Move all the builtin$ interceptors to a new interceptors library and shorten the names of them.

lib/compiler/implementation/lib/js_helper.dart

Index: lib/compiler/implementation/lib/js_helper.dart
diff --git a/lib/compiler/implementation/lib/js_helper.dart b/lib/compiler/implementation/lib/js_helper.dart
index 60b94d4b5548e881f7893b4201dcf1fe66472e32..db7d11dd72c03a22c957a2ec2df7e78241fd6153 100644
--- a/lib/compiler/implementation/lib/js_helper.dart
+++ b/lib/compiler/implementation/lib/js_helper.dart
@@ -29,12 +29,10 @@ bool checkNumbers(var a, var b) {
   return false;
 }
 
-
 bool isJsArray(var value) {
   return value !== null && JS('bool', @'#.constructor === Array', value);
 }
 
-
 add(var a, var b) {
   if (checkNumbers(a, b)) {
     return JS('num', @'# + #', a, b);
@@ -248,80 +246,14 @@ checkMutable(list, reason) {
   }
 }
 
-builtin$add$1(var receiver, var value) {
-  if (isJsArray(receiver)) {
-    checkGrowable(receiver, 'add');
-    JS('Object', @'#.push(#)', receiver, value);
-    return;
-  }
-  return UNINTERCEPTED(receiver.add(value));
-}
-
-builtin$removeLast$0(var receiver) {
-  if (isJsArray(receiver)) {
-    checkGrowable(receiver, 'removeLast');
-    if (receiver.length === 0) throw new IndexOutOfRangeException(-1);
-    return JS('Object', @'#.pop()', receiver);
-  }
-  return UNINTERCEPTED(receiver.removeLast());
-}
-
-builtin$filter$1(var receiver, var predicate) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.filter(predicate));
-  } else {
-    return Collections.filter(receiver, [], predicate);
-  }
-}
-
-
-builtin$get$length(var receiver) {
-  if (receiver is String || isJsArray(receiver)) {
-    return JS('num', @'#.length', receiver);
-  } else {
-    return UNINTERCEPTED(receiver.length);
-  }
-}
-
-builtin$set$length(receiver, newLength) {
-  if (isJsArray(receiver)) {
-    checkNull(newLength); // TODO(ahe): This is not specified but co19 tests it.
-    if (newLength is !int) throw new IllegalArgumentException(newLength);
-    if (newLength < 0) throw new IndexOutOfRangeException(newLength);
-    checkGrowable(receiver, 'set length');
-    JS('void', @'#.length = #', receiver, newLength);
-  } else {
-    UNINTERCEPTED(receiver.length = newLength);
-  }
-  return newLength;
-}
-
 checkGrowable(list, reason) {
   if (JS('bool', @'!!(#.fixed$length)', list)) {
     throw new UnsupportedOperationException(reason);
   }
 }
 
-builtin$toString$0(var value) {
-  if (JS('bool', @'typeof # == "object"', value)) {
-    if (isJsArray(value)) {
-      return Collections.collectionToString(value);
-    } else {
-      return UNINTERCEPTED(value.toString());
-    }
-  }
-  if (JS('bool', @'# === 0 && (1 / #) < 0', value, value)) {
-    return '-0.0';
-  }
-  if (value === null) return 'null';
-  if (JS('bool', @'typeof # == "function"', value)) {
-    return 'Closure';
-  }
-  return JS('string', @'String(#)', value);
-}
-
 String stringToString(value) {
-  var res = builtin$toString$0(value);
+  var res = value.toString();
   if (res is !String) throw new IllegalArgumentException(value);
   return res;
 }
@@ -332,12 +264,6 @@ String stringConcat(String receiver, String other) {
   return JS('String', @'# + #', receiver, other);
 }
 
-builtin$iterator$0(receiver) {
-  if (isJsArray(receiver)) {
-    return new ListIterator(receiver);
-  }
-  return UNINTERCEPTED(receiver.iterator());
-}
 
 class ListIterator<T> implements Iterator<T> {
   int i;
@@ -352,24 +278,6 @@ class ListIterator<T> implements Iterator<T> {
   }
 }
 
-builtin$charCodeAt$1(var receiver, int index) {
-  if (receiver is String) {
-    if (index is !num) throw new IllegalArgumentException(index);
-    if (index < 0) throw new IndexOutOfRangeException(index);
-    if (index >= receiver.length) throw new IndexOutOfRangeException(index);
-    return JS('int', @'#.charCodeAt(#)', receiver, index);
-  } else {
-    return UNINTERCEPTED(receiver.charCodeAt(index));
-  }
-}
-
-builtin$isEmpty$0(receiver) {
-  if (receiver is String || isJsArray(receiver)) {
-    return JS('bool', @'#.length === 0', receiver);
-  }
-  return UNINTERCEPTED(receiver.isEmpty());
-}
-
 class Primitives {
   static void printString(String string) {
     var hasConsole = JS('bool', @'typeof console == "object"');
@@ -526,38 +434,6 @@ class Primitives {
   }
 }
 
-builtin$compareTo$1(a, b) {
-  if (checkNumbers(a, b)) {
-    if (a < b) {
-      return -1;
-    } else if (a > b) {
-      return 1;
-    } else if (a == b) {
-      if (a == 0) {
-        bool aIsNegative = a.isNegative();
-        bool bIsNegative = b.isNegative();
-        if (aIsNegative == bIsNegative) return 0;
-        if (aIsNegative) return -1;
-        return 1;
-      }
-      return 0;
-    } else if (a.isNaN()) {
-      if (b.isNaN()) {
-        return 0;
-      }
-      return 1;
-    } else {
-      return -1;
-    }
-  } else if (a is String) {
-    if (b is !String) throw new IllegalArgumentException(b);
-    return JS('bool', @'# == #', a, b) ? 0
-      : JS('bool', @'# < #', a, b) ? -1 : 1;
-  } else {
-    return UNINTERCEPTED(a.compareTo(b));
-  }
-}
-
 /**
  * Called by generated code to throw an illegal-argument exception,
  * for example, if a non-integer index is given to an optimized
@@ -576,99 +452,6 @@ ioore(index) {
   throw new IndexOutOfRangeException(index);
 }
 
-builtin$addAll$1(receiver, collection) {
-  if (!isJsArray(receiver)) return UNINTERCEPTED(receiver.addAll(collection));
-
-  // TODO(ahe): Use for-in when it is implemented correctly.
-  var iterator = collection.iterator();
-  while (iterator.hasNext()) {
-    receiver.add(iterator.next());
-  }
-}
-
-builtin$addLast$1(receiver, value) {
-  if (!isJsArray(receiver)) return UNINTERCEPTED(receiver.addLast(value));
-
-  checkGrowable(receiver, 'addLast');
-  JS('Object', @'#.push(#)', receiver, value);
-}
-
-builtin$clear$0(receiver) {
-  if (!isJsArray(receiver)) return UNINTERCEPTED(receiver.clear());
-  receiver.length = 0;
-}
-
-builtin$forEach$1(receiver, f) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.forEach(f));
-  } else {
-    return Collections.forEach(receiver, f);
-  }
-}
-
-builtin$map$1(receiver, f) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.map(f));
-  } else {
-    return Collections.map(receiver, [], f);
-  }
-}
-
-builtin$getRange$2(receiver, start, length) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.getRange(start, length));
-  }
-  if (0 === length) return [];
-  checkNull(start); // TODO(ahe): This is not specified but co19 tests it.
-  checkNull(length); // TODO(ahe): This is not specified but co19 tests it.
-  if (start is !int) throw new IllegalArgumentException(start);
-  if (length is !int) throw new IllegalArgumentException(length);
-  if (length < 0) throw new IllegalArgumentException(length);
-  if (start < 0) throw new IndexOutOfRangeException(start);
-  var end = start + length;
-  if (end > receiver.length) {
-    throw new IndexOutOfRangeException(length);
-  }
-  if (length < 0) throw new IllegalArgumentException(length);
-  return JS('Object', @'#.slice(#, #)', receiver, start, end);
-}
-
-builtin$indexOf$1(receiver, element) {
-  if (isJsArray(receiver) || receiver is String) {
-    return builtin$indexOf$2(receiver, element, 0);
-  }
-  return UNINTERCEPTED(receiver.indexOf(element));
-}
-
-builtin$indexOf$2(receiver, element, start) {
-  if (isJsArray(receiver)) {
-    if (start is !int) throw new IllegalArgumentException(start);
-    var length = JS('num', @'#.length', receiver);
-    return Arrays.indexOf(receiver, element, start, length);
-  } else if (receiver is String) {
-    checkNull(element);
-    if (start is !int) throw new IllegalArgumentException(start);
-    if (element is !String) throw new IllegalArgumentException(element);
-    if (start < 0) return -1; // TODO(ahe): Is this correct?
-    return JS('int', @'#.indexOf(#, #)', receiver, element, start);
-  }
-  return UNINTERCEPTED(receiver.indexOf(element, start));
-}
-
-builtin$insertRange$2(receiver, start, length) {
-  if (isJsArray(receiver)) {
-    return builtin$insertRange$3(receiver, start, length, null);
-  }
-  return UNINTERCEPTED(receiver.insertRange(start, length));
-}
-
-builtin$insertRange$3(receiver, start, length, initialValue) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.insertRange(start, length, initialValue));
-  }
-  return listInsertRange(receiver, start, length, initialValue);
-}
-
 listInsertRange(receiver, start, length, initialValue) {
   if (length === 0) {
     return;
@@ -697,127 +480,9 @@ listInsertRange(receiver, start, length, initialValue) {
   receiver.length = receiverLength + length;
 }
 
-builtin$last$0(receiver) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.last());
-  }
-  return receiver[receiver.length - 1];
-}
-
-builtin$lastIndexOf$1(receiver, element) {
-  if (isJsArray(receiver)) {
-    var start = JS('num', @'#.length', receiver);
-    return Arrays.lastIndexOf(receiver, element, start);
-  } else if (receiver is String) {
-    checkNull(element);
-    if (element is !String) throw new IllegalArgumentException(element);
-    return JS('int', @'#.lastIndexOf(#)', receiver, element);
-  }
-  return UNINTERCEPTED(receiver.lastIndexOf(element));
-}
-
-builtin$lastIndexOf$2(receiver, element, start) {
-  if (isJsArray(receiver)) {
-    return Arrays.lastIndexOf(receiver, element, start);
-  } else if (receiver is String) {
-    checkNull(element);
-    if (element is !String) throw new IllegalArgumentException(element);
-    if (start !== null) {
-      if (start is !num) throw new IllegalArgumentException(start);
-      if (start < 0) return -1;
-      if (start >= receiver.length) {
-        if (element == "") return receiver.length;
-        start = receiver.length - 1;
-      }
-    }
-    return stringLastIndexOfUnchecked(receiver, element, start);
-  }
-  return UNINTERCEPTED(receiver.lastIndexOf(element, start));
-}
-
 stringLastIndexOfUnchecked(receiver, element, start)
   => JS('int', @'#.lastIndexOf(#, #)', receiver, element, start);
 
-builtin$removeRange$2(receiver, start, length) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.removeRange(start, length));
-  }
-  checkGrowable(receiver, 'removeRange');
-  if (length == 0) {
-    return;
-  }
-  checkNull(start); // TODO(ahe): This is not specified but co19 tests it.
-  checkNull(length); // TODO(ahe): This is not specified but co19 tests it.
-  if (start is !int) throw new IllegalArgumentException(start);
-  if (length is !int) throw new IllegalArgumentException(length);
-  if (length < 0) throw new IllegalArgumentException(length);
-  var receiverLength = JS('num', @'#.length', receiver);
-  if (start < 0 || start >= receiverLength) {
-    throw new IndexOutOfRangeException(start);
-  }
-  if (start + length > receiverLength) {
-    throw new IndexOutOfRangeException(start + length);
-  }
-  Arrays.copy(receiver,
-              start + length,
-              receiver,
-              start,
-              receiverLength - length - start);
-  receiver.length = receiverLength - length;
-}
-
-builtin$setRange$3(receiver, start, length, from) {
-  if (isJsArray(receiver)) {
-    return builtin$setRange$4(receiver, start, length, from, 0);
-  }
-  return UNINTERCEPTED(receiver.setRange(start, length, from));
-}
-
-builtin$setRange$4(receiver, start, length, from, startFrom) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.setRange(start, length, from, startFrom));
-  }
-
-  checkMutable(receiver, 'indexed set');
-  if (length === 0) return;
-  checkNull(start); // TODO(ahe): This is not specified but co19 tests it.
-  checkNull(length); // TODO(ahe): This is not specified but co19 tests it.
-  checkNull(from); // TODO(ahe): This is not specified but co19 tests it.
-  checkNull(startFrom); // TODO(ahe): This is not specified but co19 tests it.
-  if (start is !int) throw new IllegalArgumentException(start);
-  if (length is !int) throw new IllegalArgumentException(length);
-  if (startFrom is !int) throw new IllegalArgumentException(startFrom);
-  if (length < 0) throw new IllegalArgumentException(length);
-  if (start < 0) throw new IndexOutOfRangeException(start);
-  if (start + length > receiver.length) {
-    throw new IndexOutOfRangeException(start + length);
-  }
-
-  Arrays.copy(from, startFrom, receiver, start, length);
-}
-
-builtin$some$1(receiver, f) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.some(f));
-  } else {
-    return Collections.some(receiver, f);
-  }
-}
-
-builtin$every$1(receiver, f) {
-  if (!isJsArray(receiver)) {
-    return UNINTERCEPTED(receiver.every(f));
-  } else {
-    return Collections.every(receiver, f);
-  }
-}
-
-builtin$sort$1(receiver, compare) {
-  if (!isJsArray(receiver)) return UNINTERCEPTED(receiver.sort(compare));
-
-  checkMutable(receiver, 'sort');
-  DualPivotQuicksort.sort(receiver, compare);
-}
 
 checkNull(object) {
   if (object === null) throw new NullPointerException();
@@ -856,255 +521,9 @@ checkString(value) {
   return value;
 }
 
-builtin$isNegative$0(receiver) {
-  if (receiver is num) {
-    return (receiver === 0) ? (1 / receiver) < 0 : receiver < 0;
-  } else {
-    return UNINTERCEPTED(receiver.isNegative());
-  }
-}
-
-builtin$isNaN$0(receiver) {
-  if (receiver is num) {
-    return JS('bool', @'isNaN(#)', receiver);
-  } else {
-    return UNINTERCEPTED(receiver.isNegative());
-  }
-}
-
-builtin$remainder$1(a, b) {
-  if (checkNumbers(a, b)) {
-    return JS('num', @'# % #', a, b);
-  } else {
-    return UNINTERCEPTED(a.remainder(b));
-  }
-}
-
-builtin$abs$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.abs());
-
-  return JS('num', @'Math.abs(#)', receiver);
-}
-
-builtin$toInt$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.toInt());
-
-  if (receiver.isNaN()) throw new BadNumberFormatException('NaN');
-
-  if (receiver.isInfinite()) throw new BadNumberFormatException('Infinity');
-
-  var truncated = receiver.truncate();
-  return JS('bool', @'# == -0.0', truncated) ? 0 : truncated;
-}
-
-builtin$ceil$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.ceil());
-
-  return JS('num', @'Math.ceil(#)', receiver);
-}
-
-builtin$floor$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.floor());
-
-  return JS('num', @'Math.floor(#)', receiver);
-}
-
-builtin$isInfinite$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.isInfinite());
-
-  return JS('bool', @'# == Infinity', receiver)
-    || JS('bool', @'# == -Infinity', receiver);
-}
-
-builtin$negate$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.negate());
-
-  return JS('num', @'-#', receiver);
-}
-
-builtin$round$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.round());
-
-  if (JS('bool', @'# < 0', receiver)) {
-    return JS('num', @'-Math.round(-#)', receiver);
-  } else {
-    return JS('num', @'Math.round(#)', receiver);
-  }
-}
-
-builtin$toDouble$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.toDouble());
-
-  return receiver;
-}
-
-builtin$truncate$0(receiver) {
-  if (receiver is !num) return UNINTERCEPTED(receiver.truncate());
-
-  return receiver < 0 ? receiver.ceil() : receiver.floor();
-}
-
-builtin$toStringAsFixed$1(receiver, fractionDigits) {
-  if (receiver is !num) {
-    return UNINTERCEPTED(receiver.toStringAsFixed(fractionDigits));
-  }
-  checkNum(fractionDigits);
-
-  String result = JS('String', @'#.toFixed(#)', receiver, fractionDigits);
-  if (receiver == 0 && receiver.isNegative()) return "-$result";
-  return result;
-}
-
-builtin$toStringAsExponential$1(receiver, fractionDigits) {
-  if (receiver is !num) {
-    return UNINTERCEPTED(receiver.toStringAsExponential(fractionDigits));
-  }
-  if (fractionDigits !== null) checkNum(fractionDigits);
-
-  String result = JS('String', @'#.toExponential(#)',
-                     receiver, fractionDigits);
-  if (receiver == 0 && receiver.isNegative()) return "-$result";
-  return result;
-}
-
-builtin$toStringAsPrecision$1(receiver, fractionDigits) {
-  if (receiver is !num) {
-    return UNINTERCEPTED(receiver.toStringAsPrecision(fractionDigits));
-  }
-  checkNum(fractionDigits);
-
-  String result = JS('String', @'#.toPrecision(#)',
-                     receiver, fractionDigits);
-  if (receiver == 0 && receiver.isNegative()) return "-$result";
-  return result;
-}
-
-builtin$toRadixString$1(receiver, radix) {
-  if (receiver is !num) {
-    return UNINTERCEPTED(receiver.toRadixString(radix));
-  }
-  checkNum(radix);
-
-  return JS('String', @'#.toString(#)', receiver, radix);
-}
-
-builtin$allMatches$1(receiver, str) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.allMatches(str));
-  checkString(str);
-  return allMatchesInStringUnchecked(receiver, str);
-}
-
-builtin$concat$1(receiver, other) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.concat(other));
-
-  if (other is !String) throw new IllegalArgumentException(other);
-  return JS('String', @'# + #', receiver, other);
-}
-
-builtin$contains$1(receiver, other) {
-  if (receiver is !String) {
-    return UNINTERCEPTED(receiver.contains(other));
-  }
-  return builtin$contains$2(receiver, other, 0);
-}
-
-builtin$contains$2(receiver, other, startIndex) {
-  if (receiver is !String) {
-    return UNINTERCEPTED(receiver.contains(other, startIndex));
-  }
-  checkNull(other);
-  return stringContainsUnchecked(receiver, other, startIndex);
-}
-
-builtin$endsWith$1(receiver, other) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.endsWith(other));
-
-  checkString(other);
-  int receiverLength = receiver.length;
-  int otherLength = other.length;
-  if (otherLength > receiverLength) return false;
-  return other == receiver.substring(receiverLength - otherLength);
-}
-
-builtin$replaceAll$2(receiver, from, to) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.replaceAll(from, to));
-
-  checkString(to);
-  return stringReplaceAllUnchecked(receiver, from, to);
-}
-
-builtin$replaceFirst$2(receiver, from, to) {
-  if (receiver is !String) {
-    return UNINTERCEPTED(receiver.replaceFirst(from, to));
-  }
-  checkString(to);
-  return stringReplaceFirstUnchecked(receiver, from, to);
-}
-
-builtin$split$1(receiver, pattern) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.split(pattern));
-  checkNull(pattern);
-  return stringSplitUnchecked(receiver, pattern);
-}
-
-builtin$splitChars$0(receiver) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.splitChars());
-
-  return JS('List', @'#.split("")', receiver);
-}
-
-builtin$startsWith$1(receiver, other) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.startsWith(other));
-  checkString(other);
-
-  int length = other.length;
-  if (length > receiver.length) return false;
-  return JS('bool', @'# == #', other,
-            JS('String', @'#.substring(0, #)', receiver, length));
-}
-
-builtin$substring$1(receiver, startIndex) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.substring(startIndex));
-
-  return builtin$substring$2(receiver, startIndex, null);
-}
-
-builtin$substring$2(receiver, startIndex, endIndex) {
-  if (receiver is !String) {
-    return UNINTERCEPTED(receiver.substring(startIndex, endIndex));
-  }
-  checkNum(startIndex);
-  var length = receiver.length;
-  if (endIndex === null) endIndex = length;
-  checkNum(endIndex);
-  if (startIndex < 0 ) throw new IndexOutOfRangeException(startIndex);
-  if (startIndex > endIndex) throw new IndexOutOfRangeException(startIndex);
-  if (endIndex > length) throw new IndexOutOfRangeException(endIndex);
-  return substringUnchecked(receiver, startIndex, endIndex);
-}
-
 substringUnchecked(receiver, startIndex, endIndex)
   => JS('String', @'#.substring(#, #)', receiver, startIndex, endIndex);
 
-
-builtin$toLowerCase$0(receiver) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.toLowerCase());
-
-  return JS('String', @'#.toLowerCase()', receiver);
-}
-
-builtin$toUpperCase$0(receiver) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.toUpperCase());
-
-  return JS('String', @'#.toUpperCase()', receiver);
-}
-
-builtin$trim$0(receiver) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.trim());
-
-  return JS('String', @'#.trim()', receiver);
-}
-
 class MathNatives {
   static int parseInt(str) {
     checkString(str);
@@ -1177,33 +596,6 @@ class MathNatives {
 }
 
 /**
- * This is the [Jenkins hash function][1] but using masking to keep
- * values in SMI range. This was inspired by jmesserly's work in
- * Frog.
- *
- * [1]: http://en.wikipedia.org/wiki/Jenkins_hash_function
- */
-builtin$hashCode$0(receiver) {
-  // TODO(ahe): This method shouldn't have to use JS. Update when our
-  // optimizations are smarter.
-  if (receiver is num) return JS('int', @'# & 0x1FFFFFFF', receiver);
-  if (receiver is !String) return UNINTERCEPTED(receiver.hashCode());
-  int hash = 0;
-  int length = JS('int', @'#.length', receiver);
-  for (int i = 0; i < length; i++) {
-    hash = 0x1fffffff & (hash + JS('int', @'#.charCodeAt(#)', receiver, i));
-    hash = 0x1fffffff & (hash + JS('int', @'# << #', 0x0007ffff & hash, 10));
-    hash ^= hash >> 6;
-  }
-  hash = 0x1fffffff & (hash + JS('int', @'# << #', 0x03ffffff & hash, 3));
-  hash ^= hash >> 11;
-  return 0x1fffffff & (hash + JS('int', @'# << #', 0x00003fff & hash, 15));
-}
-
-// TODO(ahe): Dynamic may be overridden.
-builtin$get$dynamic(receiver) => receiver;
-
-/**
  * Called by generated code to capture the stacktrace before throwing
  * an exception.
  */
@@ -1223,16 +615,6 @@ captureStackTrace(ex) {
  */
 toStringWrapper() => JS('Object', @'this.dartException').toString();
 
-builtin$charCodes$0(receiver) {
-  if (receiver is !String) return UNINTERCEPTED(receiver.charCodes());
-  int len = receiver.length;
-  List<int> result = new List<int>(len);
-  for (int i = 0; i < len; i++) {
-    result[i] = receiver.charCodeAt(i);
-  }
-  return result;
-}
-
 makeLiteralListConst(list) {
   JS('bool', @'#.immutable$list = #', list, true);
   JS('bool', @'#.fixed$length = #', list, true);
@@ -1371,16 +753,6 @@ jsPropertyAccess(var jsObject, String property) {
  */
 getFallThroughError() => const FallThroughError();
 
-builtin$isEven$0(receiver) {
-  if (receiver is !int) return UNINTERCEPTED(receiver.isEven());
-  return (receiver & 1) === 0;
-}
-
-builtin$isOdd$0(receiver) {
-  if (receiver is !int) return UNINTERCEPTED(receiver.isOdd());
-  return (receiver & 1) === 1;
-}
-
 /**
  * Represents the type Dynamic. The compiler treats this specially.
  */
@@ -1395,5 +767,3 @@ class Null {
     throw new UnsupportedOperationException('new Null()');
   }
 }
-
-builtin$get$toString(receiver) => () => builtin$toString$0(receiver);