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1c3bc03415
Estimated hours taken: 2 Branches: main, release Make the system compiler with --warn-unused-imports. browser/*.m: library/*.m: compiler/*.m: Remove unnecesary imports as flagged by --warn-unused-imports. In some files, do some minor cleanup along the way.
72 lines
2.4 KiB
Mathematica
72 lines
2.4 KiB
Mathematica
%-----------------------------------------------------------------------------%
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% vim: ft=mercury ts=4 sw=4 et
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%-----------------------------------------------------------------------------%
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% Copyright (C) 1997-2006, 2009-2010 The University of Melbourne.
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% This file may only be copied under the terms of the GNU General
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% Public License - see the file COPYING in the Mercury distribution.
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%-----------------------------------------------------------------------------%
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%
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% File: compiler_util.
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% Main author: zs.
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%
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% This module contains code that can be helpful in any compiler module.
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%
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%-----------------------------------------------------------------------------%
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:- module libs.compiler_util.
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:- interface.
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:- import_module libs.globals.
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:- import_module io.
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%-----------------------------------------------------------------------------%
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% Record the fact that a warning has been issued; set the exit status
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% to error if the `--halt-at-warn' option is set.
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%
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:- pred record_warning(globals::in, io::di, io::uo) is det.
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% Report a warning, and set the exit status to error if the
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% `--halt-at-warn' option is set.
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%
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:- pred report_warning(globals::in, string::in, io::di, io::uo) is det.
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% Report a warning to the specified stream, and set the exit status
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% to error if the --halt-at-warn option is set.
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%
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:- pred report_warning_to_stream(globals::in, io.output_stream::in, string::in,
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io::di, io::uo) is det.
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%-----------------------------------------------------------------------------%
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%-----------------------------------------------------------------------------%
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:- implementation.
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:- import_module libs.options.
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:- import_module bool.
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%-----------------------------------------------------------------------------%
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record_warning(Globals, !IO) :-
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globals.lookup_bool_option(Globals, halt_at_warn, HaltAtWarn),
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(
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HaltAtWarn = yes,
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io.set_exit_status(1, !IO)
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;
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HaltAtWarn = no
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).
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report_warning(Globals, Message, !IO) :-
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record_warning(Globals, !IO),
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io.write_string(Message, !IO).
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report_warning_to_stream(Globals, Stream, Message, !IO) :-
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record_warning(Globals, !IO),
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io.write_string(Stream, Message, !IO).
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%-----------------------------------------------------------------------------%
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:- end_module compiler_util.
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%-----------------------------------------------------------------------------%
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