Verilog2001Parser.java 文件源码

public final Port_expressionContext port_expression() throws RecognitionException {
    Port_expressionContext _localctx = new Port_expressionContext(_ctx, getState());
    enterRule(_localctx, 34, RULE_port_expression);
    int _la;
    try {
        setState(825);
        switch (_input.LA(1)) {
        case Escaped_identifier:
        case Simple_identifier:
            enterOuterAlt(_localctx, 1);
            {
            setState(813);
            port_reference();
            }
            break;
        case T__18:
            enterOuterAlt(_localctx, 2);
            {
            setState(814);
            match(T__18);
            setState(815);
            port_reference();
            setState(820);
            _errHandler.sync(this);
            _la = _input.LA(1);
            while (_la==T__16) {
                {
                {
                setState(816);
                match(T__16);
                setState(817);
                port_reference();
                }
                }
                setState(822);
                _errHandler.sync(this);
                _la = _input.LA(1);
            }
            setState(823);
            match(T__19);
            }
            break;
        default:
            throw new NoViableAltException(this);
        }
    }
    catch (RecognitionException re) {
        _localctx.exception = re;
        _errHandler.reportError(this, re);
        _errHandler.recover(this, re);
    }
    finally {
        exitRule();
    }
    return _localctx;
}