Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/s-resfil.ads @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 ------------------------------------------------------------------------------ | |
| 2 -- -- | |
| 3 -- GNAT RUN-TIME COMPONENTS -- | |
| 4 -- -- | |
| 5 -- S Y S T E M . R E S P O N S E _ F I L E -- | |
| 6 -- -- | |
| 7 -- S p e c -- | |
| 8 -- -- | |
| 9 -- Copyright (C) 2007-2017, Free Software Foundation, Inc. -- | |
| 10 -- -- | |
| 11 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 12 -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 13 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
| 14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
| 15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 16 -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
| 17 -- -- | |
| 18 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 19 -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 20 -- version 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 -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 28 -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
| 29 -- -- | |
| 30 ------------------------------------------------------------------------------ | |
| 31 | |
| 32 -- This package provides facilities for getting command-line arguments from | |
| 33 -- a text file, called a "response file". | |
| 34 -- | |
| 35 -- Using a response file allow passing a set of arguments to an executable | |
| 36 -- longer than the maximum allowed by the system on the command line. | |
| 37 | |
| 38 pragma Compiler_Unit_Warning; | |
| 39 | |
| 40 with System.Strings; | |
| 41 | |
| 42 package System.Response_File is | |
| 43 | |
| 44 subtype String_Access is System.Strings.String_Access; | |
| 45 -- type String_Access is access all String; | |
| 46 | |
| 47 procedure Free (S : in out String_Access) renames System.Strings.Free; | |
| 48 -- To deallocate a String | |
| 49 | |
| 50 subtype Argument_List is System.Strings.String_List; | |
| 51 -- type String_List is array (Positive range <>) of String_Access; | |
| 52 | |
| 53 Max_Line_Length : constant := 4096; | |
| 54 -- The maximum length of lines in a response file | |
| 55 | |
| 56 File_Does_Not_Exist : exception; | |
| 57 -- Raise by Arguments_From when a response file cannot be found | |
| 58 | |
| 59 Line_Too_Long : exception; | |
| 60 -- Raise by Arguments_From when a line in the response file is longer than | |
| 61 -- Max_Line_Length. | |
| 62 | |
| 63 No_Closing_Quote : exception; | |
| 64 -- Raise by Arguments_From when a quoted string does not end before the | |
| 65 -- end of the line. | |
| 66 | |
| 67 Circularity_Detected : exception; | |
| 68 -- Raise by Arguments_From when Recursive is True and the same response | |
| 69 -- file is reading itself, either directly or indirectly. | |
| 70 | |
| 71 function Arguments_From | |
| 72 (Response_File_Name : String; | |
| 73 Recursive : Boolean := False; | |
| 74 Ignore_Non_Existing_Files : Boolean := False) | |
| 75 return Argument_List; | |
| 76 -- Read response file with name Response_File_Name and return the argument | |
| 77 -- it contains as an Argument_List. It is the responsibility of the caller | |
| 78 -- to deallocate the strings in the Argument_List if desired. When | |
| 79 -- Recursive is True, any argument of the form @file_name indicates the | |
| 80 -- name of another response file and is replaced by the arguments in this | |
| 81 -- response file. | |
| 82 -- | |
| 83 -- Each nonempty line of the response file contains one or several | |
| 84 -- arguments separated by white space. Empty lines or lines containing only | |
| 85 -- white space are ignored. Arguments containing white space or a double | |
| 86 -- quote ('"')must be quoted. A double quote inside a quote string is | |
| 87 -- indicated by two consecutive double quotes. Example: "-Idir with quote | |
| 88 -- "" and spaces". Non-white-space characters immediately before or after a | |
| 89 -- quoted string are part of the same argument. Ex: -Idir" with "spaces | |
| 90 -- | |
| 91 -- When a response file cannot be found, exception File_Does_Not_Exist is | |
| 92 -- raised if Ignore_Non_Existing_Files is False, otherwise the response | |
| 93 -- file is ignored. Exception Line_Too_Long is raised when a line of a | |
| 94 -- response file is longer than Max_Line_Length. Exception No_Closing_Quote | |
| 95 -- is raised when a quoted argument is not closed before the end of the | |
| 96 -- line. Exception Circularity_Detected is raised when a Recursive is True | |
| 97 -- and a response file is reading itself, either directly or indirectly. | |
| 98 | |
| 99 end System.Response_File; |