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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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45
h2/cmd/stream.adb
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@ -1,3 +1,5 @@
with H2.Pool;
with Ada.Characters.Conversions;
package body Stream is
@ -5,13 +7,13 @@ package body Stream is
procedure Open (Stream: in out String_Input_Stream_Record) is
begin
Ada.Text_IO.Put_Line ("OPEN STRING STREAM");
Ada.Wide_Text_IO.Put_Line ("****** OPEN STRING STREAM ******");
Stream.Pos := 0;
end Open;
procedure Close (Stream: in out String_Input_Stream_Record) is
begin
Ada.Text_IO.Put_Line ("CLOSE STRING STREAM");
Ada.Wide_Text_IO.Put_Line ("****** CLOSE STRING STREAM ******");
Stream.Pos := Stream.Str'Last;
end Close;
@ -47,14 +49,14 @@ Ada.Text_IO.Put_Line ("CLOSE STRING STREAM");
procedure Open (Stream: in out File_Stream_Record) is
begin
Ada.Text_IO.Put_Line ("OPEN File STREAM");
Ada.Text_IO.Open (Stream.Handle, Ada.Text_IO.In_File, Stream.Name.all);
Ada.Wide_Text_IO.Put_Line (">>>>> OPEN File STREAM <<<<<");
Ada.Wide_Text_IO.Open (Stream.Handle, Ada.Wide_Text_IO.In_File, Ada.Characters.Conversions.To_String(Stream.Name.all));
end Open;
procedure Close (Stream: in out File_Stream_Record) is
begin
Ada.Text_IO.Put_Line ("CLOSE File STREAM");
Ada.Text_IO.Close (Stream.Handle);
Ada.Wide_Text_IO.Put_Line (">>>>> CLOSE File STREAM <<<<<");
Ada.Wide_Text_IO.Close (Stream.Handle);
end Close;
procedure Read (Stream: in out File_Stream_Record;
@ -63,9 +65,9 @@ Ada.Text_IO.Put_Line ("CLOSE File STREAM");
begin
for I in Data'First .. Data'Last loop
begin
Ada.Text_IO.Get_Immediate (Stream.Handle, Data(I));
Ada.Wide_Text_IO.Get_Immediate (Stream.Handle, Data(I));
exception
when Ada.Text_IO.End_Error =>
when Ada.Wide_Text_IO.End_Error =>
Last := I - 1;
return;
-- other exceptions must be just raised to indicate errors
@ -84,4 +86,31 @@ Ada.Text_IO.Put_Line ("CLOSE File STREAM");
------------------------------------------------------------------
procedure Allocate_Stream (Interp: in out S.Interpreter_Record;
Name: in S.Constant_Object_String_Pointer;
Result: 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 := 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;
end Stream;