public override ITypeSymbol ResolveTypeSymbol(PhpCompilation compilation)
{
if (this.ResolvedType.IsValidType())
{
return(this.ResolvedType);
}
if (_self == null || _self.IsTraitType())
{
// no self, parent, static resolvable in compile-time:
return(new MissingMetadataTypeSymbol(ToString(), 0, false));
}
// resolve types that parser skipped
switch (_type)
{
case ReservedType.self:
return(_self);
case ReservedType.parent:
var btype = _self.BaseType;
return((btype == null || btype.IsObjectType()) // no "System.Object" in PHP, invalid parent
? new MissingMetadataTypeSymbol(ToString(), 0, false)
: btype);
case ReservedType.@static:
if (_self.IsSealed)
{
// `static` == `self` <=> self is sealed
return(_self);
}
break;
}
// unk
return(null);
}
