You have chosen a rule name that clashes with a Java class name, e.g. Integer.
Select another name for your current Integer lexer rule. In my opinion this is not an ANTLR problem, rather it is a user error. On Sat, 2011-05-14 at 23:45 +0200, Dominik Halfkann wrote: > Here are the generated java parts. But I think it's weird, if it's not an > ANTLR problem, that would mean ANTLR builts java-files with errors, doesn't > it? :o > Moreover, I've copy-pasted this gramma part from an example ( > http://www.antlr.org/wiki/display/ANTLR3/Expression+evaluator), so this > shouldn't happen at all. :( > I will check the problem with eclipse late on, but It's weird that the > generated .java is incorrect imo. > > public final int mathAtom() throws RecognitionException { > int value = 0; > Token i=null; > int e = 0; > > [...] > i=(Token)match(input,Integer,FOLLOW_Integer_in_mathAtom984); if > (state.failed) return value; > [...] > value = Integer.parseInt((i!=null?i.getText():null)); > [...] > } > > 2011/5/14 Jeff Hair <[email protected]> > > > http://www.coderanch.com/t/379354/java/java/int-not-dereferenced-means > > > > <http://www.coderanch.com/t/379354/java/java/int-not-dereferenced-means>Doesn't > > look like it's an ANTLR problem. Check the data type of value. > > > > On Sat, May 14, 2011 at 8:50 AM, Dominik Halfkann < > > [email protected]> wrote: > > > >> Hello everybody, > >> > >> I have a problem with ANTLR and I hope it's ok that I'm asking that here. > >> I > >> also posted something in the forum, but it seems to be very inactive > >> depending on other posts I saw there... > >> > >> (from http://www.jguru.com/forums/view.jsp?EID=1639158) > >> When I want to debug/compile my grammar, I allways get the error message: > >> > >> [14:03:38] D:\[...]\ANTLR Parser\output\SGLParser.java:2532: int > >> cannot be dereferenced > >> [14:03:38] value = > >> Integer.parseInt((i!=null?i.getText():null)); > >> > >> I don't have an explanation for that, maybe someone can help me here. Here > >> are the important code fragments: > >> > >> grammar SGL; > >> options { > >> backtrack = true; > >> memoize = true; > >> } > >> > >> [...] > >> > >> mathAtom returns [int value] > >> : '(' e=mathExpression ')' {$value = $e.value;} > >> | i=Integer {$value = Integer.parseInt($i.text);} > >> ; > >> > >> [...] > >> > >> Integer > >> : '0'..'9'+ > >> ; > >> > >> > >> Thank you in advance > >> > >> Dominik > >> > >> List: http://www.antlr.org/mailman/listinfo/antlr-interest > >> Unsubscribe: > >> http://www.antlr.org/mailman/options/antlr-interest/your-email-address > >> > > > > > > List: http://www.antlr.org/mailman/listinfo/antlr-interest > Unsubscribe: > http://www.antlr.org/mailman/options/antlr-interest/your-email-address List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address -- You received this message because you are subscribed to the Google Groups "il-antlr-interest" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en.
