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/* A Quick & Dirty tool to produce the AUTODOC file.
Copyright (c) 2008 Free Software Foundation, Inc.
Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Sandro Sigala.
Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 Reuben Thomas.
This file is part of GNU Zile.
GNU Zile 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, or (at your option)
any later version.
GNU Zile 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 GNU Zile; see the file COPYING. If not, write to the
Free Software Foundation, Fifth Floor, 51 Franklin Street, Boston,
MA 02111-1301, USA. */
#include "config.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* #include other sources so this program can be easily built on the
build host when cross-compiling */
#include "strrstr.c"
#include "vasprintf.c"
#include "zmalloc.c"
#include "astr.c"
struct fentry
{
char *name;
char *key1;
char *key2;
char *key3;
char *key4;
astr doc;
} fentry_table[] =
{
#define X0(zile_name, c_name) \
{ zile_name, NULL, NULL, NULL, NULL, NULL },
#define X1(zile_name, c_name, key1) \
{ zile_name, key1, NULL, NULL, NULL, NULL },
#define X2(zile_name, c_name, key1, key2) \
{ zile_name, key1, key2, NULL, NULL, NULL },
#define X3(zile_name, c_name, key1, key2, key3) \
{ zile_name, key1, key2, key3, NULL, NULL },
#include "tbl_funcs.h"
#undef X0
#undef X1
#undef X2
#undef X3
};
#define fentry_table_size (sizeof fentry_table / sizeof fentry_table[0])
struct ventry
{
char *name;
char *defvalue;
int local;
char *doc;
} ventry_table[] =
{
#define X(name, defvalue, local, doc) \
{ name, defvalue, local, doc },
#include "tbl_vars.h"
#undef X
};
#define ventry_table_size (sizeof ventry_table / sizeof ventry_table[0])
FILE *input_file;
FILE *output_file;
static void
fdecl (const char *name)
{
astr doc = astr_new ();
astr buf;
unsigned s = 0, i;
while ((buf = astr_fgets (input_file)) != NULL)
{
if (s == 1)
{
if (!strncmp (astr_cstr (buf), "+*/", (size_t) 3))
break;
astr_cat (doc, buf);
astr_cat_char (doc, '\n');
}
if (!strncmp (astr_cstr (buf), "/*+", (size_t) 3))
s = 1;
else if (astr_cstr (buf)[0] == '{')
break;
astr_delete (buf);
}
for (i = 0; i < fentry_table_size; ++i)
if (!strcmp (name, fentry_table[i].name))
fentry_table[i].doc = doc;
}
static void
parse (void)
{
astr buf;
while ((buf = astr_fgets (input_file)) != NULL)
{
if (!strncmp (astr_cstr (buf), "DEFUN (", (size_t) 6))
{
int i, j;
astr sub;
i = astr_find_cstr (buf, "\"");
j = astr_rfind_cstr (buf, "\"");
if (i < 0 || j < 0 || i == j)
{
fprintf (stderr, "mkdoc: invalid DEFUN () syntax\n");
exit (1);
}
sub = astr_substr (buf, i + 1, (size_t) (j - i - 1));
astr_cpy (buf, sub);
astr_delete (sub);
fdecl (astr_cstr (buf));
}
astr_delete (buf);
}
}
static void
dump_help (void)
{
unsigned int i;
for (i = 0; i < fentry_table_size; ++i)
{
astr doc = fentry_table[i].doc;
if (doc != NULL)
fprintf (output_file, "\fF_%s\n%s",
fentry_table[i].name, astr_cstr (doc));
}
for (i = 0; i < ventry_table_size; ++i)
fprintf (output_file, "\fV_%s\n%s\n%s\n",
ventry_table[i].name, ventry_table[i].defvalue,
ventry_table[i].doc);
}
static void
process_file (char *filename)
{
if (filename != NULL && strcmp (filename, "-") != 0)
{
input_file = fopen (filename, "r");
if (input_file == NULL)
{
fprintf (stderr, "mkdoc:%s: %s\n", filename, strerror (errno));
exit (1);
}
}
else
input_file = stdin;
parse ();
if (input_file != stdin)
fclose (input_file);
}
/*
* Stub to make zmalloc &c. happy.
*/
void
zile_exit (int doabort GCC_UNUSED)
{
exit (2);
}
int
main (int argc, char **argv)
{
input_file = stdin;
output_file = stdout;
if (argc < 1)
process_file (NULL);
else
while (*argv)
process_file (*argv++);
dump_help ();
return 0;
}
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