------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- E R R _ V A R S -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2006, 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 2, 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 COPYING. If not, write -- -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- -- Boston, MA 02110-1301, USA. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This package contains variables common to error reporting packages -- including Errout and Prj.Err. with Types; use Types; with Uintp; use Uintp; package Err_Vars is ------------------ -- Error Counts -- ------------------ Serious_Errors_Detected : Nat; -- This is a count of errors that are serious enough to stop expansion, -- and hence to prevent generation of an object file even if the -- switch -gnatQ is set. Initialized to zero at the start of compilation. Total_Errors_Detected : Nat; -- Number of errors detected so far. Includes count of serious errors and -- non-serious errors, so this value is always greater than or equal to the -- Serious_Errors_Detected value. Initialized to zero at the start of -- compilation. Warnings_Detected : Nat; -- Number of warnings detected. Initialized to zero at the start of -- compilation. ---------------------------------- -- Error Message Mode Variables -- ---------------------------------- -- These variables control special error message modes. The initialized -- values below give the normal default behavior, but they can be reset -- by the caller to get different behavior as noted in the comments. These -- variables are not reset by calls to the error message routines, so the -- caller is responsible for resetting the default behavior after use. Error_Msg_Qual_Level : Int; -- Number of levels of qualification required for type name (see the -- description of the } insertion character. Note that this value does -- note get reset by any Error_Msg call, so the caller is responsible -- for resetting it. Warn_On_Instance : Boolean; -- Normally if a warning is generated in a generic template from the -- analysis of the template, then the warning really belongs in the -- template, and the default value of False for this Boolean achieves -- that effect. If Warn_On_Instance is set True, then the warnings are -- generated on the instantiation (referring to the template) rather -- than on the template itself. Raise_Exception_On_Error : Nat; -- If this value is non-zero, then any attempt to generate an error -- message raises the exception Error_Msg_Exception, and the error -- message is not output. This is used for defending against junk -- resulting from illegalities, and also for substitution of more -- appropriate error messages from higher semantic levels. It is -- a counter so that the increment/decrement protocol nests neatly. Error_Msg_Exception : exception; -- Exception raised if Raise_Exception_On_Error is true Current_Error_Source_File : Source_File_Index := Internal_Source_File; -- Id of current messages. Used to post file name when unit changes. This -- is initialized to Main_Source_File at the start of a compilation, which -- means that no file names will be output unless there are errors in units -- other than the main unit. However, if the main unit has a pragma -- Source_Reference line, then this is initialized to No_Source_File, -- to force an initial reference to the real source file name. ---------------------------------------- -- Error Message Insertion Parameters -- ---------------------------------------- -- The error message routines work with strings that contain insertion -- sequences that result in the insertion of variable data. The following -- variables contain the required data. The procedure is to set one or more -- of the following global variables to appropriate values before making a -- call to one of the error message routines with a string containing the -- insertion character to get the value inserted in an appropriate format. Error_Msg_Col : Column_Number; -- Column for @ insertion character in message Error_Msg_Uint_1 : Uint; Error_Msg_Uint_2 : Uint; -- Uint values for ^ insertion characters in message Error_Msg_Sloc : Source_Ptr; -- Source location for # insertion character in message Error_Msg_Name_1 : Name_Id; Error_Msg_Name_2 : Name_Id; Error_Msg_Name_3 : Name_Id; -- Name_Id values for % insertion characters in message Error_Msg_Unit_1 : Name_Id; Error_Msg_Unit_2 : Name_Id; -- Name_Id values for $ insertion characters in message Error_Msg_Node_1 : Node_Id; Error_Msg_Node_2 : Node_Id; -- Node_Id values for & insertion characters in message Error_Msg_Warn : Boolean; -- Used if current message contains a < insertion character to indicate -- if the current message is a warning message. end Err_Vars;