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Fix Ripper.lex error in dedenting squiggly heredoc

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* ext/ripper/lib/ripper/lexer.rb (on_heredoc_dedent): Fix
  Ripper.lex error in dedenting squiggly heredoc.  heredoc tree is
  also an array of Elem in the outer tree.  [Fix GH-1234]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53722 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-02-02 23:21:34 +00:00
parent 922d359e65
commit a43f2cbaa1
3 changed files with 13 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Wed Feb 3 08:21:32 2016 Seiei Miyagi <hanachin@gmail.com>
* ext/ripper/lib/ripper/lexer.rb (on_heredoc_dedent): Fix
Ripper.lex error in dedenting squiggly heredoc. heredoc tree is
also an array of Elem in the outer tree. [Fix GH-1234]
Wed Feb 3 02:33:39 2016 NARUSE, Yui <naruse@ruby-lang.org>
* re.c (rb_reg_prepare_enc): use already compiled US-ASCII regexp

2
ext/ripper/lib/ripper/lexer.rb
View file

@ -66,7 +66,7 @@ class Ripper
private
def on_heredoc_dedent(v, w)
@buf.each do |e|
@buf.last.each do |e|
if e.event == :on_tstring_content
if (n = dedent_string(e.tok, w)) > 0
e.pos[1] += n

6
test/ripper/test_scanner_events.rb
View file

@ -103,6 +103,12 @@ class TestRipper::ScannerEvents < Test::Unit::TestCase
[[5, 0], :on_imaginary, "5.6ri"],
],
Ripper.lex("1r\n2i\n3ri\n4.2r\n5.6ri")
assert_equal [[[1, 0], :on_heredoc_beg, "<<~EOS"],
[[1, 6], :on_nl, "\n"],
[[2, 2], :on_tstring_content, "heredoc\n"],
[[3, 0], :on_heredoc_end, "EOS"]
],
Ripper.lex("<<~EOS\n heredoc\nEOS")
end
def test_location