/usr/share/ada/adainclude/gnatprj/prj-err.ads is in libgnatprj4.9-dev 4.9.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- P R J . E R R --
-- --
-- S p e c --
-- --
-- Copyright (C) 2002-2010, 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. 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 COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This package contains the routines to output error messages and the scanner
-- for the project files. It replaces Errout and Scn. It is not dependent on
-- the GNAT tree packages (Atree, Sinfo, ...). It uses exactly the same global
-- variables as Errout, located in package Err_Vars. Like Errout, it also uses
-- the common variables and routines in package Erroutc.
--
-- Parameters are set through Err_Vars.Error_Msg_File_* or
-- Err_Vars.Error_Msg_Name_*, and replaced automatically in the messages
-- ("{{" for files, "%%" for names).
--
-- However, in this package you can configure the error messages to be sent
-- to your own callback by setting Report_Error in the flags. This ensures
-- that applications can control where error messages are displayed.
with Scng;
with Errutil;
package Prj.Err is
---------------------------------------------------------
-- Error Message Text and Message Insertion Characters --
---------------------------------------------------------
-- See errutil.ads
-----------------------------------------------------
-- Format of Messages and Manual Quotation Control --
-----------------------------------------------------
-- See errutil.ads
------------------------------
-- Error Output Subprograms --
------------------------------
procedure Initialize renames Errutil.Initialize;
-- Initializes for output of error messages. Must be called for each
-- file before using any of the other routines in the package.
procedure Finalize (Source_Type : String := "project")
renames Errutil.Finalize;
-- Finalize processing of error messages for one file and output message
-- indicating the number of detected errors.
procedure Error_Msg
(Flags : Processing_Flags;
Msg : String;
Location : Source_Ptr := No_Location;
Project : Project_Id := null);
-- Output an error message, either through Flags.Error_Report or through
-- Errutil. The location defaults to the project's location ("project"
-- in the source code). If Msg starts with "?", this is a warning, and
-- Warning: is added at the beginning. If Msg starts with "<", see comment
-- for Err_Vars.Error_Msg_Warn.
-------------
-- Scanner --
-------------
procedure Post_Scan;
-- Convert an Ada operator symbol into a standard string
package Scanner is new Scng
(Post_Scan => Post_Scan,
Error_Msg => Errutil.Error_Msg,
Error_Msg_S => Errutil.Error_Msg_S,
Error_Msg_SC => Errutil.Error_Msg_SC,
Error_Msg_SP => Errutil.Error_Msg_SP,
Style => Errutil.Style);
-- Instantiation of the generic scanner
end Prj.Err;
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