sunrpc/rpc_tblout.c

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