216 lines
5.9 KiB
Ada
216 lines
5.9 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- O U T P U T --
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-- --
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-- B o d y --
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-- --
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-- $Revision: 1.43 $
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-- --
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-- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
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-- --
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------------------------------------------------------------------------------
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with GNAT.OS_Lib; use GNAT.OS_Lib;
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package body Output is
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Current_FD : File_Descriptor := Standout;
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-- File descriptor for current output
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-----------------------
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-- Local_Subprograms --
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-----------------------
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procedure Flush_Buffer;
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-- Flush buffer if non-empty and reset column counter
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------------------
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-- Flush_Buffer --
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------------------
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procedure Flush_Buffer is
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Len : constant Natural := Natural (Column - 1);
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begin
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if Len /= 0 then
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if Len /= Write (Current_FD, Buffer'Address, Len) then
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Set_Standard_Error;
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Write_Line ("fatal error: disk full");
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OS_Exit (2);
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end if;
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Column := 1;
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end if;
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end Flush_Buffer;
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------------------------
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-- Set_Standard_Error --
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------------------------
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procedure Set_Standard_Error is
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begin
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Flush_Buffer;
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Current_FD := Standerr;
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Column := 1;
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end Set_Standard_Error;
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-------------------------
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-- Set_Standard_Output --
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-------------------------
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procedure Set_Standard_Output is
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begin
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Flush_Buffer;
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Current_FD := Standout;
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Column := 1;
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end Set_Standard_Output;
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-------
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-- w --
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-------
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procedure w (C : Character) is
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begin
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Write_Char (''');
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Write_Char (C);
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Write_Char (''');
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Write_Eol;
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end w;
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procedure w (S : String) is
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begin
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Write_Str (S);
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Write_Eol;
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end w;
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procedure w (V : Int) is
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begin
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Write_Int (V);
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Write_Eol;
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end w;
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procedure w (B : Boolean) is
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begin
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if B then
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w ("True");
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else
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w ("False");
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end if;
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end w;
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procedure w (L : String; C : Character) is
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begin
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Write_Str (L);
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Write_Char (' ');
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w (C);
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end w;
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procedure w (L : String; S : String) is
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begin
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Write_Str (L);
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Write_Char (' ');
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w (S);
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end w;
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procedure w (L : String; V : Int) is
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begin
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Write_Str (L);
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Write_Char (' ');
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w (V);
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end w;
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procedure w (L : String; B : Boolean) is
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begin
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Write_Str (L);
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Write_Char (' ');
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w (B);
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end w;
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----------------
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-- Write_Char --
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----------------
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procedure Write_Char (C : Character) is
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begin
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if Column < Buffer'Length then
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Buffer (Natural (Column)) := C;
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Column := Column + 1;
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end if;
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end Write_Char;
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---------------
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-- Write_Eol --
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---------------
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procedure Write_Eol is
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begin
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Buffer (Natural (Column)) := ASCII.LF;
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Column := Column + 1;
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Flush_Buffer;
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end Write_Eol;
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---------------
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-- Write_Int --
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---------------
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procedure Write_Int (Val : Int) is
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begin
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if Val < 0 then
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Write_Char ('-');
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Write_Int (-Val);
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else
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if Val > 9 then
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Write_Int (Val / 10);
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end if;
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Write_Char (Character'Val ((Val mod 10) + Character'Pos ('0')));
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end if;
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end Write_Int;
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----------------
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-- Write_Line --
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----------------
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procedure Write_Line (S : String) is
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begin
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Write_Str (S);
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Write_Eol;
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end Write_Line;
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---------------
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-- Write_Str --
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---------------
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procedure Write_Str (S : String) is
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begin
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for J in S'Range loop
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Write_Char (S (J));
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end loop;
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end Write_Str;
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end Output;
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