[GR-26781] Ruby 2.7: Comment lines can be placed between fluent dot now (#2172)

eregon · eregon · commit 758923987c73 · 2020-11-25T17:54:36.000Z
PullRequest: truffleruby/2214
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -29,6 +29,7 @@ Compatibility:
 * Updated `Dir.{glob,[]}` to raise `ArgumentError` for nul-separated strings.
 * `Kernel#lambda` with no block in a method called with a block raises an exception (#2004, @ssnickolay).
 * Implemented `BigDecimal` as C extension to improve compatibility.
+* Comment lines can be placed between fluent dot now (#2004, @ssnickolay).
 
 Performance:
 
diff --git a/spec/tags/language/comment_tags.txt b/spec/tags/language/comment_tags.txt
diff --git a/src/main/java/org/truffleruby/parser/lexer/RubyLexer.java b/src/main/java/org/truffleruby/parser/lexer/RubyLexer.java
@@ -880,6 +880,9 @@ private int yylex() {
                             case '\13': /* '\v' */
                                 spaceSeen = true;
                                 continue;
+                            case '#':
+                                pushback(c);
+                                continue loop;
                             case '&':
                             case '.': {
                                 if (peek('.') == (c == '&')) {
