[antlr-interest] Understanding AST

Andre Arpin arpin at kingston.net
Mon Mar 14 12:43:16 PST 2005


If I turn off the standard tree construction in expr, I am not able to
create the same tree as the one created with tree construction enable.

This is probably simple but I just cannot solve it. I would really
appreciate any suggestion. 

 

expr!

      :     mexpr ((PLUS^ | MINUS^) b:mexpr)*

      ;

 

mexpr

      :     atom ((STAR^ | SOLIDUS^)  atom)*

      ;

            

atom: INT

    | LPAREN! expr RPAREN!

      ;

 

André

 


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