# Error handling callbacks
#
# Copyright (C) 2019 Patrick McDermott
#
# This file is part of opkbuild.
#
# opkbuild 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 of the License, or
# (at your option) any later version.
#
# opkbuild 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 opkbuild.  If not, see <http://www.gnu.org/licenses/>.

_ob_parse_error_cb=''

## @brief Set the parse error callback
## @details \fBob_set_parse_error_cb\fP sets the function to be called upon
##          parse errors.
## @operand cb req The callback function name.  Must accept at least three
##                 arguments: a file name, a line number, and an error ID.
## @return 0 This function returns 0.
## @pure no This function sets an internal global variable.
ob_set_parse_error_cb()
{
	local cb="${1}"
	shift 1

	_ob_parse_error_cb="${cb}"

	return 0
}

_ob_run_parse_error_cb()
{
	local file="${1}"
	local line="${2}"
	local err_id="${3}"
	shift 3

	if [ -n "${_ob_parse_error_cb}" ]; then
		"${_ob_parse_error_cb}" "${file}" "${line}" "${err_id}" "${@}"
		return ${?}
	else
		return 0
	fi
}