Add AstBuilder support for TypeArguments.

pkg/analyzer/test/generated/parser_fasta_test.dart

 // Copyright (c) 2017, 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.
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/generated/parser.dart' as analyzer;
 import 'package:analyzer/src/generated/utilities_dart.dart';
 import 'package:front_end/src/fasta/analyzer/ast_builder.dart';
@@ skipping 446 matching lines @@
   @override
   @failingTest
   void test_parseFormalParameter_covariant_type_named() {
     // TODO(scheglov): Unhandled event: ValuedFormalParameter
     super.test_parseFormalParameter_covariant_type_named();
   }
 
   @override
   @failingTest
   void test_parseFormalParameter_covariant_type_normal() {
-    // TODO(scheglov): Unhandled event: TypeArguments
+    // TODO(paulberry): Covariant keyword is not yet supported.
     super.test_parseFormalParameter_covariant_type_normal();
   }
 
   @override
   @failingTest
   void test_parseFormalParameter_covariant_type_positional() {
     // TODO(scheglov): Unhandled event: ValuedFormalParameter
     super.test_parseFormalParameter_covariant_type_positional();
   }
 
@@ skipping 501 matching lines @@
   @override
   @failingTest
   void test_parseCompilationUnit_exportAsPrefix() {
     // TODO(paulberry): As of commit 5de9108 this syntax is invalid.
     super.test_parseCompilationUnit_exportAsPrefix();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_exportAsPrefix_parameterized() {
-    // TODO(paulberry): Unhandled event: TypeArguments
+    // TODO(paulberry): As of commit 5de9108 this syntax is invalid.

[ahe, 2017/02/23 16:23:48]

FWIW, I believe that it is important that we're actually lenient in these cases.
That's the best strategy for error recovery.

     super.test_parseCompilationUnit_exportAsPrefix_parameterized();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_operatorAsPrefix_parameterized() {
     // TODO(paulberry): Unhandled event: ConstructorReference
     super.test_parseCompilationUnit_operatorAsPrefix_parameterized();
   }
 
@@ skipping 21 matching lines @@
   @override
   @failingTest
   void
       test_parseCompilationUnitMember_function_generic_noReturnType_annotated() {
     // TODO(paulberry,ahe): Fasta doesn't appear to support annotated type
     // parameters.
     super
         .test_parseCompilationUnitMember_function_generic_noReturnType_annotated();
   }
 
-  @override
-  @failingTest
-  void test_parseCompilationUnitMember_typeAlias_generic() {
-    // TODO(paulberry): Unhandled event: TypeArguments
-    super.test_parseCompilationUnitMember_typeAlias_generic();
-  }
-
   void test_parseCompilationUnitMember_typedef() {
     // TODO(paulberry): Unhandled event: FunctionTypeAlias
     super.test_parseCompilationUnitMember_typedef();
   }
 
   @override
   @failingTest
   void test_parseDirectives_complete() {
     // TODO(paulberry,ahe): Fasta doesn't support script tags yet.
     super.test_parseDirectives_complete();
@@ skipping 72 matching lines @@
   @override
   @failingTest
   void test_parsePartOfDirective_uri() {
     // TODO(paulberry,ahe): URIs in "part of" declarations are not supported by
     // Fasta.
     super.test_parsePartOfDirective_uri();
   }
 
   @override
   @failingTest
-  void test_parseTypeAlias_function_parameterizedReturnType() {
-    // TODO(paulberry): Unhandled event: TypeArguments
-    super.test_parseTypeAlias_function_parameterizedReturnType();
-  }
-
-  @override
-  @failingTest
   void test_parseTypeAlias_genericFunction_noParameters() {
     super.test_parseTypeAlias_genericFunction_noParameters();
   }
 
   @override
   @failingTest
   void test_parseTypeAlias_genericFunction_noReturnType() {
     super.test_parseTypeAlias_genericFunction_noReturnType();
   }
 
@@ skipping 52 matching lines @@
   void test_parseTypeAlias_genericFunction_typeParameters_voidReturnType() {
     super.test_parseTypeAlias_genericFunction_typeParameters_voidReturnType();
   }
 
   @override
   @failingTest
   void test_parseTypeAlias_genericFunction_voidReturnType() {
     super.test_parseTypeAlias_genericFunction_voidReturnType();
   }
 }