procedure_id
: { isFirst }? id=IDENT { addId($id.getText(),PROCEDURE_IDENT); }
| nid=PROCEDURE_IDENT { $nid.setType(IDENT);} ->
^(PROCEDURE_ID[] PROCEDURE_IDENT)
;
In the first pass, isFirst is true, and in the second pass, isFirst is set
to be false.
When running the generated Java code, it seems every time
the predicate fails, there will be an error message coming out like this:
line 43:41 rule named_types failed predicate: { isFirst }?
Could it be ignored? or there is something wrong with my grammar file?
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