System.Windows.Documents.Section _FormatText(int iSel, bool userSelected)
{
_data.iSelected = iSel;
if (userSelected)
{
_data.iUserSelected = iSel;
}
var r = _data.r;
ISymbol currentItem = null;
SignatureHelpParameter currentParameter = null;
var x = new CiText();
//print.clear();
for (int i = 0; i < r.Items.Count; i++)
{
var sh = r.Items[i];
if (sh is AbstractSignatureHelpProvider.SymbolKeySignatureHelpItem kk)
{
var sym = kk.Symbol;
if (i == iSel)
{
currentItem = sym;
}
x.StartOverload(i == iSel, i);
#if false
x.AppendTaggedParts(sh.PrefixDisplayParts); //works, but formats not as I like (too much garbage). Has bugs with tuples.
#else
//if(nt != null) {
// print.it(1, nt.IsGenericType, nt.IsTupleType, nt.IsUnboundGenericType, nt.Arity, nt.CanBeReferencedByName);
// print.it(2, nt.IsAnonymousType, nt.IsDefinition, nt.IsImplicitlyDeclared, nt.Kind, nt.TypeKind);
// print.it(3, nt.MemberNames);
// print.it(4, nt.Name, nt.MetadataName, nt.OriginalDefinition, nt.TupleUnderlyingType);
// print.it("TypeParameters:");
// print.it(nt.TypeParameters);
// print.it("TypeArguments:");
// print.it(nt.TypeArguments);
// print.it("TupleElements:");
// try { var te = nt.TupleElements; if(!te.IsDefault) print.it(te); } catch(Exception e1) { print.it(e1.ToStringWithoutStack()); }
// print.it("---");
//}
int isTuple = 0; //1 ValueTuple<...>, 2 (...)
var nt = sym as INamedTypeSymbol;
if (nt != null && nt.IsTupleType)
{
isTuple = nt.IsDefinition ? 1 : 2;
}
if (isTuple == 1)
{
x.Append("ValueTuple"); //AppendSymbolWithoutParameters formats incorrectly
}
else if (isTuple == 0)
{
x.AppendSymbolWithoutParameters(sym);
}
string b1 = "(", b2 = ")";
if (nt != null)
{
if (nt.IsGenericType && isTuple != 2)
{
b1 = "<"; b2 = ">";
}
}
else if (sym is IPropertySymbol)
{
b1 = "["; b2 = "]";
}
x.Append(b1);
#endif
int iArg = r.ArgumentIndex, lastParam = sh.Parameters.Length - 1;
int selParam = iArg <= lastParam ? iArg : (sh.IsVariadic ? lastParam : -1);
if (!r.ArgumentName.NE())
{
var pa = sh.Parameters;
for (int pi = 0; pi < pa.Length; pi++)
{
if (pa[pi].Name == r.ArgumentName)
{
selParam = pi; break;
}
}
}
x.AppendParameters(sym, selParam, sh);
//x.AppendParameters(sh, selParam); //works, but formats not as I like (too much garbage)
#if false
x.AppendTaggedParts(sh.SuffixDisplayParts);
#else
x.Append(b2);
#endif
if (i == iSel && selParam >= 0)
{
currentParameter = sh.Parameters[selParam];
}
x.EndOverload(i == iSel);
}
else
{
Debug_.Print(sh);
}
}
if (currentItem != null)
{
var tt = r.Items[iSel].DocumentationFactory?.Invoke(default);
