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procedure Delete (Item : in out Finder_Access) is
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begin
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Item := null;
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end Delete;
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begin
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Finder_Array.Update_Element (ID, Delete'Access);
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Function Definition: procedure Main is
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Function Body: package SU renames Ada.Strings.Unbounded;
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package Calendar renames Ada.Calendar;
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type Argument_Option is (verbose, input, output);
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type Boolean_Flag is (True, False);
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File : File_Type;
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Fields : Slice_Set;
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Seconds_Per_Hour : Integer;
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Start : Calendar.Time;
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Clock : array(1..2) of Integer;
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Verbose_Flag : Boolean := FALSE;
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In_Filename : SU.Unbounded_String := SU.To_Unbounded_String ("input");
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Out_Filename : SU.Unbounded_String := SU.To_Unbounded_String ("output");
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T : Integer; -- number of trains
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TT : Integer; -- number of Turntables
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NT : Integer; -- number of NormalTracks
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ST : Integer; -- number of StationTracks
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Turntables : Turntables_Ptr;
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Normal_Tracks : Normal_Tracks_Ptr;
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Station_Tracks : Station_Tracks_Ptr;
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Trains : Trains_Ptr;
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Connections : Connections_Ptr;
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type Command is ('c', 'p', 't', 'u', 'n', 's', 'h', 'q');
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task Talk is
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entry Start;
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end Talk;
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task body Talk is
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C : String (1..1);
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Last : Natural;
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begin
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accept Start;
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Put_Line("Input char for action, availble commands:");
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Put_Line(" 'p' - current trains positions,");
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Put_Line(" 't' - list trains,");
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Put_Line(" 'u' - list turntables,");
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Put_Line(" 'n' - list normal tracks,");
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Put_Line(" 's' - list station tracks,");
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Put_Line(" 'h' - print this menu again,");
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Put_Line(" 'q' - to quit simulation.");
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while TRUE loop
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Get_Line(C, Last);
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case C(1) is
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when 'p' =>
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null;
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for I in 0 .. T-1 loop
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Put_Line(As_String(Trains (I)) & ": " & Trains (I).Att.As_String);
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end loop;
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when 't' =>
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for I in 0 .. T-1 loop
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Put_Line(As_Verbose_String(Trains (I)));
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end loop;
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when 'u' =>
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for I in 0 .. TT-1 loop
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Put_Line(Turntables (I).As_Verbose_String);
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end loop;
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when 'n' =>
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for I in 0 .. NT-1 loop
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Put_Line(Normal_Tracks (I).As_Verbose_String);
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end loop;
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when 's' =>
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for I in 0 .. ST-1 loop
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Put_Line(Station_Tracks (I).As_Verbose_String);
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end loop;
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when 'h' =>
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Put_Line("Input char for action, availble commands:");
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Put_Line(" 'p' - current trains positions,");
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Put_Line(" 't' - list trains,");
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Put_Line(" 'u' - list turntables,");
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Put_Line(" 'n' - list normal tracks,");
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Put_Line(" 's' - list station tracks,");
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Put_Line(" 'h' - print this menu again,");
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Put_Line(" 'q' - to quit simulation.");
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when 'q' => OS_Exit(0);
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when others => null;
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end case;
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C := "#";
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end loop;
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end Talk;
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function Read_Fields(F: File_Type; Expected: Positive) return Slice_Set is
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File_Line : SU.Unbounded_String;
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Fields : Slice_Set;
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