Language/OS - Multiplatform Resource Library/LANGUAGE OS.iso/a_utils/yacc/flexyacc/aflex.lha/aflex/src/telesoft/command_lineB.ada

Text File | 1991-05-16 | 2KB | 52 lines

-- Copyright (c) 1990 Regents of the University of California.
-- All rights reserved.
--
-- This software was developed by John Self of the Arcadia project
-- at the University of California, Irvine.
--
-- Redistribution and use in source and binary forms are permitted
-- provided that the above copyright notice and this paragraph are
-- duplicated in all such forms and that any documentation,
-- advertising materials, and other materials related to such
-- distribution and use acknowledge that the software was developed
-- by the University of California, Irvine.  The name of the
-- University may not be used to endorse or promote products derived
-- from this software without specific prior written permission.
-- THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
-- IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
-- WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

-- TITLE command line interface
-- AUTHOR: John Self (UCI)
-- DESCRIPTION command line interface body for use with
-- the Telesoft TeleGen2 Sun Ada 1.3a system.
-- NOTES this file is system dependent
-- $Header: /co/ua/self/arcadia/aflex/ada/src/telesoft/RCS/command_lineB.ada,v 1.1 90/01/12 15:13:59 self Exp Locker: self $

with TSTRING; use TSTRING;
with SYSTEM;
package body COMMAND_LINE_INTERFACE is

  procedure INITIALIZE_COMMAND_LINE is
    POSITION : INTEGER;
    ARG_LEN  : INTEGER;
    ARGUMENT : STRING(1 .. 1000);

    function GET_ARGUMENT(PARAMETER_1 : in INTEGER;
                          PARAMETER_2 : in SYSTEM.ADDRESS) return INTEGER;

    pragma INTERFACE(UNIX, GET_ARGUMENT);
  begin
    POSITION := 0;
    loop
      ARG_LEN := GET_ARGUMENT(POSITION, ARGUMENT'ADDRESS);
      if (ARG_LEN = 0) then
        exit;
      end if;
      ARGV(POSITION) := VSTR(ARGUMENT(1 .. ARG_LEN));
      POSITION := POSITION + 1;
    end loop;
    ARGC := POSITION;
  end INITIALIZE_COMMAND_LINE;
end COMMAND_LINE_INTERFACE;