gcc/m2/gm2-libs-iso/SLongWholeIO.mod

   1 (* SLongWholeIO.mod implements input/output of LONGINT/LONGCARD over channels.
   2
   3 Copyright (C) 2013-2023 Free Software Foundation, Inc.
   4 Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
   5
   6 This file is part of GNU Modula-2.
   7
   8 GNU Modula-2 is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GNU Modula-2 is distributed in the hope that it will be useful, but
  14 WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 General Public License for more details.
  17
  18 Under Section 7 of GPL version 3, you are granted additional
  19 permissions described in the GCC Runtime Library Exception, version
  20 3.1, as published by the Free Software Foundation.
  21
  22 You should have received a copy of the GNU General Public License and
  23 a copy of the GCC Runtime Library Exception along with this program;
  24 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 <http://www.gnu.org/licenses/>.  *)
  26
  27 IMPLEMENTATION MODULE SLongWholeIO;
  28
  29 IMPORT StdChans, LongWholeIO ;
  30
  31   (* Input and output of whole numbers in decimal text form over
  32      default channels. The read result is of the type
  33      IOConsts.ReadResults.
  34   *)
  35
  36 PROCEDURE ReadInt (VAR int: LONGINT);
  37   (* Skips leading spaces, and removes any remaining characters
  38      from the default input stream that form part of a signed
  39      whole number.  The value of this number is assigned to int.
  40      The read result is set to the value allRight, outOfRange,
  41      wrongFormat, endOfLine, or endOfInput.
  42   *)
  43 BEGIN
  44    LongWholeIO.ReadInt(StdChans.StdInChan(), int)
  45 END ReadInt ;
  46
  47
  48 PROCEDURE ReadCard (VAR card: LONGCARD);
  49   (* Skips leading spaces, and removes any remaining characters
  50      from the default input stream that form part of an unsigned
  51      whole number.  The value of this number is assigned to card.
  52      The read result is set to the value allRight, outOfRange,
  53      wrongFormat, endOfLine, or endOfInput.
  54   *)
  55 BEGIN
  56    LongWholeIO.ReadCard(StdChans.StdInChan(), card)
  57 END ReadCard ;
  58
  59
  60   (* Output procedures *)
  61
  62 PROCEDURE WriteInt (int: LONGINT; width: CARDINAL);
  63   (* Writes the value of int to the default output stream in
  64      text form, in a field of the given minimum width. *)
  65 BEGIN
  66    LongWholeIO.WriteInt(StdChans.StdOutChan(), int, width)
  67 END WriteInt ;
  68
  69
  70 PROCEDURE WriteCard (card: LONGCARD; width: CARDINAL);
  71   (* Writes the value of card to the default output stream in
  72      text form, in a field of the given minimum width. *)
  73 BEGIN
  74    LongWholeIO.WriteCard(StdChans.StdOutChan(), card, width)
  75 END WriteCard ;
  76
  77
  78 END SLongWholeIO.