Revert "Removes dartc reliance on its own libraries, now can be targeted at any implementation's li…

compiler/lib/implementation/regexp.js

+// Copyright (c) 2011, 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.
+
+function native_JSSyntaxRegExp_firstMatch(str) {
+  var re = $DartRegExpToJSRegExp(this);
+  var m = re.exec(str);
+  if (m != null) {
+    var match = native_JSSyntaxMatch__new(this, str);
+    match.match_ = m;
+    match.lastIndex_ = re.lastIndex;
+    return match;
+  }
+  return $Dart$Null;
+}
+
+function native_JSSyntaxRegExp_hasMatch(str) {
+  return $DartRegExpToJSRegExp(this).test(str);
+}
+
+function native_JSSyntaxRegExp_stringMatch(str) {
+  var m = $DartRegExpToJSRegExp(this).exec(str);
+  return (m != null ? m[0] : $Dart$Null);
+}
+
+function native_JSSyntaxMatch_group(nb) {
+  return this.match_[nb];
+}
+
+function native_JSSyntaxMatch_groupCount() {
+  return this.match_.length;
+}
+
+function native_JSSyntaxMatch_start() {
+  return this.match_.index;
+}
+
+function native_JSSyntaxMatch_end() {
+  return this.lastIndex_;
+}
+
+function native__LazyAllMatchesIterator__jsInit(regExp) {
+  this.re = $DartRegExpToJSRegExp(regExp);
+}
+
+// The given RegExp is only used to initialize a new Match. We use the
+// cached JS regexp to compute the next match.
+function native__LazyAllMatchesIterator__computeNextMatch(regExp, str) {
+  var re = this.re;
+  if (re === null) return $Dart$Null;
+  var m = re.exec(str);
+  if (m == null) {
+    this.re = null;
+    return $Dart$Null;
+  }
+  var match = native_JSSyntaxMatch__new(regExp, str);
+  match.match_ = m;
+  match.lastIndex_ = re.lastIndex;
+  return match;
+}
+
+function $DartRegExpToJSRegExp(exp) {
+  var flags = "g";
+  if (native_JSSyntaxRegExp__multiLine(exp)) flags += "m";
+  if (native_JSSyntaxRegExp__ignoreCase(exp)) flags += "i";
+  return new RegExp(native_JSSyntaxRegExp__pattern(exp), flags);
+}