Support unary - operator.

dart/lib/compiler/implementation/scanner/class_element_parser.dart

Index: dart/lib/compiler/implementation/scanner/class_element_parser.dart
diff --git a/dart/lib/compiler/implementation/scanner/class_element_parser.dart b/dart/lib/compiler/implementation/scanner/class_element_parser.dart
index bf0c1ddc6f35765723ab3ac02ed8ad523c41da23..545688c29179752ebfd51910d1736b4624e3fba8 100644
--- a/dart/lib/compiler/implementation/scanner/class_element_parser.dart
+++ b/dart/lib/compiler/implementation/scanner/class_element_parser.dart
@@ -32,22 +32,27 @@ class PartialClassElement extends ClassElement {
     super.resolutionState = state;
   }
 
-  ClassNode parseNode(DiagnosticListener diagnosticListener) {
+  ClassNode parseNode(Compiler compiler) {
     if (cachedNode != null) return cachedNode;
-    // TODO(ahe): Measure these tasks.
-    MemberListener listener = new MemberListener(diagnosticListener, this);
-    Parser parser = new ClassElementParser(listener);
-    Token token = parser.parseTopLevelDeclaration(beginToken);
-    assert(token === endToken.next);
-    cachedNode = listener.popNode();
-    assert(listener.nodes.isEmpty());
-    if (isPatched) {
-      // TODO(lrn): Perhaps extract functionality so it doesn't need compiler.
-      Compiler compiler = diagnosticListener;
-      ClassNode patchNode = compiler.patchParser.parsePatchClassNode(patch);
-      Link<Element> patches = patch.localMembers;
-      compiler.applyContainerPatch(this, patches);
-    }
+    compiler.withCurrentElement(this, () {
+      compiler.parser.measure(() {
+        MemberListener listener = new MemberListener(compiler, this);
+        Parser parser = new ClassElementParser(listener);
+        Token token = parser.parseTopLevelDeclaration(beginToken);
+        assert(token === endToken.next);
+        cachedNode = listener.popNode();
+        assert(listener.nodes.isEmpty());
+      });
+      compiler.patchParser.measure(() {
+        if (isPatched) {
+          // TODO(lrn): Perhaps extract functionality so it doesn't
+          // need compiler.
+          ClassNode patchNode = compiler.patchParser.parsePatchClassNode(patch);
+          Link<Element> patches = patch.localMembers;
+          compiler.applyContainerPatch(this, patches);
+        }
+      });
+    });
     return cachedNode;
   }
 
@@ -114,8 +119,13 @@ class MemberListener extends NodeListener {
     if (send === null) return methodName.asIdentifier().source;
     Identifier receiver = send.receiver.asIdentifier();
     Identifier selector = send.selector.asIdentifier();
-    if (selector.asOperator() !== null) {
-      return Elements.constructOperatorName(receiver.source, selector.source);
+    Operator operator = selector.asOperator();
+    if (operator !== null) {
+      assert(receiver.source.stringValue === 'operator');
+      // TODO(ahe): It is a hack to compare to ')', but it beats
+      // parsing the node.
+      bool isUnary = operator.token.next.next.stringValue === ')';
+      return Elements.constructOperatorName(operator.source, isUnary);
     } else {
       return Elements.constructConstructorName(receiver.source,
                                                selector.source);