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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . C O M M A N D _ L I N E . R E S P O N S E _ F I L E -- -- -- -- S p e c -- -- -- -- Copyright (C) 2007-2009, Free Software Foundation, Inc. -- -- -- -- 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. -- -- -- ------------------------------------------------------------------------------ -- This package is intended to be used in conjunction with its parent unit, -- Ada.Command_Line. It provides facilities for getting command line arguments -- from a text file, called a "response file". -- -- Using a response file allow passing a set of arguments to an executable -- longer than the maximum allowed by the system on the command line. pragma Compiler_Unit; with System.Strings; package Ada.Command_Line.Response_File is subtype String_Access is System.Strings.String_Access; -- type String_Access is access all String; procedure Free (S : in out String_Access) renames System.Strings.Free; -- To deallocate a String subtype Argument_List is System.Strings.String_List; -- type String_List is array (Positive range <>) of String_Access; Max_Line_Length : constant := 4096; -- The maximum length of lines in a response file File_Does_Not_Exist : exception; -- Raise by Arguments_From when a response file cannot be found Line_Too_Long : exception; -- Raise by Arguments_From when a line in the response file is longer than -- Max_Line_Length. No_Closing_Quote : exception; -- Raise by Arguments_From when a quoted string does not end before the -- end of the line. Circularity_Detected : exception; -- Raise by Arguments_From when Recursive is True and the same response -- file is reading itself, either directly or indirectly. function Arguments_From (Response_File_Name : String; Recursive : Boolean := False; Ignore_Non_Existing_Files : Boolean := False) return Argument_List; -- Read response file with name Response_File_Name and return the argument -- it contains as an Argument_List. It is the responsibility of the caller -- to deallocate the strings in the Argument_List if desired. When -- Recursive is True, any argument of the form @file_name indicates the -- name of another response file and is replaced by the arguments in this -- response file. -- -- Each non empty line of the response file contains one or several -- arguments separated by white space. Empty lines or lines containing only -- white space are ignored. Arguments containing white space or a double -- quote ('"')must be quoted. A double quote inside a quote string is -- indicated by two consecutive double quotes. Example: "-Idir with quote -- "" and spaces" Non white space characters immediately before or after a -- quoted string are part of the same argument. Example -Idir" with "spaces -- -- When a response file cannot be found, exception File_Does_Not_Exist is -- raised if Ignore_Non_Existing_Files is False, otherwise the response -- file is ignored. Exception Line_Too_Long is raised when a line of a -- response file is longer than Max_Line_Length. Exception No_Closing_Quote -- is raised when a quoted argument is not closed before the end of the -- line. Exception Circularity_Detected is raised when a Recursive is True -- and a response file is reading itself, either directly or indirectly. end Ada.Command_Line.Response_File;
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