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DataMuseum.dkPresents historical artifacts from the history of: Rational R1000/400 Tapes |
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top - downloadIndex: ┃ B T ┃
Length: 20292 (0x4f44)
Types: TextFile
Names: »B«
└─⟦149519bd4⟧ Bits:30000546 8mm tape, Rational 1000, !projects 93-07-13
└─ ⟦124ff5788⟧ »DATA«
└─⟦this⟧
└─⟦f64eaa120⟧ Bits:30000752 8mm tape, Rational 1000, !projects 93 02 16
└─ ⟦6f12a12be⟧ »DATA«
└─⟦this⟧
with Class;
with Context;
with Date;
with Debugger;
with Instance;
with Tuple;
with Tuple_Collection;
with Unbounded_Array;
package body Engine_Lex_Mea is
package Utc is new Unbounded_Array (Element => Tuple.Object,
Content => Tuple_Collection.Object);
Current_Rule : Context.Rule_Id := 0;
Current_Tuple : Tuple.Object;
Current_Tuple_Sort : Tuple.Object;
A_Tuple : Tuple.Object;
The_Tuple : Tuple.Object;
Local_Context : Context.Reference;
------------------------------------------------------------------------------
function "<" (Left, Right : Instance.Reference) return Boolean is
Date_Left, Date_Right : Date.Reference;
begin
Date_Left := Class.Get (In_Class => Instance.Isa (Left),
The_Instance => Instance.Value (Left));
Date_Right := Class.Get (In_Class => Instance.Isa (Right),
The_Instance => Instance.Value (Right));
return Date_Left < Date_Right;
end "<";
procedure Sortdate is new Tuple.Sort ("<");
------------------------------------------------------------------------------
function Evaluate_Tuple_Collection
(For_Rule : Context.Rule_Id) return Tuple_Collection.Object is
An_Object : Utc.Object;
begin
if not Context.Is_Masked (In_Context => Local_Context,
The_Rule => For_Rule) then
case For_Rule is
when 1 =>
An_Object := Utc.Create (Condition_1);
when 2 =>
An_Object := Utc.Create (Condition_2);
when 3 =>
An_Object := Utc.Create (Condition_3);
when 4 =>
An_Object := Utc.Create (Condition_4);
when 5 =>
An_Object := Utc.Create (Condition_5);
when 6 =>
An_Object := Utc.Create (Condition_6);
when 7 =>
An_Object := Utc.Create (Condition_7);
when 8 =>
An_Object := Utc.Create (Condition_8);
when 9 =>
An_Object := Utc.Create (Condition_9);
when 10 =>
An_Object := Utc.Create (Condition_10);
when 11 =>
An_Object := Utc.Create (Condition_11);
when 12 =>
An_Object := Utc.Create (Condition_12);
when 13 =>
An_Object := Utc.Create (Condition_13);
when 14 =>
An_Object := Utc.Create (Condition_14);
when 15 =>
An_Object := Utc.Create (Condition_15);
when 16 =>
An_Object := Utc.Create (Condition_16);
when 17 =>
An_Object := Utc.Create (Condition_17);
when 18 =>
An_Object := Utc.Create (Condition_18);
when 19 =>
An_Object := Utc.Create (Condition_19);
when 20 =>
An_Object := Utc.Create (Condition_20);
when 21 =>
An_Object := Utc.Create (Condition_21);
when 22 =>
An_Object := Utc.Create (Condition_22);
when 23 =>
An_Object := Utc.Create (Condition_23);
when 24 =>
An_Object := Utc.Create (Condition_24);
when 25 =>
An_Object := Utc.Create (Condition_25);
when 26 =>
An_Object := Utc.Create (Condition_26);
when 27 =>
An_Object := Utc.Create (Condition_27);
when 28 =>
An_Object := Utc.Create (Condition_28);
when 29 =>
An_Object := Utc.Create (Condition_29);
when 30 =>
An_Object := Utc.Create (Condition_30);
when others =>
null;
end case;
end if;
declare
A_Tuple_Collection : constant Tuple_Collection.Object :=
Utc.Get (An_Object);
begin
if Debugger_On then
if For_Rule /= Context.Null_Rule and then
Debugger.Is_Debugged (Debugger.Condition_Evalued) then
Debugger.Send_Condition_Evalued
(In_Context => Local_Context,
With_Rule => For_Rule,
Result => Tuple_Collection.Is_Not_Null
(A_Tuple_Collection),
Facts => A_Tuple_Collection);
end if;
end if;
Utc.Free (An_Object);
return A_Tuple_Collection;
end;
end Evaluate_Tuple_Collection;
------------------------------------------------------------------------------
procedure Execute_Tuple (For_Tuple : Tuple.Object;
For_Rule : Context.Rule_Id) is
begin
case For_Rule is
when 1 =>
Action_1 (For_Tuple);
when 2 =>
Action_2 (For_Tuple);
when 3 =>
Action_3 (For_Tuple);
when 4 =>
Action_4 (For_Tuple);
when 5 =>
Action_5 (For_Tuple);
when 6 =>
Action_6 (For_Tuple);
when 7 =>
Action_7 (For_Tuple);
when 8 =>
Action_8 (For_Tuple);
when 9 =>
Action_9 (For_Tuple);
when 10 =>
Action_10 (For_Tuple);
when 11 =>
Action_11 (For_Tuple);
when 12 =>
Action_12 (For_Tuple);
when 13 =>
Action_13 (For_Tuple);
when 14 =>
Action_14 (For_Tuple);
when 15 =>
Action_15 (For_Tuple);
when 16 =>
Action_16 (For_Tuple);
when 17 =>
Action_17 (For_Tuple);
when 18 =>
Action_18 (For_Tuple);
when 19 =>
Action_19 (For_Tuple);
when 20 =>
Action_20 (For_Tuple);
when 21 =>
Action_21 (For_Tuple);
when 22 =>
Action_22 (For_Tuple);
when 23 =>
Action_23 (For_Tuple);
when 24 =>
Action_24 (For_Tuple);
when 25 =>
Action_25 (For_Tuple);
when 26 =>
Action_26 (For_Tuple);
when 27 =>
Action_27 (For_Tuple);
when 28 =>
Action_28 (For_Tuple);
when 29 =>
Action_29 (For_Tuple);
when 30 =>
Action_30 (For_Tuple);
when others =>
null;
end case;
if Debugger_On then
if For_Rule /= Context.Null_Rule and then
(Debugger.Is_Debugged (Debugger.Choosed_Action) or
Debugger.Is_Debugged (Debugger.Action_Fact)) then
Debugger.Send_Choosed_Action (In_Context => Local_Context,
The_Rule => For_Rule,
The_Fact => For_Tuple);
end if;
Debugger.Send_New_Step;
if For_Rule = Context.Null_Rule then
Debugger.Send_Failed;
end if;
end if;
end Execute_Tuple;
------------------------------------------------------------------------------
function Lex_Or_Mea_Infer return Boolean is
First_Tuple : Boolean := True;
Date_1, Date_2 : Date.Reference;
A_Reference_1, A_Reference_2 : Instance.Reference;
begin
Current_Rule := 0;
for I in 1 .. Used_Rules loop
for J in 1 .. Tuple_Collection.Cardinality
(Evaluate_Tuple_Collection
(Context.Rule_Id (I))) loop
A_Tuple :=
Tuple_Collection.Get
(Evaluate_Tuple_Collection (Context.Rule_Id (I)), J);
if First_Tuple then
Current_Tuple := A_Tuple;
Sortdate (A_Tuple);
Current_Tuple_Sort := A_Tuple;
Current_Rule := Context.Rule_Id (I);
First_Tuple := False;
else
Tuple.Split (A_Tuple, A_Reference_1);
Tuple.Split (Current_Tuple, A_Reference_2);
Date_1 := Class.Get (Instance.Isa (A_Reference_1),
Instance.Value (A_Reference_1));
Date_2 := Class.Get (Instance.Isa (A_Reference_2),
Instance.Value (A_Reference_2));
if Context."=" (Resolution, Context.Mea) and
Date_1 > Date_2 then
Current_Rule := Context.Rule_Id (I);
Current_Tuple := A_Tuple;
else
The_Tuple := A_Tuple;
Sortdate (A_Tuple);
for K in 1 .. Tuple.Cardinality (A_Tuple) loop
Date_1 := Class.Get
(Instance.Isa (Tuple.Get (A_Tuple, K)),
Instance.Value (Tuple.Get
(A_Tuple, K)));
Date_2 :=
Class.Get
(Instance.Isa
(Tuple.Get (Current_Tuple_Sort, K)),
Instance.Value
(Tuple.Get (Current_Tuple_Sort, K)));
if Date_1 > Date_2 then
Current_Rule := Context.Rule_Id (I);
Current_Tuple := The_Tuple;
Current_Tuple_Sort := A_Tuple;
exit;
elsif Date_1 < Date_2 then
exit;
end if;
if K = Tuple.Cardinality (Current_Tuple) then
exit;
end if;
end loop;
end if;
end if;
end loop;
end loop;
Execute_Tuple (For_Tuple => Current_Tuple, For_Rule => Current_Rule);
return Current_Rule /= Context.Null_Rule;
end Lex_Or_Mea_Infer;
------------------------------------------------------------------------------
function Lex_Or_Mea_Infer_Debug return Boolean is
First_Tuple : Boolean := True;
Date_1, Date_2 : Date.Reference;
A_Reference_1, A_Reference_2 : Instance.Reference;
begin
Debugger.Send_Conflict_Set_Started;
Current_Rule := 0;
for I in 1 .. Used_Rules loop
for J in 1 .. Tuple_Collection.Cardinality
(Evaluate_Tuple_Collection
(Context.Rule_Id (I))) loop
A_Tuple :=
Tuple_Collection.Get
(Evaluate_Tuple_Collection (Context.Rule_Id (I)), J);
if First_Tuple then
Current_Tuple := A_Tuple;
Sortdate (A_Tuple);
Current_Tuple_Sort := A_Tuple;
Current_Rule := Context.Rule_Id (I);
First_Tuple := False;
else
Tuple.Split (A_Tuple, A_Reference_1);
Tuple.Split (Current_Tuple, A_Reference_2);
Date_1 := Class.Get (Instance.Isa (A_Reference_1),
Instance.Value (A_Reference_1));
Date_2 := Class.Get (Instance.Isa (A_Reference_2),
Instance.Value (A_Reference_2));
if Context."=" (Resolution, Context.Mea) and
Date_1 > Date_2 then
Current_Rule := Context.Rule_Id (I);
Current_Tuple := A_Tuple;
else
The_Tuple := A_Tuple;
Sortdate (A_Tuple);
for K in 1 .. Tuple.Cardinality (A_Tuple) loop
Date_1 := Class.Get
(Instance.Isa (Tuple.Get (A_Tuple, K)),
Instance.Value (Tuple.Get
(A_Tuple, K)));
Date_2 :=
Class.Get
(Instance.Isa
(Tuple.Get (Current_Tuple_Sort, K)),
Instance.Value
(Tuple.Get (Current_Tuple_Sort, K)));
if Date_1 > Date_2 then
Current_Rule := Context.Rule_Id (I);
Current_Tuple := The_Tuple;
Current_Tuple_Sort := A_Tuple;
exit;
elsif Date_1 < Date_2 then
exit;
end if;
if K = Tuple.Cardinality (Current_Tuple) then
exit;
end if;
end loop;
end if;
end if;
end loop;
end loop;
Debugger.Send_Conflict_Set_Finished;
if Debugger.Is_Debugged (Debugger.Choosed_Rule) or
Debugger.Is_Debugged (Debugger.Rule_Facts) then
Debugger.Send_Choosed_Rule (In_Context => Local_Context,
The_Rule => Current_Rule,
The_Fact => Current_Tuple);
end if;
Execute_Tuple (For_Tuple => Current_Tuple, For_Rule => Current_Rule);
Debugger.Send_New_Step;
return Current_Rule /= Context.Null_Rule;
end Lex_Or_Mea_Infer_Debug;
------------------------------------------------------------------------------
generic
with function Inferstrategy return Boolean;
Strategynam : String := " ??? ";
function Stepnumber (Step : Natural) return Boolean;
function Stepnumber (Step : Natural) return Boolean is
A_Step : Boolean;
begin
if Debugger_On then
Debugger.Send_Strategy_Used (With_Name => Resolution);
end if;
if Step = Instance.Any then
loop
A_Step := Inferstrategy;
exit when not A_Step;
end loop;
else
for I in 1 .. Step loop
A_Step := Inferstrategy;
exit when not A_Step;
end loop;
end if;
return A_Step;
end Stepnumber;
function Lex_Or_Mea_Strategy is new Stepnumber (Lex_Or_Mea_Infer, "///");
function Lex_Or_Mea_Strategy_Debug is
new Stepnumber (Lex_Or_Mea_Infer_Debug, "///");
function Inference (Step : Natural := 1) return Boolean is
begin
if Context."=" (Resolution, Context.Lex) or
Context."=" (Resolution, Context.Mea) then
if Debugger_On then
Debugger.Send_Context_Entered (Local_Context);
return Lex_Or_Mea_Strategy_Debug (Step);
else
return Lex_Or_Mea_Strategy (Step);
end if;
else
raise Illegal_Strategy;
end if;
end Inference;
begin
Local_Context := Context.Create (With_Name => Context_Name);
Context.Add (In_Context => Local_Context,
The_Rule => 1,
With_Name => Name_1);
Context.Add (In_Context => Local_Context,
The_Rule => 2,
With_Name => Name_2);
Context.Add (In_Context => Local_Context,
The_Rule => 3,
With_Name => Name_3);
Context.Add (In_Context => Local_Context,
The_Rule => 4,
With_Name => Name_4);
Context.Add (In_Context => Local_Context,
The_Rule => 5,
With_Name => Name_5);
Context.Add (In_Context => Local_Context,
The_Rule => 6,
With_Name => Name_6);
Context.Add (In_Context => Local_Context,
The_Rule => 7,
With_Name => Name_7);
Context.Add (In_Context => Local_Context,
The_Rule => 8,
With_Name => Name_8);
Context.Add (In_Context => Local_Context,
The_Rule => 9,
With_Name => Name_9);
Context.Add (In_Context => Local_Context,
The_Rule => 10,
With_Name => Name_10);
Context.Add (In_Context => Local_Context,
The_Rule => 11,
With_Name => Name_11);
Context.Add (In_Context => Local_Context,
The_Rule => 12,
With_Name => Name_12);
Context.Add (In_Context => Local_Context,
The_Rule => 13,
With_Name => Name_13);
Context.Add (In_Context => Local_Context,
The_Rule => 14,
With_Name => Name_14);
Context.Add (In_Context => Local_Context,
The_Rule => 15,
With_Name => Name_15);
Context.Add (In_Context => Local_Context,
The_Rule => 16,
With_Name => Name_16);
Context.Add (In_Context => Local_Context,
The_Rule => 17,
With_Name => Name_17);
Context.Add (In_Context => Local_Context,
The_Rule => 18,
With_Name => Name_18);
Context.Add (In_Context => Local_Context,
The_Rule => 19,
With_Name => Name_19);
Context.Add (In_Context => Local_Context,
The_Rule => 20,
With_Name => Name_20);
Context.Add (In_Context => Local_Context,
The_Rule => 21,
With_Name => Name_21);
Context.Add (In_Context => Local_Context,
The_Rule => 22,
With_Name => Name_22);
Context.Add (In_Context => Local_Context,
The_Rule => 23,
With_Name => Name_23);
Context.Add (In_Context => Local_Context,
The_Rule => 24,
With_Name => Name_24);
Context.Add (In_Context => Local_Context,
The_Rule => 25,
With_Name => Name_25);
Context.Add (In_Context => Local_Context,
The_Rule => 26,
With_Name => Name_26);
Context.Add (In_Context => Local_Context,
The_Rule => 27,
With_Name => Name_27);
Context.Add (In_Context => Local_Context,
The_Rule => 28,
With_Name => Name_28);
Context.Add (In_Context => Local_Context,
The_Rule => 29,
With_Name => Name_29);
Context.Add (In_Context => Local_Context,
The_Rule => 30,
With_Name => Name_30);
if Debugger_On then
Debugger.Reset_Debug (Mode => Debugger.Text);
Debugger.Set_Debug_On (Item => Debugger.Context_Entered);
Debugger.Send_Context_Entered (With_Number => Local_Context);
end if;
end Engine_Lex_Mea;