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

compiler/lib/implementation/string.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_StringImplementation__indexOperator(index) {
-  "use strict";
-  return this[index];
-}
-
-function native_StringImplementation__charCodeAt(index) {
-  "use strict";
-  return this.charCodeAt(index);
-}
-
-function native_StringImplementation_get$length() {
-  "use strict";
-  return this.length;
-}
-
-function native_StringImplementation_EQ(other) {
-  // TODO(kasperl): We should really try to avoid having wrapped
-  // strings floating around. The usually stem from referencing [this]
-  // in Dart methods patched onto the String.prototype object.
-
-  // Because of the checks in EQ$operator, we know [this] is a string
-  // wrapper, but we have to make sure that [other] is either a
-  // wrapper or a proper string before we can use == to compare the
-  // contents.
-  return (typeof(other) == 'string' || other.constructor === String)
-      ? this == other
-      : false;
-}
-
-function native_StringImplementation__nativeIndexOf(other, startIndex) {
-  "use strict";
-  return this.indexOf(other, startIndex);
-}
-
-function native_StringImplementation__nativeLastIndexOf(other, fromIndex) {
-  "use strict";
-  if (other == "") {
-    return Math.min(this.length, fromIndex);
-  }
-  return this.lastIndexOf(other, fromIndex);
-}
-
-function native_StringImplementation_concat(other) {
-  "use strict";
-  return this.concat(other);
-}
-
-function native_StringImplementation__substringUnchecked(startIndex, endIndex) {
-  "use strict";
-  return this.substring(startIndex, endIndex);
-}
-
-function native_StringImplementation_trim() {
-  "use strict";
-  if (this.trim) return this.trim();
-  return this.replace(new RegExp("^[\s]+|[\s]+$", "g"), "");
-}
-
-function native_StringImplementation__replace(from, to) {
-  "use strict";
-  if ($isString(from)) {
-    return this.replace(from, to);
-  } else {
-    return this.replace($DartRegExpToJSRegExp(from), to);
-  }
-}
-
-function native_StringImplementation__replaceAll(from, to) {
-  "use strict";
-  if ($isString(from)) {
-    var regexp = new RegExp(
-        from.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'g');
-    return this.replace(regexp, to);
-  } else {
-    var regexp = $DartRegExpToJSRegExp(from);
-    return this.replace(regexp, to);
-  }
-}
-
-function native_StringImplementation__split(pattern) {
-  "use strict";
-  if ($isString(pattern)) {
-    return this.split(pattern);
-  } else {
-    return this.split($DartRegExpToJSRegExp(pattern));
-  }
-}
-
-function native_StringImplementation_toLowerCase() {
-  "use strict";
-  return this.toLowerCase();
-}
-
-function native_StringImplementation_toUpperCase() {
-  "use strict";
-  return this.toUpperCase();
-}
-
-// Inherited from Hashable.
-function native_StringImplementation_hashCode() {
-  "use strict";
-  var hash = 0;
-  for (var i = 0; i < this.length; i++) {
-    var ch = this.charCodeAt(i);
-    hash += ch;
-    hash += hash << 10;
-    hash ^= hash >> 6;
-  }
-
-  hash += hash << 3;
-  hash ^= hash >> 11;
-  hash += hash << 15;
-  hash = hash & ((1 << 29) - 1);
-
-  return hash;
-}
-
-function native_StringImplementation_toString() {
-  "use strict";
-  // Return the primitive string of this String object.
-  return String(this);
-}
-
-// TODO(floitsch): If we allow comparison operators on the String class we
-// should move this function into dart world.
-function native_StringImplementation_compareTo(other) {
-  "use strict";
-  if (this == other) return 0;
-  if (this < other) return -1;
-  return 1;
-}
-
-function native_StringImplementation__newFromValues(array) {
-  "use strict";
-  if (!(array instanceof Array)) {
-    var length = native__ListJsUtil__listLength(array);
-    var tmp = new Array(length);
-    for (var i = 0; i < length; i++) {
-      tmp[i] = INDEX$operator(array, i);
-    }
-    array = tmp;
-  }
-  return String.fromCharCode.apply(this, array);
-}
-
-// Deprecated old name of new String.fromValues(..).
-function native_StringBase_createFromCharCodes(array) {
-  return native_StringImplementation__newFromValues(array);
-}