Parse FunctionExpressionInvocation with Fasta.

pkg/front_end/lib/src/fasta/analyzer/ast_builder.dart

 // Copyright (c) 2016, 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 fasta.analyzer.ast_builder;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast_factory.dart' show AstFactory;
 import 'package:analyzer/dart/ast/standard_ast_factory.dart' as standard;
 import 'package:analyzer/dart/ast/token.dart' as analyzer show Token;
@@ skipping 149 matching lines @@
       }
       push(identifier);
     }
   }
 
   void endSend(Token token) {
     debugEvent("Send");
     MethodInvocation arguments = pop();
     TypeArgumentList typeArguments = pop();
     if (arguments != null) {
-      if (typeArguments != null) {
-        arguments.typeArguments = typeArguments;
-      }
-      doInvocation(token, arguments);
+      doInvocation(token, typeArguments, arguments);
     } else {
       doPropertyGet(token);
     }
   }
 
-  void doInvocation(Token token, MethodInvocation arguments) {
+  void doInvocation(
+      Token token, TypeArgumentList typeArguments, MethodInvocation arguments) {
     Expression receiver = pop();
     if (receiver is SimpleIdentifier) {
       arguments.methodName = receiver;
+      if (typeArguments != null) {
+        arguments.typeArguments = typeArguments;
+      }
       push(arguments);
     } else {
-      internalError("Unhandled receiver in send: ${receiver.runtimeType}");
+      push(ast.functionExpressionInvocation(
+          receiver, typeArguments, arguments.argumentList));
     }
   }
 
   void doPropertyGet(Token token) {}
 
   void endExpressionStatement(Token token) {
     debugEvent("ExpressionStatement");
     push(ast.expressionStatement(pop(), toAnalyzerToken(token)));
   }
 
@@ skipping 971 matching lines @@
       } else {
         // TODO(scheglov): Report error.
         internalError("Invalid modifier ($value). Report an error.");
       }
     }
 
     List<Annotation> metadata = pop();
     // TODO(paulberry): capture doc comments.  See dartbug.com/28851.
     Comment comment = null;
     Token period;
-    void unnamedConstructor(SimpleIdentifier returnType, SimpleIdentifier name) {
+    void unnamedConstructor(
+        SimpleIdentifier returnType, SimpleIdentifier name) {
       push(ast.constructorDeclaration(
           comment,
           metadata,
           toAnalyzerToken(externalKeyword),
           toAnalyzerToken(constKeyword),
           toAnalyzerToken(factoryKeyword),
           returnType,
           toAnalyzerToken(period),
           name,
           parameters,
@@ skipping 209 matching lines @@
 }
 
 /// Data structure placed on the stack to represent the keyword "operator"
 /// followed by a token.
 class _OperatorName {
   final Token operatorKeyword;
   final SimpleIdentifier name;
 
   _OperatorName(this.operatorKeyword, this.name);
 }