d654162044
We have many classes that copy cotr and assignment operator are deleted, so this patch replaces these existing mechanical code with macro DISABLE_COPY_AND_ASSIGN. gdb: 2017-09-19 Yao Qi <yao.qi@linaro.org> * annotate.h (struct annotate_arg_emitter): Use DISABLE_COPY_AND_ASSIGN. * common/refcounted-object.h (refcounted_object): Likewise. * completer.h (struct completion_result): Likewise. * dwarf2read.c (struct dwarf2_per_objfile): Likewise. * filename-seen-cache.h (filename_seen_cache): Likewise. * gdbcore.h (thread_section_name): Likewise. * gdb_regex.h (compiled_regex): Likewise. * gdbthread.h (scoped_restore_current_thread): Likewise. * inferior.h (scoped_restore_current_inferior): Likewise. * jit.c (jit_reader): Likewise. * linespec.h (struct linespec_result): Likewise. * mi/mi-parse.h (struct mi_parse): Likewise. * nat/fork-inferior.c (execv_argv): Likewise. * progspace.h (scoped_restore_current_program_space): Likewise. * python/python-internal.h (class gdbpy_enter): Likewise. * regcache.h (regcache): Likewise. * target-descriptions.c (struct tdesc_reg): Likewise. (struct tdesc_type): Likewise. (struct tdesc_feature): Likewise. * ui-out.h (ui_out_emit_type): Likewise.
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/* Base class of intrusively reference-counted objects.
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Copyright (C) 2017 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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#ifndef REFCOUNTED_OBJECT_H
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#define REFCOUNTED_OBJECT_H
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/* Base class of intrusively reference-countable objects.
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Incrementing and decrementing the reference count is an external
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responsibility. */
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class refcounted_object
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{
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public:
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refcounted_object () = default;
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/* Increase the refcount. */
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void incref ()
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{
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gdb_assert (m_refcount >= 0);
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m_refcount++;
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}
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/* Decrease the refcount. */
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void decref ()
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{
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m_refcount--;
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gdb_assert (m_refcount >= 0);
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}
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int refcount () const { return m_refcount; }
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private:
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DISABLE_COPY_AND_ASSIGN (refcounted_object);
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/* The reference count. */
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int m_refcount = 0;
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};
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#endif /* REFCOUNTED_OBJECT_H */
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