internal void Bind <T>(ref T node, BindAffinity affinity) where T : Syntax.Expr
{
if (node != null)
{
node.Affinity = affinity;
Bind(ref node);
}
}
internal static MemberAccessExpr Bound(Binder b, Expr expr, Expr member, BindAffinity affinity)
{
expr.RequireValue();
var e = new MemberAccessExpr(expr, Token.None, member);
e.Symbol = b.BindMemberAccess(ref e.Expr, ref e.Member, affinity);
e.Datatype = e.Symbol.Type();
return(e);
}
internal Symbol BindMemberAccess(ref Expr expr, ref Expr member, BindAffinity affinity)
{
if (member is NameExpr MemberName)
{
if (affinity == BindAffinity.Invoke)
{
Symbol s = null;
if (!expr.Datatype.IsUsualOrObject())
{
s = Lookup(expr.Datatype, MemberName.LookupName);
}
if (s == null)
{
if (Options.Binding.HasFlag(BindOptions.AllowDynamic) && expr.Datatype.IsUsualOrObject())
{
Convert(ref expr, Compilation.Get(NativeType.Usual) ?? Compilation.Get(NativeType.Object));
return(new DynamicSymbol(MemberName.LookupName));
}
else
{
throw Binder.LookupError(expr, MemberName);
}
}
return(s);
}
else
{
Convert(ref expr, Compilation.Get(NativeType.Object));
return(new DynamicSymbol(MemberName.LookupName));
}
}
else if (member is RuntimeIdExpr)
{
Bind(ref member, BindAffinity.Member);
return(new DynamicExprSymbol(member));
}
else
{
throw member.Error(ErrorCode.NameExpected);
}
}
