((LEFT_BRACKET atom RIGHT_BRACKET)=>
Don't add a label in to the predicate. Jim > -----Original Message----- > From: antlr-interest-boun...@antlr.org [mailto:antlr-interest- > boun...@antlr.org] On Behalf Of Louis Burroughs > Sent: Friday, October 14, 2011 7:10 AM > To: antlr-interest@antlr.org > Subject: [antlr-interest] Java synpred fragment generating errors > > antlr 3.4 > java 1.6 > os: windows xp > > Hello, > > When I try to use syntactic predicates in my grammar I am getting an > error in the generated grammar parser file. My variables are not > initialized correctly. I am new to antlr and syntactic predicates so I > am not sure if the problem is in my grammar or in the template. This > also happens when I turn the backtracking option to true and remove the > predicates from my grammar. > > > > // $ANTLR start synpred50_EsqlGrammar > public final void synpred50_EsqlGrammar_fragment() throws > RecognitionException { > --> *void =null;* > > > // > C:\\EsqlParser\\src\\com\\abc\\iaf\\plugin\\EsqlGrammar.g:393:23: > ( LEFT_BRACKET var_atom1= atom RIGHT_BRACKET ) > // > C:\\EsqlParser\\src\\com\\abc\\iaf\\plugin\\EsqlGrammar.g:393:24: > LEFT_BRACKET var_atom1= atom RIGHT_BRACKET > { > > match(input,LEFT_BRACKET,FOLLOW_LEFT_BRACKET_in_synpred50_EsqlGrammar20 > 08); > if (state.failed) return ; > > pushFollow(FOLLOW_atom_in_synpred50_EsqlGrammar2012); > var_atom1=atom(); > > state._fsp--; > if (state.failed) return ; > > > match(input,RIGHT_BRACKET,FOLLOW_RIGHT_BRACKET_in_synpred50_EsqlGrammar > 2014); > if (state.failed) return ; > > } > > } > > Grammar Syntax: > > variable > : > var_id1=IDENTIFIER ((LEFT_BRACKET var_atom1=atom > RIGHT_BRACKET)=>LEFT_BRACKET var_atom1=atom RIGHT_BRACKET)? > (pe+=path_element)* > -> > ^(VARIABLE ^(BRACKET $var_atom1)$var_id1 $pe* ) > ; > > > This also happens with tokens: > > Token =null; > > Thanks in advance, > Louis Burroughs > > 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 il-antlr-inter...@googlegroups.com. To unsubscribe from this group, send email to il-antlr-interest+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en.
