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cb1a6d5f51
* cli/cli-decode.c (deprecated_add_show_from_set): Deprecate. * xcoffsolib.c (_initialize_xcoffsolib): Update. * wince.c (_initialize_wince): Update. * win32-nat.c (_initialize_win32_nat): Update. * varobj.c (_initialize_varobj): Update. * valops.c (_initialize_valops): Update. * utils.c (initialize_utils, initialize_utils): Update. * tui/tui-win.c (_initialize_tui_win): Update. * top.c (init_main): Update. * symfile.c (_initialize_symfile): Update. * source.c (_initialize_source): Update. * somsolib.c (_initialize_som_solib): Update. * solib.c (_initialize_solib): Update. * solib-frv.c (_initialize_frv_solib): Update. * serial.c (_initialize_serial): Update. * ser-go32.c (_initialize_ser_dos, _initialize_ser_dos): Update. * remote.c (_initialize_remote, _initialize_remote): Update. * remote-vx.c (_initialize_vx): Update. * remote-utils.c (_initialize_sr_support): Update. * remote-sds.c (_initialize_remote_sds): Update. * remote-mips.c (_initialize_remote_mips): Update. * remote-e7000.c (_initialize_remote_e7000): Update. * proc-api.c (_initialize_proc_api): Update. * printcmd.c: Update. * parse.c (_initialize_parse): Update. * pa64solib.c (_initialize_pa64_solib): Update. * p-valprint.c (_initialize_pascal_valprint): Update. * monitor.c (_initialize_remote_monitors): Update. * mips-tdep.c (_initialize_mips_tdep): Update. * mcore-tdep.c (_initialize_mcore_tdep): Update. * maint.c (_initialize_maint_cmds): Update. * lin-lwp.c (_initialize_lin_lwp): Update. * language.c (_initialize_language): Update. * kod.c (_initialize_kod): Update. * infrun.c (set_schedlock_func, _initialize_infrun): Update. * i386-tdep.c (_initialize_i386_tdep): Update. * gdbtypes.c (build_gdbtypes, _initialize_gdbtypes): Update. * gdbarch.sh: Update. * gdbarch.c: Re-generate. * gdb-events.sh: Update. * gdb-events.c: Re-generate. * frame.c (_initialize_frame): Update. * exec.c: Update. * demangle.c (_initialize_demangler): Update. * dcache.c (_initialize_dcache): Update. * cris-tdep.c (_initialize_cris_tdep, cris_version_update): Update. * cp-valprint.c (_initialize_cp_valprint): Update. * corefile.c (_initialize_core): Update. * command.h: Update. * cli/cli-decode.h: Update. * cli/cli-cmds.c (init_cli_cmds): Update. * charset.c (_initialize_charset): Update. * breakpoint.c (_initialize_breakpoint): Update. * arm-tdep.c (_initialize_arm_tdep_initialize_arm_tdep): Update. * alpha-tdep.c (_initialize_alpha_tdep): Update. * aix-thread.c (_initialize_aix_thread): Update.
204 lines
7.1 KiB
C
204 lines
7.1 KiB
C
/* Basic C++ demangling support for GDB.
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Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
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2001, 2003 Free Software Foundation, Inc.
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Written by Fred Fish at Cygnus Support.
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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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* This file contains support code for C++ demangling that is common
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to a styles of demangling, and GDB specific. */
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#include "defs.h"
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#include "command.h"
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#include "gdbcmd.h"
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#include "demangle.h"
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#include "gdb_string.h"
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/* Select the default C++ demangling style to use. The default is "auto",
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which allows gdb to attempt to pick an appropriate demangling style for
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the executable it has loaded. It can be set to a specific style ("gnu",
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"lucid", "arm", "hp", etc.) in which case gdb will never attempt to do auto
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selection of the style unless you do an explicit "set demangle auto".
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To select one of these as the default, set DEFAULT_DEMANGLING_STYLE in
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the appropriate target configuration file. */
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#ifndef DEFAULT_DEMANGLING_STYLE
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#define DEFAULT_DEMANGLING_STYLE AUTO_DEMANGLING_STYLE_STRING
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#endif
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extern void _initialize_demangler (void);
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/* String name for the current demangling style. Set by the
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"set demangle-style" command, printed as part of the output by the
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"show demangle-style" command. */
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static char *current_demangling_style_string;
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/* The array of names of the known demanglyng styles. Generated by
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_initialize_demangler from libiberty_demanglers[] array. */
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static const char **demangling_style_names;
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static void set_demangling_command (char *, int, struct cmd_list_element *);
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/* Set current demangling style. Called by the "set demangle-style"
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command after it has updated the current_demangling_style_string to
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match what the user has entered.
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If the user has entered a string that matches a known demangling style
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name in the demanglers[] array then just leave the string alone and update
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the current_demangling_style enum value to match.
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If the user has entered a string that doesn't match, including an empty
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string, then print a list of the currently known styles and restore
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the current_demangling_style_string to match the current_demangling_style
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enum value.
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Note: Assumes that current_demangling_style_string always points to
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a malloc'd string, even if it is a null-string. */
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static void
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set_demangling_command (char *ignore, int from_tty, struct cmd_list_element *c)
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{
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const struct demangler_engine *dem;
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/* First just try to match whatever style name the user supplied with
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one of the known ones. Don't bother special casing for an empty
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name, we just treat it as any other style name that doesn't match.
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If we match, update the current demangling style enum. */
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for (dem = libiberty_demanglers;
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dem->demangling_style != unknown_demangling;
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dem++)
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{
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if (strcmp (current_demangling_style_string,
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dem->demangling_style_name) == 0)
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{
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current_demangling_style = dem->demangling_style;
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break;
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}
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}
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/* Check to see if we found a match. If not, gripe about any non-empty
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style name and supply a list of valid ones. FIXME: This should
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probably be done with some sort of completion and with help. */
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if (dem->demangling_style == unknown_demangling)
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{
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if (*current_demangling_style_string != '\0')
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{
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printf_unfiltered ("Unknown demangling style `%s'.\n",
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current_demangling_style_string);
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}
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printf_unfiltered ("The currently understood settings are:\n\n");
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for (dem = libiberty_demanglers;
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dem->demangling_style != unknown_demangling;
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dem++)
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{
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printf_unfiltered ("%-10s %s\n", dem->demangling_style_name,
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dem->demangling_style_doc);
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if (dem->demangling_style == current_demangling_style)
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{
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xfree (current_demangling_style_string);
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current_demangling_style_string =
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savestring (dem->demangling_style_name,
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strlen (dem->demangling_style_name));
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}
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}
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if (current_demangling_style == unknown_demangling)
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{
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/* This can happen during initialization if gdb is compiled with
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a DEMANGLING_STYLE value that is unknown, so pick the first
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one as the default. */
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current_demangling_style = libiberty_demanglers[0].demangling_style;
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current_demangling_style_string =
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savestring (
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libiberty_demanglers[0].demangling_style_name,
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strlen (libiberty_demanglers[0].demangling_style_name));
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warning ("`%s' style demangling chosen as the default.\n",
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current_demangling_style_string);
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}
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}
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}
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/* Fake a "set demangle-style" command. */
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void
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set_demangling_style (char *style)
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{
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if (current_demangling_style_string != NULL)
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{
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xfree (current_demangling_style_string);
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}
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current_demangling_style_string = savestring (style, strlen (style));
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set_demangling_command ((char *) NULL, 0, (struct cmd_list_element *) NULL);
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}
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/* G++ uses a special character to indicate certain internal names. Which
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character it is depends on the platform:
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- Usually '$' on systems where the assembler will accept that
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- Usually '.' otherwise (this includes most sysv4-like systems and most
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ELF targets)
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- Occasionally '_' if neither of the above is usable
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We check '$' first because it is the safest, and '.' often has another
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meaning. We don't currently try to handle '_' because the precise forms
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of the names are different on those targets. */
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static char cplus_markers[] = {'$', '.', '\0'};
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int
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is_cplus_marker (int c)
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{
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return c && strchr (cplus_markers, c) != NULL;
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}
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void
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_initialize_demangler (void)
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{
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struct cmd_list_element *set, *show;
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int i, ndems;
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/* Fill the demangling_style_names[] array. */
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for (ndems = 0;
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libiberty_demanglers[ndems].demangling_style != unknown_demangling;
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ndems++)
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;
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demangling_style_names = xcalloc (ndems + 1, sizeof (char *));
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for (i = 0;
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libiberty_demanglers[i].demangling_style != unknown_demangling;
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i++)
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demangling_style_names[i] =
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xstrdup (libiberty_demanglers[i].demangling_style_name);
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set = add_set_enum_cmd ("demangle-style", class_support,
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demangling_style_names,
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(const char **) ¤t_demangling_style_string,
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"Set the current C++ demangling style.\n\
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Use `set demangle-style' without arguments for a list of demangling styles.",
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&setlist);
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show = deprecated_add_show_from_set (set, &showlist);
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set_cmd_sfunc (set, set_demangling_command);
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/* Set the default demangling style chosen at compilation time. */
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set_demangling_style (DEFAULT_DEMANGLING_STYLE);
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}
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