IntelliJ Plugin Preview with Semantic Predicate Condition

[Raz Friman]

I was wondering if the IntelliJ plugin supports previewing grammars that include semantic predicate conditions

I want to be able to support comments where there is an asterick in position 0, or anywhere on the line from '/*' to only the end of the line

my current rule is:

COMMENT:( '/*' .*? ([\r\n] | EOF)
        | '*' .*? ([\r\n] | EOF) {getCharPositionInLine() == 0}?
        )
        -> channel(HIDDEN)
       ;

Does this seem correct? When paste my input into the preview window, I am not getting the expected results when the '*' comment moves away from position 0.

Thanks,

Raz

[Terence Parr]

the interpreterDoesn't compile Java actions and so it's unable to handle semantic predicates. Sorry.

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