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top - downloadIndex: ┃ B T ┃
Length: 21645 (0x548d)
Types: TextFile
Names: »B«
└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
└─ ⟦129cab021⟧ »DATA«
└─⟦this⟧
with Class_Integer;
with Class_Printer;
with Class_Window;
with Block;
with Bounded_String;
with Easy_Y;
with Elementary_Functions;
with Message;
with String_Utilities;
with Bug_Report;
package body Class_Turtle is
function Send (This_Message : Message.Unary; To : Object.Reference)
return Object.Reference is
type E_Message is (Tafenetre, Rentrecheztoi, Levetaplume,
Baissetaplume, Tonx, Tony, Tonangle,
Tonepaisseur, Dupliquetoi, Detruistoi, Entexte);
Token : E_Message;
package Bs renames Bounded_String;
begin
Token := E_Message'Value (Bs.Image
(Message.Get (Name_From => This_Message)));
case Token is
when Tafenetre =>
return Object.Create
(Object.Window_Class,
Table (Object.Get (Index_From => To)).Fenetre);
when Rentrecheztoi =>
Table (Object.Get (To)).X := 0;
Table (Object.Get (To)).Y := 0;
Table (Object.Get (To)).Angle := 0;
Table (Object.Get (To)).Epaisseur := 1;
Table (Object.Get (To)).Plume := Etat'(Baissee);
return To;
when Levetaplume =>
Table (Object.Get (To)).Plume := Etat'(Levee);
return To;
when Baissetaplume =>
Table (Object.Get (To)).Plume := Etat'(Baissee);
return To;
when Tonx =>
return Class_Integer.Create (Object.Index
(Table (Object.Get (To)).X));
when Tony =>
return Class_Integer.Create (Object.Index
(Table (Object.Get (To)).Y));
when Tonangle =>
return Class_Integer.Create
(Object.Index (Table (Object.Get (To)).Angle));
when Tonepaisseur =>
return Class_Integer.Create
(Object.Index (Table (Object.Get (To)).Epaisseur));
when Dupliquetoi =>
return Create (To);
when Detruistoi =>
return Object.Void_Reference;
when Entexte =>
Put (To);
return To;
end case;
exception
when Constraint_Error =>
raise Bug_Report.Unknown_Unary_Message;
end Send;
function Send (This_Message : Message.Binary; To : Object.Reference)
return Object.Reference is
begin
raise Bug_Report.Unknown_Binary_Message;
return Object.Void_Reference;
end Send;
function Send (This_Message : Message.Keyword; To : Object.Reference)
return Object.Reference is
type E_Message is (Tonx, Tony, Tafenetre, Avance, Recule, Tonepaisseur,
Tonangle, Agauche, Adroite, Vaenx, Y);
Token : E_Message;
package Bs renames Bounded_String;
use Elementary_Functions;
use Object;
Pi : Float := 3.141592654;
Mess : Message.Keyword := This_Message;
Dx, Dy : Object.Index;
begin
Message.Init (This => Mess);
while not Message.Is_Done_Name (Mess) loop
Token := E_Message'Value (Bs.Image
(Message.Get (Name_From => Mess)));
case Token is
when Tafenetre =>
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Window_Class then
Table (Object.Get (Index_From => To)).Fenetre :=
Object.Get (Index_From =>
Message.Get (Argument_From => Mess));
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Tonx =>
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).X :=
Object.Get (Index_From =>
Message.Get (Argument_From => Mess));
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Tony =>
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).Y :=
Object.Get (Index_From =>
Message.Get (Argument_From => Mess));
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Avance =>
Easy_Y.Set_Display
(Class_Window.Get
(Index => Table (Object.Get (Index_From => To)).
Fenetre));
Dx := Object.Index
(Table (Object.Get (Index_From => To)).X);
Dy := Object.Index
(Table (Object.Get (Index_From => To)).Y);
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).X :=
Table (Object.Get (Index_From => To)).X +
Object.Index
(Float (Object.Get
(Index_From =>
Message.Get
(Argument_From => Mess))) *
Elementary_Functions.Cos
(Float (Table
(Object.Get (Index_From => To)).
Angle) /
180.0 * Pi));
Table (Object.Get (Index_From => To)).Y :=
Table (Object.Get (Index_From => To)).Y +
Object.Index
(Float (Object.Get
(Index_From =>
Message.Get
(Argument_From => Mess))) *
Elementary_Functions.Sin
(Float (Table
(Object.Get (Index_From => To)).
Angle) /
180.0 * Pi));
if Table (Object.Get (Index_From => To)).Plume =
Etat'(Baissee) then
Easy_Y.Put_Size
(Size => Table (Object.Get (Index_From => To)).
Epaisseur);
Easy_Y.Line (Dx, Dy,
Object.Index
(Table (Object.Get
(Index_From => To)).X),
Object.Index
(Table (Object.Get
(Index_From => To)).Y));
end if;
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Recule =>
Easy_Y.Set_Display
(Class_Window.Get
(Index => Table (Object.Get (Index_From => To)).
Fenetre));
Dx := Object.Index
(Table (Object.Get (Index_From => To)).X);
Dy := Object.Index
(Table (Object.Get (Index_From => To)).Y);
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).X :=
Table (Object.Get (Index_From => To)).X -
Object.Index
(Float (Object.Get
(Index_From =>
Message.Get
(Argument_From => Mess))) *
Elementary_Functions.Cos
(Float (Table
(Object.Get (Index_From => To)).
Angle) /
180.0 * Pi));
Table (Object.Get (Index_From => To)).Y :=
Table (Object.Get (Index_From => To)).Y -
Object.Index
(Float (Object.Get
(Index_From =>
Message.Get
(Argument_From => Mess))) *
Elementary_Functions.Sin
(Float (Table
(Object.Get (Index_From => To)).
Angle) /
180.0 * Pi));
if Table (Object.Get (Index_From => To)).Plume =
Etat'(Baissee) then
Easy_Y.Put_Size
(Size => Table (Object.Get (Index_From => To)).
Epaisseur);
Easy_Y.Line (Dx, Dy,
Object.Index
(Table (Object.Get
(Index_From => To)).X),
Object.Index
(Table (Object.Get
(Index_From => To)).Y));
end if;
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Tonepaisseur =>
if Object.Get
(Class_From => Message.Get (Argument_From => Mess)) =
Object.Integer_Class and then
Object.Get
(Index_From => Message.Get (Argument_From => Mess)) >
0 then
Table (Object.Get (Index_From => To)).Epaisseur :=
Object.Get (Index_From =>
Message.Get (Argument_From => Mess));
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Tonangle =>
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).Angle :=
Object.Get (Index_From =>
Message.Get (Argument_From => Mess));
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Adroite =>
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).Angle :=
Table (Object.Get (Index_From => To)).Angle +
Object.Get (Index_From =>
Message.Get
(Argument_From => Mess));
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Agauche =>
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).Angle :=
Table (Object.Get (Index_From => To)).Angle -
Object.Get (Index_From =>
Message.Get
(Argument_From => Mess));
else
raise Bug_Report.Turtle_Bad_Type;
end if;
when Vaenx =>
Easy_Y.Set_Display
(Class_Window.Get
(Index => Table (Object.Get (Index_From => To)).
Fenetre));
Dx := Object.Index
(Table (Object.Get (Index_From => To)).X);
Dy := Object.Index
(Table (Object.Get (Index_From => To)).Y);
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).X :=
Object.Get (Index_From =>
Message.Get (Argument_From => Mess));
Message.Next (Mess);
if not Message.Is_Done (Mess) then
if Bs.Image (Message.Get (Name_From => Mess)) =
"Y" then
if Object.Get
(Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).Y :=
Object.Get
(Index_From =>
Message.Get
(Argument_From => Mess));
if Table (Object.Get (Index_From => To)).
Plume = Etat'(Baissee) then
Easy_Y.Line
(Dx, Dy,
Object.Index
(Table (Object.Get
(Index_From => To)).
X),
Object.Index
(Table (Object.Get
(Index_From => To)).
Y));
end if;
else
raise Bug_Report.Turtle_Bad_Type;
end if;
end if;
else
raise Bug_Report.Turtle_Bad_Type;
end if;
end if;
when Y =>
Easy_Y.Set_Display
(Class_Window.Get
(Index => Table (Object.Get (Index_From => To)).
Fenetre));
Dx := Object.Index
(Table (Object.Get (Index_From => To)).X);
Dy := Object.Index
(Table (Object.Get (Index_From => To)).Y);
if Object.Get (Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).Y :=
Object.Get (Index_From =>
Message.Get (Argument_From => Mess));
Message.Next (Mess);
if not Message.Is_Done (Mess) then
if Bs.Image (Message.Get (Name_From => Mess)) =
"VaEnX" then
if Object.Get
(Class_From =>
Message.Get (Argument_From => Mess)) =
Object.Integer_Class then
Table (Object.Get (Index_From => To)).X :=
Object.Get
(Index_From =>
Message.Get
(Argument_From => Mess));
if Table (Object.Get (Index_From => To)).
Plume = Etat'(Baissee) then
Easy_Y.Line
(Dx, Dy,
Object.Index
(Table (Object.Get
(Index_From => To)).
X),
Object.Index
(Table (Object.Get
(Index_From => To)).
Y));
end if;
else
raise Bug_Report.Turtle_Bad_Type;
end if;
end if;
else
raise Bug_Report.Turtle_Bad_Type;
end if;
end if;
end case;
Message.Next (Mess);
end loop;
return To;
exception
when Constraint_Error =>
raise Bug_Report.Unknown_Keyword_Message;
end Send;
function Create (From : Object.Reference) return Object.Reference is
use Object;
begin
Last := Last + 1;
Table (Last) := Table (Object.Get (From));
return Object.Create (Class => Object.Turtle_Class, Object => Last);
exception
when Constraint_Error =>
raise Bug_Report.Full_Turtle_Table;
end Create;
procedure Create is
use Object;
Node : Block.Node := Block.Get_Current_Node;
begin
Last := Last + 1;
Block.Put_Into_Table
(This_Object => Object.Create
(Class => Object.Turtle_Class, Object => Last),
Named => Bounded_String.Value ("tortue", 80),
Into_Block => Node);
exception
when Constraint_Error =>
raise Bug_Report.Full_Turtle_Table;
end Create;
procedure Put (An_Object : Object.Reference) is
begin
Class_Printer.Put ("Objet Tortue {");
Class_Printer.Forward (4);
Class_Printer.New_Line;
Class_Printer.Put ("Numero => " &
Object.Index'Image (Object.Get (An_Object)));
Class_Printer.New_Line;
Class_Printer.Put ("X => " & Object.Index'Image
(Table (Object.Get (An_Object)).X));
Class_Printer.New_Line;
Class_Printer.Put ("Y => " & Object.Index'Image
(Table (Object.Get (An_Object)).Y));
Class_Printer.New_Line;
Class_Printer.Put ("Angle => " &
Object.Index'Image
(Table (Object.Get (An_Object)).Angle));
Class_Printer.New_Line;
Class_Printer.Put ("Plume => " &
Class_Turtle.Etat'Image
(Table (Object.Get (An_Object)).Plume));
Class_Printer.New_Line;
Class_Printer.Put ("Fenetre => ");
Class_Printer.New_Line;
Class_Printer.Forward (4);
Class_Window.Put (Object.Create
(Object.Window_Class,
Table (Object.Get (An_Object)).Fenetre));
Class_Printer.Backward (8);
Class_Printer.Put ("}");
Class_Printer.New_Line (2);
end Put;
function How_Many return Object.Index is
begin
return Last;
end How_Many;
end Class_Turtle;