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Posted to notifications@groovy.apache.org by "Daniel Sun (JIRA)" <ji...@apache.org> on 2019/02/09 15:58:00 UTC
[jira] [Resolved] (GROOVY-8913) Parrot Parser:
partially-parenthesized binary expression parsed as cast and unary plus
[ https://issues.apache.org/jira/browse/GROOVY-8913?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Sun resolved GROOVY-8913.
--------------------------------
Resolution: Fixed
Fixed by https://github.com/apache/groovy/commit/822eb5dcdc6402b6a8ab98094f0813f77dfe3949
> Parrot Parser: partially-parenthesized binary expression parsed as cast and unary plus
> --------------------------------------------------------------------------------------
>
> Key: GROOVY-8913
> URL: https://issues.apache.org/jira/browse/GROOVY-8913
> Project: Groovy
> Issue Type: Bug
> Components: parser-antlr4
> Affects Versions: 2.6.0-alpha-4
> Reporter: Eric Milles
> Assignee: Daniel Sun
> Priority: Major
> Fix For: 3.0.0-alpha-5
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Groovy 2.6 (and possibly/probably 3.0) is parsing this expression differently from 2.5:
> {code:groovy}
> def x = (a.b) + c()
> {code}
> In Groovy 2.5, this is a DeclarationExpression with a VariableExpression for the left expression and a BinaryExpression (with PLUS operator) for the right expression. Parrot Parser is seeing the right expression as a CastExpression with a UnaryPlusExpression.
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