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https://issues.apache.org/jira/browse/GROOVY-8913?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-8913.
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> 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-beta-1
>
> 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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