public UnOp(LatteParser.EUnOpContext context)
{
Operator = context.unOp() switch
{
LatteParser.UnaryMinusContext _ => Unary.Minus,
LatteParser.UnaryNegContext _ => Unary.Neg
};
Expr = Utils.ExprFromExprContext(context.expr());
}
public override LatteParser.TypeContext VisitEUnOp(LatteParser.EUnOpContext context)
{
var expr = Visit(context.expr());
switch (context.unOp())
{
case LatteParser.UnaryMinusContext _:
if (!expr.Equals(new LatteParser.TIntContext()))
{
Utils.StateUtils.InterruptWithMessage(context.start.Line, ErrorMessages.UnaryMinusToNotInt);
}
return(new LatteParser.TIntContext());
case LatteParser.UnaryNegContext _:
if (!expr.Equals(new LatteParser.TBoolContext()))
{
Utils.StateUtils.InterruptWithMessage(context.start.Line, ErrorMessages.UnaryNegToNotBool);
}
return(new LatteParser.TBoolContext());
default:
throw new NotSupportedException();
}
}