Issue 1355. Support for call(). Tweaks for element locator and rename refactoring

compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java

 // 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.
 
 package com.google.dart.compiler.type;
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Joiner;
 import com.google.common.base.Objects;
 import com.google.common.collect.ArrayListMultimap;
@@ skipping 2145 matching lines @@
         case METHOD:
           type = typeAsMemberOf(element, currentClass);
           break;
         case NONE:
           if (!target.isResolutionAlreadyReportedThatTheMethodCouldNotBeFound()) {
             onError(target, TypeErrorCode.INTERFACE_HAS_NO_METHOD_NAMED, currentClass, target);
           }
           return dynamicType;
         default:
           type = element.getType();
+          // attempt to resolve to "call()" method invocation
+          if (type instanceof InterfaceType) {
+            InterfaceType interfaceType = (InterfaceType) type;
+            Element callElement = interfaceType.getElement().lookupLocalElement("call");
+            if (ElementKind.of(callElement) == ElementKind.METHOD) {
+              node.setElement(callElement);
+              type = typeAsMemberOf(callElement, interfaceType);
+            }
+          }
           break;
       }
       return checkInvocation(node, target, name, type);
     }
 
     private Type checkInvocation(DartInvocation node, DartNode diagnosticNode, String name,
                                  Type type) {
       List<DartExpression> argumentNodes = node.getArguments();
       List<Type> argumentTypes = Lists.newArrayListWithCapacity(argumentNodes.size());
       for (DartExpression argumentNode : argumentNodes) {
@@ skipping 542 matching lines @@
         for (VariableElement v : parameters) {
           if (v.isNamed()) {
             named.add(v);
           }
         }
         return named;
       }
     }
   }
 }