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Diffstat (limited to 'gcc-4.4.3/gcc/ada/a-ststio.ads')
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diff --git a/gcc-4.4.3/gcc/ada/a-ststio.ads b/gcc-4.4.3/gcc/ada/a-ststio.ads deleted file mode 100644 index 63a5e8000..000000000 --- a/gcc-4.4.3/gcc/ada/a-ststio.ads +++ /dev/null @@ -1,221 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- A D A . S T R E A M S . S T R E A M _ I O -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- --- -- --- This specification is derived from the Ada Reference Manual for use with -- --- GNAT. The copyright notice above, and the license provisions that follow -- --- apply solely to the contents of the part following the private keyword. -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - -with Ada.IO_Exceptions; -with System.File_Control_Block; - -package Ada.Streams.Stream_IO is - - type Stream_Access is access all Root_Stream_Type'Class; - - type File_Type is limited private; - - type File_Mode is (In_File, Out_File, Append_File); - - -- The following representation clause allows the use of unchecked - -- conversion for rapid translation between the File_Mode type - -- used in this package and System.File_IO. - - for File_Mode use - (In_File => 0, -- System.File_IO.File_Mode'Pos (In_File) - Out_File => 2, -- System.File_IO.File_Mode'Pos (Out_File) - Append_File => 3); -- System.File_IO.File_Mode'Pos (Append_File) - - type Count is new Stream_Element_Offset - range 0 .. Stream_Element_Offset'Last; - - subtype Positive_Count is Count range 1 .. Count'Last; - -- Index into file, in stream elements - - --------------------- - -- File Management -- - --------------------- - - procedure Create - (File : in out File_Type; - Mode : File_Mode := Out_File; - Name : String := ""; - Form : String := ""); - - procedure Open - (File : in out File_Type; - Mode : File_Mode; - Name : String; - Form : String := ""); - - procedure Close (File : in out File_Type); - procedure Delete (File : in out File_Type); - procedure Reset (File : in out File_Type; Mode : File_Mode); - procedure Reset (File : in out File_Type); - - function Mode (File : File_Type) return File_Mode; - function Name (File : File_Type) return String; - function Form (File : File_Type) return String; - - function Is_Open (File : File_Type) return Boolean; - function End_Of_File (File : File_Type) return Boolean; - - function Stream (File : File_Type) return Stream_Access; - - ----------------------------- - -- Input-Output Operations -- - ----------------------------- - - procedure Read - (File : File_Type; - Item : out Stream_Element_Array; - Last : out Stream_Element_Offset; - From : Positive_Count); - - procedure Read - (File : File_Type; - Item : out Stream_Element_Array; - Last : out Stream_Element_Offset); - - procedure Write - (File : File_Type; - Item : Stream_Element_Array; - To : Positive_Count); - - procedure Write - (File : File_Type; - Item : Stream_Element_Array); - - ---------------------------------------- - -- Operations on Position within File -- - ---------------------------------------- - - procedure Set_Index (File : File_Type; To : Positive_Count); - - function Index (File : File_Type) return Positive_Count; - function Size (File : File_Type) return Count; - - procedure Set_Mode (File : in out File_Type; Mode : File_Mode); - - -- Note: The parameter file is IN OUT in the RM, but this is clearly - -- an oversight, and was intended to be IN, see AI95-00057. - - procedure Flush (File : File_Type); - - ---------------- - -- Exceptions -- - ---------------- - - Status_Error : exception renames IO_Exceptions.Status_Error; - Mode_Error : exception renames IO_Exceptions.Mode_Error; - Name_Error : exception renames IO_Exceptions.Name_Error; - Use_Error : exception renames IO_Exceptions.Use_Error; - Device_Error : exception renames IO_Exceptions.Device_Error; - End_Error : exception renames IO_Exceptions.End_Error; - Data_Error : exception renames IO_Exceptions.Data_Error; - -private - - -- The following procedures have a File_Type formal of mode IN OUT because - -- they may close the original file. The Close operation may raise an - -- exception, but in that case we want any assignment to the formal to - -- be effective anyway, so it must be passed by reference (or the caller - -- will be left with a dangling pointer). - - pragma Export_Procedure - (Internal => Close, - External => "", - Mechanism => Reference); - pragma Export_Procedure - (Internal => Delete, - External => "", - Mechanism => Reference); - pragma Export_Procedure - (Internal => Reset, - External => "", - Parameter_Types => (File_Type), - Mechanism => Reference); - pragma Export_Procedure - (Internal => Reset, - External => "", - Parameter_Types => (File_Type, File_Mode), - Mechanism => (File => Reference)); - pragma Export_Procedure - (Internal => Set_Mode, - External => "", - Mechanism => (File => Reference)); - - package FCB renames System.File_Control_Block; - - ----------------------------- - -- Stream_IO Control Block -- - ----------------------------- - - type Operation is (Op_Read, Op_Write, Op_Other); - -- Type used to record last operation (to optimize sequential operations) - - type Stream_AFCB is new FCB.AFCB with record - Index : Count := 1; - -- Current Index value - - File_Size : Stream_Element_Offset := -1; - -- Cached value of File_Size, so that we do not keep recomputing it - -- when not necessary (otherwise End_Of_File becomes gruesomely slow). - -- A value of minus one means that there is no cached value. - - Last_Op : Operation := Op_Other; - -- Last operation performed on file, used to avoid unnecessary - -- repositioning between successive read or write operations. - - Update_Mode : Boolean := False; - -- Set if the mode is changed from write to read or vice versa. - -- Indicates that the file has been reopened in update mode. - - end record; - - type File_Type is access all Stream_AFCB; - - function AFCB_Allocate (Control_Block : Stream_AFCB) return FCB.AFCB_Ptr; - - procedure AFCB_Close (File : not null access Stream_AFCB); - procedure AFCB_Free (File : not null access Stream_AFCB); - - procedure Read - (File : in out Stream_AFCB; - Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset); - -- Read operation used when Stream_IO file is treated directly as Stream - - procedure Write - (File : in out Stream_AFCB; - Item : Ada.Streams.Stream_Element_Array); - -- Write operation used when Stream_IO file is treated directly as Stream - -end Ada.Streams.Stream_IO; |