fixes #52, fields shadowing getters/setters or other fields

lib/runtime/dart/_native_typed_data.js

Index: lib/runtime/dart/_native_typed_data.js
diff --git a/lib/runtime/dart/_native_typed_data.js b/lib/runtime/dart/_native_typed_data.js
index 4c9290b64c65b270c06640e4ccf0274e0203fb17..85c8463a6168dd59200ef21104dce245dccb07fc 100644
--- a/lib/runtime/dart/_native_typed_data.js
+++ b/lib/runtime/dart/_native_typed_data.js
@@ -1,10 +1,14 @@
 var _native_typed_data;
 (function(exports) {
   'use strict';
+  let lengthInBytes = Symbol('lengthInBytes');
   let _externalStorage = Symbol('_externalStorage');
   class NativeByteBuffer extends core.Object {
     NativeByteBuffer() {
-      this.lengthInBytes = null;
+      this[lengthInBytes] = null;
+    }
+    get lengthInBytes() {
+      return this[lengthInBytes];
     }
     get runtimeType() {
       return typed_data.ByteBuffer;
@@ -395,12 +399,28 @@ var _native_typed_data;
   dart.defineNamedConstructor(NativeFloat64x2List, _externalStorage);
   dart.defineNamedConstructor(NativeFloat64x2List, _slowFromList);
   dart.defineNamedConstructor(NativeFloat64x2List, 'fromList');
+  let buffer = Symbol('buffer');
+  let lengthInBytes$ = Symbol('lengthInBytes');
+  let offsetInBytes = Symbol('offsetInBytes');
+  let elementSizeInBytes = Symbol('elementSizeInBytes');
   class NativeTypedData extends core.Object {
     NativeTypedData() {
-      this.buffer = null;
-      this.lengthInBytes = null;
-      this.offsetInBytes = null;
-      this.elementSizeInBytes = null;
+      this[buffer] = null;
+      this[lengthInBytes$] = null;
+      this[offsetInBytes] = null;
+      this[elementSizeInBytes] = null;
+    }
+    get buffer() {
+      return this[buffer];
+    }
+    get lengthInBytes() {
+      return this[lengthInBytes$];
+    }
+    get offsetInBytes() {
+      return this[offsetInBytes];
+    }
+    get elementSizeInBytes() {
+      return this[elementSizeInBytes];
     }
     [_invalidIndex](index, length) {
       if (dart.notNull(index) < 0 || dart.notNull(index) >= dart.notNull(length)) {
@@ -980,20 +1000,36 @@ var _native_typed_data;
   NativeUint8List[dart.implements] = () => [typed_data.Uint8List];
   dart.defineNamedConstructor(NativeUint8List, 'fromList');
   dart.defineNamedConstructor(NativeUint8List, 'view');
+  let x$ = Symbol('x');
+  let y$ = Symbol('y');
+  let z$ = Symbol('z');
+  let w$ = Symbol('w');
   let _truncate = Symbol('_truncate');
   let _list = Symbol('_list');
   let _uint32view = Symbol('_uint32view');
   let _doubles = Symbol('_doubles');
   class NativeFloat32x4 extends core.Object {
+    get x() {
+      return this[x$];
+    }
+    get y() {
+      return this[y$];
+    }
+    get z() {
+      return this[z$];
+    }
+    get w() {
+      return this[w$];
+    }
     static [_truncate](x) {
       NativeFloat32x4[_list][core.$set](0, dart.as(x, core.num));
       return NativeFloat32x4[_list][core.$get](0);
     }
     NativeFloat32x4(x, y, z, w) {
-      this.x = dart.as(NativeFloat32x4[_truncate](x), core.double);
-      this.y = dart.as(NativeFloat32x4[_truncate](y), core.double);
-      this.z = dart.as(NativeFloat32x4[_truncate](z), core.double);
-      this.w = dart.as(NativeFloat32x4[_truncate](w), core.double);
+      this[x$] = dart.as(NativeFloat32x4[_truncate](x), core.double);
+      this[y$] = dart.as(NativeFloat32x4[_truncate](y), core.double);
+      this[z$] = dart.as(NativeFloat32x4[_truncate](z), core.double);
+      this[w$] = dart.as(NativeFloat32x4[_truncate](w), core.double);
       if (!dart.is(x, core.num))
         throw new core.ArgumentError(x);
       if (!dart.is(y, core.num))
@@ -1020,16 +1056,16 @@ var _native_typed_data;
       this[_truncated](dart.as(NativeFloat32x4[_truncate](v.x), core.double), dart.as(NativeFloat32x4[_truncate](v.y), core.double), 0.0, 0.0);
     }
     [_doubles](x, y, z, w) {
-      this.x = dart.as(NativeFloat32x4[_truncate](x), core.double);
-      this.y = dart.as(NativeFloat32x4[_truncate](y), core.double);
-      this.z = dart.as(NativeFloat32x4[_truncate](z), core.double);
-      this.w = dart.as(NativeFloat32x4[_truncate](w), core.double);
+      this[x$] = dart.as(NativeFloat32x4[_truncate](x), core.double);
+      this[y$] = dart.as(NativeFloat32x4[_truncate](y), core.double);
+      this[z$] = dart.as(NativeFloat32x4[_truncate](z), core.double);
+      this[w$] = dart.as(NativeFloat32x4[_truncate](w), core.double);
     }
     [_truncated](x, y, z, w) {
-      this.x = x;
-      this.y = y;
-      this.z = z;
-      this.w = w;
+      this[x$] = x;
+      this[y$] = y;
+      this[z$] = z;
+      this[w$] = w;
     }
     toString() {
       return `[${this.x}, ${this.y}, ${this.z}, ${this.w}]`;
@@ -1252,16 +1288,32 @@ var _native_typed_data;
       return NativeFloat32x4[_list].buffer.asUint32List();
     }
   });
+  let x$0 = Symbol('x');
+  let y$0 = Symbol('y');
+  let z$0 = Symbol('z');
+  let w$0 = Symbol('w');
   class NativeInt32x4 extends core.Object {
+    get x() {
+      return this[x$0];
+    }
+    get y() {
+      return this[y$0];
+    }
+    get z() {
+      return this[z$0];
+    }
+    get w() {
+      return this[w$0];
+    }
     static [_truncate](x) {
       NativeInt32x4[_list][core.$set](0, dart.as(x, core.int));
       return NativeInt32x4[_list][core.$get](0);
     }
     NativeInt32x4(x, y, z, w) {
-      this.x = dart.as(NativeInt32x4[_truncate](x), core.int);
-      this.y = dart.as(NativeInt32x4[_truncate](y), core.int);
-      this.z = dart.as(NativeInt32x4[_truncate](z), core.int);
-      this.w = dart.as(NativeInt32x4[_truncate](w), core.int);
+      this[x$0] = dart.as(NativeInt32x4[_truncate](x), core.int);
+      this[y$0] = dart.as(NativeInt32x4[_truncate](y), core.int);
+      this[z$0] = dart.as(NativeInt32x4[_truncate](z), core.int);
+      this[w$0] = dart.as(NativeInt32x4[_truncate](w), core.int);
       if (x != this.x && !(typeof x == 'number'))
         throw new core.ArgumentError(x);
       if (y != this.y && !(typeof y == 'number'))
@@ -1272,10 +1324,10 @@ var _native_typed_data;
         throw new core.ArgumentError(w);
     }
     bool(x, y, z, w) {
-      this.x = x ? -1 : 0;
-      this.y = y ? -1 : 0;
-      this.z = z ? -1 : 0;
-      this.w = w ? -1 : 0;
+      this[x$0] = x ? -1 : 0;
+      this[y$0] = y ? -1 : 0;
+      this[z$0] = z ? -1 : 0;
+      this[w$0] = w ? -1 : 0;
     }
     fromFloat32x4Bits(f) {
       let floatList = NativeFloat32x4[_list];
@@ -1287,10 +1339,10 @@ var _native_typed_data;
       return new NativeInt32x4[_truncated](view[core.$get](0), view[core.$get](1), view[core.$get](2), view[core.$get](3));
     }
     [_truncated](x, y, z, w) {
-      this.x = x;
-      this.y = y;
-      this.z = z;
-      this.w = w;
+      this[x$0] = x;
+      this[y$0] = y;
+      this[z$0] = z;
+      this[w$0] = w;
     }
     toString() {
       return `[${this.x}, ${this.y}, ${this.z}, ${this.w}]`;
@@ -1435,11 +1487,19 @@ var _native_typed_data;
       return new NativeInt32List(4);
     }
   });
+  let x$1 = Symbol('x');
+  let y$1 = Symbol('y');
   let _uint32View = Symbol('_uint32View');
   class NativeFloat64x2 extends core.Object {
+    get x() {
+      return this[x$1];
+    }
+    get y() {
+      return this[y$1];
+    }
     NativeFloat64x2(x, y) {
-      this.x = x;
-      this.y = y;
+      this[x$1] = x;
+      this[y$1] = y;
       if (!dart.is(this.x, core.num))
         throw new core.ArgumentError(this.x);
       if (!dart.is(this.y, core.num))
@@ -1455,8 +1515,8 @@ var _native_typed_data;
       this.NativeFloat64x2(v.x, v.y);
     }
     [_doubles](x, y) {
-      this.x = x;
-      this.y = y;
+      this[x$1] = x;
+      this[y$1] = y;
     }
     toString() {
       return `[${this.x}, ${this.y}]`;