/*

 * From: @(#)rpc_tblout.c 1.4 89/02/22

 *

 * Copyright (c) 2010, Oracle America, Inc.

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are

 * met:

 *

 *     * Redistributions of source code must retain the above copyright

 *       notice, this list of conditions and the following disclaimer.

 *     * Redistributions in binary form must reproduce the above

 *       copyright notice, this list of conditions and the following

 *       disclaimer in the documentation and/or other materials

 *       provided with the distribution.

 *     * Neither the name of the "Oracle America, Inc." nor the names of its

 *       contributors may be used to endorse or promote products derived

 *       from this software without specific prior written permission.

 *

 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

 *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

 *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

 *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

 *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

/*

 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler

 */

#include <stdio.h>

#include <string.h>

#include "rpc_parse.h"

#include "rpc_util.h"

#include "proto.h"

#define TABSIZE		8

#define TABCOUNT	5

#define TABSTOP		(TABSIZE*TABCOUNT)

static const char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";

static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";

static const char tbl_end[] = "};\n";

static const char null_entry[] = "\n\t(char *(*)())0,\n\

 \t(xdrproc_t) xdr_void,\t\t\t0,\n\

 \t(xdrproc_t) xdr_void,\t\t\t0,\n";

static const char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";

static void write_table (const definition * def);

static void printit (const char *prefix, const char *type);

void

write_tables (void)

{

  list *l;

  definition *def;

  f_print (fout, "\n");

  for (l = defined; l != NULL; l = l->next)

    {

      def = (definition *) l->val;

      if (def->def_kind == DEF_PROGRAM)

	{

	  write_table (def);

	}

    }

}

static void

write_table (const definition * def)

{

  version_list *vp;

  proc_list *proc;

  int current;

  int expected;

  char progvers[100];

  int warning;

  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)

    {

      warning = 0;

      s_print (progvers, "%s_%s",

	       locase (def->def_name), vp->vers_num);

      /* print the table header */

      f_print (fout, tbl_hdr, progvers);

      if (nullproc (vp->procs))

	{

	  expected = 0;

	}

      else

	{

	  expected = 1;

	  f_print (fout, null_entry);

	}

      for (proc = vp->procs; proc != NULL; proc = proc->next)

	{

	  current = atoi (proc->proc_num);

	  if (current != expected++)

	    {

	      f_print (fout,

		       "\n/*\n * WARNING: table out of order\n */\n");

	      if (warning == 0)

		{

		  f_print (stderr,

			   "WARNING %s table is out of order\n",

			   progvers);

		  warning = 1;

		  nonfatalerrors = 1;

		}

	      expected = current + 1;

	    }

	  f_print (fout, "\n\t(char *(*)())RPCGEN_ACTION(");

	  /* routine to invoke */

	  if (Cflag && !newstyle)

	    pvname_svc (proc->proc_name, vp->vers_num);

	  else

	    {

	      if (newstyle)

		f_print (fout, "_");	/* calls internal func */

	      pvname (proc->proc_name, vp->vers_num);

	    }

	  f_print (fout, "),\n");

	  /* argument info */

	  if (proc->arg_num > 1)

	    printit ((char *) NULL, proc->args.argname);

	  else

	    /* do we have to do something special for newstyle */

	    printit (proc->args.decls->decl.prefix,

		     proc->args.decls->decl.type);

	  /* result info */

	  printit (proc->res_prefix, proc->res_type);

	}

      /* print the table trailer */

      f_print (fout, tbl_end);

      f_print (fout, tbl_nproc, progvers, progvers, progvers);

    }

}

static void

printit (const char *prefix, const char *type)

{

  int len;

  int tabs;

  len = fprintf (fout, "\txdr_%s,", stringfix (type));

  /* account for leading tab expansion */

  len += TABSIZE - 1;

  /* round up to tabs required */

  tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;

  f_print (fout, "%s", &tabstr[TABCOUNT - tabs]);

  if (streq (type, "void"))

    {

      f_print (fout, "0");

    }

  else

    {

      f_print (fout, "sizeof ( ");

      /* XXX: should "follow" be 1 ??? */

      ptype (prefix, type, 0);

      f_print (fout, ")");

    }

  f_print (fout, ",\n");

}