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 #if defined(LIBC_SCCS) && !defined(lint)
  35 static const char tblout_rcsid[] =
  36   "$Id$";
  37 #endif
  38
  39 /*
  40  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
  41  */
  42 #include <stdio.h>
  43 #include <string.h>
  44 #include "rpc_parse.h"
  45 #include "rpc_util.h"
  46 #include "proto.h"
  47
  48 #define TABSIZE         8
  49 #define TABCOUNT        5
  50 #define TABSTOP         (TABSIZE*TABCOUNT)
  51
  52 static const char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
  53
  54 static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
  55 static const char tbl_end[] = "};\n";
  56
  57 static const char null_entry[] = "\n\t(char *(*)())0,\n\
  58  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
  59  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
  60
  61
  62 static const char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
  63
  64 static void write_table (const definition * def);
  65 static void printit (const char *prefix, const char *type);
  66
  67 void
  68 write_tables (void)
  69 {
  70   list *l;
  71   definition *def;
  72
  73   f_print (fout, "\n");
  74   for (l = defined; l != NULL; l = l->next)
  75     {
  76       def = (definition *) l->val;
  77       if (def->def_kind == DEF_PROGRAM)
  78         {
  79           write_table (def);
  80         }
  81     }
  82 }
  83
  84 static void
  85 write_table (const definition * def)
  86 {
  87   version_list *vp;
  88   proc_list *proc;
  89   int current;
  90   int expected;
  91   char progvers[100];
  92   int warning;
  93
  94   for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
  95     {
  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         {
 104           expected = 0;
 105         }
 106       else
 107         {
 108           expected = 1;
 109           f_print (fout, null_entry);
 110         }
 111       for (proc = vp->procs; proc != NULL; proc = proc->next)
 112         {
 113           current = atoi (proc->proc_num);
 114           if (current != expected++)
 115             {
 116               f_print (fout,
 117                        "\n/*\n * WARNING: table out of order\n */\n");
 118               if (warning == 0)
 119                 {
 120                   f_print (stderr,
 121                            "WARNING %s table is out of order\n",
 122                            progvers);
 123                   warning = 1;
 124                   nonfatalerrors = 1;
 125                 }
 126               expected = current + 1;
 127             }
 128           f_print (fout, "\n\t(char *(*)())RPCGEN_ACTION(");
 129
 130           /* routine to invoke */
 131           if (Cflag && !newstyle)
 132             pvname_svc (proc->proc_name, vp->vers_num);
 133           else
 134             {
 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 newstyle */
 146             printit (proc->args.decls->decl.prefix,
 147                      proc->args.decls->decl.type);
 148           /* result info */
 149           printit (proc->res_prefix, proc->res_type);
 150         }
 151
 152       /* print the table trailer */
 153       f_print (fout, tbl_end);
 154       f_print (fout, tbl_nproc, progvers, progvers, progvers);
 155     }
 156 }
 157
 158 static void
 159 printit (const char *prefix, const char *type)
 160 {
 161   int len;
 162   int tabs;
 163
 164
 165   len = fprintf (fout, "\txdr_%s,", stringfix (type));
 166   /* account for leading tab expansion */
 167   len += TABSIZE - 1;
 168   /* round up to tabs required */
 169   tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
 170   f_print (fout, "%s", &tabstr[TABCOUNT - tabs]);
 171
 172   if (streq (type, "void"))
 173     {
 174       f_print (fout, "0");
 175     }
 176   else
 177     {
 178       f_print (fout, "sizeof ( ");
 179       /* XXX: should "follow" be 1 ??? */
 180       ptype (prefix, type, 0);
 181       f_print (fout, ")");
 182     }
 183   f_print (fout, ",\n");
 184 }