool multiLine, bool caseSensitive, bool global) {
-    checkString(pattern);
-    String m = multiLine ? 'm' : '';
-    String i = caseSensitive ? '' : 'i';
-    String g = global ? 'g' : '';
-    // We're using the JavaScript's try catch instead of the Dart one
-    // to avoid dragging in Dart runtime support just because of using
-    // RegExp.
-    var regexp = JS('',
-        '(function() {'
-         'try {'
-          'return new RegExp(#, # + # + #);'
-         '} catch (e) {'
-           'return e;'
-         '}'
-        '})()', pattern, m, i, g);
-    if (JS('bool', '# instanceof RegExp', regexp)) return regexp;
-    // The returned value is the JavaScript exception. Turn it into a
-    // Dart exception.
-    String errorMessage = JS('String', r'String(#)', regexp);
-    throw new FormatException(
-        "Illegal RegExp pattern: $pattern, $errorMessage");
-  }
-
-  Match firstMatch(String str) {
-    List<String> m =
-        JS('=List|Null', r'#.exec(#)', _nativeRegExp, checkString(str));
-    if (m == null) return null;
-    var matchStart = JS('int', r'#.index', m);
-    // m.lastIndex only works with flag 'g'.
-    var matchEnd = matchStart + m[0].length;
-    return new _MatchImplementation(pattern, str, matchStart, matchEnd, m);
-  }
-
-  bool hasMatch(String str) {
-    return JS('bool', r'#.test(#)', _nativeRegExp, checkString(str));
-  }
-
-  String stringMatch(String str) {
-    var match = firstMatch(str);
-    return match == null ? null : match.group(0);
-  }
-
-  Iterable<Match> allMatches(String str) {
-    checkString(str);
-    return new _AllMatchesIterable(this, str);
-  }
-
-  String get pattern => _pattern;
-  bool get isMultiLine => _isMultiLine;
-  bool get isCaseSensitive => _isCaseSensitive;
-}
-
-class _MatchImplementation implements Match {
-  final String pattern;
-  final String str;
-  final int start;
-  final int end;
-  final List<String> _groups;
-
-  const _MatchImplementation(
-      String this.pattern,
-      String this.str,
-      int this.start,
-      int this.end,
-      List<String> this._groups);
-
-  String group(int index) => _groups[index];
-  String operator [](int index) => group(index);
-  int get groupCount => _groups.length - 1;
-
-  List<String> groups(List<int> groups) {
-    List<String> out = [];
-    for (int i in groups) {
-      out.add(group(i));
-    }
-    return out;
-  }
-}
-
-class _AllMatchesIterable extends IterableBase<Match> {
-  final JSSyntaxRegExp _re;
-  final String _str;
-
-  const _AllMatchesIterable(this._re, this._str);
-
-  Iterator<Match> get iterator => new _AllMatchesIterator(_re, _str);
-}
-
-class _AllMatchesIterator implements Iterator<Match> {
-  final RegExp _re;
-  final String _str;
-  Match _current;
-
-  _AllMatchesIterator(JSSyntaxRegExp re, String this._str)
-    : _re = new JSSyntaxRegExp._globalVersionOf(re);
-
-  Match get current => _current;
-
-  bool moveNext() {
-    // firstMatch actually acts as nextMatch because of
-    // hidden global flag.
-    _current = _re.firstMatch(_str);
-    return _current != null;
-  }
-}