Issue 25945. Include static/propagateInvokeType for MethodInvocation names into hover.

pkg/analysis_server/lib/src/computer/computer_hover.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.hover;
 
 import 'package:analysis_server/plugin/protocol/protocol.dart'
     show HoverInformation;
 import 'package:analysis_server/src/computer/computer_overrides.dart';
 import 'package:analysis_server/src/utilities/documentation.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/dart/ast/utilities.dart';
 
 /**
  * A computer for the hover at the specified offset of a Dart [CompilationUnit].
  */
 class DartUnitHoverComputer {
   final CompilationUnit _unit;
   final int _offset;
 
   DartUnitHoverComputer(this._unit, this._offset);
@@ skipping 46 matching lines @@
             hover.containingLibraryName = library.name;
             hover.containingLibraryPath = library.source.fullName;
           }
         }
         // documentation
         hover.dartdoc = _computeDocumentation(element);
       }
       // parameter
       hover.parameter = _safeToString(expression.bestParameterElement);
       // types
-      if (element == null || element is VariableElement) {
-        hover.staticType = _safeToString(expression.staticType);
+      {
+        AstNode parent = expression.parent;
+        DartType staticType = null;
+        DartType propagatedType = expression.propagatedType;
+        if (element == null || element is VariableElement) {
+          staticType = expression.staticType;
+        }
+        if (parent is MethodInvocation && parent.methodName == expression) {
+          staticType = parent.staticInvokeType;
+          propagatedType = parent.propagatedInvokeType;
+          if (staticType != null && staticType.isDynamic) {
+            staticType = null;
+          }
+          if (propagatedType != null && propagatedType.isDynamic) {
+            propagatedType = null;
+          }
+        }
+        hover.staticType = _safeToString(staticType);
+        hover.propagatedType = _safeToString(propagatedType);
       }
-      hover.propagatedType = _safeToString(expression.propagatedType);
       // done
       return hover;
     }
     // not an expression
     return null;
   }
 
   String _computeDocumentation(Element element) {
     if (element is ParameterElement) {
       element = element.enclosingElement;
@@ skipping 12 matching lines @@
         Element interfaceClass = superElement.enclosingElement;
         return removeDartDocDelimiters(rawDoc) +
             '\n\nCopied from `${interfaceClass.displayName}`.';
       }
     }
     return null;
   }
 
   static _safeToString(obj) => obj != null ? obj.toString() : null;
 }