92 lines
3.1 KiB
Ada
92 lines
3.1 KiB
Ada
|
|
with H2.Scheme;
|
|
with H2.Pool;
|
|
with Storage;
|
|
with Stream;
|
|
with Ada.Text_IO;
|
|
with Ada.Unchecked_Deallocation;
|
|
|
|
procedure scheme is
|
|
--package S renames H2.Scheme;
|
|
--package S is new H2.Scheme (Wide_Character, Wide_String);
|
|
package S renames Stream.S;
|
|
|
|
Pool: aliased Storage.Global_Pool;
|
|
SI: S.Interpreter_Record;
|
|
|
|
I: S.Object_Pointer;
|
|
O: S.Object_Pointer;
|
|
|
|
--String: aliased S.Object_String := "(car '(1 2 3))";
|
|
String: aliased constant S.Object_Character_Array := "((lambda (x y) (+ x y)) 9 7)";
|
|
String_Stream: Stream.String_Input_Stream_Record (String'Unchecked_Access);
|
|
--String_Stream: Stream.String_Input_Stream_Record := (Len => String'Length, Str => String, Pos => 0);
|
|
|
|
|
|
--File_Name: aliased S.Object_Character_Array := "test.adb";
|
|
File_Name: aliased constant S.Object_Character_Array := "test.scm";
|
|
--File_Stream: Stream.File_Stream_Record (File_Name'Unchecked_Access);
|
|
--File_Stream: Stream.File_Stream_Record := (Name => File_Name'Unchecked_Access);
|
|
File_Stream: Stream.File_Stream_Record;
|
|
|
|
begin
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(S.Object_Pointer_Bytes));
|
|
|
|
S.Open (SI, 2_000_000, Pool'Unchecked_Access);
|
|
--S.Open (SI, null);
|
|
|
|
-- Specify the named stream handler
|
|
S.Set_Option (SI, (S.Stream_Option,
|
|
Stream.Allocate_Stream'Access,
|
|
Stream.Deallocate_Stream'Access)
|
|
);
|
|
|
|
File_Stream.Name := File_Name'Unchecked_Access;
|
|
begin
|
|
S.Set_Input_Stream (SI, File_Stream); -- specify main input stream
|
|
--S.Set_Input_Stream (SI, String_Stream);
|
|
exception
|
|
when others =>
|
|
Ada.Text_IO.Put_Line ("Cannot open Input Stream");
|
|
end;
|
|
--S.Set_Output_Stream (SI, Stream); -- specify main output stream.
|
|
|
|
Ada.Text_IO.Put_Line ("-------------------------------------------");
|
|
S.Run_Loop (SI, I);
|
|
S.Print (SI, I);
|
|
S.Close (SI);
|
|
|
|
declare
|
|
subtype x is S.Object_Record (S.Moved_Object, 0);
|
|
subtype y is S.Object_Record (S.Pointer_Object, 1);
|
|
subtype z is S.Object_Record (S.Character_Object, 1);
|
|
subtype q is S.Object_Record (S.Byte_Object, 1);
|
|
a: x;
|
|
b: y;
|
|
c: z;
|
|
d: q;
|
|
w: S.Object_Word;
|
|
begin
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(w'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(S.Object_Word'Size));
|
|
Ada.Text_IO.Put_Line ("------");
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(x'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(y'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(z'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(q'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(x'Max_Size_In_Storage_Elements));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(y'Max_Size_In_Storage_Elements));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(z'Max_Size_In_Storage_Elements));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(q'Max_Size_In_Storage_Elements));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(a'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(b'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(c'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Word'Image(c'Size));
|
|
Ada.Text_Io.Put_Line (S.Object_Integer'Image(S.Object_Integer'First));
|
|
Ada.Text_Io.Put_Line (S.Object_Integer'Image(S.Object_Integer'Last));
|
|
end;
|
|
|
|
Ada.Text_IO.Put_Line ("BYE...");
|
|
|
|
end scheme;
|