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05d9d66d92
Remove some includes reported as unused by clangd. Add some includes in other files that were previously relying on the transitive include. Change-Id: Ibdd0a998b04d21362a20d0ca8e5267e21e2e133e
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/* Definitions for complaint handling during symbol reading in GDB.
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Copyright (C) 1990-2024 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (COMPLAINTS_H)
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#define COMPLAINTS_H
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#include "gdbsupport/scoped_restore.h"
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#include <unordered_set>
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/* Helper for complaint. */
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extern void complaint_internal (const char *fmt, ...)
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ATTRIBUTE_PRINTF (1, 2);
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/* This controls whether complaints are emitted. */
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extern int stop_whining;
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/* Return true if complaints are enabled. This can be used to guard code
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that is used only to decide whether to issue a complaint. */
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static inline bool
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have_complaint ()
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{
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return stop_whining > 0;
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}
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/* Register a complaint. This is a macro around complaint_internal to
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avoid computing complaint's arguments when complaints are disabled.
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Running FMT via gettext [i.e., _(FMT)] can be quite expensive, for
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example. */
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#define complaint(FMT, ...) \
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do \
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{ \
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if (have_complaint ()) \
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complaint_internal (FMT, ##__VA_ARGS__); \
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} \
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while (0)
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/* Clear out / initialize all complaint counters that have ever been
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incremented. */
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extern void clear_complaints ();
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/* Type of collected complaints. */
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typedef std::unordered_set<std::string> complaint_collection;
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/* A class that can handle calls to complaint from multiple threads.
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When this is instantiated, it hooks into the complaint mechanism,
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so the 'complaint' macro can continue to be used. It collects all
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the complaints (and warnings) emitted while it is installed, and
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these can be retrieved before the object is destroyed. This is
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intended for use from worker threads (though it will also work on
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the main thread). Messages can be re-emitted on the main thread
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using re_emit_complaints, see below. */
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class complaint_interceptor final : public warning_hook_handler_type
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{
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public:
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complaint_interceptor ();
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~complaint_interceptor () = default;
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DISABLE_COPY_AND_ASSIGN (complaint_interceptor);
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complaint_collection &&release ()
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{
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return std::move (m_complaints);
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}
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private:
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/* The issued complaints. */
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complaint_collection m_complaints;
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/* The saved value of g_complaint_interceptor. */
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scoped_restore_tmpl<complaint_interceptor *> m_saved_complaint_interceptor;
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/* A helper function that is used by the 'complaint' implementation
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to issue a complaint. */
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void warn (const char *, va_list) override
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ATTRIBUTE_PRINTF (2, 0);
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/* This object. Used by the static callback function. */
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static thread_local complaint_interceptor *g_complaint_interceptor;
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/* Object to initialise the warning hook. */
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scoped_restore_warning_hook m_saved_warning_hook;
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};
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/* Re-emit complaints that were collected by complaint_interceptor.
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This can only be called on the main thread. */
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extern void re_emit_complaints (const complaint_collection &);
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#endif /* !defined (COMPLAINTS_H) */
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