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-rw-r--r--ext/ripper/lib/ripper/lexer.rb2
-rw-r--r--test/ripper/test_lexer.rb19
2 files changed, 20 insertions, 1 deletions
diff --git a/ext/ripper/lib/ripper/lexer.rb b/ext/ripper/lib/ripper/lexer.rb
index bb5908025d..22f18ff429 100644
--- a/ext/ripper/lib/ripper/lexer.rb
+++ b/ext/ripper/lib/ripper/lexer.rb
@@ -98,7 +98,7 @@ class Ripper
ignored_sp = []
heredoc = @buf.last
heredoc.each_with_index do |e, i|
- if Elem === e and e.event == :on_tstring_content
+ if Elem === e and e.event == :on_tstring_content and e.pos[1].zero?
tok = e.tok.dup if w > 0 and /\A\s/ =~ e.tok
if (n = dedent_string(e.tok, w)) > 0
if e.tok.empty?
diff --git a/test/ripper/test_lexer.rb b/test/ripper/test_lexer.rb
index 2efc3beea6..f900ee935d 100644
--- a/test/ripper/test_lexer.rb
+++ b/test/ripper/test_lexer.rb
@@ -51,4 +51,23 @@ class TestRipper::Lexer < Test::Unit::TestCase
]
assert_equal expect, Ripper.lex(src).map {|e| e[1]}
end
+
+ def test_space_after_expr_in_heredoc
+ src = <<~'E'
+ <<~B
+ #{1} a
+ B
+ E
+ expect = %I[
+ on_heredoc_beg
+ on_nl
+ on_ignored_sp
+ on_embexpr_beg
+ on_int
+ on_embexpr_end
+ on_tstring_content
+ on_heredoc_end
+ ]
+ assert_equal expect, Ripper.lex(src).map {|e| e[1]}
+ end
end