path: root/sunrpc/rpc_parse.c

/*
 * From: @(#)rpc_parse.c 1.8 89/02/22 (C) 1987 SMI
 *
 * 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 Sun Microsystems, 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_parse.c, Parser for the RPC protocol compiler
 * Copyright (C) 1987 Sun Microsystems, Inc.
 */
#include <stdio.h>
#include <string.h>
#include "rpc/types.h"
#include "rpc_scan.h"
#include "rpc_parse.h"
#include "rpc_util.h"
#include "proto.h"

#define ARGNAME "arg"

static void isdefined (definition * defp);
static void def_struct (definition * defp);
static void def_program (definition * defp);
static void def_enum (definition * defp);
static void def_const (definition * defp);
static void def_union (definition * defp);
static void check_type_name (const char *name, int new_type);
static void def_typedef (definition * defp);
static void get_declaration (declaration * dec, defkind dkind);
static void get_prog_declaration (declaration * dec, defkind dkind, int num);
static void get_type (const char **prefixp, const char **typep, defkind dkind);
static void unsigned_dec (const char **typep);

/*
 * return the next definition you see
 */
definition *
get_definition (void)
{
  definition *defp;
  token tok;

  defp = ALLOC (definition);
  get_token (&tok);
  switch (tok.kind)
    {
    case TOK_STRUCT:
      def_struct (defp);
      break;
    case TOK_UNION:
      def_union (defp);
      break;
    case TOK_TYPEDEF:
      def_typedef (defp);
      break;
    case TOK_ENUM:
      def_enum (defp);
      break;
    case TOK_PROGRAM:
      def_program (defp);
      break;
    case TOK_CONST:
      def_const (defp);
      break;
    case TOK_EOF:
      free (defp);
      return (NULL);
    default:
      error ("definition keyword expected");
    }
  scan (TOK_SEMICOLON, &tok);
  isdefined (defp);
  return (defp);
}

static void
isdefined (definition * defp)
{
  STOREVAL (&defined, defp);
}

static void
def_struct (definition