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added some input procedures

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hyung-hwan
2014-01-01 14:07:03 +00:00
parent 3721e3c1a6
commit 30990c3aa8
6 changed files with 328 additions and 245 deletions
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52
h2/cmd/scheme.adb
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@ -15,57 +15,34 @@ procedure scheme is
O: S.Object_Pointer;
--String: aliased S.Object_String := "(car '(1 2 3))";
String: aliased S.Object_String := "((lambda (x y) (+ x y)) 9 7)";
String: aliased constant S.Object_String := "((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_String := "test.adb";
--File_Name: aliased S.Object_String := "test.adb";
File_Name: aliased constant S.Object_String := "test.adb";
--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;
procedure Allocate_Stream (Interp: in out S.Interpreter_Record;
Name: access S.Object_String;
Result: in out S.Stream_Pointer) is
subtype FSR is Stream.File_Stream_Record;
type FSP is access all FSR;
package P is new H2.Pool (FSR, FSP);
X: FSP;
for X'Address use Result'Address;
pragma Import (Ada, X);
begin
X := P.Allocate (S.Get_Storage_Pool(Interp));
X.Name := Stream.Object_String_Pointer(Name);
end Allocate_Stream;
procedure Deallocate_Stream (Interp: in out S.Interpreter_Record;
Source: in out S.Stream_Pointer) is
subtype FSR is Stream.File_Stream_Record;
type FSP is access all FSR;
package P is new H2.Pool (FSR, FSP);
X: FSP;
for X'Address use Source'Address;
pragma Import (Ada, X);
begin
P.Deallocate (X, S.Get_Storage_Pool(Interp));
end Deallocate_Stream;
-- --procedure Dealloc_Stream is new Ada.Unchecked_Deallocation (Stream_Record'Class, Stream_Pointer);
-- --procedure Destroy_Stream (Stream: in out Stream_Pointer) renames Dealloc_Stream;
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);
File_Stream.Name := File_Name'Unchecked_Access;
S.Set_Input_Stream (SI, File_Stream); -- specify main input stream
--S.Set_Output_Stream (SI, Stream); -- specify main output stream.
-- 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;
S.Set_Input_Stream (SI, File_Stream); -- specify main input stream
--S.Set_Input_Stream (SI, String_Stream);
--S.Set_Output_Stream (SI, Stream); -- specify main output stream.
S.Read (SI, I);
S.Make_Test_Object (SI, I);
@ -107,5 +84,4 @@ S.Print (SI, O);
Ada.Text_IO.Put_Line ("BYE...");
end scheme;