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
  35 /*
  36  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
  37  */
  38 #include <stdio.h>
  39 #include <string.h>
  40 #include "rpc_parse.h"
  41 #include "rpc_util.h"
  42 #include "proto.h"
  43
  44 #define TABSIZE         8
  45 #define TABCOUNT        5
  46 #define TABSTOP         (TABSIZE*TABCOUNT)
  47
  48 static const char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
  49
  50 static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
  51 static const char tbl_end[] = "};\n";
  52
  53 static const char null_entry[] = "\n\t(char *(*)())0,\n\
  54  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
  55  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
  56
  57
  58 static const char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
  59
  60 static void write_table (const definition * def);
  61 static void printit (const char *prefix, const char *type);
  62
  63 void
  64 write_tables (void)
  65 {
  66   list *l;
  67   definition *def;
  68
  69   f_print (fout, "\n");
  70   for (l = defined; l != NULL; l = l->next)
  71     {
  72       def = (definition *) l->val;
  73       if (def->def_kind == DEF_PROGRAM)
  74         {
  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     {
  92       warning = 0;
  93       s_print (progvers, "%s_%s",
  94                locase (def->def_name), vp->vers_num);
  95       /* print the table header */
  96       f_print (fout, tbl_hdr, progvers);
  97
  98       if (nullproc (vp->procs))
  99         {
 100           expected = 0;
 101         }
 102       else
 103         {
 104           expected = 1;
 105           f_print (fout, null_entry);
 106         }
 107       for (proc = vp->procs; proc != NULL; proc = proc->next)
 108         {
 109           current = atoi (proc->proc_num);
 110           if (current != expected++)
 111             {
 112               f_print (fout,
 113                        "\n/*\n * WARNING: table out of order\n */\n");
 114               if (warning == 0)
 115                 {
 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, "\n\t(char *(*)())RPCGEN_ACTION(");
 125
 126           /* routine to invoke */
 127           if (Cflag && !newstyle)
 128             pvname_svc (proc->proc_name, vp->vers_num);
 129           else
 130             {
 131               if (newstyle)
 132                 f_print (fout, "_");    /* calls internal func */
 133               pvname (proc->proc_name, vp->vers_num);
 134             }
 135           f_print (fout, "),\n");
 136
 137           /* argument info */
 138           if (proc->arg_num > 1)
 139             printit ((char *) NULL, proc->args.argname);
 140           else
 141             /* do we have to do something special for 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, tbl_end);
 150       f_print (fout, tbl_nproc, progvers, progvers, progvers);
 151     }
 152 }
 153
 154 static void
 155 printit (const char *prefix, const char *type)
 156 {
 157   int len;
 158   int tabs;
 159
 160
 161   len = fprintf (fout, "\txdr_%s,", stringfix (type));
 162   /* account for leading tab expansion */
 163   len += TABSIZE - 1;
 164   /* round up to tabs required */
 165   tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
 166   f_print (fout, "%s", &tabstr[TABCOUNT - tabs]);
 167
 168   if (streq (type, "void"))
 169     {
 170       f_print (fout, "0");
 171     }
 172   else
 173     {
 174       f_print (fout, "sizeof ( ");
 175       /* XXX: should "follow" be 1 ??? */
 176       ptype (prefix, type, 0);
 177       f_print (fout, ")");
 178     }
 179   f_print (fout, ",\n");
 180 }