/*      $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");
}