Mirrors overhaul.

dart/pkg/serialization/lib/src/basic_rule.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.
 
 part of serialization;
 
 // TODO(alanknight): Figure out how to reasonably separate out the things
 // that require reflection without making the API more awkward. Or if that is
 // in fact necessary. Maybe the tree-shaking will just remove it if unused.
 
@@ skipping 556 matching lines @@
    * that are listed in the constructor fields.
    */
   void figureOutFields() {
     Iterable names(Iterable<DeclarationMirror> mirrors) =>
         mirrors.map((each) => each.simpleName).toList();
 
     if (!_shouldFigureOutFields || !regularFields().isEmpty) return;
     var fields = publicFields(mirror);
     var getters = publicGetters(mirror);
     var gettersWithSetters = getters.where( (each)
-        => mirror.setters[
+        => mirror.declarations[
             new Symbol("${MirrorSystem.getName(each.simpleName)}=")] != null);
     var gettersThatMatchConstructor = getters.where((each)
         => (named(each.simpleName) != null) &&
             (named(each.simpleName).usedInConstructor)).toList();
     addAllNotExplicitlyExcluded(names(fields));
     addAllNotExplicitlyExcluded(names(gettersWithSetters));
     addAllNotExplicitlyExcluded(names(gettersThatMatchConstructor));
   }
 
   toString() => "FieldList($contents)";
@@ skipping 35 matching lines @@
   }
 
   /**
    * Find the field values in [state] and pass them to the constructor.
    * If any of [fieldNumbers] is not an int, then use it as a literal value.
    */
   constructFrom(state, Reader r) {
     // TODO(alanknight): Handle named parameters
     Iterable inflated = fieldNumbers.map(
         (x) => (x is int) ? r.inflateReference(state[x]) : x);
-    var result;
-    try {
-      result = type.newInstance(nameSymbol, inflated.toList());
-    } on MirroredError catch (e) {
-      // Mirrored "compile-time" errors do not get treated as exceptions
-      // in the debugger, so explicitly re-throw. Issue dartbug.com/10054.
-      throw e;
-    }
-    return result;
+    return type.newInstance(nameSymbol, inflated.toList());
   }
 }
 
 /**
  * This wraps a map to make it indexable by integer field numbers. It translates
  * from the index into a field name and then looks it up in the map.
  */
 class _MapWrapper {
   final Map _map;
   final List fieldList;
@@ skipping 18 matching lines @@
   if (value is String) {
     try {
       return new Symbol(value);
     } on ArgumentError {
       return null;
     };
   } else {
     return null;
   }
 }