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#!/usr/bin/awk -f
# Copyright (C) 2019-2020 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# This awk script checks that aarch64-sve.md (passed either on the
# command line or via stdin) has an up-to-date contents section.
BEGIN {
seen1 = 0
seen2 = 0
errors = 0
}
# The headings in the comments use a two-level hierarchy: ";; == ..."
# for major sections and ";; ---- ..." for minor sections. Each section
# heading must be unique.
#
# The contents section should list all the section headings, using the
# same text and in the same order. We should therefore see exactly two
# copies of the section list.
/^;; == / || /^;; ---- / {
if ($0 in seen || seen2 > 0)
{
if (seen2 >= seen1)
{
printf "error: line not in contents: %s\n", $0 > "/dev/stderr"
errors += 1
exit(1)
}
if ($0 != order[seen2])
{
printf "error: mismatched contents\n saw: %s\nexpected: %s\n", \
$0, order[seen2] > "/dev/stderr"
errors += 1
exit(1)
}
seen2 += 1
}
else
{
seen[$0] = 1
order[seen1] = $0
seen1 += 1
}
}
END {
if (seen2 < seen1 && errors == 0)
{
printf "error: line only in contents: %s\n", order[seen2] > "/dev/stderr"
exit(1)
}
}
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