[antlr-interest] Bug in Java API
Terence Parr
parrt at cs.usfca.edu
Thu Nov 1 15:27:14 PDT 2007
thanks. added:
http://www.antlr.org:8888/browse/ANTLR-192
Ter
On Nov 1, 2007, at 2:25 PM, Jaak Niit wrote:
> Hello
>
> ANTLR Version 3.0.1 seems to have bug in BitSet constuctor
> /** Construction from a list of integers */
> public BitSet(List items) {
> for (int i = 0; i < items.size(); i++) {
> Integer v = (Integer) items.get(i);
> add(v.intValue());
> }
> }
> where first line should be
> this(BITS);
>
> Problem came out when I try to use
> CommonTokenStream.getTokens(int start, int stop, List types);
> and I get
> Exception in thread "main" java.lang.NullPointerException
> at org.antlr.runtime.BitSet.add(BitSet.java:118)
> at org.antlr.runtime.BitSet.<init>(BitSet.java:64)
> at org.antlr.runtime.CommonTokenStream.getTokens
> (CommonTokenStream.java:226)
>
> --
> # Jaak Niit
>
>
>
>
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