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/*
* Copyright © 2009 Joonas Pihlaja
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/* Usage:
* ./make-cairo-test-constructors [tests.c...] >cairo-test-constructors.c
*
* Parses invocations of the CAIRO_TEST macro from the source files
* given on the command line, gathers names of tests, and outputs a C
* file with one function _cairo_test_runner_register_tests() which
* calls the functions _register_<testname>() in reverse order.
*/
/* Keep this file ANSI compliant without any special needs. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#define NAME "make-cairo-test-constructors.c"
static struct name {
struct name *next;
char name[1];
} *head;
static void *
xmalloc (size_t n)
{
void *bytes = malloc(n);
if (!bytes) {
fprintf (stderr, "Out of memory\n");
exit(2);
}
return bytes;
}
static void
add_name (const char *name)
{
struct name *node;
int len;
len = strlen (name);
node = xmalloc (sizeof (struct name) + len);
memcpy (node->name, name, len + 1);
node->next = head;
head = node;
}
static int
scan_file (const char *filename,
FILE *fp)
{
int line_num = 0;
char linebuf[1024];
int fail = 0;
while (fgets (linebuf, sizeof (linebuf)-1, fp)) {
char *macro;
char *name;
size_t length;
line_num++;
linebuf[sizeof (linebuf)-1] = 0;
macro = strstr (linebuf, "CAIRO_TEST");
if (!macro)
continue;
macro += strlen ("CAIRO_TEST");
length = strspn (macro, " (");
if (length == 0)
continue;
name = macro + length;
length = strspn (name,
"_"
"abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"0123456789");
name[length] = 0;
if (length == 0) {
fprintf (stderr, "%s:%d: CAIRO_TEST invocation "
"can't be parsed by " NAME "\n",
filename, line_num);
fail = 1;
continue;
}
add_name (name);
}
return fail;
}
int
main (int argc, char **argv)
{
char buf[PATH_MAX];
int i;
int fail = 0;
struct name *node;
for (i = 2; i < argc; i++) {
FILE *fp;
snprintf (buf, sizeof (buf), "%s/%s", argv[1], argv[i]);
fp = fopen (buf, "r");
if (fp) {
fail |= scan_file (argv[i], fp);
fclose (fp);
} else
fail = 1;
}
if (fail)
exit(1);
puts ("/* WARNING: Autogenerated file - see " NAME "! */");
puts ("");
puts ("#include \"cairo-test-private.h\"");
puts ("");
for (node = head; node; node = node->next) {
printf ("extern void _register_%s (void);\n",
node->name);
}
puts("");
puts ("void _cairo_test_runner_register_tests (void);");
puts("");
puts ("void");
puts ("_cairo_test_runner_register_tests (void)");
puts ("{");
for (node = head; node; node = node->next) {
printf (" _register_%s ();\n", node->name);
}
puts ("}");
return 0;
}
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