public override void Visit(CompareNode node)
{
Contracts.AssertValue(node);
if (TryShowValue(node))
{
return;
}
TokKind tidLax = node.TidLax;
TokKind tidStrict = node.TidStrict;
string strLax = GetString(tidLax);
string strStrict = GetString(tidStrict);
string str = string.Empty;
string strOp = string.Empty;
for (int i = 0; ;)
{
_wrt.Write(strOp);
var arg = node.Operands.Items[i];
var prec = GetPrec(arg);
if (prec <= Precedence.Compare)
{
_wrt.Write('(');
}
arg.Accept(this);
if (prec <= Precedence.Compare)
{
_wrt.Write(')');
}
if (++i >= node.Operands.Items.Length)
{
break;
}
var tid = node.Operands.Delimiters[i - 1].Kind;
Contracts.Assert(tid == tidLax || tid == tidStrict);
strOp = tid == tidLax ? strLax : strStrict;
}
ShowType(node);
}
public override void PostVisit(CompareNode node)
{
Contracts.Assert(false);
}
public abstract void Visit(CompareNode node);
public override bool PreVisit(CompareNode node)
{
Visit(node); return(false);
}
public virtual bool PreVisit(CompareNode node)
{
return(true);
}