/// <summary>
/// Given an existing left hand side node or token, parse a qualified name if possible. Returns
/// null with success if a dot token is not available
/// </summary>
private Result <StackFrameQualifiedNameNode> TryParseQualifiedName(StackFrameNameNode lhs)
{
if (!_lexer.ScanCurrentCharAsTokenIfMatch(StackFrameKind.DotToken, out var dotToken))
{
return(Result <StackFrameQualifiedNameNode> .Empty);
}
// Check if this is a generated identifier
(var success, StackFrameSimpleNameNode? rhs) = TryScanGeneratedName();
if (!success)
{
return(Result <StackFrameQualifiedNameNode> .Abort);
}
if (rhs is not null)
{
return(new StackFrameQualifiedNameNode(lhs, dotToken, rhs));
}
// The identifier is not a generated name, parse as a normal identifier and check for generics
var identifier = _lexer.TryScanIdentifier();
if (!identifier.HasValue)
{
return(Result <StackFrameQualifiedNameNode> .Abort);
}
(success, rhs) = TryScanGenericTypeIdentifier(identifier.Value);
if (!success)
{
return(Result <StackFrameQualifiedNameNode> .Abort);
}
RoslynDebug.AssertNotNull(rhs);
return(new StackFrameQualifiedNameNode(lhs, dotToken, rhs));
}
/// <summary>
/// Given an existing left hand side node or token, parse a qualified name if possible. Returns
/// null with success if a dot token is not available
/// </summary>
private Result <StackFrameQualifiedNameNode> TryParseQualifiedName(StackFrameNameNode lhs)
{
if (!_lexer.ScanCurrentCharAsTokenIfMatch(StackFrameKind.DotToken, out var dotToken))
{
return(Result <StackFrameQualifiedNameNode> .Empty);
}
var identifier = _lexer.TryScanIdentifier();
if (!identifier.HasValue)
{
return(Result <StackFrameQualifiedNameNode> .Abort);
}
var(success, rhs) = TryScanGenericTypeIdentifier(identifier.Value);
if (!success)
{
return(Result <StackFrameQualifiedNameNode> .Abort);
}
RoslynDebug.AssertNotNull(rhs);
return(new StackFrameQualifiedNameNode(lhs, dotToken, rhs));
}
