remove fasta <--> analyzer token translation

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/ast/token.dart' as analyzer;
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/fasta/ast_builder.dart';
 import 'package:analyzer/src/fasta/element_store.dart';
@@ skipping 211 matching lines @@
         .test_parseInstanceCreationExpression_type_named_typeArgumentComments();
   }
 
   @override
   @failingTest
   void test_parseInstanceCreationExpression_type_typeArguments_nullable() {
     super.test_parseInstanceCreationExpression_type_typeArguments_nullable();
   }
 
   @override
-  @failingTest
   void test_parseListLiteral_empty_oneToken_withComment() {
     super.test_parseListLiteral_empty_oneToken_withComment();
   }
 
   @override
   @failingTest
   void test_parsePrimaryExpression_super() {
     super.test_parsePrimaryExpression_super();
   }
 
@@ skipping 23 matching lines @@
 }
 
 /**
  * Implementation of [AbstractParserTestCase] specialized for testing the
  * Fasta parser.
  */
 class FastaParserTestCase extends Object
     with ParserTestHelpers
     implements AbstractParserTestCase {
   ParserProxy _parserProxy;
+  analyzer.Token _fastaTokens;
 
   /**
    * Whether generic method comments should be enabled for the test.
    */
   bool enableGenericMethodComments = false;
 
   @override
   set enableAssertInitializer(bool value) {
     if (value == true) {
       // TODO(paulberry,ahe): it looks like asserts in initializer lists are not
@@ skipping 39 matching lines @@
 
   @override
   void assertNoErrors() {
     // TODO(paulberry): implement assertNoErrors
   }
 
   @override
   void createParser(String content) {
     var scanner = new StringScanner(content, includeComments: true);
     scanner.scanGenericMethodComments = enableGenericMethodComments;
-    _parserProxy = new ParserProxy(scanner.tokenize(),
+    _fastaTokens = scanner.tokenize();
+    _parserProxy = new ParserProxy(_fastaTokens,
         enableGenericMethodComments: enableGenericMethodComments);
   }
 
   @override
   Expression parseAdditiveExpression(String code) {
     return _parseExpression(code);
   }
 
   @override
   Expression parseAssignableExpression(String code, bool primaryAllowed) {
@@ skipping 123 matching lines @@
                   token,
                   inFunctionType
                       ? fasta.MemberKind.GeneralizedFunctionType
                       : fasta.MemberKind.NonStaticMethod);
             },
         errorCodes) as FormalParameterList;
   }
 
   @override
   CompilationUnitMember parseFullCompilationUnitMember() {
-    return _parserProxy._run((parser) => parser.parseTopLevelDeclaration)
-        as CompilationUnitMember;
+    return _parserProxy._run((parser) => parser.parseTopLevelDeclaration);
   }
 
   @override
   Directive parseFullDirective() {
-    return _parserProxy._run((parser) => parser.parseTopLevelDeclaration)
-        as Directive;
+    return _parserProxy._run((parser) => parser.parseTopLevelDeclaration);
   }
 
   @override
   FunctionExpression parseFunctionExpression(String code) {
     return _parseExpression(code);
   }
 
   @override
   InstanceCreationExpression parseInstanceCreationExpression(
       String code, analyzer.Token newToken) {
@@ skipping 457 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();
   }
 }