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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2008-2011 Peter Miller
* Written by Peter Miller <pmiller@opensource.org.au>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <libexplain/ac/assert.h>
#include <libexplain/ac/getopt.h>
#include <libexplain/ac/stdio.h>
#include <libexplain/ac/stdlib.h>
#include <libexplain/ac/string.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/output.h>
#include <libexplain/version_print.h>
#include <codegen/catalogue.h>
#include <codegen/elastic_buffer.h>
#include <codegen/generate.h>
#include <codegen/gram.h>
#include <codegen/ioctl_scan.h>
static void
usage(void)
{
fprintf(stderr, "Usage: codegen <declaration>\n");
fprintf(stderr, " codegen -i <include-file>\n");
fprintf(stderr, " codegen -V\n");
exit(EXIT_FAILURE);
}
#ifdef HAVE_GETOPT_LONG
static const struct option options[] =
{
{ "ioctl-scan-include", 1, 0, 'i' },
{ "ioctl-scan-generate", 1, 0, 'I' },
{ "lisp", 0, 0, 'l' },
{ "specific", 1, 0, 'g' },
{ "version", 0, 0, 'V' },
{ 0, 0, 0, 0 }
};
#endif
int
main(int argc, char **argv)
{
const char *decl;
node_t *np;
int lisp;
catalogue_t *cp;
int save_at_end;
lisp = 0;
for (;;)
{
#ifdef HAVE_GETOPT_LONG
int c = getopt_long(argc, argv, "g:I:i:lV", options, 0);
#else
int c = getopt(argc, argv, "g:I:i:lV");
#endif
if (c < 0)
break;
switch (c)
{
case 'g':
generate_specific(optarg);
break;
case 'I':
ioctl_scan_generate(optarg);
return 0;
case 'i':
ioctl_scan_include(optarg);
return 0;
case 'l':
lisp = 1;
break;
case 'V':
explain_version_print();
return 0;
default:
usage();
/* NOTREACHED */
}
}
if (optind + 1 != argc)
usage();
decl = argv[optind];
save_at_end = !!strchr(decl, '(');
if (!save_at_end)
{
char catpath[300];
if (strchr(decl, '/'))
{
explain_output_error_and_die("did you mean \"-g %s\" ?!?", decl);
}
snprintf(catpath, sizeof(catpath), "catalogue/%s", decl);
/* using prototype from message catalogue */
cp = catalogue_open(catpath);
decl = catalogue_get(cp, "Prototype");
if (!decl)
{
explain_output_error_and_die("catalogue has no Prototype");
}
np = grammar(decl);
if (lisp)
{
node_print_lisp(np, stdout);
return 0;
}
}
else
{
char catpath[300];
np = grammar(decl);
if (lisp)
{
node_print_lisp(np, stdout);
return 0;
}
node_print(np, stdout);
putchar('\n');
/*
* Make there is only one name declared.
*/
assert(node_is(np, "declaration"));
assert(np->nchild >= 1);
if (np->nchild != 3)
{
explain_output_error_and_die("no names declared");
}
assert(node_is(np->child[0], "declaration_specifiers"));
assert(node_is(np->child[1], "init_declarator_list"));
if (np->child[1]->nchild != 1)
{
explain_output_error_and_die("too many names declared");
}
snprintf
(
catpath,
sizeof(catpath),
"catalogue/%s",
find_function_name(np)
);
cp = catalogue_creat(catpath);
catalogue_set(cp, "Prototype", decl);
catalogue_save(cp);
/* don't actually generate anything */
generate_specific("garbage");
}
generate(np, cp);
if (save_at_end)
catalogue_save(cp);
return 0;
}
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