[antlr-interest] AST migration question

[Thomas N.]

Hi,

I'm migrating AST building/parsing from an Antlr 2 grammar to Antlr 3.1.1, but the documentation on this is not too verbose (I've read them many times). I must admit that I'm not an AST expert and avoided them wherever I could, so maybe my question is not that keen...

Here is an Antlr2 example:

version_number!
{ short minor=0,major=0; String verStr=null; }
    : minor=u2 major=u2 { verStr = ""+major+"."+minor; #version_number = #[VERSION,verStr]; }
    ;

So, how is this done in Antlr 3.1.1?

Thomas Neustupny
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