/* Definitions for complaint handling during symbol reading in GDB.
- Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc.
+
+ Copyright (C) 1990-2022 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (COMPLAINTS_H)
#define COMPLAINTS_H
+#include <unordered_set>
+
+/* Helper for complaint. */
+extern void complaint_internal (const char *fmt, ...)
+ ATTRIBUTE_PRINTF (1, 2);
+
+/* This controls whether complaints are emitted. */
+
+extern int stop_whining;
+
+/* Register a complaint. This is a macro around complaint_internal to
+ avoid computing complaint's arguments when complaints are disabled.
+ Running FMT via gettext [i.e., _(FMT)] can be quite expensive, for
+ example. */
+#define complaint(FMT, ...) \
+ do \
+ { \
+ if (stop_whining > 0) \
+ complaint_internal (FMT, ##__VA_ARGS__); \
+ } \
+ while (0)
+
+/* Clear out / initialize all complaint counters that have ever been
+ incremented. */
+
+extern void clear_complaints ();
-/* Support for complaining about things in the symbol file that aren't
- catastrophic.
+/* A class that can handle calls to complaint from multiple threads.
+ When this is instantiated, it hooks into the complaint mechanism,
+ so the 'complaint' macro can continue to be used. When it is
+ destroyed, it issues all the complaints that have been stored. It
+ should only be instantiated in the main thread. */
- Each such thing gets a counter. The first time we have the problem,
- during a symbol read, we report it. At the end of symbol reading,
- if verbose, we report how many of each problem we had. */
+class complaint_interceptor
+{
+public:
-struct complaint
- {
- char *message;
- unsigned counter;
- struct complaint *next;
- };
+ complaint_interceptor ();
+ ~complaint_interceptor ();
-/* Root of the chain of complaints that have at some point been issued.
- This is used to reset the counters, and/or report the total counts. */
+ DISABLE_COPY_AND_ASSIGN (complaint_interceptor);
-extern struct complaint complaint_root[1];
+private:
-/* Functions that handle complaints. (in complaints.c) */
+ /* The issued complaints. */
+ std::unordered_set<std::string> m_complaints;
-extern void
-complain PARAMS ((struct complaint *,...));
+ /* The saved value of deprecated_warning_hook. */
+ void (*m_saved_warning_hook) (const char *, va_list)
+ ATTRIBUTE_FPTR_PRINTF (1,0);
-extern void
-clear_complaints PARAMS ((int, int));
+ /* A helper function that is used by the 'complaint' implementation
+ to issue a complaint. */
+ static void issue_complaint (const char *, va_list)
+ ATTRIBUTE_PRINTF (1, 0);
+ /* This object. Used by the static callback function. */
+ static complaint_interceptor *g_complaint_interceptor;
+};
#endif /* !defined (COMPLAINTS_H) */
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