code: public final void synpred1_InternalPureXbase_fragment() throws RecognitionException {   
          // InternalPureXbase.g:307:6: ( 'catch' | 'finally' )
          // InternalPureXbase.g:
          {
          if ( input.LA(1)==17||input.LA(1)==81 ) {
              input.consume();
              state.errorRecovery=false;state.failed=false;
          }
          else {
              if (state.backtracking>0) {state.failed=true; return ;}
              MismatchedSetException mse = new MismatchedSetException(null,input);
              throw mse;
          }
  
  
          }
      }
docs: $ANTLR start synpred1_InternalPureXbase