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Truffle - Compile Error until when break in case statement #2654

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bjfish opened this issue Mar 6, 2015 · 2 comments
Closed

Truffle - Compile Error until when break in case statement #2654

bjfish opened this issue Mar 6, 2015 · 2 comments
Milestone
JRuby 9.0.0.0.pre2

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@bjfish
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bjfish commented Mar 6, 2015

This fails with the following error in Truffle but not in jruby or ruby 2.2

       x = 0
       until x > 5
          test = "test"
          case
          when test == "hello"
             break unless test == "foo"
             puts "hello"
          when test == "te"
            if test == "false"
              raise "foo"
            end
            break
          else
            puts "else"
          end
          x += 1
      end

Error output

jruby: using Default Truffle Runtime
whenbreak.rb:13: Invalid break
whenbreak.rb: compile error (SyntaxError)

Expected output

else
else
else
else
else
else
@chrisseaton chrisseaton changed the title Truffle - Compile Error until when break in case statement Compile Error until when break in case statement Mar 6, 2015
@chrisseaton chrisseaton changed the title Compile Error until when break in case statement Truffle - Compile Error until when break in case statement Mar 6, 2015
@chrisseaton
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I didn't know you could do that!

This is likely an error in the translator, but I'm not sure what off the top of my head. It's strange that it's a syntax error though - as we run the same parser as JRuby and you say it works there.

@bjfish
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bjfish commented Mar 6, 2015

jruby/truffle/src/main/java/org/jruby/truffle/translator/BodyTranslator.java

Line 352 in 4c1566b

System.err.printf("%s:%d: Invalid break%n", node.getPosition().getFile(), node.getPosition().getLine() + 1);

while works fine

@enebo enebo added this to the 9.0.0.0.pre2 milestone Apr 28, 2015
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@enebo @bjfish @chrisseaton