[antlr-interest] AST for repeated occurrences of binary operators

[David-Sarah Hopwood]

Jim Idle wrote:
> expr : ^(OR expr expr)
>      | ^(AND expr expr)
>      | atoms
>      ;

That's not equivalent; you want just

  expr : andExpr (^OR andExpr)*;

> The important thing here is that I want it to skip straight to andExpr in case there is no OR token.

The above syntax will do that.

-- 
David-Sarah Hopwood  ⚥  http://davidsarah.livejournal.com

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