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 const char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
  51
  52 static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
  53 static const char tbl_end[] = "};\n";
  54
  55 static const 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 const 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     {
  74       def = (definition *) l->val;
  75       if (def->def_kind == DEF_PROGRAM)
  76         {
  77           write_table (def);
  78         }
  79     }
  80 }
  81
  82 static void
  83 write_table (const definition * def)
  84 {
  85   version_list *vp;
  86   proc_list *proc;
  87   int current;
  88   int expected;
  89   char progvers[100];
  90   int warning;
  91
  92   for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
  93     {
  94       warning = 0;
  95       s_print (progvers, "%s_%s",
  96                locase (def->def_name), vp->vers_num);
  97       /* print the table header */
  98       f_print (fout, tbl_hdr, progvers);
  99
 100       if (nullproc (vp->procs))
 101         {
 102           expected = 0;
 103         }
 104       else
 105         {
 106           expected = 1;
 107           f_print (fout, null_entry);
 108         }
 109       for (proc = vp->procs; proc != NULL; proc = proc->next)
 110         {
 111           current = atoi (proc->proc_num);
 112           if (current != expected++)
 113             {
 114               f_print (fout,
 115                        "\n/*\n * WARNING: table out of order\n */\n");
 116               if (warning == 0)
 117                 {
 118                   f_print (stderr,
 119                            "WARNING %s table is out of order\n",
 120                            progvers);
 121                   warning = 1;
 122                   nonfatalerrors = 1;
 123                 }
 124               expected = current + 1;
 125             }
 126           f_print (fout, "\n\t(char *(*)())RPCGEN_ACTION(");
 127
 128           /* routine to invoke */
 129           if (Cflag && !newstyle)
 130             pvname_svc (proc->proc_name, vp->vers_num);
 131           else
 132             {
 133               if (newstyle)
 134                 f_print (fout, "_");    /* calls internal func */
 135               pvname (proc->proc_name, vp->vers_num);
 136             }
 137           f_print (fout, "),\n");
 138
 139           /* argument info */
 140           if (proc->arg_num > 1)
 141             printit ((char *) NULL, proc->args.argname);
 142           else
 143             /* do we have to do something special for newstyle */
 144             printit (proc->args.decls->decl.prefix,
 145                      proc->args.decls->decl.type);
 146           /* result info */
 147           printit (proc->res_prefix, proc->res_type);
 148         }
 149
 150       /* print the table trailer */
 151       f_print (fout, tbl_end);
 152       f_print (fout, tbl_nproc, progvers, progvers, progvers);
 153     }
 154 }
 155
 156 static void
 157 printit (const char *prefix, const 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     {
 172       f_print (fout, "0");
 173     }
 174   else
 175     {
 176       f_print (fout, "sizeof ( ");
 177       /* XXX: should "follow" be 1 ??? */
 178       ptype (prefix, type, 0);
 179       f_print (fout, ")");
 180     }
 181   f_print (fout, ",\n");
 182 }