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pragma Unreferenced (Field_List);
use Ada.Strings.Fixed;
begin
-- Visitor pattern.
IO.New_Line (Spec_File);
IO.Put_Line (Spec_File, " procedure Accept_Visitor (Self : "
& Class_Name & "; V : in out Visitors.Visitor'Class) with");
IO.Put_Line (Spec_File, " Global => (Input => State);");
IO.New_Line (Body_File);
IO.Put_Line (Body_File, " overriding procedure Accept_Visitor (Self : "
& Class_Name & "; V : in out Visitors.Visitor'Class) is");
IO.Put_Line (Body_File, " begin");
IO.Put_Line (Body_File, " V.Visit_" & Class_Name & "_" & Base_Name & " (Self);");
IO.Put_Line (Body_File, " end Accept_Visitor;");
end Define_Subprogram;
procedure Define_Type (Spec_File, Body_File : IO.File_Type;
Base_Name, Class_Name, Field_List : String) is
use Ada.Strings.Fixed;
procedure Define_Accessor (Field_Name, Type_Name : String; Last : Boolean);
procedure Define_Parameter_Body (Field_Name, Type_Name : String; Last : Boolean);
procedure Define_Parameter_Spec (Field_Name, Type_Name : String; Last : Boolean);
procedure Initialize_Field (Field_Name, Type_Name : String; Last : Boolean);
procedure Define_Accessor (Field_Name, Type_Name : String; Last : Boolean) is
pragma Unreferenced (Last);
begin
IO.Put (Spec_File, " function Get_" & Field_Name & " (Self : "
& Class_Name & ") return " & Type_Name);
if Type_Name = Base_Name & "_Handle" then
IO.Put_Line (Spec_File, " with");
IO.Put_Line (Spec_File, " Post => Is_Valid (Get_" & Field_Name & "'Result);");
else
IO.Put_Line (Spec_File, ";");
end if;
IO.New_Line (Body_File);
IO.Put_Line (Body_File, " function Get_" & Field_Name & " (Self : "
& Class_Name & ") return " & Type_Name & " is");
IO.Put_Line (Body_File, " begin");
IO.Put_Line (Body_File, " return Self." & Field_Name & ";");
IO.Put_Line (Body_File, " end Get_" & Field_Name & ";");
end Define_Accessor;
procedure Define_Parameter_Body (Field_Name, Type_Name : String; Last : Boolean) is
begin
IO.Put (Body_File, "My_" & Field_Name & " : " & Type_Name);
if not Last then
IO.Put (Body_File, "; ");
end if;
end Define_Parameter_Body;
procedure Define_Parameter_Spec (Field_Name, Type_Name : String; Last : Boolean) is
begin
IO.Put (Spec_File, "My_" & Field_Name & " : " & Type_Name);
if not Last then
IO.Put (Spec_File, "; ");
end if;
end Define_Parameter_Spec;
procedure Initialize_Field (Field_Name, Type_Name : String; Last : Boolean) is
pragma Unreferenced (Type_Name, Last);
begin
IO.Put_Line (Body_File, " E." & Field_Name & " := My_" & Field_Name & ";");
end Initialize_Field;
procedure Iterate_Accessors is new Iterate_Fields (Define_Accessor);
procedure Iterate_Initialization is new Iterate_Fields (Initialize_Field);
procedure Iterate_Parameters_Body is new Iterate_Fields (Define_Parameter_Body);
procedure Iterate_Parameters_Spec is new Iterate_Fields (Define_Parameter_Spec);
begin
IO.Put_Line (Spec_File, "");
IO.Put_Line (Spec_File, " type " & Class_Name & " is new " & Base_Name & " with private;");
Iterate_Accessors (Field_List);
IO.Put (Spec_File, " procedure Create_" & Class_Name & " (");
IO.New_Line (Body_File);
IO.Put (Body_File, " procedure Create_" & Class_Name & " (");
Iterate_Parameters_Spec (Field_List);
IO.Put_Line (Spec_File, "; Result : out " & Base_Name & "_Handle);");
Iterate_Parameters_Body (Field_List);
IO.Put_Line (Body_File, "; Result : out " & Base_Name & "_Handle) is");
IO.Put_Line (Body_File, " E : " & Class_Name & ";");
IO.Put_Line (Body_File, " Success : Boolean;");
IO.Put_Line (Body_File, " begin");
Iterate_Initialization (Field_List);
IO.Put_Line (Body_File, " Store (E, Result, Success);");
IO.Put_Line (Body_File, " end Create_" & Class_Name & ";");
end Define_Type;
procedure Define_Visitor (Spec_File, Body_File : IO.File_Type; Base_Name : String; Types : String_Array) is
begin
IO.Put_Line (Spec_File, " package Visitors is");
IO.Put_Line (Spec_File, " type Visitor is tagged null record;");
IO.Put_Line (Body_File, " package body Visitors is");
for The_Type of Types loop