[antlr-interest] How to handle rewrite of multiple nodes
John B. Brodie
jbb at acm.org
Tue Mar 29 19:27:04 PDT 2011
Greetings!
On Wed, 2011-03-30 at 12:43 +1100, Simon wrote:
> Hello all,
>
> I have a grammar that does a rewrite like so:
>
> bracketedBlock
> : '{' stmts=statement* '}' -> ^(Block $stmts)
> ;
>
you are not properly handling the cardinality of the * meta-operator.
try:
bracketedBlock : '{' statement* '}' -> ^(Block statement*) ;
or:
bracketedBlock : '{' stmts+=statement* '}' -> ^(Block $stmts} :
Hope this helps...
-jbb
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