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A mk_cmds clone that creates SL structures.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4400 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1998-02-15 04:15:49 +00:00
parent cce98d71a9
commit 72357aa510
4 changed files with 590 additions and 0 deletions
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206
lib/sl/make_cmds.c Normal file
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/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "make_cmds.h"
RCSID("$Id$");
#include <roken.h>
#include "parse.h"
int numerror;
extern FILE *yyin;
FILE *c_file;
extern void yyparse(void);
#ifdef YYDEBUG
extern int yydebug = 1;
#endif
char *filename;
char *table_name;
static struct command_list *commands;
void
add_command(char *function,
char *help,
struct string_list *aliases,
unsigned flags)
{
struct command_list *cl = malloc(sizeof(*cl));
cl->function = function;
cl->help = help;
cl->aliases = aliases;
cl->flags = flags;
cl->next = NULL;
if(commands) {
*commands->tail = cl;
commands->tail = &cl->next;
return;
}
cl->tail = &cl->next;
commands = cl;
}
static char *
quote(const char *str)
{
char buf[1024]; /* XXX */
const char *p;
char *q;
q = buf;
*q++ = '\"';
for(p = str; *p != '\0'; p++) {
if(*p == '\n') {
*q++ = '\\';
*q++ = 'n';
continue;
}
if(*p == '\t') {
*q++ = '\\';
*q++ = 't';
continue;
}
if(*p == '\"' || *p == '\\')
*q++ = '\\';
*q++ = *p;
}
*q++ = '\"';
*q++ = '\0';
return strdup(buf);
}
static void
generate_commands(void)
{
char base[128];
char cfn[128];
const char *p;
p = strrchr(table_name, '/');
if(p == NULL)
p = table_name;
else
p++;
strcpy(base, p);
p = strrchr(base, '.');
if(p)
*p == '\0';
snprintf(cfn, sizeof(cfn), "%s.c", base);
c_file = fopen(cfn, "w");
fprintf(c_file, "/* Generated from %s */\n", filename);
fprintf(c_file, "\n");
fprintf(c_file, "#include <stddef.h>\n");
fprintf(c_file, "#include <sl.h>\n");
fprintf(c_file, "\n");
{
struct string_list *sl;
struct command_list *cl, *xl;
char *p, *q;
for(cl = commands; cl; cl = cl->next) {
for(xl = commands; xl != cl; xl = xl->next)
if(strcmp(cl->function, xl->function) == 0)
break;
if(xl != cl)
continue;
/* XXX hack for ss_quit */
if(strcmp(cl->function, "ss_quit") == 0) {
fprintf(c_file, "int %s (int, char**);\n", cl->function);
fprintf(c_file, "#define _ss_quit_wrap ss_quit\n\n",
cl->function, cl->function);
continue;
}
fprintf(c_file, "void %s (int, char**);\n", cl->function);
fprintf(c_file, "static int _%s_wrap (int argc, char **argv)\n",
cl->function);
fprintf(c_file, "{\n");
fprintf(c_file, " %s (argc, argv);\n", cl->function);
fprintf(c_file, " return 0;\n");
fprintf(c_file, "}\n\n");
}
fprintf(c_file, "SL_cmd %s[] = {\n", table_name);
for(cl = commands; cl; cl = cl->next) {
p = quote(cl->function);
q = quote(cl->help);
fprintf(c_file, " { %s, _%s_wrap, %s },\n", p, cl->function, q);
free(p);
free(q);
for(sl = cl->aliases; sl; sl = sl->next) {
p = quote(sl->string);
fprintf(c_file, " { %s },\n", p);
free(p);
}
}
fprintf(c_file, " { NULL },\n");
fprintf(c_file, "};\n");
fprintf(c_file, "\n");
}
fclose(c_file);
}
int
main(int argc, char **argv)
{
char *p;
set_progname(argv[0]);
if(argc != 2) {
fprintf(stderr, "Usage: %s command_table\n", __progname);
exit(1);
}
filename = argv[1];
yyin = fopen(filename, "r");
if(yyin == NULL)
err(1, "%s", filename);
yyparse();
generate_commands();
if(numerror)
return 1;
return 0;
}