/*      $NetBSD: rpc_tblout.c,v 1.15 2016/01/23 02:33:09 dholland Exp $ */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part.  Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California  94043
*/

#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif

#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
#if 0
static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
#else
__RCSID("$NetBSD: rpc_tblout.c,v 1.15 2016/01/23 02:33:09 dholland Exp $");
#endif
#endif

/*
* rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "rpc_scan.h"
#include "rpc_parse.h"
#include "rpc_util.h"

#define TABSIZE         8
#define TABCOUNT        5
#define TABSTOP         (TABSIZE*TABCOUNT)

static char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";

static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
static const char tbl_end[] = "};\n";

static const char null_entry[] = "\t(char *(*)())0,\n\
\t(xdrproc_t)xdr_void,\t\t0,\n\
\t(xdrproc_t)xdr_void,\t\t0,\n";

static const char tbl_nproc[] =
   "unsigned int %s_nproc =\n\t(unsigned int)(sizeof(%s_table)/sizeof(%s_table[0]));\n\n";

static void write_table(definition *);
static void printit(const char *, const char *);

void
write_tables(void)
{
       list   *l;
       definition *def;

       f_print(fout, "\n");
       for (l = defined; l != NULL; l = l->next) {
               def = (definition *) l->val;
               if (def->def_kind == DEF_PROGRAM) {
                       write_table(def);
               }
       }
}

static void
write_table(definition *def)
{
       version_list *vp;
       proc_list *proc;
       int     current;
       int     expected;
       char    progvers[100];
       int     warning;

       for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
               warning = 0;
               s_print(progvers, "%s_%s",
                   locase(def->def_name), vp->vers_num);
               /* print the table header */
               f_print(fout, tbl_hdr, progvers);

               if (nullproc(vp->procs)) {
                       expected = 0;
               } else {
                       expected = 1;
                       f_print(fout, null_entry);
               }
               for (proc = vp->procs; proc != NULL; proc = proc->next) {
                       if (expected != 0)
                               f_print(fout, "\n");
                       current = atoi(proc->proc_num);
                       if (current != expected++) {
                               f_print(fout,
                                   "/*\n * WARNING: table out of order\n */\n\n");
                               if (warning == 0) {
                                       f_print(stderr,
                                           "WARNING %s table is out of order\n",
                                           progvers);
                                       warning = 1;
                                       nonfatalerrors = 1;
                               }
                               expected = current + 1;
                       }
                       f_print(fout, "\t(char *(*)())RPCGEN_ACTION(");

                       /* routine to invoke */
                       if (!newstyle)
                               pvname_svc(proc->proc_name, vp->vers_num);
                       else {
                               if (newstyle)
                                       f_print(fout, "_");     /* calls internal func */
                               pvname(proc->proc_name, vp->vers_num);
                       }
                       f_print(fout, "),\n");

                       /* argument info */
                       if (proc->arg_num > 1)
                               printit(NULL, proc->args.argname);
                       else
                               /* do we have to do something special for
                                * newstyle */
                               printit(proc->args.decls->decl.prefix,
                                   proc->args.decls->decl.type);
                       /* result info */
                       printit(proc->res_prefix, proc->res_type);
               }

               /* print the table trailer */
               f_print(fout, tbl_end);
               f_print(fout, tbl_nproc, progvers, progvers, progvers);
       }
}

static void
printit(const char *prefix, const char *type)
{
       int     len;
       int     tabs;


       len = fprintf(fout, "\txdr_%s,", stringfix(type));
       /* account for leading tab expansion */
       len += TABSIZE - 1;
       /* round up to tabs required */
       tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
       f_print(fout, "%s", &tabstr[TABCOUNT - tabs]);

       if (streq(type, "void")) {
               f_print(fout, "0");
       } else {
               f_print(fout, "(unsigned int)sizeof(");
               /* XXX: should "follow" be 1 ??? */
               ptype(prefix, type, 0);
               f_print(fout, ")");
       }
       f_print(fout, ",\n");
}