[jira] [Created] (GROOVY-10755) Ternary returning a list gets parsed improperly

["OC (Jira)" <ji...@apache.org>]

OC created GROOVY-10755:
---------------------------

             Summary: Ternary returning a list gets parsed improperly
                 Key: GROOVY-10755
                 URL: https://issues.apache.org/jira/browse/GROOVY-10755
             Project: Groovy
          Issue Type: Bug
          Components: parser
    Affects Versions: 4.0.4
            Reporter: OC


Another problem with ternary operator, this time almost surely a clash with the safe index operator:
{code:java}
2034 ocs /tmp> >q.groovy 
1>2?[1]:0
2035 ocs /tmp> /usr/local/groovy-4.0.4/bin/groovy q   
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
/private/tmp/q.groovy: 1: Unexpected input: ':' @ line 1, column 8.
   1>2?[1]:0
          ^
1 error
2036 ocs /tmp> 
{code}
Most probably affects 4 from the beginning. Used to work properly in previous versions (including Groovy 3 which supported the safe index operator all right).

The issue can be fixed easily e.g. inserting a space betwixt ? and [, thus the minor priority. Nevertheless it is somewhat inconvenient since the operation is pretty common and frequently occurs in the current codebase, which worked under 3 all right. Also, it is sort of difficult to solve it (semi-)automatically, for it is not entirely trivial to distinguish real safe indices from ternaries automatically without a full-fledged parser :(



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