developer_cmds/rpcgen/rpc_tblout.c

   1 /*      $NetBSD: rpc_tblout.c,v 1.7 1997/10/18 10:54:11 lukem 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 #include <sys/cdefs.h>
  33 #ifndef lint
  34 #if 0
  35 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
  36 #else
  37 __RCSID("$NetBSD: rpc_tblout.c,v 1.7 1997/10/18 10:54:11 lukem Exp $");
  38 #endif
  39 #endif
  40
  41 /*
  42  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
  43  */
  44 #include <stdio.h>
  45 #include <string.h>
  46 #include <stdlib.h>
  47 #include "rpc_scan.h"
  48 #include "rpc_parse.h"
  49 #include "rpc_util.h"
  50
  51 #define TABSIZE         8
  52 #define TABCOUNT        5
  53 #define TABSTOP         (TABSIZE*TABCOUNT)
  54
  55 static char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
  56
  57 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
  58 static char tbl_end[] = "};\n";
  59
  60 static char null_entry[] = "\t(char *(*)())0,\n\
  61  \t(xdrproc_t)xdr_void,\t\t0,\n\
  62  \t(xdrproc_t)xdr_void,\t\t0,\n";
  63
  64 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
  65
  66 static void write_table __P((definition *));
  67 static void printit __P((char *, char *));
  68
  69 void
  70 write_tables()
  71 {
  72         list   *l;
  73         definition *def;
  74
  75         f_print(fout, "\n");
  76         for (l = defined; l != NULL; l = l->next) {
  77                 def = (definition *) l->val;
  78                 if (def->def_kind == DEF_PROGRAM) {
  79                         write_table(def);
  80                 }
  81         }
  82 }
  83
  84 static void
  85 write_table(def)
  86         definition *def;
  87 {
  88         version_list *vp;
  89         proc_list *proc;
  90         int     current;
  91         int     expected;
  92         char    progvers[100];
  93         int     warning;
  94
  95         for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
  96                 warning = 0;
  97                 s_print(progvers, "%s_%s",
  98                     locase(def->def_name), vp->vers_num);
  99                 /* print the table header */
 100                 f_print(fout, tbl_hdr, progvers);
 101
 102                 if (nullproc(vp->procs)) {
 103                         expected = 0;
 104                 } else {
 105                         expected = 1;
 106                         f_print(fout, "%s", null_entry);
 107                 }
 108                 for (proc = vp->procs; proc != NULL; proc = proc->next) {
 109                         if (expected != 0)
 110                                 f_print(fout, "\n");
 111                         current = atoi(proc->proc_num);
 112                         if (current != expected++) {
 113                                 f_print(fout,
 114                                     "/*\n * WARNING: table out of order\n */\n\n");
 115                                 if (warning == 0) {
 116                                         f_print(stderr,
 117                                             "WARNING %s table is out of order\n",
 118                                             progvers);
 119                                         warning = 1;
 120                                         nonfatalerrors = 1;
 121                                 }
 122                                 expected = current + 1;
 123                         }
 124                         f_print(fout, "\t(char *(*)())RPCGEN_ACTION(");
 125
 126                         /* routine to invoke */
 127                         if (!newstyle)
 128                                 pvname_svc(proc->proc_name, vp->vers_num);
 129                         else {
 130                                 if (newstyle)
 131                                         f_print(fout, "_");     /* calls internal func */
 132                                 pvname(proc->proc_name, vp->vers_num);
 133                         }
 134                         f_print(fout, "),\n");
 135
 136                         /* argument info */
 137                         if (proc->arg_num > 1)
 138                                 printit((char *) NULL, proc->args.argname);
 139                         else
 140                                 /* do we have to do something special for
 141                                  * newstyle */
 142                                 printit(proc->args.decls->decl.prefix,
 143                                     proc->args.decls->decl.type);
 144                         /* result info */
 145                         printit(proc->res_prefix, proc->res_type);
 146                 }
 147
 148                 /* print the table trailer */
 149                 f_print(fout, "%s", tbl_end);
 150                 f_print(fout, tbl_nproc, progvers, progvers, progvers);
 151         }
 152 }
 153
 154 static void
 155 printit(prefix, type)
 156         char   *prefix;
 157         char   *type;
 158 {
 159         int     len;
 160         int     tabs;
 161
 162
 163         len = fprintf(fout, "\txdr_%s,", stringfix(type));
 164         /* account for leading tab expansion */
 165         len += TABSIZE - 1;
 166         /* round up to tabs required */
 167         tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
 168         f_print(fout, "%s", &tabstr[TABCOUNT - tabs]);
 169
 170         if (streq(type, "void")) {
 171                 f_print(fout, "0");
 172         } else {
 173                 f_print(fout, "sizeof ( ");
 174                 /* XXX: should "follow" be 1 ??? */
 175                 ptype(prefix, type, 0);
 176                 f_print(fout, ")");
 177         }
 178         f_print(fout, ",\n");
 179 }