67 lines
1.5 KiB
Ada
67 lines
1.5 KiB
Ada
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-- Implantation du module Piles.
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with Ada.Text_IO; use Ada.Text_IO;
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--! Ce module est nécessaire parce qu'on a ajouté le SP Afficher.
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package body Piles is
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procedure Initialiser (Pile : out T_Pile) is
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begin
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Pile.Taille := 0;
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end Initialiser;
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function Est_Vide (Pile : in T_Pile) return Boolean is
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begin
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return Pile.Taille = 0;
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end Est_Vide;
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function Est_Pleine (Pile : in T_Pile) return Boolean is
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begin
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return Pile.Taille >= Capacite;
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end Est_Pleine;
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function Sommet (Pile : in T_Pile) return T_Element is
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begin
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return Pile.Elements (Pile.Taille);
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end Sommet;
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procedure Empiler (Pile : in out T_Pile; Element : in T_Element) is
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begin
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Pile.Taille := Pile.Taille + 1;
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Pile.Elements (Pile.Taille) := Element;
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end Empiler;
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procedure Depiler (Pile : in out T_Pile) is
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begin
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Pile.Taille := Pile.Taille - 1;
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end Depiler;
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function Taille (Pile: in T_Pile) return Natural is
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begin
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return Pile.Taille;
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end Taille;
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procedure Afficher (Pile : in T_Pile) is
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begin
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Put ('[');
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if not Est_Vide (Pile) then
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Put (' ');
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Afficher_Element (Pile.Elements (1));
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for I in 2..Pile.Taille loop
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Put (", ");
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Afficher_Element (Pile.Elements (I));
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end loop;
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else
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Null;
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end if;
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Put (" ]");
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end Afficher;
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end Piles;
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