New Language: Ada

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45953 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 204 insertions, 0 deletions

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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--                  A D A . T E X T _ I O . E D I T I N G                   --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--                            $Revision: 1.5 $                              --
+--                                                                          --
+--          Copyright (C) 1992-1997 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 2,  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.  See the GNU General Public License --
+-- for  more details.  You should have  received  a copy of the GNU General --
+-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
+-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
+-- MA 02111-1307, USA.                                                      --
+--                                                                          --
+-- As a special exception,  if other files  instantiate  generics from this --
+-- unit, or you link  this unit with other files  to produce an executable, --
+-- this  unit  does not  by itself cause  the resulting  executable  to  be --
+-- covered  by the  GNU  General  Public  License.  This exception does not --
+-- however invalidate  any other reasons why  the executable file  might be --
+-- covered by the  GNU Public License.                                      --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+--                                                                          --
+------------------------------------------------------------------------------
+
+package Ada.Text_IO.Editing is
+
+   type Picture is private;
+
+   function Valid
+     (Pic_String      : in String;
+      Blank_When_Zero : in Boolean := False)
+      return            Boolean;
+
+   function To_Picture
+     (Pic_String      : in String;
+      Blank_When_Zero : in Boolean := False)
+      return            Picture;
+
+   function Pic_String      (Pic : in Picture) return String;
+   function Blank_When_Zero (Pic : in Picture) return Boolean;
+
+   Max_Picture_Length : constant := 64;
+
+   Picture_Error : exception;
+
+   Default_Currency   : constant String    := "$";
+   Default_Fill       : constant Character := ' ';
+   Default_Separator  : constant Character := ',';
+   Default_Radix_Mark : constant Character := '.';
+
+   generic
+      type Num is delta <> digits <>;
+      Default_Currency   : in String := Editing.Default_Currency;
+      Default_Fill       : in Character := Editing.Default_Fill;
+      Default_Separator  : in Character := Editing.Default_Separator;
+      Default_Radix_Mark : in Character := Editing.Default_Radix_Mark;
+
+   package Decimal_Output is
+
+      function Length
+        (Pic      : in Picture;
+         Currency : in String := Default_Currency)
+         return     Natural;
+
+      function Valid
+        (Item     : Num;
+         Pic      : in Picture;
+         Currency : in String := Default_Currency)
+         return     Boolean;
+
+      function Image
+        (Item       : Num;
+         Pic        : in Picture;
+         Currency   : in String    := Default_Currency;
+         Fill       : in Character := Default_Fill;
+         Separator  : in Character := Default_Separator;
+         Radix_Mark : in Character := Default_Radix_Mark)
+         return       String;
+
+      procedure Put
+        (File       : in Ada.Text_IO.File_Type;
+         Item       : Num;
+         Pic        : in Picture;
+         Currency   : in String    := Default_Currency;
+         Fill       : in Character := Default_Fill;
+         Separator  : in Character := Default_Separator;
+         Radix_Mark : in Character := Default_Radix_Mark);
+
+      procedure Put
+        (Item       : Num;
+         Pic        : in Picture;
+         Currency   : in String    := Default_Currency;
+         Fill       : in Character := Default_Fill;
+         Separator  : in Character := Default_Separator;
+         Radix_Mark : in Character := Default_Radix_Mark);
+
+      procedure Put
+        (To         : out String;
+         Item       : Num;
+         Pic        : in Picture;
+         Currency   : in String    := Default_Currency;
+         Fill       : in Character := Default_Fill;
+         Separator  : in Character := Default_Separator;
+         Radix_Mark : in Character := Default_Radix_Mark);
+
+   end Decimal_Output;
+
+private
+
+   MAX_PICSIZE      : constant := 50;
+   MAX_MONEYSIZE    : constant := 10;
+   Invalid_Position : constant := -1;
+
+   subtype Pic_Index is Natural range 0 .. MAX_PICSIZE;
+
+   type Picture_Record (Length : Pic_Index := 0) is record
+      Expanded : String (1 .. Length);
+   end record;
+
+   type Format_Record is record
+      Picture              : Picture_Record;
+      --  Read only
+
+      Blank_When_Zero      : Boolean;
+      --  Read/write
+
+      Original_BWZ         : Boolean;
+
+      --  The following components get written
+
+      Star_Fill            : Boolean := False;
+
+      Radix_Position       : Integer := Invalid_Position;
+
+      Sign_Position,
+      Second_Sign          : Integer := Invalid_Position;
+
+      Start_Float,
+      End_Float            : Integer := Invalid_Position;
+
+      Start_Currency,
+      End_Currency         : Integer := Invalid_Position;
+
+      Max_Leading_Digits   : Integer := 0;
+
+      Max_Trailing_Digits  : Integer := 0;
+
+      Max_Currency_Digits  : Integer := 0;
+
+      Floater              : Character := '!';
+      --  Initialized to illegal value
+
+   end record;
+
+   type Picture is record
+      Contents : Format_Record;
+   end record;
+
+   type Number_Attributes is record
+      Negative     : Boolean := False;
+
+      Has_Fraction : Boolean := False;
+
+      Start_Of_Int,
+      End_Of_Int,
+      Start_Of_Fraction,
+      End_Of_Fraction : Integer := Invalid_Position;    -- invalid value
+   end record;
+
+   function Parse_Number_String (Str : String) return Number_Attributes;
+   --  Assumed format is 'IMAGE or Fixed_IO.Put format (depends on no
+   --  trailing blanks...)
+
+   procedure Precalculate (Pic : in out Format_Record);
+   --  Precalculates fields from the user supplied data
+
+   function Format_Number
+     (Pic                 : Format_Record;
+      Number              : String;
+      Currency_Symbol     : String;
+      Fill_Character      : Character;
+      Separator_Character : Character;
+      Radix_Point         : Character)
+      return                String;
+   --  Formats number according to Pic
+
+   function Expand (Picture : in String) return String;
+
+end Ada.Text_IO.Editing;