[fasta] Add and correct offsets on nodes

pkg/front_end/lib/src/fasta/kernel/builder_accessors.dart

 // Copyright (c) 2016, 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.
 
 library fasta.builder_accessors;
 
 export 'frontend_accessors.dart' show wrapInvalid;
 
 import 'frontend_accessors.dart' show Accessor;
 
@@ skipping 78 matching lines @@
     return throwNoSuchMethodError(plainNameForWrite,
         new Arguments(<Expression>[value]), uri, charOffset, coreTypes,
         isSetter: true);
   }
 
   TreeNode doInvocation(int charOffset, Arguments arguments);
 
   buildPropertyAccess(IncompleteSend send, bool isNullAware) {
     if (send is SendAccessor) {
       return buildMethodInvocation(
-          buildSimpleRead(), send.name, send.arguments, charOffset,
+          buildSimpleRead(), send.name, send.arguments, send.charOffset,
           isNullAware: isNullAware);
     } else {
-      return PropertyAccessor.make(helper, charOffset, buildSimpleRead(),
+      return PropertyAccessor.make(helper, send.charOffset, buildSimpleRead(),
           send.name, null, null, isNullAware);
     }
   }
 
   Expression buildThrowNoSuchMethodError(Arguments arguments) {
     bool isGetter = false;
     if (arguments == null) {
       arguments = new Arguments.empty();
       isGetter = true;
     }
@@ skipping 399 matching lines @@
     } else {
       return new IndexAccessor.internal(
           helper, charOffset, receiver, index, getter, setter);
     }
   }
 }
 
 class PropertyAccessor extends kernel.PropertyAccessor with BuilderAccessor {
   final BuilderHelper helper;
 
-  final int charOffset;
-
-  PropertyAccessor.internal(this.helper, this.charOffset, Expression receiver,
+  PropertyAccessor.internal(this.helper, int charOffset, Expression receiver,
       Name name, Member getter, Member setter)
-      : super.internal(receiver, name, getter, setter);
+      : super.internal(receiver, name, getter, setter, charOffset);
 
   String get plainNameForRead => name.name;
 
   bool get isThisPropertyAccessor => receiver is ThisExpression;
 
   Expression doInvocation(int charOffset, Arguments arguments) {
     return buildMethodInvocation(receiver, name, arguments, charOffset);
   }
 
   toString() => "PropertyAccessor()";
@@ skipping 155 matching lines @@
   Expression doInvocation(int charOffset, Arguments arguments) {
     return internalError("Not implemented yet.");
   }
 
   toString() => "NullAwarePropertyAccessor()";
 }
 
 class VariableAccessor extends kernel.VariableAccessor with BuilderAccessor {
   final BuilderHelper helper;
 
-  final int charOffset;
-
-  VariableAccessor(this.helper, this.charOffset, VariableDeclaration variable,
+  VariableAccessor(this.helper, int charOffset, VariableDeclaration variable,
       [DartType promotedType])
-      : super.internal(variable, promotedType);
+      : super.internal(variable, charOffset, promotedType);
 
   String get plainNameForRead => variable.name;
 
   Expression doInvocation(int charOffset, Arguments arguments) {
     return buildMethodInvocation(
         buildSimpleRead(), new Name("call"), arguments, charOffset);
   }
 
   toString() => "VariableAccessor()";
 }
@@ skipping 32 matching lines @@
             buildIsNull(new VariableGet(variable)),
             new NullLiteral(),
             new MethodInvocation(new VariableGet(variable), name, arguments)
               ..fileOffset = charOffset,
             const DynamicType()));
   } else {
     return new MethodInvocation(receiver, name, arguments)
       ..fileOffset = charOffset;
   }
 }