private void ShowType(ParamNode node)
{
if (!_showTypes)
{
return;
}
if (node.ExprType == ExprTypeKind.None)
{
return;
}
_wrt.Write(':');
_wrt.Write(node.ExprType.ToString());
}
private ParamNode ParseParam(int index)
{
Contracts.Assert(0 <= index);
Token tok = TokCur;
string name;
if (tok.Kind == TokKind.Ident)
{
name = tok.As <IdentToken>().Value;
TidNext();
}
else
{
PostTidError(TokCur, TokKind.Ident);
name = "<missing>";
}
DataViewType type;
if (index < _types.Length)
{
type = _types[index];
for (int i = 0; ; i++)
{
Contracts.Assert(i < _perm.Length);
Contracts.Assert(0 <= _perm[i] && _perm[i] < _perm.Length);
if (_perm[i] == index)
{
index = i;
break;
}
}
}
else
{
PostError(tok, "Too many parameters, expected {0}", _types.Length);
type = null;
}
var res = new ParamNode(tok, name, index, type);
if (res.ExprType == ExprTypeKind.None)
{
PostError(tok, "Unsupported type");
}
return(res);
}
public override void Visit(ParamNode node)
{
Contracts.AssertValue(node);
_wrt.Write(node.Name);
ShowType(node);
}
public override void Visit(ParamNode node)
{
Contracts.Assert(false);
}
public abstract void Visit(ParamNode node);