65 lines
2.4 KiB
Ada
65 lines
2.4 KiB
Ada
with H2.Scheme;
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with Ada.Wide_Text_IO;
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package Stream is
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package S renames H2.Scheme;
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------------------------------------------------------------
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--type Object_String_Pointer is access all S.Object_String;
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type Object_String_Pointer is access constant S.Object_String;
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type String_Input_Stream_Record(Str: Object_String_Pointer) is new S.Stream_Record with record
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Pos: Standard.Natural := 0;
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end record;
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--type String_Input_Stream_Record(Len: Standard.Natural) is new S.Stream_Record with record
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-- Pos: Standard.Natural := 0;
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-- Str: S.Object_String (1 .. Len) := (others => ' ');
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--end record;
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procedure Open (Stream: in out String_Input_Stream_Record);
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procedure Close (Stream: in out String_Input_Stream_Record);
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procedure Read (Stream: in out String_Input_Stream_Record;
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Data: out S.Object_String;
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Last: out Standard.Natural);
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procedure Write (Stream: in out String_Input_Stream_Record;
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Data: out S.Object_String;
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Last: out Standard.Natural);
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------------------------------------------------------------
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--type File_Stream_Record(Name: Object_String_Pointer) is new S.Stream_Record with record
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-- Handle: H2.Text_IO.File_Type;
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--end record;
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type File_Stream_Record is new S.Stream_Record with record
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Name: S.Constant_Object_String_Pointer;
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Handle: Ada.Wide_Text_IO.File_Type;
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end record;
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procedure Open (Stream: in out File_Stream_Record);
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procedure Close (Stream: in out File_Stream_Record);
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procedure Read (Stream: in out File_Stream_Record;
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Data: out S.Object_String;
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Last: out Standard.Natural);
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procedure Write (Stream: in out File_Stream_Record;
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Data: out S.Object_String;
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Last: out Standard.Natural);
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------------------------------------------------------------
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procedure Allocate_Stream (Interp: in out S.Interpreter_Record;
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Name: in S.Constant_Object_String_Pointer;
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Result: out S.Stream_Pointer);
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procedure Deallocate_Stream (Interp: in out S.Interpreter_Record;
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Source: in out S.Stream_Pointer);
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--private
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-- type File_Stream_Record is new S.Stream_Record with record
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-- Name: S.Constant_Object_String_Pointer;
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-- Handle: Ada.Wide_Text_IO.File_Type;
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-- end record;
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end Stream;
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