--| +=========================================================================+
--| |                                                                         |
--| | SCAN.SCAN_PARAMETER_ASSOCIATION (body)                                  |
--| |                                                                         |
--| | Greg Janee                                                              |
--| | General Research Corporation                                            |
--| |                                                                         |
--| +=========================================================================+

separate (Scan)
procedure Scan_Parameter_Association (The_Association : in Asis.Association; 
				      The_Context : in out Context) is

    Cuid : constant String := "Scan.Scan_Parameter_Association";
    Puid : constant String := "Scan_Parameter_Association";

    package Error renames Scan.Error_Handling_Support;
    package Trace renames Scan.Trace_Support;

begin

    declare
	Actual_Part : Asis.Expression := 
	   Asis_S.Actual_Parameter (The_Association);
	Formal_Part : Asis.Element := Asis_S.Formal_Parameter (The_Association);
    begin

	if Trace.On then
	    Trace.Log (The_Association);
	    Trace.Add_Level (Scan.One_If_Present (Formal_Part) + 1);
	end if;

	if Asis_X.Is_Normalized (The_Association) then
	    Scan.Scan_Entity_Name_Definition (Formal_Part, The_Context);
	else
	    if not Asis_E.Is_Nil (Formal_Part) then
		Scan.Scan_Expression (Formal_Part, The_Context);
	    end if;
	end if;

	Scan.Scan_Expression (Actual_Part, The_Context);

    end;

exception

    when Asis.Asis_Inappropriate_Element =>
	Error.Log (Error.A_Bad_Element, Cuid, Puid, The_Association);
	raise Traversal_Error;

    when Asis.Asis_Failed =>
	Error.Log (Error.An_Asis_Failure, Cuid, Puid, The_Association);
	raise Traversal_Error;

    when Traversal_Error =>
	Error.Log (Error.A_Previous_Error, Cuid, Puid, The_Association);
	raise;

end Scan_Parameter_Association;