Set hasImplicitReturnType for variable initializer functions.

pkg/analyzer/test/generated/all_the_rest_test.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 analyzer.test.generated.all_the_rest_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
@@ skipping 1010 matching lines @@
             AstFactory.simpleFormalParameter3(parameterName),
             AstFactory.integer(0));
     formalParameter.accept(builder);
 
     List<ParameterElement> parameters = holder.parameters;
     expect(parameters, hasLength(1));
     ParameterElement parameter = parameters[0];
     expect(parameter.hasImplicitType, isTrue);
     expect(parameter.initializer, isNotNull);
     expect(parameter.initializer.type, isNotNull);
+    expect(parameter.initializer.hasImplicitReturnType, isTrue);
     expect(parameter.isConst, isFalse);
     expect(parameter.isDeprecated, isFalse);
     expect(parameter.isFinal, isFalse);
     expect(parameter.isInitializingFormal, isFalse);
     expect(parameter.isOverride, isFalse);
     expect(parameter.isPrivate, isFalse);
     expect(parameter.isPublic, isTrue);
     expect(parameter.isSynthetic, isFalse);
     expect(parameter.name, parameterName);
   }
 
   void test_visitDefaultFormalParameter_type() {
     // E p = 0
     ElementHolder holder = new ElementHolder();
     ElementBuilder builder = _makeBuilder(holder);
     String parameterName = 'p';
     DefaultFormalParameter formalParameter = AstFactory.namedFormalParameter(
         AstFactory.simpleFormalParameter4(
             AstFactory.typeName4('E'), parameterName),
         AstFactory.integer(0));
     formalParameter.accept(builder);
 
     List<ParameterElement> parameters = holder.parameters;
     expect(parameters, hasLength(1));
     ParameterElement parameter = parameters[0];
     expect(parameter.hasImplicitType, isFalse);
     expect(parameter.initializer, isNotNull);
     expect(parameter.initializer.type, isNotNull);
+    expect(parameter.initializer.hasImplicitReturnType, isTrue);
     expect(parameter.isConst, isFalse);
     expect(parameter.isDeprecated, isFalse);
     expect(parameter.isFinal, isFalse);
     expect(parameter.isInitializingFormal, isFalse);
     expect(parameter.isOverride, isFalse);
     expect(parameter.isPrivate, isFalse);
     expect(parameter.isPublic, isTrue);
     expect(parameter.isSynthetic, isFalse);
     expect(parameter.name, parameterName);
   }
@@ skipping 899 matching lines @@
     expect(parameter.parameterKind, ParameterKind.NAMED);
     {
       SourceRange visibleRange = parameter.visibleRange;
       expect(100, visibleRange.offset);
       expect(110, visibleRange.end);
     }
     expect(parameter.defaultValueCode, "42");
     FunctionElement initializer = parameter.initializer;
     expect(initializer, isNotNull);
     expect(initializer.isSynthetic, isTrue);
+    expect(initializer.hasImplicitReturnType, isTrue);
   }
 
   void test_visitSimpleFormalParameter_noType() {
     // p
     ElementHolder holder = new ElementHolder();
     ElementBuilder builder = _makeBuilder(holder);
     String parameterName = "p";
     SimpleFormalParameter formalParameter =
         AstFactory.simpleFormalParameter3(parameterName);
     _useParameterInMethod(formalParameter, 100, 110);
@@ skipping 214 matching lines @@
     FieldDeclaration fieldDeclaration =
         AstFactory.fieldDeclaration2(false, null, [field]);
     fieldDeclaration.accept(builder);
 
     List<FieldElement> variables = holder.fields;
     expect(variables, hasLength(1));
     FieldElement fieldElement = variables[0];
     expect(fieldElement, isNotNull);
     FunctionElement initializerElement = fieldElement.initializer;
     expect(initializerElement, isNotNull);
+    expect(initializerElement.hasImplicitReturnType, isTrue);
     List<FunctionElement> functionElements = initializerElement.functions;
     expect(functionElements, hasLength(1));
     List<LocalVariableElement> variableElements =
         functionElements[0].localVariables;
     expect(variableElements, hasLength(1));
     LocalVariableElement variableElement = variableElements[0];
     expect(variableElement.hasImplicitType, isTrue);
     expect(variableElement.isConst, isFalse);
     expect(variableElement.isFinal, isFalse);
     expect(variableElement.isSynthetic, isFalse);
@@ skipping 33 matching lines @@
         AstFactory.variableDeclaration2(variableName, AstFactory.integer(42));
     AstFactory.variableDeclarationList2(Keyword.CONST, [variableDeclaration]);
     variableDeclaration.accept(builder);
 
     List<TopLevelVariableElement> variables = holder.topLevelVariables;
     expect(variables, hasLength(1));
     TopLevelVariableElement variable = variables[0];
     expect(variable, new isInstanceOf<ConstTopLevelVariableElementImpl>());
     expect(variable.initializer, isNotNull);
     expect(variable.initializer.type, isNotNull);
+    expect(variable.initializer.hasImplicitReturnType, isTrue);
     expect(variable.name, variableName);
     expect(variable.hasImplicitType, isTrue);
     expect(variable.isConst, isTrue);
     expect(variable.isFinal, isFalse);
     expect(variable.isSynthetic, isFalse);
     expect(variable.getter, isNotNull);
     expect(variable.setter, isNull);
   }
 
   void test_visitVariableDeclaration_top_docRange() {
@@ skipping 1824 matching lines @@
     expect(UriKind.fromEncoding(0x70), same(UriKind.PACKAGE_URI));
     expect(UriKind.fromEncoding(0x58), same(null));
   }
 
   void test_getEncoding() {
     expect(UriKind.DART_URI.encoding, 0x64);
     expect(UriKind.FILE_URI.encoding, 0x66);
     expect(UriKind.PACKAGE_URI.encoding, 0x70);
   }
 }