mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-15 07:07:58 +00:00
257 lines
6.1 KiB
Bash
Executable File
257 lines
6.1 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# Checks some of the GNU style formatting rules in a set of patches.
|
|
# Copyright (C) 2010, 2012, 2016 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, see the file COPYING3. If not,
|
|
# see <http://www.gnu.org/licenses/>.
|
|
|
|
# Set to empty in the environment to override.
|
|
: ${color:---color=always}
|
|
|
|
usage() {
|
|
cat <<EOF
|
|
check_GNU_style.sh [patch]...
|
|
|
|
Checks the patches for some of the GNU style formatting problems.
|
|
When FILE is -, read standard input.
|
|
|
|
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 $# -eq 0 && usage
|
|
nfiles=$#
|
|
files="$*"
|
|
|
|
stdin=false
|
|
stdin_tmp=""
|
|
if [ $nfiles -eq 1 ] && [ "$files" = "-" ]; then
|
|
stdin=true
|
|
|
|
# By putting stdin into a temp file, we can handle it just like any other
|
|
# file. F.i., we can cat it twice, which we can't do with stdin.
|
|
stdin_tmp=check_GNU_style.stdin
|
|
cat - > $stdin_tmp
|
|
files=$stdin_tmp
|
|
else
|
|
for f in $files; do
|
|
if [ "$f" = "-" ]; then
|
|
# Let's keep things simple. Either we read from stdin, or we read
|
|
# from files specified on the command line, not both.
|
|
usage
|
|
fi
|
|
if [ ! -f "$f" ]; then
|
|
echo "error: could not read file: $f"
|
|
exit 1
|
|
fi
|
|
done
|
|
fi
|
|
|
|
inp=check_GNU_style.inp
|
|
tmp=check_GNU_style.tmp
|
|
tmp2=check_GNU_style.2.tmp
|
|
tmp3=check_GNU_style.3.tmp
|
|
|
|
# Remove $tmp on exit and various signals.
|
|
trap "rm -f $inp $tmp $tmp2 $tmp3 $stdin_tmp" 0
|
|
trap "rm -f $inp $tmp $tmp2 $tmp3 $stdin_tmp; exit 1" 1 2 3 5 9 13 15
|
|
|
|
if [ $nfiles -eq 1 ]; then
|
|
# There's no need for the file prefix if we're dealing only with one file.
|
|
format="-n"
|
|
else
|
|
format="-nH"
|
|
fi
|
|
|
|
# Remove the testsuite part of the diff. We don't care about GNU style
|
|
# in testcases and the dg-* directives give too many false positives.
|
|
remove_testsuite ()
|
|
{
|
|
awk 'BEGIN{testsuite=0} /^(.*:)?([1-9][0-9]*:)?\+\+\+ / && ! /testsuite\//{testsuite=0} \
|
|
{if (!testsuite) print} /^(.*:)?([1-9][0-9]*:)?\+\+\+ (.*\/)?testsuite\//{testsuite=1}'
|
|
}
|
|
|
|
grep $format '^+' $files \
|
|
| remove_testsuite \
|
|
| grep -v ':+++' \
|
|
> $inp
|
|
|
|
cat_with_prefix ()
|
|
{
|
|
local f="$1"
|
|
|
|
if [ "$prefix" = "" ]; then
|
|
cat "$f"
|
|
else
|
|
awk "{printf \"%s%s\n\", \"$prefix\", \$0}" $f
|
|
fi
|
|
}
|
|
|
|
# Grep
|
|
g (){
|
|
local msg="$1"
|
|
local arg="$2"
|
|
|
|
local found=false
|
|
cat $inp \
|
|
| egrep $color -- "$arg" \
|
|
> "$tmp" && found=true
|
|
|
|
if $found; then
|
|
printf "\n$msg\n"
|
|
cat "$tmp"
|
|
fi
|
|
}
|
|
|
|
# And Grep
|
|
ag (){
|
|
local msg="$1"
|
|
local arg1="$2"
|
|
local arg2="$3"
|
|
|
|
local found=false
|
|
cat $inp \
|
|
| egrep $color -- "$arg1" \
|
|
| egrep $color -- "$arg2" \
|
|
> "$tmp" && found=true
|
|
|
|
if $found; then
|
|
printf "\n$msg\n"
|
|
cat "$tmp"
|
|
fi
|
|
}
|
|
|
|
# reVerse Grep
|
|
vg (){
|
|
local msg="$1"
|
|
local varg="$2"
|
|
local arg="$3"
|
|
|
|
local found=false
|
|
cat $inp \
|
|
| egrep -v -- "$varg" \
|
|
| egrep $color -- "$arg" \
|
|
> "$tmp" && found=true
|
|
|
|
if $found; then
|
|
printf "\n$msg\n"
|
|
cat "$tmp"
|
|
fi
|
|
}
|
|
|
|
col (){
|
|
local msg="$1"
|
|
|
|
local first=true
|
|
local f
|
|
for f in $files; do
|
|
prefix=""
|
|
if [ $nfiles -ne 1 ]; then
|
|
prefix="$f:"
|
|
fi
|
|
|
|
# Don't reuse $inp, which may be generated using -H and thus contain a
|
|
# file prefix. Re-remove the testsuite since we're not using $inp.
|
|
cat $f | remove_testsuite \
|
|
| grep -n '^+' \
|
|
| grep -v ':+++' \
|
|
> $tmp
|
|
|
|
# Keep only line number prefix and patch modifier '+'.
|
|
cat "$tmp" \
|
|
| sed 's/\(^[0-9][0-9]*:+\).*/\1/' \
|
|
> "$tmp2"
|
|
|
|
# Remove line number prefix and patch modifier '+'.
|
|
# Expand tabs to spaces according to tab positions.
|
|
# Keep long lines, make short lines empty. Print the part past 80 chars
|
|
# in red.
|
|
cat "$tmp" \
|
|
| sed 's/^[0-9]*:+//' \
|
|
| expand \
|
|
| awk '{ \
|
|
if (length($0) > 80) \
|
|
printf "%s\033[1;31m%s\033[0m\n", \
|
|
substr($0,1,80), \
|
|
substr($0,81); \
|
|
else \
|
|
print "" \
|
|
}' \
|
|
> "$tmp3"
|
|
|
|
# Combine prefix back with long lines.
|
|
# Filter out empty lines.
|
|
local found=false
|
|
paste -d '\0' "$tmp2" "$tmp3" \
|
|
| grep -v '^[0-9][0-9]*:+$' \
|
|
> "$tmp" && found=true
|
|
|
|
if $found; then
|
|
if $first; then
|
|
printf "\n$msg\n"
|
|
first=false
|
|
fi
|
|
cat_with_prefix "$tmp"
|
|
fi
|
|
done
|
|
}
|
|
|
|
|
|
col 'Lines should not exceed 80 characters.'
|
|
|
|
g 'Blocks of 8 spaces should be replaced with tabs.' \
|
|
' {8}'
|
|
|
|
g 'Trailing whitespace.' \
|
|
'[[:space:]]$'
|
|
|
|
g 'Space before dot.' \
|
|
'[[:alnum:]][[:blank:]]+\.'
|
|
|
|
g 'Dot, space, space, new sentence.' \
|
|
'[[:alnum:]]\.([[:blank:]]|[[:blank:]]{3,})[A-Z0-9]'
|
|
|
|
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 parenthesis.' \
|
|
'\#define' \
|
|
'[[:alnum:]]([[:blank:]]{2,})?\('
|
|
|
|
g 'There should be no space before a left square bracket.' \
|
|
'[[:alnum:]][[:blank:]]+\['
|
|
|
|
g 'There should be no space before closing parenthesis.' \
|
|
'[[:graph:]][[:blank:]]+\)'
|
|
|
|
# This will give false positives for C99 compound literals.
|
|
g 'Braces should be on a separate line.' \
|
|
'(\)|else)[[:blank:]]*{'
|
|
|
|
# Does this apply to definitions of aggregate objects?
|
|
ag 'Trailing operator.' \
|
|
'^[1-9][0-9]*:\+[[:space:]]' \
|
|
'(([^a-zA-Z_]\*)|([-%<=&|^?])|([^*]/)|([^:][+]))$'
|