#! /bin/sh # Copyright (C) 2018-2021 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 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, see <https://www.gnu.org/licenses/>. cat >input <<EOF 1 + 2 * 3 EOF run 0 7 cat >input <<EOF +1 + +2 * +3 EOF run 0 7 cat >input <<EOF -1 + -2 * -3 EOF run 0 5 cat >input <<EOF 1 + 2 * * 3 EOF run 1 "err: syntax error, unexpected *, expecting + or - or ( or number"