public override object VisitNegate(NegateContext context)
{
var r = (new Result());
var expr = (Result)(Visit(context.expression()));
r.data = expr.data;
r.text = "!" + expr.text;
return(r);
}
public NegateContext negate()
{
NegateContext _localctx = new NegateContext(Context, State);
EnterRule(_localctx, 6, RULE_negate);
try {
State = 42;
ErrorHandler.Sync(this);
switch (TokenStream.LA(1))
{
case ADDOP:
_localctx = new AddopNegateContext(_localctx);
EnterOuterAlt(_localctx, 1);
{
State = 39;
Match(ADDOP);
State = 40;
negate();
}
break;
case NUM:
case LP:
_localctx = new NegateToPowerContext(_localctx);
EnterOuterAlt(_localctx, 2);
{
State = 41;
power();
}
break;
default:
throw new NoViableAltException(this);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
ExitRule();
}
return(_localctx);
}
public NegateToPowerContext(NegateContext context)
{
CopyFrom(context);
}
public AddopNegateContext(NegateContext context)
{
CopyFrom(context);
}
public virtual void CopyFrom(NegateContext context)
{
base.CopyFrom(context);
}
