tweak FunctionTypeImpl to support generic methods

pkg/analyzer/lib/src/task/dart.dart

 // Copyright (c) 2015, 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.src.task.dart;
 
 import 'dart:collection';
 
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 3241 matching lines @@
     Source source = getRequiredSource();
     LineInfo lineInfo = getRequiredInput(LINE_INFO_INPUT_NAME);
     int modificationTime = getRequiredInput(MODIFICATION_TIME_INPUT_NAME);
     Token tokenStream = getRequiredInput(TOKEN_STREAM_INPUT_NAME);
 
     RecordingErrorListener errorListener = new RecordingErrorListener();
     Parser parser = new Parser(source, errorListener);
     AnalysisOptions options = context.analysisOptions;
     parser.parseFunctionBodies = options.analyzeFunctionBodiesPredicate(source);
     parser.parseGenericMethods = options.enableGenericMethods;
+    parser.parseGenericMethodComments = options.strongMode;
     CompilationUnit unit = parser.parseCompilationUnit(tokenStream);
     unit.lineInfo = lineInfo;
 
     bool hasNonPartOfDirective = false;
     bool hasPartOfDirective = false;
     HashSet<Source> explicitlyImportedSourceSet = new HashSet<Source>();
     HashSet<Source> exportedSourceSet = new HashSet<Source>();
     HashSet<Source> includedSourceSet = new HashSet<Source>();
     for (Directive directive in unit.directives) {
       if (directive is PartOfDirective) {
@@ skipping 1158 matching lines @@
             'Cannot scan scripts with multiple fragments');
       }
       ScriptFragment fragment = fragments[0];
 
       Scanner scanner = new Scanner(
           source,
           new SubSequenceReader(fragment.content, fragment.offset),
           errorListener);
       scanner.setSourceStart(fragment.line, fragment.column);
       scanner.preserveComments = context.analysisOptions.preserveComments;
+      scanner.scanGenericMethodComments = context.analysisOptions.strongMode;
 
       outputs[TOKEN_STREAM] = scanner.tokenize();
       outputs[LINE_INFO] = new LineInfo(scanner.lineStarts);
       outputs[SCAN_ERRORS] = removeDuplicateErrors(errorListener.errors);
     } else if (target is Source) {
       String content = getRequiredInput(CONTENT_INPUT_NAME);
 
       Scanner scanner =
           new Scanner(source, new CharSequenceReader(content), errorListener);
       scanner.preserveComments = context.analysisOptions.preserveComments;
+      scanner.scanGenericMethodComments = context.analysisOptions.strongMode;
 
       outputs[TOKEN_STREAM] = scanner.tokenize();
       outputs[LINE_INFO] = new LineInfo(scanner.lineStarts);
       outputs[SCAN_ERRORS] = removeDuplicateErrors(errorListener.errors);
     } else {
       throw new AnalysisException(
           'Cannot scan Dart code from a ${target.runtimeType}');
     }
   }
 
@@ skipping 323 matching lines @@
 
   @override
   bool moveNext() {
     if (_newSources.isEmpty) {
       return false;
     }
     currentTarget = _newSources.removeLast();
     return true;
   }
 }