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-rw-r--r--kconfigpp/kconfigpp.sh54
1 files changed, 54 insertions, 0 deletions
diff --git a/kconfigpp/kconfigpp.sh b/kconfigpp/kconfigpp.sh
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+#!/bin/sh
+#
+# Kconfig preprocessor
+#
+# Copyright (C) 2014 Patrick "P. J." McDermott
+#
+# 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 2 of the License, 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; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+set -u
+
+main()
+{
+ if [ ${#} -ne 1 ]; then
+ usage >&2
+ exit 1
+ fi
+
+ parse "${1}"
+}
+
+usage()
+{
+ printf 'Usage: %s <kconfig-file>\n' "${0}"
+}
+
+parse()
+{
+ local file="${1}"
+ local line=
+
+ while IFS='' read line; do
+ if [ "x${line}" != "x${line#source}" ]; then
+ line="$(printf '%s' "${line}" | \
+ sed 's/^source[ \t][ \t]*"*\([^"]*\).*$/\1/')"
+ parse "${line}"
+ else
+ printf '%s\n' "${line}"
+ fi
+ done <"${file}"
+}
+
+main "${@}"