/* Basic C++ demangling support for GDB.
- Copyright (C) 1991-2014 Free Software Foundation, Inc.
+ Copyright (C) 1991-2017 Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support.
to a styles of demangling, and GDB specific. */
#include "defs.h"
+#include "cli/cli-utils.h" /* for skip_to_space */
#include "command.h"
#include "gdbcmd.h"
#include "demangle.h"
#include "gdb-demangle.h"
+#include "language.h"
+
/* Select the default C++ demangling style to use. The default is "auto",
which allows gdb to attempt to pick an appropriate demangling style for
the executable it has loaded. It can be set to a specific style ("gnu",
#define DEFAULT_DEMANGLING_STYLE AUTO_DEMANGLING_STYLE_STRING
#endif
+static void demangle_command (char *, int);
+
/* See documentation in gdb-demangle.h. */
int demangle = 1;
return c && strchr (cplus_markers, c) != NULL;
}
+/* Demangle the given string in the current language. */
+
+static void
+demangle_command (char *args, int from_tty)
+{
+ char *demangled, *name, *lang_name = NULL;
+ char *arg_buf, *arg_start;
+ int processing_args = 1;
+ const struct language_defn *lang;
+ struct cleanup *cleanups;
+
+ arg_buf = xstrdup (args != NULL ? args : "");
+ cleanups = make_cleanup (xfree, arg_buf);
+ arg_start = arg_buf;
+
+ while (processing_args
+ && *arg_start == '-')
+ {
+ char *p = skip_to_space (arg_start);
+
+ if (strncmp (arg_start, "-l", p - arg_start) == 0)
+ {
+ char *lang_name_end;
+
+ lang_name = skip_spaces (p);
+ lang_name_end = skip_to_space (lang_name);
+ lang_name = savestring (lang_name, lang_name_end - lang_name);
+ make_cleanup (xfree, lang_name);
+ p = lang_name_end;
+ }
+ else if (strncmp (arg_start, "--", p - arg_start) == 0)
+ processing_args = 0;
+ else
+ {
+ *p = '\0';
+ error (_("Unrecognized option '%s' to demangle command. "
+ "Try \"help demangle\"."), arg_start);
+ }
+
+ arg_start = skip_spaces (p);
+ }
+
+ name = arg_start;
+
+ if (*name == '\0')
+ error (_("Usage: demangle [-l language] [--] name"));
+
+ if (lang_name != NULL)
+ {
+ enum language lang_enum;
+
+ lang_enum = language_enum (lang_name);
+ if (lang_enum == language_unknown)
+ error (_("Unknown language \"%s\""), lang_name);
+ lang = language_def (lang_enum);
+ }
+ else
+ lang = current_language;
+
+ demangled = language_demangle (lang, name, DMGL_ANSI | DMGL_PARAMS);
+ if (demangled != NULL)
+ {
+ printf_filtered ("%s\n", demangled);
+ xfree (demangled);
+ }
+ else
+ error (_("Can't demangle \"%s\""), name);
+
+ do_cleanups (cleanups);
+}
+
extern initialize_file_ftype _initialize_demangler; /* -Wmissing-prototypes */
void
libiberty_demanglers[ndems].demangling_style != unknown_demangling;
ndems++)
;
- demangling_style_names = xcalloc (ndems + 1, sizeof (char *));
+ demangling_style_names = XCNEWVEC (const char *, ndems + 1);
for (i = 0;
libiberty_demanglers[i].demangling_style != unknown_demangling;
i++)
set_demangling_command,
show_demangling_style_names,
&setlist, &showlist);
+
+ add_cmd ("demangle", class_support, demangle_command, _("\
+Demangle a mangled name.\n\
+Usage: demangle [-l language] [--] name\n\
+If LANGUAGE is not specified, NAME is demangled in the current language."),
+ &cmdlist);
}