#!/bin/sh

setglobal include_dir = '../../include/openssl'
setglobal out = "$(include_dir)/lhash_macros.h"

cat > $out << """
/* Copyright (c) 2014, Google Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */

#if !defined(IN_LHASH_H)
#error "Don't include this file directly. Include lhash.h"
#endif

"""

proc output_lhash {
  setglobal type = $1

  cat >> $out << """
/* $(type) */
#define lh_$(type)_new(hash, comp)'\'
((LHASH_OF($(type))*) lh_new(CHECKED_CAST(lhash_hash_func, uint32_t (*) (const $(type) *), hash), CHECKED_CAST(lhash_cmp_func, int (*) (const $(type) *a, const $(type) *b), comp)))

#define lh_$(type)_free(lh)'\'
  lh_free(CHECKED_CAST(_LHASH*, LHASH_OF($(type))*, lh));

#define lh_$(type)_num_items(lh)'\'
  lh_num_items(CHECKED_CAST(_LHASH*, LHASH_OF($(type))*, lh))

#define lh_$(type)_retrieve(lh, data)'\'
  (($(type)*) lh_retrieve(CHECKED_CAST(_LHASH*, LHASH_OF($(type))*, lh), CHECKED_CAST(void*, $(type)*, data)))

#define lh_$(type)_insert(lh, old_data, data)'\'
  lh_insert(CHECKED_CAST(_LHASH*, LHASH_OF($(type))*, lh), CHECKED_CAST(void**, $(type)**, old_data), CHECKED_CAST(void*, $(type)*, data))

#define lh_$(type)_delete(lh, data)'\'
  (($(type)*) lh_delete(CHECKED_CAST(_LHASH*, LHASH_OF($(type))*, lh), CHECKED_CAST(void*, $(type)*, data)))

#define lh_$(type)_doall(lh, func)'\'
  lh_doall(CHECKED_CAST(_LHASH*, LHASH_OF($(type))*, lh), CHECKED_CAST(void (*)(void*), void (*) ($(type)*), func));

#define lh_$(type)_doall_arg(lh, func, arg)'\'
  lh_doall_arg(CHECKED_CAST(_LHASH*, LHASH_OF($(type))*, lh), CHECKED_CAST(void (*)(void*, void*), void (*) ($(type)*, void*), func), arg);


"""
}

setglobal lhash_types = $[cat $(include_dir)/lhash.h | grep '^ \* LHASH_OF:' | sed -e 's/.*LHASH_OF://' -e 's/ .*//]

for type in [$lhash_types] {
  echo Hash of $(type)
  output_lhash $(type)
}

clang-format -i $out