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-------------------------------------------------------------------------------
-- (C) Altran Praxis Limited
-------------------------------------------------------------------------------
--
-- The SPARK toolset is free software; you can redistribute it and/or modify it
-- under terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 3, or (at your option) any later
-- version. The SPARK toolset is distributed in the hope that it will be
-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
-- Public License for more details. You should have received a copy of the GNU
-- General Public License distributed with the SPARK toolset; see file
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy of
-- the license.
--
--=============================================================================
with Debug;
with Dictionary;
with ExaminerConstants;
with Ada.Text_IO;
package body RelationAlgebra.Debug is
---------------
-- Print_Rho --
---------------
procedure Print_Rho (Msg : in String;
Rho : in RelationAlgebra.Relation;
TheHeap : in Heap.HeapRecord) is
--# hide Print_Rho;
ColIndex : Natural;
ColLdr : RelationAlgebra.ColLeader;
P : RelationAlgebra.Pair;
LaterItem : Boolean;
begin
Ada.Text_IO.Put_Line (Msg);
ColLdr := RelationAlgebra.FirstColLeader (TheHeap, Rho);
loop
exit when ColLdr = NullColLdr;
ColIndex := ColLdrIndex (TheHeap, ColLdr);
Standard.Debug.Print_Sym_Raw (Dictionary.ConvertSymbolRef (ExaminerConstants.RefType (ColIndex)));
Ada.Text_IO.Put (" <-- ");
LaterItem := False;
P := RelationAlgebra.FirstInCol (TheHeap, ColLdr);
loop
exit when P = NullPair;
if LaterItem then
Ada.Text_IO.Put (", ");
end if;
LaterItem := True;
Standard.Debug.Print_Sym_Raw
(Dictionary.ConvertSymbolRef (ExaminerConstants.RefType (RelationAlgebra.RowValue (TheHeap, P))));
P := RelationAlgebra.DownSuccr (TheHeap, P);
end loop;
Ada.Text_IO.New_Line;
ColLdr := NextColLeader (TheHeap, ColLdr);
end loop;
end Print_Rho;
--------------
-- Print_Mu --
--------------
procedure Print_Mu (Msg : in String;
Mu : in RelationAlgebra.Relation;
TheHeap : in Heap.HeapRecord) is
--# hide Print_Mu;
ColIndex : Natural;
ColLdr : ColLeader;
P : Pair;
LaterItem : Boolean;
begin
Ada.Text_IO.Put_Line (Msg);
ColLdr := FirstColLeader (TheHeap, Mu);
loop
exit when ColLdr = NullColLdr;
ColIndex := ColLdrIndex (TheHeap, ColLdr);
Standard.Debug.Print_Sym_Raw (Dictionary.ConvertSymbolRef (ExaminerConstants.RefType (ColIndex)));
Ada.Text_IO.Put (" <-- ");
LaterItem := False;
P := FirstInCol (TheHeap, ColLdr);
loop
exit when P = NullPair;
if LaterItem then
Ada.Text_IO.Put (", ");
end if;
LaterItem := True;
Ada.Text_IO.Put (Integer'Image (RowValue (TheHeap, P)));
P := DownSuccr (TheHeap, P);
end loop;
Ada.Text_IO.New_Line;
ColLdr := NextColLeader (TheHeap, ColLdr);
end loop;
end Print_Mu;
------------------
-- Print_Lambda --
------------------
procedure Print_Lambda (Msg : in String;
Lambda : in RelationAlgebra.Relation;
TheHeap : in Heap.HeapRecord) is
--# hide Print_Lambda;
ColIndex : Natural;
ColLdr : ColLeader;
P : Pair;
LaterItem : Boolean;
begin
Ada.Text_IO.Put_Line (Msg);
ColLdr := FirstColLeader (TheHeap, Lambda);
loop
exit when ColLdr = NullColLdr;
ColIndex := ColLdrIndex (TheHeap, ColLdr);
Ada.Text_IO.Put (Integer'Image (ColIndex));
Ada.Text_IO.Put (" <-- ");
LaterItem := False;
P := FirstInCol (TheHeap, ColLdr);
loop
exit when P = NullPair;
if LaterItem then
Ada.Text_IO.Put (", ");
end if;
LaterItem := True;
Standard.Debug.Print_Sym_Raw (Dictionary.ConvertSymbolRef (ExaminerConstants.RefType (RowValue (TheHeap, P))));
P := DownSuccr (TheHeap, P);
end loop;
Ada.Text_IO.New_Line;
ColLdr := NextColLeader (TheHeap, ColLdr);
end loop;
end Print_Lambda;
end RelationAlgebra.Debug;
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