#!/bin/sh
# Check the set of headers with conformtest expectations for a given standard.
# Copyright (C) 2014-2016 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.

set -e

setglobal std = $1
setglobal CC = $2
setglobal expected_list = $3
setglobal all_data_files = $4

setglobal new_list = ''

for f in [$all_data_files] {
  setglobal h = $(f#data/)
  setglobal h = $(h%-data)
  setglobal exp = $[$CC -D$std -x c -E $f | sed -e '/^#/d' -e '/^[ 	]*$/d]
  if test $exp {
    setglobal new_list = ""$new_list $h""
  }
}

echo "Headers with expectations for $std: $new_list"
echo "Expected list: $expected_list"

setglobal rc = '0'

for h in [$expected_list] {
  match " $new_list " {
    with (*" $h "*
      
    with (*
      echo "Missing expectations for $h."
      setglobal rc = '1'
      
  }
}

for h in [$new_list] {
  match " $expected_list " {
    with (*" $h "*
      
    with (*
      echo "Spurious expectations for $h."
      setglobal rc = '1'
      
  }
}

exit $rc