Fix type checking of void type.

runtime/lib/byte_array.dart

 // 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.
 
 /**
  * A random-access sequence of bytes that also provides random access to
  * the fixed-width integers and floating point numbers represented by
  * those bytes. Byte arrays may be used to pack and unpack data from
  * external sources (such as networks or files systems), and to process
  * large quantities of numerical data more efficiently than would be possible
@@ skipping 1007 matching lines @@
     if (length === null) {
       length = array.lengthInBytes();
     }
     return new _Int8ArrayView(array, start, length);
   }
 
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toInt8(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 1;
 
   static _Int8Array _new(int length) native "Int8Array_new";
 
   int _getIndexed(int index) native "Int8Array_getIndexed";
-  void _setIndexed(int index, int value) native "Int8Array_setIndexed";
+  int _setIndexed(int index, int value) native "Int8Array_setIndexed";
 }
 
 
 class _Uint8Array extends _ByteArrayBase implements Uint8List {
   factory _Uint8Array(int length) {
     return _new(length);
   }
 
   factory _Uint8Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = array.lengthInBytes();
     }
     return new _Uint8ArrayView(array, start, length);
   }
 
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toUint8(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 1;
 
   static _Uint8Array _new(int length) native "Uint8Array_new";
 
   int _getIndexed(int index) native "Uint8Array_getIndexed";
-  void _setIndexed(int index, int value) native "Uint8Array_setIndexed";
+  int _setIndexed(int index, int value) native "Uint8Array_setIndexed";
 }
 
 
 class _Int16Array extends _ByteArrayBase implements Int16List {
   factory _Int16Array(int length) {
     return _new(length);
   }
 
   factory _Int16Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = (array.lengthInBytes() - start) ~/ _BYTES_PER_ELEMENT;
     }
     return new _Int16ArrayView(array, start, length);
   }
 
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toInt16(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 2;
 
   static _Int16Array _new(int length) native "Int16Array_new";
 
   int _getIndexed(int index) native "Int16Array_getIndexed";
-  void _setIndexed(int index, int value) native "Int16Array_setIndexed";
+  int _setIndexed(int index, int value) native "Int16Array_setIndexed";
 }
 
 
 class _Uint16Array extends _ByteArrayBase implements Uint16List {
   factory _Uint16Array(int length) {
     return _new(length);
   }
 
   factory _Uint16Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = (array.lengthInBytes() - start) ~/ _BYTES_PER_ELEMENT;
     }
     return new _Uint16ArrayView(array, start, length);
   }
 
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toUint16(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 2;
 
   static _Uint16Array _new(int length) native "Uint16Array_new";
 
   int _getIndexed(int index) native "Uint16Array_getIndexed";
-  void _setIndexed(int index, int value) native "Uint16Array_setIndexed";
+  int _setIndexed(int index, int value) native "Uint16Array_setIndexed";
 }
 
 
 class _Int32Array extends _ByteArrayBase implements Int32List {
   factory _Int32Array(int length) {
     return _new(length);
   }
 
   factory _Int32Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = (array.lengthInBytes() - start) ~/ _BYTES_PER_ELEMENT;
     }
     return new _Int32ArrayView(array, start, length);
   }
 
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toInt32(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 4;
 
   static _Int32Array _new(int length) native "Int32Array_new";
 
   int _getIndexed(int index) native "Int32Array_getIndexed";
-  void _setIndexed(int index, int value) native "Int32Array_setIndexed";
+  int _setIndexed(int index, int value) native "Int32Array_setIndexed";
 }
 
 
 class _Uint32Array extends _ByteArrayBase implements Uint32List {
   factory _Uint32Array(int length) {
     return _new(length);
   }
 
   factory _Uint32Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = (array.lengthInBytes() - start) ~/ _BYTES_PER_ELEMENT;
     }
     return new _Uint32ArrayView(array, start, length);
   }
 
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toUint32(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 4;
 
   static _Uint32Array _new(int length) native "Uint32Array_new";
 
   int _getIndexed(int index) native "Uint32Array_getIndexed";
-  void _setIndexed(int index, int value) native "Uint32Array_setIndexed";
+  int _setIndexed(int index, int value) native "Uint32Array_setIndexed";
 }
 
 
 class _Int64Array extends _ByteArrayBase implements Int64List {
   factory _Int64Array(int length) {
     return _new(length);
   }
 
   factory _Int64Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = (array.lengthInBytes() - start) ~/ _BYTES_PER_ELEMENT;
     }
     return new _Int64ArrayView(array, start, length);
   }
 
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toInt64(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 8;
 
   static _Int64Array _new(int length) native "Int64Array_new";
 
   int _getIndexed(int index) native "Int64Array_getIndexed";
-  void _setIndexed(int index, int value) native "Int64Array_setIndexed";
+  int _setIndexed(int index, int value) native "Int64Array_setIndexed";
 }
 
 
 class _Uint64Array extends _ByteArrayBase implements Uint64List {
   factory _Uint64Array(int length) {
     return _new(length);
   }
 
   factory _Uint64Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = (array.lengthInBytes() - start) ~/ _BYTES_PER_ELEMENT;
     }
     return new _Uint64ArrayView(array, start, length);
   }
 
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toUint64(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 8;
 
   static _Uint64Array _new(int length) native "Uint64Array_new";
 
   int _getIndexed(int index) native "Uint64Array_getIndexed";
-  void _setIndexed(int index, int value) native "Uint64Array_setIndexed";
+  int _setIndexed(int index, int value) native "Uint64Array_setIndexed";
 }
 
 
 class _Float32Array extends _ByteArrayBase implements Float32List {
   factory _Float32Array(int length) {
     return _new(length);
   }
 
   factory _Float32Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = (array.lengthInBytes() - start) ~/ _BYTES_PER_ELEMENT;
     }
     return new _Float32ArrayView(array, start, length);
   }
 
   double operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, double value) {
+  int operator[]=(int index, double value) {
     _setIndexed(index, value);
   }
 
   Iterator<double> iterator() {
     return new _ByteArrayIterator<double>(this);
   }
 
   List<double> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<double> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 4;
 
   static _Float32Array _new(int length) native "Float32Array_new";
 
   double _getIndexed(int index) native "Float32Array_getIndexed";
-  void _setIndexed(int index, double value) native "Float32Array_setIndexed";
+  int _setIndexed(int index, double value) native "Float32Array_setIndexed";
 }
 
 
 class _Float64Array extends _ByteArrayBase implements Float64List {
   factory _Float64Array(int length) {
     return _new(length);
   }
 
   factory _Float64Array.view(ByteArray array, [int start = 0, int length]) {
     if (length === null) {
       length = (array.lengthInBytes() - start) ~/ _BYTES_PER_ELEMENT;
     }
     return new _Float64ArrayView(array, start, length);
   }
 
   double operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, double value) {
+  int operator[]=(int index, double value) {
     _setIndexed(index, value);
   }
 
   Iterator<double> iterator() {
     return new _ByteArrayIterator<double>(this);
   }
 
   List<double> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<double> result = _new(length);
@@ skipping 22 matching lines @@
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 8;
 
   static _Float64Array _new(int length) native "Float64Array_new";
 
   double _getIndexed(int index) native "Float64Array_getIndexed";
-  void _setIndexed(int index, double value) native "Float64Array_setIndexed";
+  int _setIndexed(int index, double value) native "Float64Array_setIndexed";
 }
 
 
 class _ExternalInt8Array extends _ByteArrayBase implements Int8List {
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toInt8(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = new Int8List(length);
@@ skipping 20 matching lines @@
     return _BYTES_PER_ELEMENT;
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 1;
 
   int _getIndexed(int index) native "ExternalInt8Array_getIndexed";
-  void _setIndexed(int index, int value) native "ExternalInt8Array_setIndexed";
+  int _setIndexed(int index, int value) native "ExternalInt8Array_setIndexed";
 }
 
 
 class _ExternalUint8Array extends _ByteArrayBase implements Uint8List {
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toUint8(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = new Uint8List(length);
@@ skipping 20 matching lines @@
     return _BYTES_PER_ELEMENT;
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 1;
 
   int _getIndexed(int index) native "ExternalUint8Array_getIndexed";
-  void _setIndexed(int index, int value) native "ExternalUint8Array_setIndexed";
+  int _setIndexed(int index, int value) native "ExternalUint8Array_setIndexed";
 }
 
 
 class _ExternalInt16Array extends _ByteArrayBase implements Int16List {
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toInt16(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = new Int16List(length);
@@ skipping 20 matching lines @@
     return _BYTES_PER_ELEMENT;
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 2;
 
   int _getIndexed(int index) native "ExternalInt16Array_getIndexed";
-  void _setIndexed(int index, int value) native "ExternalInt16Array_setIndexed";
+  int _setIndexed(int index, int value) native "ExternalInt16Array_setIndexed";
 }
 
 
 class _ExternalUint16Array extends _ByteArrayBase implements Uint16List {
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toUint16(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = new Uint16List(length);
@@ skipping 21 matching lines @@
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 2;
 
   int _getIndexed(int index)
       native "ExternalUint16Array_getIndexed";
-  void _setIndexed(int index, int value)
+  int _setIndexed(int index, int value)
       native "ExternalUint16Array_setIndexed";
 }
 
 
 class _ExternalInt32Array extends _ByteArrayBase implements Int32List {
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toInt32(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = new Int32List(length);
@@ skipping 21 matching lines @@
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 4;
 
   int _getIndexed(int index)
       native "ExternalInt32Array_getIndexed";
-  void _setIndexed(int index, int value)
+  int _setIndexed(int index, int value)
       native "ExternalInt32Array_setIndexed";
 }
 
 
 class _ExternalUint32Array extends _ByteArrayBase implements Uint32List {
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toUint32(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = new Uint32List(length);
@@ skipping 21 matching lines @@
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 4;
 
   int _getIndexed(int index)
       native "ExternalUint32Array_getIndexed";
-  void _setIndexed(int index, int value)
+  int _setIndexed(int index, int value)
       native "ExternalUint32Array_setIndexed";
 }
 
 
 class _ExternalInt64Array extends _ByteArrayBase implements Int64List {
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toInt64(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = new Int64List(length);
@@ skipping 21 matching lines @@
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 8;
 
   int _getIndexed(int index)
       native "ExternalInt64Array_getIndexed";
-  void _setIndexed(int index, int value)
+  int _setIndexed(int index, int value)
       native "ExternalInt64Array_setIndexed";
 }
 
 
 class _ExternalUint64Array extends _ByteArrayBase implements Uint64List {
   int operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, int value) {
+  int operator[]=(int index, int value) {
     _setIndexed(index, _toUint64(value));
   }
 
   Iterator<int> iterator() {
     return new _ByteArrayIterator<int>(this);
   }
 
   List<int> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<int> result = new Uint64List(length);
@@ skipping 21 matching lines @@
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 8;
 
   int _getIndexed(int index)
       native "ExternalUint64Array_getIndexed";
-  void _setIndexed(int index, int value)
+  int _setIndexed(int index, int value)
       native "ExternalUint64Array_setIndexed";
 }
 
 
 class _ExternalFloat32Array extends _ByteArrayBase implements Float32List {
   double operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, double value) {
+  int operator[]=(int index, double value) {
     _setIndexed(index, value);
   }
 
   Iterator<double> iterator() {
     return new _ByteArrayIterator<double>(this);
   }
 
   List<double> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<double> result = new Float32List(length);
@@ skipping 21 matching lines @@
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 4;
 
   double _getIndexed(int index)
       native "ExternalFloat32Array_getIndexed";
-  void _setIndexed(int index, double value)
+  int _setIndexed(int index, double value)
       native "ExternalFloat32Array_setIndexed";
 }
 
 
 class _ExternalFloat64Array extends _ByteArrayBase implements Float64List {
   double operator[](int index) {
     return _getIndexed(index);
   }
 
-  void operator[]=(int index, double value) {
+  int operator[]=(int index, double value) {
     _setIndexed(index, value);
   }
 
   Iterator<double> iterator() {
     return new _ByteArrayIterator<double>(this);
   }
 
   List<double> getRange(int start, int length) {
     _rangeCheck(this.length, start, length);
     List<double> result = new Float64List(length);
@@ skipping 21 matching lines @@
   }
 
   int lengthInBytes() {
     return _length() * _BYTES_PER_ELEMENT;
   }
 
   static final int _BYTES_PER_ELEMENT = 8;
 
   double _getIndexed(int index)
       native "ExternalFloat64Array_getIndexed";
-  void _setIndexed(int index, double value)
+  int _setIndexed(int index, double value)
       native "ExternalFloat64Array_setIndexed";
 }
 
 
 class _ByteArrayIterator<E> implements Iterator<E> {
   _ByteArrayIterator(List array)
     : _array = array, _length = array.length, _pos = 0 {
     assert(array is _ByteArrayBase || array is _ByteArrayViewBase);
   }
 
@@ skipping 894 matching lines @@
     }
     _rangeCheck(this.length, start, length);
     return _array.subByteArray(_offset + start, length);
   }
 
   static final int _BYTES_PER_ELEMENT = 8;
   final ByteArray _array;
   final int _offset;
   final int _length;
 }