241 lines
5.6 KiB
C
241 lines
5.6 KiB
C
/*
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* Copyright (c) 1998-1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "make_cmds.h"
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#include <getarg.h>
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RCSID("$Id: make_cmds.c,v 1.6 1999/12/02 16:58:55 joda Exp $");
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#include <roken.h>
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#include <err.h>
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#include "parse.h"
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int numerror;
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extern FILE *yyin;
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FILE *c_file;
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extern void yyparse(void);
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#ifdef YYDEBUG
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extern int yydebug = 1;
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#endif
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char *filename;
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char *table_name;
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static struct command_list *commands;
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void
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add_command(char *function,
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char *help,
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struct string_list *aliases,
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unsigned flags)
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{
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struct command_list *cl = malloc(sizeof(*cl));
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if (cl == NULL)
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err (1, "malloc");
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cl->function = function;
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cl->help = help;
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cl->aliases = aliases;
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cl->flags = flags;
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cl->next = NULL;
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if(commands) {
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*commands->tail = cl;
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commands->tail = &cl->next;
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return;
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}
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cl->tail = &cl->next;
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commands = cl;
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}
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static char *
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quote(const char *str)
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{
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char buf[1024]; /* XXX */
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const char *p;
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char *q;
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q = buf;
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*q++ = '\"';
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for(p = str; *p != '\0'; p++) {
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if(*p == '\n') {
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*q++ = '\\';
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*q++ = 'n';
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continue;
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}
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if(*p == '\t') {
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*q++ = '\\';
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*q++ = 't';
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continue;
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}
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if(*p == '\"' || *p == '\\')
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*q++ = '\\';
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*q++ = *p;
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}
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*q++ = '\"';
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*q++ = '\0';
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return strdup(buf);
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}
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static void
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generate_commands(void)
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{
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char *base;
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char *cfn;
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char *p;
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p = strrchr(table_name, '/');
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if(p == NULL)
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p = table_name;
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else
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p++;
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base = strdup (p);
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if (base == NULL)
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err (1, "strdup");
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p = strrchr(base, '.');
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if(p)
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*p = '\0';
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asprintf(&cfn, "%s.c", base);
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if (cfn == NULL)
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err (1, "asprintf");
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c_file = fopen(cfn, "w");
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if (c_file == NULL)
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err (1, "cannot fopen %s", cfn);
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fprintf(c_file, "/* Generated from %s */\n", filename);
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fprintf(c_file, "\n");
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fprintf(c_file, "#include <stddef.h>\n");
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fprintf(c_file, "#include <sl.h>\n");
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fprintf(c_file, "\n");
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{
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struct command_list *cl, *xl;
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char *p, *q;
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for(cl = commands; cl; cl = cl->next) {
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for(xl = commands; xl != cl; xl = xl->next)
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if(strcmp(cl->function, xl->function) == 0)
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break;
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if(xl != cl)
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continue;
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/* XXX hack for ss_quit */
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if(strcmp(cl->function, "ss_quit") == 0) {
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fprintf(c_file, "int %s (int, char**);\n", cl->function);
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fprintf(c_file, "#define _ss_quit_wrap ss_quit\n\n");
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continue;
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}
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fprintf(c_file, "void %s (int, char**);\n", cl->function);
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fprintf(c_file, "static int _%s_wrap (int argc, char **argv)\n",
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cl->function);
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fprintf(c_file, "{\n");
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fprintf(c_file, " %s (argc, argv);\n", cl->function);
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fprintf(c_file, " return 0;\n");
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fprintf(c_file, "}\n\n");
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}
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fprintf(c_file, "SL_cmd %s[] = {\n", table_name);
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for(cl = commands; cl; cl = cl->next) {
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struct string_list *sl;
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sl = cl->aliases;
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p = quote(sl->string);
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q = quote(cl->help);
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fprintf(c_file, " { %s, _%s_wrap, %s },\n", p, cl->function, q);
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free(p);
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free(q);
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for(sl = sl->next; sl; sl = sl->next) {
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p = quote(sl->string);
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fprintf(c_file, " { %s },\n", p);
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free(p);
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}
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}
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fprintf(c_file, " { NULL },\n");
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fprintf(c_file, "};\n");
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fprintf(c_file, "\n");
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}
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fclose(c_file);
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free(base);
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free(cfn);
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}
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int version_flag;
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int help_flag;
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struct getargs args[] = {
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{ "version", 0, arg_flag, &version_flag },
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{ "help", 0, arg_flag, &help_flag }
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};
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int num_args = sizeof(args) / sizeof(args[0]);
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static void
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usage(int code)
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{
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arg_printusage(args, num_args, NULL, "command-table");
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exit(code);
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}
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int
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main(int argc, char **argv)
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{
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int optind = 0;
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set_progname(argv[0]);
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if(getarg(args, num_args, argc, argv, &optind))
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usage(1);
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if(help_flag)
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usage(0);
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if(version_flag) {
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print_version(NULL);
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exit(0);
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}
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if(argc == optind)
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usage(1);
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filename = argv[optind];
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yyin = fopen(filename, "r");
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if(yyin == NULL)
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err(1, "%s", filename);
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yyparse();
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generate_commands();
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if(numerror)
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return 1;
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return 0;
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}
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