Implementation of the 'search.getTypeHierarchy' API.

pkg/analysis_server/lib/src/computer/element.dart

 // Copyright (c) 2014, 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 computer.element;
 
 import 'package:analysis_services/constants.dart';
 import 'package:analyzer/src/generated/element.dart' as engine;
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/utilities_dart.dart' as engine;
 
 
 /**
+ * Returns a JSON correponding to the given Engine element.
+ */
+Map<String, Object> engineElementToJson(engine.Element element) {
+  return new Element.fromEngine(element).toJson();
+}
+
+
+/**
  * Information about an element.
  */
 class Element {
   static const List<Element> EMPTY_ARRAY = const <Element>[];
 
   static const int FLAG_ABSTRACT = 0x01;
   static const int FLAG_CONST = 0x02;
   static const int FLAG_FINAL = 0x04;
   static const int FLAG_STATIC = 0x08;
   static const int FLAG_PRIVATE = 0x10;
@@ skipping 323 matching lines @@
     }
     // done
     return new Location(
         source.fullName,
         offset,
         length,
         startLine,
         startColumn);
   }
 
+  factory Location.fromJson(Map<String, Object> map) {
+    return new Location(
+        map[FILE],
+        map[OFFSET],
+        map[LENGTH],
+        map[START_LINE],
+        map[START_COLUMN]);
+  }
+
   factory Location.fromOffset(engine.Element element, int offset, int length) {
     Source source = element.source;
     LineInfo lineInfo = element.context.getLineInfo(source);
     // prepare location
     LineInfo_Location lineLocation = lineInfo.getLocation(offset);
     int startLine = lineLocation.lineNumber;
     int startColumn = lineLocation.columnNumber;
     // done
     return new Location(
         source.fullName,
         offset,
         length,
         startLine,
         startColumn);
   }
 
-  factory Location.fromJson(Map<String, Object> map) {
-    return new Location(
-        map[FILE],
-        map[OFFSET],
-        map[LENGTH],
-        map[START_LINE],
-        map[START_COLUMN]);
-  }
-
   Map<String, Object> toJson() {
     return {
       FILE: file,
       OFFSET: offset,
       LENGTH: length,
       START_LINE: startLine,
       START_COLUMN: startColumn
     };
   }
 
   @override
   String toString() {
     return 'Location(file=$file; offset=$offset; length=$length; '
         'startLine=$startLine; startColumn=$startColumn)';
   }
 }