usr.bin/rpcgen/rpc_tblout.c

   1 /*      $NetBSD: rpc_tblout.c,v 1.10 2002/02/05 22:41:47 christos Exp $ */
   2 /*
   3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   4  * unrestricted use provided that this legend is included on all tape
   5  * media and as a part of the software program in whole or part.  Users
   6  * may copy or modify Sun RPC without charge, but are not authorized
   7  * to license or distribute it to anyone else except as part of a product or
   8  * program developed by the user or with the express written consent of
   9  * Sun Microsystems, Inc.
  10  *
  11  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  12  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  13  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  14  *
  15  * Sun RPC is provided with no support and without any obligation on the
  16  * part of Sun Microsystems, Inc. to assist in its use, correction,
  17  * modification or enhancement.
  18  *
  19  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  20  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  21  * OR ANY PART THEREOF.
  22  *
  23  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  24  * or profits or other special, indirect and consequential damages, even if
  25  * Sun has been advised of the possibility of such damages.
  26  *
  27  * Sun Microsystems, Inc.
  28  * 2550 Garcia Avenue
  29  * Mountain View, California  94043
  30  */
  31
  32 #if HAVE_NBTOOL_CONFIG_H
  33 #include "nbtool_config.h"
  34 #endif
  35
  36 #include <sys/cdefs.h>
  37 #if defined(__RCSID) && !defined(lint)
  38 #if 0
  39 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
  40 #else
  41 __RCSID("$NetBSD: rpc_tblout.c,v 1.10 2002/02/05 22:41:47 christos Exp $");
  42 #endif
  43 #endif
  44
  45 /*
  46  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
  47  */
  48 #include <stdio.h>
  49 #include <string.h>
  50 #include <stdlib.h>
  51 #include "rpc_scan.h"
  52 #include "rpc_parse.h"
  53 #include "rpc_util.h"
  54
  55 #define TABSIZE         8
  56 #define TABCOUNT        5
  57 #define TABSTOP         (TABSIZE*TABCOUNT)
  58
  59 static char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
  60
  61 static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
  62 static const char tbl_end[] = "};\n";
  63
  64 static const char null_entry[] = "\t(char *(*)())0,\n\
  65  \t(xdrproc_t)xdr_void,\t\t0,\n\
  66  \t(xdrproc_t)xdr_void,\t\t0,\n";
  67
  68 static const char tbl_nproc[] =
  69     "u_int %s_nproc =\n\t(u_int)(sizeof(%s_table)/sizeof(%s_table[0]));\n\n";
  70
  71 static void write_table __P((definition *));
  72 static void printit __P((char *, char *));
  73
  74 void
  75 write_tables()
  76 {
  77         list   *l;
  78         definition *def;
  79
  80         f_print(fout, "\n");
  81         for (l = defined; l != NULL; l = l->next) {
  82                 def = (definition *) l->val;
  83                 if (def->def_kind == DEF_PROGRAM) {
  84                         write_table(def);
  85                 }
  86         }
  87 }
  88
  89 static void
  90 write_table(def)
  91         definition *def;
  92 {
  93         version_list *vp;
  94         proc_list *proc;
  95         int     current;
  96         int     expected;
  97         char    progvers[100];
  98         int     warning;
  99
 100         for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
 101                 warning = 0;
 102                 s_print(progvers, "%s_%s",
 103                     locase(def->def_name), vp->vers_num);
 104                 /* print the table header */
 105                 f_print(fout, tbl_hdr, progvers);
 106
 107                 if (nullproc(vp->procs)) {
 108                         expected = 0;
 109                 } else {
 110                         expected = 1;
 111                         f_print(fout, null_entry);
 112                 }
 113                 for (proc = vp->procs; proc != NULL; proc = proc->next) {
 114                         if (expected != 0)
 115                                 f_print(fout, "\n");
 116                         current = atoi(proc->proc_num);
 117                         if (current != expected++) {
 118                                 f_print(fout,
 119                                     "/*\n * WARNING: table out of order\n */\n\n");
 120                                 if (warning == 0) {
 121                                         f_print(stderr,
 122                                             "WARNING %s table is out of order\n",
 123                                             progvers);
 124                                         warning = 1;
 125                                         nonfatalerrors = 1;
 126                                 }
 127                                 expected = current + 1;
 128                         }
 129                         f_print(fout, "\t(char *(*)())RPCGEN_ACTION(");
 130
 131                         /* routine to invoke */
 132                         if (!newstyle)
 133                                 pvname_svc(proc->proc_name, vp->vers_num);
 134                         else {
 135                                 if (newstyle)
 136                                         f_print(fout, "_");     /* calls internal func */
 137                                 pvname(proc->proc_name, vp->vers_num);
 138                         }
 139                         f_print(fout, "),\n");
 140
 141                         /* argument info */
 142                         if (proc->arg_num > 1)
 143                                 printit((char *) NULL, proc->args.argname);
 144                         else
 145                                 /* do we have to do something special for
 146                                  * newstyle */
 147                                 printit(proc->args.decls->decl.prefix,
 148                                     proc->args.decls->decl.type);
 149                         /* result info */
 150                         printit(proc->res_prefix, proc->res_type);
 151                 }
 152
 153                 /* print the table trailer */
 154                 f_print(fout, tbl_end);
 155                 f_print(fout, tbl_nproc, progvers, progvers, progvers);
 156         }
 157 }
 158
 159 static void
 160 printit(prefix, type)
 161         char   *prefix;
 162         char   *type;
 163 {
 164         int     len;
 165         int     tabs;
 166
 167
 168         len = fprintf(fout, "\txdr_%s,", stringfix(type));
 169         /* account for leading tab expansion */
 170         len += TABSIZE - 1;
 171         /* round up to tabs required */
 172         tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
 173         f_print(fout, "%s", &tabstr[TABCOUNT - tabs]);
 174
 175         if (streq(type, "void")) {
 176                 f_print(fout, "0");
 177         } else {
 178                 f_print(fout, "(u_int)sizeof(");
 179                 /* XXX: should "follow" be 1 ??? */
 180                 ptype(prefix, type, 0);
 181                 f_print(fout, ")");
 182         }
 183         f_print(fout, ",\n");
 184 }