#include "config.h"
#include "bfd.h"
#include "bucomm.h"
#include "libiberty.h"
#include "demangle.h"
#include "getopt.h"
#include "safe-ctype.h"
static int flags = DMGL_PARAMS | DMGL_ANSI | DMGL_VERBOSE;
static int strip_underscore = TARGET_PREPENDS_UNDERSCORE;
static const struct option long_options[] =
{
{"strip-underscore", no_argument, NULL, '_'},
{"format", required_argument, NULL, 's'},
{"help", no_argument, NULL, 'h'},
{"no-params", no_argument, NULL, 'p'},
{"no-strip-underscores", no_argument, NULL, 'n'},
{"no-verbose", no_argument, NULL, 'i'},
{"types", no_argument, NULL, 't'},
{"version", no_argument, NULL, 'v'},
{NULL, no_argument, NULL, 0}
};
static void
demangle_it (char *mangled_name)
{
char *result;
unsigned int skip_first = 0;
if (mangled_name[0] == '.' || mangled_name[0] == '$')
++skip_first;
if (strip_underscore && mangled_name[skip_first] == '_')
++skip_first;
result = cplus_demangle (mangled_name + skip_first, flags);
if (result == NULL)
printf (mangled_name);
else
{
if (mangled_name[0] == '.')
putchar ('.');
printf (result);
free (result);
}
}
static void
print_demangler_list (FILE *stream)
{
const struct demangler_engine *demangler;
fprintf (stream, "{%s", libiberty_demanglers->demangling_style_name);
for (demangler = libiberty_demanglers + 1;
demangler->demangling_style != unknown_demangling;
++demangler)
fprintf (stream, ",%s", demangler->demangling_style_name);
fprintf (stream, "}");
}
static void
usage (FILE *stream, int status)
{
fprintf (stream, "\
Usage: %s [options] [mangled names]\n", program_name);
fprintf (stream, "\
Options are:\n\
[-_|--strip-underscore] Ignore first leading underscore%s\n",
TARGET_PREPENDS_UNDERSCORE ? " (default)" : "");
fprintf (stream, "\
[-n|--no-strip-underscore] Do not ignore a leading underscore%s\n",
TARGET_PREPENDS_UNDERSCORE ? "" : " (default)");
fprintf (stream, "\
[-p|--no-params] Do not display function arguments\n\
[-i|--no-verbose] Do not show implementation details (if any)\n\
[-t|--types] Also attempt to demangle type encodings\n\
[-s|--format ");
print_demangler_list (stream);
fprintf (stream, "]\n");
fprintf (stream, "\
[@<file>] Read extra options from <file>\n\
[-h|--help] Display this information\n\
[-v|--version] Show the version information\n\
Demangled names are displayed to stdout.\n\
If a name cannot be demangled it is just echoed to stdout.\n\
If no names are provided on the command line, stdin is read.\n");
exit (status);
}
static const char *
standard_symbol_characters (void)
{
return "_$.";
}
static const char *
hp_symbol_characters (void)
{
return "_$.<>#,*&[]:(){}";
}
extern int main (int, char **);
int
main (int argc, char **argv)
{
int c;
const char *valid_symbols;
enum demangling_styles style = auto_demangling;
program_name = argv[0];
xmalloc_set_program_name (program_name);
expandargv (&argc, &argv);
while ((c = getopt_long (argc, argv, "_hinps:tv", long_options, (int *) 0)) != EOF)
{
switch (c)
{
case '?':
usage (stderr, 1);
break;
case 'h':
usage (stdout, 0);
case 'n':
strip_underscore = 0;
break;
case 'p':
flags &= ~ DMGL_PARAMS;
break;
case 't':
flags |= DMGL_TYPES;
break;
case 'i':
flags &= ~ DMGL_VERBOSE;
break;
case 'v':
print_version ("c++filt");
return 0;
case '_':
strip_underscore = 1;
break;
case 's':
style = cplus_demangle_name_to_style (optarg);
if (style == unknown_demangling)
{
fprintf (stderr, "%s: unknown demangling style `%s'\n",
program_name, optarg);
return 1;
}
cplus_demangle_set_style (style);
break;
}
}
if (optind < argc)
{
for ( ; optind < argc; optind++)
{
demangle_it (argv[optind]);
putchar ('\n');
}
return 0;
}
switch (current_demangling_style)
{
case gnu_demangling:
case lucid_demangling:
case arm_demangling:
case java_demangling:
case edg_demangling:
case gnat_demangling:
case gnu_v3_demangling:
case auto_demangling:
valid_symbols = standard_symbol_characters ();
break;
case hp_demangling:
valid_symbols = hp_symbol_characters ();
break;
default:
fatal ("Internal error: no symbol alphabet for current style");
}
for (;;)
{
static char mbuffer[32767];
unsigned i = 0;
c = getchar ();
while (c != EOF && (ISALNUM (c) || strchr (valid_symbols, c)))
{
if (i >= sizeof (mbuffer) - 1)
break;
mbuffer[i++] = c;
c = getchar ();
}
if (i > 0)
{
mbuffer[i] = 0;
demangle_it (mbuffer);
}
if (c == EOF)
break;
putchar (c);
if (c == '\n')
fflush (stdout);
}
fflush (stdout);
return 0;
}