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126 lines
3.2 KiB
Bash
Executable file
126 lines
3.2 KiB
Bash
Executable file
#!/bin/sh
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#
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# cmake-format - a simple cmake formatter
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#
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# Copyright (c) 2019 Ralf Habacker <ralf.habacker@freenet.de>
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#
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# SPDX-License-Identifier: BSD
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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#
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if test -z "$1"; then
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echo "format cmake files by Ralf Habacker"
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echo
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echo "Usage: $0 --all | --end-args | --indents | --keyword-case | --keyword-spaces | --tabs | --trailing-spaces"
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echo
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echo "command line parameter:"
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echo " --all all above"
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echo " --end-args remove obsolete parameter list from end... cmake commands"
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echo " --indents fix indents (requires keyword-case)"
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echo " --keyword-case make all cmake keywords lowercase"
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echo " --keyword-spaces remove spaces between keyword and opening bracket"
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echo " --tabs replace tabs by 4 spaces"
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echo " --trailing-spaces remove trailing spaces"
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echo " --check-indents check indents"
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exit 1
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fi
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# only apply to cmake keywords
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KEYWORDS=$(cmake --help-command-list)
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# do not search in comments
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range="/^[ ]*#/!"
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# use 4 spaces
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indent="\ \ \ \ "
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# remove tabs
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exp="${range}s/\t/${indent}/g"
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expt=$exp
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# remove trailing spaces
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exp="${range}s/[ \t]*$//"
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expts=$exp
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# fix indents
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exp=
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for j in $(echo $KEYWORDS); do
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exp="$exp;${range}s/^ \{1,3\}$j(/${indent}$j(/g"
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exp="$exp;${range}s/^ \{5,7\}$j(/${indent}${indent}$j(/g"
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exp="$exp;${range}s/^ \{9,11\}$j(/${indent}${indent}${indent}$j(/g"
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done
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expki=$exp
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# convert upper case keywords to lower case
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exp=
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for j in $(echo $KEYWORDS); do
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u=$(echo $j | sed 's/.*/\U&/')
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exp="$exp;${range}s/$u[ \t]*(/$j(/g"
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done
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expku=$exp
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# remove spaces after keywords and (
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exp=
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for j in $(echo $KEYWORDS); do
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exp="$exp;${range}s/$j[ \t]\+(/$j(/g"
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done
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expks=$exp
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# remove obsolete arguments from end...()
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exp=
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for j in $(echo $KEYWORDS); do
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e=$(echo $j | grep '^end')
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if test -n "$e"; then
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exp="$exp;${range}s/$j(.*)/$j()/g"
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fi
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done
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expke=$exp
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if test "$1" == "--all"; then
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exp="${expt}${expts}${expku}${expki}${expks}${expke}"
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elif test "$1" == "--end-args"; then
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exp=$expke
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elif test "$1" == "--indents"; then
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exp=$expki
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elif test "$1" == "--keyword-case"; then
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exp=$expku
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elif test "$1" == "--keyword-spaces"; then
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exp=$expks
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elif test "$1" == "--tabs"; then
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exp=$expt
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elif test "$1" == "--trailing-spaces"; then
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exp=$expts
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fi
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# setup dir to apply
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s=$(dirname $0)
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root=$(realpath $s/..)
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#echo $exp
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#echo $root
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if test "$1" = "--check-indents"; then
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echo "locations with unusual indention level changes, please inspect"
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fi
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# script for checking indents
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awk='BEGIN { debug=0; indent=0 }
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$0 ~ /^ {0}/ && $0 !~ /^$/{ indent=0; }
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$0 ~ /^ {4}/ { indent=1; }
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$0 ~ /^ {8}/ { indent=2; }
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$0 ~ /^ {12}/ { indent=3; }
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debug == 1 { print FILENAME "[" NR "]:" indent " " oldindent ": " $0; }
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{ if (indent - oldindent > 1) print FILENAME ":" NR ":" $0; }
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{ oldindent = indent;}
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'
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# apply to cmake related files
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for i in $(find $root -name 'CMakeLists.txt' -o -name '*.cmake' | grep -v README.cmake | grep -v config.h.cmake | grep -v bat.cmake | grep -v '/Find'); do
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# apply style
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if ! test "$1" = "--check-indents"; then
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sed -i "$exp" $i
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else
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gawk "$awk" $i
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fi
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done
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