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ada-git-code

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begin
-- Reset the output pointer to null so that if we don't find anything
-- useful, the caller can check for it.
To := null;
Tags_Correct := ((( From.all'Tag = Multiple_Side) and then
( Also.all'Tag = Single_Side))
or else ((( From.all'Tag = Single_Side) and then
( Also.all'Tag = Multiple_Side)))) ;
if Tags_Correct then
if From.all'Tag = Multiple_Side then
Multiple_Side_Source := From;
Single_Side_Source := Also;
else
Multiple_Side_Source := Also;
Single_Side_Source := From;
end if;
-- Do the navigations now, all is correct.
-- Navigate from multiple side to associative side.
Check_List_For_Multiple (
Multiple_Instance => Multiple_Side_Source,
Associative_Instance => Temp_Associative_Multiple,
Single_Instance => Temp_Single,
Multiple_Instance_Found => Found);
-- Navigate from single side to associative side.
if Found then
-- do the navigation
declare
Input_List : Root_Object.Object_List.List_Header_Access_Type;
begin
Input_List := Root_Object.Object_List.Initialise;
Root_Object.Object_List.Clear(Assoc_Set);
Root_Object.Object_List.Insert (
New_Item => Single_Side_Source,
On_To => Input_List);
Navigate(
From => Input_List,
Class => Class,
To => Assoc_Set);
Root_Object.Object_List.Destroy_List(Input_List);
Function Definition: function distance(p : in Position) return Natural is
Function Body: begin
return abs(p.x) + abs(p.y);
end distance;
function hash(p : in Position) return Ada.Containers.Hash_Type is
begin
return Ada.Strings.Hash(p.x'IMAGE & "," & p.y'IMAGE);
end hash;
function equivalent_positions(left, right: Position) return Boolean is
begin
return (left.x = right.x) and then (left.y = right.y);
end equivalent_positions;
-- function "=" (left : in Position; right : in Position) return Boolean is
-- begin
-- return (left.x = right.x) and (left.y = right.y);
-- end "=";
function to_string(wp : in Wire_Points.Set) return String is
package Unbounded renames Ada.Strings.Unbounded;
s : Unbounded.Unbounded_String;
begin
for elt of wp loop
Unbounded.append(s, to_string(elt) & ", ");
end loop;
return Unbounded.to_string(s);
end to_string;
function to_string(ws : in Wire_Segment) return String is
begin
return to_string(ws.dir) & Integer'Image(ws.distance);
end to_string;
function to_string(w : in Wire.Vector) return String is
package Unbounded renames Ada.Strings.Unbounded;
s : Unbounded.Unbounded_String;
begin
for elt of w loop
Unbounded.append(s, to_string(elt) & ", ");
end loop;
return Unbounded.to_string(s);
end to_string;