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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- B I N D E R R -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2009, 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. 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 for the binder -- and also the routines for handling fatal error conditions in the binder. with Namet; use Namet; with Types; use Types; package Binderr is Errors_Detected : Int; -- Number of errors detected so far Warnings_Detected : Int; -- Number of warnings detected Info_Prefix_Suppress : Boolean := False; -- If set to True, the normal "info: " header before messages generated -- by Error_Msg_Info will be omitted. --------------------------------------------------------- -- Error Message Text and Message Insertion Characters -- --------------------------------------------------------- -- Error message text strings are composed of letters, digits and the -- special characters space, comma, period, colon and semicolon, -- apostrophe and parentheses. Special insertion characters can also -- appear which cause the error message circuit to modify the given -- string as follows: -- Insertion character { (Left brace: insert file name from Names table) -- The character { is replaced by the text for the file name specified -- by the File_Name_Type value stored in Error_Msg_File_1. The name is -- always enclosed in quotes. A second { may appear in a single message -- in which case it is similarly replaced by the name which is -- specified by the File_Name_Type value stored in Error_Msg_File_2. -- Insertion character $ (Dollar: insert unit name from Names table) -- The character & is replaced by the text for the unit name specified -- by the Name_Id value stored in Error_Msg_Unit_1. The name is always -- enclosed in quotes. A second $ may appear in a single message in -- which case it is similarly replaced by the name which is specified -- by the Name_Id value stored in Error_Msg_Unit_2. -- Insertion character # (Pound: insert non-negative number in decimal) -- The character # is replaced by the contents of Error_Msg_Nat_1 -- converted into an unsigned decimal string. A second # may appear -- in a single message, in which case it is similarly replaced by -- the value stored in Error_Msg_Nat_2. -- Insertion character ? (Question mark: warning message) -- The character ?, which must be the first character in the message -- string, signals a warning message instead of an error message. ----------------------------------------------------- -- Global Values Used for Error Message Insertions -- ----------------------------------------------------- -- The following global variables are essentially additional parameters -- passed to the error message routine for insertion sequences described -- above. The reason these are passed globally is that the insertion -- mechanism is essentially an untyped one in which the appropriate -- variables are set depending on the specific insertion characters used. Error_Msg_Name_1 : Name_Id; -- Name_Id value for % insertion characters in message Error_Msg_File_1 : File_Name_Type; Error_Msg_File_2 : File_Name_Type; -- Name_Id values for { insertion characters in message Error_Msg_Unit_1 : Unit_Name_Type; Error_Msg_Unit_2 : Unit_Name_Type; -- Name_Id values for $ insertion characters in message Error_Msg_Nat_1 : Nat; Error_Msg_Nat_2 : Nat; -- Integer values for # insertion characters in message ------------------------------ -- Error Output Subprograms -- ------------------------------ procedure Error_Msg (Msg : String); -- Output specified error message to standard error or standard output -- as governed by the brief and verbose switches, and update error -- counts appropriately procedure Error_Msg_Info (Msg : String); -- Output information line. Indentical in effect to Error_Msg, except -- that the prefix is info: instead of error: and the error count is -- not incremented. The prefix may be suppressed by setting the global -- variable Info_Prefix_Suppress to True. procedure Error_Msg_Output (Msg : String; Info : Boolean); -- Output given message, with insertions, to current message output file. -- The second argument is True for an info message, false for a normal -- warning or error message. Normally this is not called directly, but -- rather only by Error_Msg or Error_Msg_Info. It is called directly -- when the caller must control whether the output goes to stderr or -- stdout (Error_Msg_Output always goes to the current output file). procedure Finalize_Binderr; -- Finalize error output for one file procedure Initialize_Binderr; -- Initialize error output for one file end Binderr;