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#!/bin/sh
# Checks some of the GNU style formatting rules in a set of patches.
# Copyright (C) 2010 Free Software Foundation, Inc.
# Contributed by Sebastian Pop <sebastian.pop@amd.com>
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
usage() {
cat <<EOF
check_GNU_style.sh [patch]...
Checks the patches for some of the GNU style formatting problems.
Please note that these checks are not always accurate, and
complete. The reference documentation of the GNU Coding Standards
can be found here: http://www.gnu.org/prep/standards_toc.html
and there are also some additional coding conventions for GCC:
http://gcc.gnu.org/codingconventions.html
EOF
exit 1
}
test $# -eq 0 && usage
tmp=check_GNU_style.tmp
# Remove $tmp on exit and various signals.
trap "rm -f $tmp" 0
trap "rm -f $tmp ; exit 1" 1 2 3 5 9 13 15
# Grep
g (){
msg="$1"
arg="$2"
shift 2
grep -nH '^+' $* \
| grep -v ':+++' \
| egrep --color=always -- "$arg" \
> $tmp && printf "\n$msg\n"
cat $tmp
}
# And Grep
ag (){
msg="$1"
arg1="$2"
arg2="$3"
shift 3
grep -nH '^+' $* \
| grep -v ':+++' \
| egrep --color=always -- "$arg1" \
| egrep --color=always -- "$arg2" \
> $tmp && printf "\n$msg\n"
cat $tmp
}
# reVerse Grep
vg (){
msg="$1"
varg="$2"
arg="$3"
shift 3
grep -nH '^+' $* \
| grep -v ':+++' \
| egrep -v -- "$varg" \
| egrep --color=always -- "$arg" \
> $tmp && printf "\n$msg\n"
cat $tmp
}
col (){
msg="$1"
shift 1
grep -nH '^+' $* \
| grep -v ':+++' \
| cut -f 2 -d '+' \
| awk '{ if (length ($0) > 80) print $0 }' \
> $tmp
if [ -s $tmp ]; then
printf "\n$msg\n"
cat $tmp
fi
}
col 'Lines should not exceed 80 characters.' $*
g 'Trailing whitespace.' \
'[[:space:]]$' $*
g 'Space before dot.' \
'[[:alnum:]][[:blank:]]+\.' $*
g 'Dot, space, space, new sentence.' \
'[[:alnum:]]\.([[:blank:]]|[[:blank:]]{3,})[[:alnum:]]' $*
g 'Dot, space, space, end of comment.' \
'[[:alnum:]]\.([[:blank:]]{0,1}|[[:blank:]]{3,})\*/' $*
g 'Sentences should end with a dot. Dot, space, space, end of the comment.' \
'[[:alnum:]][[:blank:]]*\*/' $*
vg 'There should be exactly one space between function name and parentheses.' \
'\#define' '[[:alnum:]]([^[:blank:]]|[[:blank:]]{2,})\(' $*
g 'There should be no space before closing parentheses.' \
'[[:graph:]][[:blank:]]+\)' $*
ag 'Braces should be on a separate line.' \
'\{' 'if[[:blank:]]\(|while[[:blank:]]\(|switch[[:blank:]]\(' $*
|
