JRuby cannot parse a magic comment like #-*- mode: ruby; -*-
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Key: JRUBY-5445
URL: http://jira.codehaus.org/browse/JRUBY-5445
Project: JRuby
Issue Type: Bug
Components: Parser
Affects Versions: JRuby 1.6RC1
Environment: $ uname -a
Darwin MacBook-Pro.local 10.6.0 Darwin Kernel Version 10.6.0: Wed Nov 10
18:13:17 PST 2010; root:xnu-1504.9.26~3/RELEASE_I386 i386
$ ruby --version
jruby 1.6.0.RC1 (ruby 1.9.2 trunk 136) (2011-01-10 769f847) (Java HotSpot(TM)
64-Bit Server VM 1.6.0_22) [darwin-x86_64-java]
Reporter: Kiyoka Nishiyama
Assignee: Thomas E Enebo
Priority: Minor
Attachments: t.rb
JRuby can't parse this program file.
{code:title=t.rb|borderStyle=solid}
#-*- mode: ruby; -*-
p "test"
{code}
Error message:
{code:shell}
$ ruby t.rb
ByteList.java:1244:in `charAt': java.lang.ArrayIndexOutOfBoundsException: -1
from RubyYaccLexer.java:700:in `magicCommentMarker'
from RubyYaccLexer.java:738:in `parseMagicComment'
from RubyYaccLexer.java:802:in `readComment'
from RubyYaccLexer.java:997:in `yylex'
from RubyYaccLexer.java:312:in `nextToken'
from Ruby19Parser.java:1416:in `yyparse'
from Ruby19Parser.java:1367:in `yyparse'
from Ruby19Parser.java:4242:in `parse'
from Parser.java:112:in `parse'
from Parser.java:94:in `parse'
from Ruby.java:2317:in `parseFile'
from Ruby.java:2322:in `parseFile'
from Ruby.java:447:in `parseFromMain'
from Ruby.java:405:in `runFromMain'
from Main.java:304:in `run'
from Main.java:144:in `run'
from Main.java:113:in `main'
{code}
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