initial generic method comment parsing

pkg/analyzer/test/generated/scanner_test.dart

Index: pkg/analyzer/test/generated/scanner_test.dart
diff --git a/pkg/analyzer/test/generated/scanner_test.dart b/pkg/analyzer/test/generated/scanner_test.dart
index 119d4aa1202328f23994342815051eb0d1ccf971..a0c73558c6307b58c8188699fb59371ab104e72f 100644
--- a/pkg/analyzer/test/generated/scanner_test.dart
+++ b/pkg/analyzer/test/generated/scanner_test.dart
@@ -264,6 +264,18 @@ class ScannerTest {
     expect(token.precedingComments, isNull);
   }
 
+  void test_comment_generic_method_type_assign() {
+    _assertComment(TokenType.MULTI_LINE_COMMENT, "/*=comment*/");
+    _assertComment(TokenType.GENERIC_METHOD_TYPE_ASSIGN, "/*=comment*/",
+        genericMethodComments: true);
+  }
+
+  void test_comment_generic_method_type_list() {
+    _assertComment(TokenType.MULTI_LINE_COMMENT, "/*<comment>*/");
+    _assertComment(TokenType.GENERIC_METHOD_TYPE_LIST, "/*<comment>*/",
+        genericMethodComments: true);
+  }
+
   void test_comment_multi() {
     _assertComment(TokenType.MULTI_LINE_COMMENT, "/* comment */");
   }
@@ -1048,11 +1060,12 @@ class ScannerTest {
     _scanWithListener("'\${(}'", listener);
   }
 
-  void _assertComment(TokenType commentType, String source) {
+  void _assertComment(TokenType commentType, String source,
+      {bool genericMethodComments: false}) {
     //
     // Test without a trailing end-of-line marker
     //
-    Token token = _scan(source);
+    Token token = _scan(source, genericMethodComments: genericMethodComments);
     expect(token, isNotNull);
     expect(token.type, TokenType.EOF);
     Token comment = token.precedingComments;
@@ -1064,7 +1077,7 @@ class ScannerTest {
     //
     // Test with a trailing end-of-line marker
     //
-    token = _scan("$source\n");
+    token = _scan("$source\n", genericMethodComments: genericMethodComments);
     expect(token, isNotNull);
     expect(token.type, TokenType.EOF);
     comment = token.precedingComments;
@@ -1233,16 +1246,21 @@ class ScannerTest {
     expect(token.type, TokenType.EOF);
   }
 
-  Token _scan(String source) {
+  Token _scan(String source, {bool genericMethodComments: false}) {
     GatheringErrorListener listener = new GatheringErrorListener();
-    Token token = _scanWithListener(source, listener);
+    Token token = _scanWithListener(source, listener,
+        genericMethodComments: genericMethodComments);
     listener.assertNoErrors();
     return token;
   }
 
-  Token _scanWithListener(String source, GatheringErrorListener listener) {
+  Token _scanWithListener(String source, GatheringErrorListener listener,
+      {bool genericMethodComments: false}) {
     Scanner scanner =
         new Scanner(null, new CharSequenceReader(source), listener);
+    if (genericMethodComments) {
+      scanner.scanGenericMethodComments = true;
+    }
     Token result = scanner.tokenize();
     listener.setLineInfo(new TestSource(), scanner.lineStarts);
     return result;