[jira] [Commented] (GROOVY-8913) Parrot Parser: partially-parenthesized binary expression parsed as cast and unary plus

2018-12-10 Thread Daniel Sun (JIRA) 


[ 
https://issues.apache.org/jira/browse/GROOVY-8913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16715296#comment-16715296
 ] 

Daniel Sun commented on GROOVY-8913:


FYI, https://github.com/tunnelvisionlabs/antlr4/issues/37


> 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
>
> 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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[jira] [Commented] (GROOVY-8913) Parrot Parser: partially-parenthesized binary expression parsed as cast and unary plus

2018-12-08 Thread Daniel Sun (JIRA) 


[ 
https://issues.apache.org/jira/browse/GROOVY-8913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713853#comment-16713853
 ] 

Daniel Sun commented on GROOVY-8913:


Some ambiguity issue have to be fixed

> 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
>
> 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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