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TextFile

with Fact;
with Null_Action;
with Output_Stream;
use Fact;
generic
    type Rule_Bundles is (<>);
    Max_Rules                      : in Positive := 50;  
    Max_Condition_Elements_By_Rule : in Positive := 10;
    Max_Condition_Elements         : in Positive := 200;
package Generic_Rule_Base is

    subtype Rule_Id is Natural;
    No_Rule : constant Rule_Id := 0;

    function  Count             return Natural;
    procedure Put (R : Rule_Id; Where : Output_Stream.Object);
    function  Get (R : Rule_Id) return Rule_Bundles;
    function  Firable_On_Facts  return Fact.Collection;
    function  Firable_On_Rule   return Rule_Id;

    Illegal_Bundle  : exception;
    Illegal_Rule_Id : exception;
    Overflow        : exception;

    generic
        The_Bundle : Rule_Bundles;

        type Rule_Names is (<>);

        Nothing : Rule_Names := Rule_Names'Last;

        Rule_1    : Rule_Names := Nothing;
        Name_1    : String     := Rule_Names'Image (Rule_1);
        Premiss_1 : Queries    := Null_Premiss;
        with procedure Action_1 (On : Fact.Collection) is Null_Action;

        Rule_2    : Rule_Names := Nothing;
        Name_2    : String     := Rule_Names'Image (Rule_2);
        Premiss_2 : Queries    := Null_Premiss;
        with procedure Action_2 (On : Fact.Collection) is Null_Action;

        Rule_3    : Rule_Names := Nothing;
        Name_3    : String     := Rule_Names'Image (Rule_3);
        Premiss_3 : Queries    := Null_Premiss;
        with procedure Action_3 (On : Fact.Collection) is Null_Action;

        Rule_4    : Rule_Names := Nothing;
        Name_4    : String     := Rule_Names'Image (Rule_4);
        Premiss_4 : Queries    := Null_Premiss;
        with procedure Action_4 (On : Fact.Collection) is Null_Action;

        Rule_5    : Rule_Names := Nothing;
        Name_5    : String     := Rule_Names'Image (Rule_5);
        Premiss_5 : Queries    := Null_Premiss;
        with procedure Action_5 (On : Fact.Collection) is Null_Action;

    package Generic_Rule_Bundle is
        procedure Do_Action (For_Rule : Rule_Id; On_Facts : Fact.Collection);
    end Generic_Rule_Bundle;
end Generic_Rule_Base;