gcc/libiberty/testsuite/test-demangle.c

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/* Demangler test program,
Copyright (C) 2002 Free Software Foundation, Inc.
Written by Zack Weinberg <zack@codesourcery.com
This file is part of GNU libiberty.
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
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ansidecl.h"
#include <stdio.h>
#include "libiberty.h"
#include "demangle.h"
struct line
{
size_t alloced;
char *data;
};
static unsigned int lineno;
/* Safely read a single line of arbitrary length from standard input. */
#define LINELEN 80
static void
getline(buf)
struct line *buf;
{
char *data = buf->data;
size_t alloc = buf->alloced;
size_t count = 0;
int c;
if (data == 0)
{
data = xmalloc (LINELEN);
alloc = LINELEN;
}
/* Skip comment lines. */
while ((c = getchar()) == '#')
{
while ((c = getchar()) != EOF && c != '\n');
lineno++;
}
/* c is the first character on the line, and it's not a comment
line: copy this line into the buffer and return. */
while (c != EOF && c != '\n')
{
if (count >= alloc)
{
alloc *= 2;
data = xrealloc (data, alloc);
}
data[count++] = c;
c = getchar();
}
lineno++;
data[count] = '\0';
buf->data = data;
buf->alloced = alloc;
}
/* The tester operates on a data file consisting of triples of lines:
format switch
input to be demangled
expected output
The format switch is expected to be either the empty string, a
line of the form --format=<name>, or just <name> by itself. */
#define FORMATS "--format="
#define FORMATL (sizeof FORMATS - 1)
int
main(argc, argv)
int argc;
char **argv;
{
enum demangling_styles style;
struct line format;
struct line input;
struct line expect;
char *fstyle;
char *result;
int failures = 0;
int tests = 0;
if (argc > 1)
{
fprintf (stderr, "usage: %s < test-set\n", argv[0]);
return 2;
}
format.data = 0;
input.data = 0;
expect.data = 0;
for (;;)
{
getline (&format);
if (feof (stdin))
break;
getline (&input);
getline (&expect);
tests++;
fstyle = format.data;
if (!strncmp (fstyle, FORMATS, FORMATL))
fstyle += FORMATL;
if (fstyle[0] == '\0')
style = auto_demangling;
else
style = cplus_demangle_name_to_style (fstyle);
if (style == unknown_demangling)
{
printf ("FAIL at line %d: unknown demangling style %s\n",
lineno, fstyle);
failures++;
continue;
}
cplus_demangle_set_style (style);
result = cplus_demangle (input.data,
DMGL_PARAMS|DMGL_ANSI|DMGL_VERBOSE|DMGL_TYPES);
if (result
? strcmp (result, expect.data)
: strcmp (input.data, expect.data))
{
printf ("\
FAIL at line %d, style %s:\n\
in: %s\n\
out: %s\n\
exp: %s\n",
lineno, fstyle,
input.data,
result,
expect.data);
failures++;
}
free (result);
}
free (format.data);
free (input.data);
free (expect.data);
printf ("%s: %d tests, %d failures\n", argv[0], tests, failures);
return failures ? 1 : 0;
}