forked from Archive/PX4-Autopilot
902 lines
36 KiB
Bash
Executable File
902 lines
36 KiB
Bash
Executable File
#! /bin/bash
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# Written by Carlo Wood, September/October 2016.
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function fatal
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{
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echo "$0: ERROR: $*"
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exit 1
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}
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# Make sure we're not having a broken gawk.
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AWK_VERSION=$(awk -V | head -n 1)
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if [[ $AWK_VERSION =~ ^GNU\ Awk\ 4\.[0-9]+\.[0-9]+ ]]; then
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AWK_VERSION=$(echo $AWK_VERSION | sed -e 's/GNU Awk \(4\.[0-9]*\.[0-9]*\).*/\1/')
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if [[ $AWK_VERSION =~ ^4\.0*([2-9]+|1\.0*[2-9]+) ]]; then
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fatal "Your version of awk ($AWK_VERSION) is broken. Please use version 4.1.1 or lower."
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fi
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fi
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echo "AWK_VERSION=$AWK_VERSION"
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# Find out what the base directory is.
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BASEDIR="$(dirname $(dirname $(readlink -en "$0")))"
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echo "BASEDIR=\"$BASEDIR\""
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striplen=$((${#BASEDIR} + 2))
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# BASEDIR may not contain a space, that's just too hard to get to work.
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expr index "$BASEDIR" " " >/dev/null && fatal "it is not supported that BASEDIR contains a space."
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# Make sure that worked.
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test -f $BASEDIR/cmake/posix/px4_impl_posix.cmake || fatal "Failed to determine BASEDIR: '\$BASEDIR/cmake/posix/px4_impl_posix.cmake' is not a regular file."
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# Parse command line parameters.
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debug=0 # Set to non-zero to enable debugging.
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force=0 # Set to 1 to force running of script even when there are uncommitted changes.
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merge=0 # Set to 1 when merging a branch that didn't run this script into master that did already run this script.
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while [[ $# -gt 0 ]]
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do
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case $1 in
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--debug)
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debug=1
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;;
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--force)
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force=1
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;;
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--merge)
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force=1
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merge=1
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fatal "--merge is not implemented yet."
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;;
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-*)
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fatal "Unknown option $1"
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;;
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--|*)
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break
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;;
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esac
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shift
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done
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non_option_arguments=$#
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if [ $non_option_arguments -eq 0 -a $debug -ne 0 ]; then
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fatal "--debug screws up the source files with debug output! You must provide a single filename to run on."
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fi
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# Better not run this script with changes that still need to be committed.
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cd "$BASEDIR" || fatal "Could not change directory to \"$BASEDIR\""
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if ! git diff-index --quiet HEAD --; then
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if [ $non_option_arguments -ne 0 -o $force -eq 1 ]; then
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if [ $force -eq 1 ]; then
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echo "Uncommitted changes, but running anyway because --force is used."
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else
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echo -n "WARNING: You have uncommitted changes (use --force to remove this warning). Run anyway? [y/N] "
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read answer
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if [ "x$answer" != "xy" -a "x$answer" != "xY" ]; then exit 0; fi
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fi
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else
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fatal "Your working directory has uncommitted changes (see 'git status')! Bailing out."
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fi
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fi
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# Find a reasonable tmp directory.
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# First make a list of all build directories by looking for a CMakeCache.txt in them. Sort them so the most recent one is first.
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CMAKECACHE_FILES=$(find "$BASEDIR" -mindepth 2 -maxdepth 2 -type f -name CMakeCache.txt -wholename "$BASEDIR/build/*/CMakeCache.txt" | xargs /bin/ls -td)
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# Make a list of all candidate tmp directories.
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TMPDIRS=
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for f in $CMAKECACHE_FILES; do
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if [ -d $(dirname $f)/tmp ]; then
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TMPDIRS+=" $(dirname $f)/tmp"
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fi
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done
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# Put BASEDIR first in case there are no build directories because /tmp is probably on a different file system.
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TMPDIRS+=" $BASEDIR /tmp ."
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# Pick the first one that is actually writable.
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for tmp in $TMPDIRS; do
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TMPDIR="$tmp"
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if [ -w "$TMPDIR" ]; then
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break;
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fi
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done
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test -n "$TMPDIR" || fatal "Can not find a writable tmp directory."
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echo "TMPDIR=\"$TMPDIR\""
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# Make a list of all source and header files that we need to fix.
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# List of directories that we don't want to touch.
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EXCLUDE_FOLDERS=".git Tools"
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EXCLUDE_PATTERNS="examples matlab/scripts tests test unit_test *_test *_tests test_* apps/test_* UnitTests"
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# A regular expression for the exclude patterns.
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EXCLUDE_PATTERNS_RE="($(echo $EXCLUDE_PATTERNS | sed -e 's/\*/[^\/]*/g;s/ /|/g'))"
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# Extensions of files that we do want to change (leaving out .y and .py for now).
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C_EXTENSIONS=".c .c_in .c_shipped"
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H_EXTENSIONS=".h .h.in .h_template"
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CXX_EXTENSIONS=".cc .cpp .cpp.in .cxx .cpp_template"
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HXX_EXTENSIONS=".hh .hpp .hxx"
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# The regular expression that we consider to be an #include.
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INCLUDE_RE='^[[:space:]]*#[[:space:]]*include[[:space:]]*[<"]'
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# Regular expression for empty lines.
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EMPTY_LINE_RE='^[[:space:]]*$'
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# Regular expression for one-line comments.
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COMMENT_LINE_RE='^[[:space:]]*(\/\/.*|\/\*([^*]|\*+[^\/*])*\*+\/[[:space:]]*)$'
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# Regular expression for a #define (on one line).
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DEFINE_RE='^[[:space:]]*#[[:space:]]*define[[:space:]].*[^\\]$'
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# Regular expression for an #if[[n]def].
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IF_RE='^[[:space:]]*#[[:space:]]*if(n?def)?[[:space:]]'
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# Regular expression for an #endif.
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ENDIF_RE='^[[:space:]]*#[[:space:]]*endif($|[^[:alnum:]])'
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# Regular expression for header file extension.
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HEADER_RE="($(echo $H_EXTENSIONS $HXX_EXTENSIONS | sed -e 's/\./\\./g;s/ /|/g'))"
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# Regular expression for C++ source and header files.
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CXXSRC_RE="($(echo $CXX_EXTENSIONS $HXX_EXTENSIONS | sed -e 's/\./\\./g;s/ /|/g'))"
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# List of standard C header files. Note that cfcntl, cshed and cunistd are NOT standard header files, even though they are in NuttX/nuttx/include/cxx.
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REAL_STDC_HEADERS_RE='(cassert|ccomplex|cctype|cerrno|cfenv|cfloat|cinttypes|ciso646|climits|clocale|cmath|csetjmp|csignal|cstdalign|cstdarg|cstdbool|cstddef|cstdint|cstdio|cstdlib|cstring|ctgmath|ctime|cuchar|cwchar|cwctype)'
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STDC_HEADERS=$(find "$BASEDIR/NuttX/nuttx/include/cxx" -mindepth 1 -maxdepth 1 -type f | xargs basename -a | grep -E "$REAL_STDC_HEADERS_RE" | xargs echo)
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# Regular expression of standard C header files, but with the leading 'c' stripped.
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STDC_HEADERS_RE="($(echo $STDC_HEADERS | sed -e 's/^c//;s/ c/|/g'))"
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# Actual list of standard C header files.
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# List of standard C++ header files.
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REAL_STDCXX_HEADERS_RE='(algorithm|any|array|atomic|bitset|cassert|ccomplex|cctype|cerrno|cfenv|cfloat|chrono|cinttypes|ciso646|climits|clocale|cmath|codecvt|complex|condition_variable|csetjmp|csignal|cstdalign|cstdarg|cstdbool|cstddef|cstdint|cstdio|cstdlib|cstring|ctgmath|ctime|cuchar|cwchar|cwctype|deque|exception|execution|filesystem|forward_list|fstream|functional|future|initializer_list|iomanip|ios|iosfwd|iostream|istream|iterator|limits|list|locale|map|memory|memory_resource|mutex|new|numeric|optional|ostream|queue|random|ratio|regex|scoped_allocator|set|shared_mutex|sstream|stack|stdexcept|streambuf|string|string_view|strstream|system_error|thread|tuple|typeindex|typeinfo|type_traits|unordered_map|unordered_set|utility|valarray|variant|vector)'
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STDCXX_HEADERS=$(find "$BASEDIR/NuttX/misc/uClibc++/include/uClibc++" -mindepth 1 -maxdepth 1 -type f | xargs basename -a | grep -E "$REAL_STDCXX_HEADERS_RE" | grep -E -v "$REAL_STDC_HEADERS_RE" | xargs echo)
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# Regular expression of C++ header files.
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STDCXX_HEADERS_RE="($(echo $STDCXX_HEADERS | sed -e 's/ /|/g'))"
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# Regular expression for #pragma once.
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PRAGMA_ONCE_RE='^#pragma once'
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# Regular expression to recognize the start of a C-comment block.
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COMMENT_BEGIN_RE='(^|[^\/])\/\*([^*]|\*+($|[^\/*]))*$'
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# Regular expression to recognize the end of a C-comment block.
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COMMENT_END_RE='\*\/'
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# Regular expression to match C++ unsafe headers. We currently don't have any C++ unsafe headers, do we?
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# v2.0/standard/mavlink.h is not unsafe, but this way the script will leave it alone and not
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# move it above function declarations that need to be declared before including it.
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UNSAFE_HEADERS_RE='(v2\.0\/standard\/mavlink\.h)'
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#UNSAFE_HEADERS_RE='(stm32\.h|arch\/board\/board\.h)'
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# Find all submodules.
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test -f $BASEDIR/.gitmodules || fatal "No such file: $BASEDIR/.gitmodules"
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SUBMODULES=$(grep -A 1 '^\[submodule' $BASEDIR/.gitmodules | grep '^[[:space:]]*path = ' | sed -r -e 's/^[[:space:]]*path = //' | xargs echo)
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echo "SUBMODULES=\"$SUBMODULES\""
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SUBMODULES_RE="($(echo $SUBMODULES | sed -e 's/ /|/g'))"
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# Disable path name expansion (otherwise the find patterns will be expanded against the files in the current working directory).
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set -f
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EXCLUDE_ARGS=
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for excl in $EXCLUDE_FOLDERS; do
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if [ -z "$EXCLUDE_ARGS" ]; then
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EXCLUDE_ARGS="-wholename $BASEDIR/$excl/*"
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else
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EXCLUDE_ARGS+=" -o -wholename $BASEDIR/$excl/*"
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fi
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done
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for excl in $EXCLUDE_PATTERNS; do
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EXCLUDE_ARGS+=" -o -wholename */$excl/*"
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done
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INCLUDE_H_ARGS=
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for ext in $H_EXTENSIONS $HXX_EXTENSIONS; do
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if [ -z "$INCLUDE_H_ARGS" ]; then
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INCLUDE_H_ARGS="-name *$ext"
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else
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INCLUDE_H_ARGS+=" -o -name *$ext"
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fi
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done
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INCLUDE_C_ARGS=
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for ext in $C_EXTENSIONS $CXX_EXTENSIONS; do
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if [ -z "$INCLUDE_C_ARGS" ]; then
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INCLUDE_C_ARGS="-name *$ext"
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else
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INCLUDE_C_ARGS+=" -o -name *$ext"
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fi
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done
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# Also exclude all submodules -- because we don't maintain those (are we?).
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for subm in $SUBMODULES; do
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if [ -z "$SUBMODULES_ARGS" ]; then
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SUBMODULES_ARGS="-wholename $BASEDIR/$subm/*"
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else
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SUBMODULES_ARGS+=" -o -wholename $BASEDIR/$subm/*"
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fi
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done
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echo -n "Finding all source files with #include's (excluding submodules and build directory)... "
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find $BASEDIR -mindepth 2 -type f ! \( -wholename $BASEDIR/build/* -o $EXCLUDE_ARGS -o $SUBMODULES_ARGS \) \( $INCLUDE_C_ARGS -o $INCLUDE_H_ARGS \) > $TMPDIR/fix_headers_sources
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cat "$TMPDIR/fix_headers_sources" | xargs grep -l "$INCLUDE_RE" > $TMPDIR/fix_headers_sources_with_includes
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echo "done"
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number_of_files=$(sed -n '$=' "$TMPDIR/fix_headers_sources_with_includes")
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count=0
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echo -n "Finding all submodule header files (excluding stdc++ headers)... "
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find $BASEDIR -type f ! \( $EXCLUDE_ARGS \) \( $SUBMODULES_ARGS \) \( $INCLUDE_H_ARGS \) > $TMPDIR/fix_headers_SUBMODULE_HEADERS
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echo "done"
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echo -n "Finding all header files (excluding stdc++ headers)... "
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find $BASEDIR -type f ! \( $EXCLUDE_ARGS \) -wholename $BASEDIR/build/* \( $INCLUDE_H_ARGS \) > $TMPDIR/fix_headers_HEADERS
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grep -E "$HEADER_RE" $TMPDIR/fix_headers_sources >> $TMPDIR/fix_headers_HEADERS
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cat $TMPDIR/fix_headers_SUBMODULE_HEADERS >> $TMPDIR/fix_headers_HEADERS
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echo "done"
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echo -n "Finding all include paths... "
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for f in `cat $TMPDIR/fix_headers_sources_with_includes`; do grep -E "$INCLUDE_RE" $f | sed -r -e "s%$INCLUDE_RE%%"';s/[">].*//'; done | sort -u | grep -E -v "(/|^)$EXCLUDE_PATTERNS_RE/" > $TMPDIR/fix_headers_include_paths
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echo "done"
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function include_path()
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{
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# If the include path starts with a '.', then it is a local header.
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if [[ $1 =~ ^\. ]]; then return 1; fi
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# If the include path starts with 'platforms/' then it is a local header;
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# added this exception here because not everyone has all build_ directories for all targets installed.
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if [[ $1 =~ platforms/ ]]; then return 1; fi
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# apps.h is generated from apps.h.in.
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if [ $1 = "apps.h" ]; then return 1; fi
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# Treat the following headers from src/platforms/*/include as system header because they replace what is found in nuttx (for posix and qurt).
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if [ $1 = "arch/board/board.h" -o $1 = "crc32.h" -o $1 = "i2c.h" -o $1 = "queue.h" -o $1 = "poll.h" -o $1 = "sys/ioctl.h" ]; then return 2; fi
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# Escape the path for reg.exp. matching.
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PATH_RE=$(echo $1 | sed -e 's/\([+.]\)/\\\1/')
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issubmodule=0;
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islocal=0;
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foo=0
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for includedir in $(grep "/$PATH_RE\$" $TMPDIR/fix_headers_HEADERS | cut -c $striplen-); do
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# If the include directory is NuttX header that was copied to the build directory, then it's still a system file.
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if [[ $includedir/ =~ ^build/.*/NuttX/ ]]; then
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issubmodule=1
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# If the include directory is a submodule, then treat it as a system file.
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elif [[ $includedir/ =~ ^$SUBMODULES_RE/ ]]; then
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issubmodule=1;
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else
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islocal=1
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fi
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done
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if [ $islocal -eq 0 ]; then
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if [ $issubmodule -eq 0 ]; then
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# If an include path can't be found then usually it will be a real system header,
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# however, there are a few (ros related?) files that start with px4... In that
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# case just leave the quotes alone ("px4muorb.h" and several <px4/...>).
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if [[ $1 =~ ^px4 ]]; then return 0; fi
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# While if the include path starts with uORB/topics or topics, and it isn't found,
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# then likely we just don't have a build directory. These should be local though.
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# Same for the generated files mixer_multirotor.generated.h and build_git_version.h.
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if [[ $1 =~ ((/|^)topics/|mixer_multirotor\.generated\.h|build_git_version\.h) ]]; then return 1; fi
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fi
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return 2;
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fi # Submodule or system header.
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if [ $issubmodule -eq 0 ]; then return 1; fi # Local.
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# Files that are both local and submodule are simply left alone.
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# These are (at this moment): "battery.h" "common.h" "Matrix.hpp" "mavlink.h" "protocol.h" "pwm.h" "spi.h" "Vector.hpp".
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return 0;
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}
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# Run the include_path function for each of the files in $TMPDIR/fix_headers_include_paths
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echo -n "Determining which headers need to be included with double quotes... "
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echo -n > $TMPDIR/fix_headers_quotes
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for arg in $(cat "$TMPDIR/fix_headers_include_paths"); do
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include_path $arg
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localsystem=$?
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if [ $localsystem -eq 1 ]; then
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echo "$arg \"$arg\"" >> $TMPDIR/fix_headers_quotes
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elif [ $localsystem -eq 2 ]; then
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echo "$arg <$arg>" >> $TMPDIR/fix_headers_quotes
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fi
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done
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echo "done"
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# Truncate the error log.
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echo -n > $TMPDIR/fix_headers_ERROR.log
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function print_error
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{
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echo
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echo -n " ";
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echo "*** $1" | tee -a "$TMPDIR/fix_headers_ERROR.log"
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return 1
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}
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if [ $debug -ne 0 ]; then
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# Debug Line.
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DL='if (cdbl != NR) { printf "\n%u. \"%s\"", NR, $0; cdbl = NR }'
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# Debug Begin.
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DB='if (cdbl != NR) { printf "\n%u. \"%s\" ---> ", NR, $0; cdbl = NR } else printf "; "; printf'
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# Debug End.
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DE=''
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else
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DL='#'
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DB='#'
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DE=''
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fi
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# Error Prefix.
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EP='###'
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# The main function that is called for each source file.
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function fixup_header
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{
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count=$((count + 1))
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echo -n "[$((100 * count / number_of_files))%] Fixing headers of $1... "
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# Is this a header?
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echo "$1" | sed -e 's/\.in$/;in/;s/.*\././;s/;in$/.in/' | grep -v -E "$HEADER_RE\$" >/dev/null; is_header=$?
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if [ $debug -ne 0 ]; then echo "is_header = \"$is_header\""; fi
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# Is this C++ source?
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echo "$1" | sed -e 's/.*\././' | grep -v -E $CXXSRC_RE >/dev/null; is_cxxsrc=$?
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if [ $debug -ne 0 ]; then echo "is_cxxsrc = \"$is_cxxsrc\""; fi
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dont_make_cxxsrc=1
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if [ $is_cxxsrc -eq 0 -a $is_header -ne 0 ]; then
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grep -m 1 -q -E "^[[:space:]]*(#[[:space:]]*include[[:space:]]*<$STDCXX_HEADERS_RE>|(template|namespace|class)(\$|[^[:alnum:]_]))" "$1"
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dont_make_cxxsrc=$?
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fi
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if [ $dont_make_cxxsrc -eq 0 ]; then
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is_cxxsrc=1
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fi
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# Current directory.
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curdir=$(dirname "$BASEDIR/$1")
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# Parse the file.
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#
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# Returns an array of line[]'s. The first line is either the first #include, when it is outside
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# any #if*...#endif constructs not counting the header guard if the file is a header. For example:
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#
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# // Anything here except #include lines.
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# #include <first_include.h> // <-- first line.
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#
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# Or, the first #if* that contains the first #include line. For example:
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# // Anything here except #include lines.
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# #ifndef FOO_H // header guard.
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# #define FOO_H
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# int global = 1; // Anything unknown.
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# #ifdef SOMETHING // <-- first line.
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# #if maybe_more
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# // anything except #include lines.
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# #else
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# // anything except #include lines.
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# #include <first_include.h>
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#
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# Subsequent line[]'s mark the beginning of a new block, where we have the following blocks:
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# type[] Description
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type_include=0 # An #include, outside #if*...#endif constructs except a possible header guard.
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type_ifincludeendif=1 # #if*...#endif constructs with #include's.
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type_ifendif=2 # #if*...#endif constructs without #include's.
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type_decls=3 # __BEGIN_DECLS ... __END_DECLS block.
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type_macro=4 # Contiguous #define block.
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type_comment=5 #(Multi-line) comments.
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type_emptyline=6 # Empty lines.
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type_pragmaonce=7 # #pragma once (must be outside any #if*...#endif constructs).
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type_end=8 # The first line of the remainder of the file.
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#
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# However, any block NOT containing one or more #include's (all types > 1) will
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# cause subsequent blocks that do not contain #include's to be ignored,
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# with as result that those blocks will be treated as contiguous code blocks.
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# A comment that is followed by a type that is not to be ignored as such
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# is given the type that follows (which itself is then ignored).
|
||
# Empty lines are ignored unless they appear directly in front of a type
|
||
# that is not to be ignored according to the above rules, where 'previous
|
||
# types' then are the types before the empty line.
|
||
#
|
||
# For example:
|
||
#
|
||
# > #include <first_header.h> # type_include
|
||
# > #include <second_header.h> # type_include
|
||
# > # type_emptyline
|
||
# > #include <third_header.h> # type_include
|
||
# ^ #ifdef FOO # type_ifendif
|
||
# | #define BAR 1
|
||
# | #endif # (detected here)
|
||
# | <-- ignored because:
|
||
# v #define BAZ(x) x // Do baz <-- ignored (prev and this type in {type_ifendif, type_macro})
|
||
# > # type_emptyline
|
||
# ^ // This include is important: # type_comment, but then replaced by type_ifincludeendif
|
||
# | <-- ignored because:
|
||
# | // more here. <-- ignored same type
|
||
# | #ifdef BAR <-- "ignored": type_ifincludeendif, but put 3 lines higher.
|
||
# | #include <bar.h>
|
||
# v #endif # (detected here)
|
||
# > # type_emptyline
|
||
# > #include <another.h> # type_include
|
||
#
|
||
# This script stops parsing at the first not recognized line outside #if*...#endif constructs
|
||
# unless no first line was found yet. It does not attempt overly hard to decode rare constructs,
|
||
# most notably anything with a leading C comment is not recognized and will thus lead to an abort.
|
||
# For example the following lines are not recognized:
|
||
#
|
||
# /* Some comment */ #include <header.h>
|
||
# /* Some comment */ // Another comment.
|
||
#
|
||
# Lines that have a trailing comment are recognized (by ignoring the comment).
|
||
|
||
result=$(awk "\
|
||
function add(l, t) {
|
||
# First add always succeeds.
|
||
if (ptr > 0) {
|
||
# An empty line is always added, at first, unless the immediate preceding type is an empty line.
|
||
if (t == $type_emptyline && type[ptr - 1] == $type_emptyline) {
|
||
return; $DB \"ignored because line %d is also empty.\", line[ptr - 1] $DE
|
||
}
|
||
# A comment is always, added at first, unless the preceding non-empty line type is a comment.
|
||
# Same for #include's.
|
||
if (t == $type_comment && last_none_type == t) {
|
||
$DB \"ignoring because same type as last_none_type (%s)\", type_name[t] $DE
|
||
# Gobble up preceding empty lines.
|
||
if (type[ptr - 1] == $type_emptyline) {
|
||
--ptr; $DB \"ptr = %d; [43mRemoved type_emptyline @ line %d[0m\", ptr, line[ptr] $DE
|
||
}
|
||
return;
|
||
|
||
}
|
||
# {ifendif, macro}'s are collapsed too.
|
||
if ((t == $type_ifendif || t == $type_macro) && (last_nonws_type == $type_ifendif || last_nonws_type == $type_macro)) {
|
||
# Gobble up preceding comments and empty lines.
|
||
while (ptr > 0 && (type[ptr - 1] == $type_emptyline || type[ptr - 1] == $type_comment)) {
|
||
--ptr; $DB \"ptr = %d; [43mRemoved %s @ line %d[0m\", ptr, type_name[type[ptr]], line[ptr] $DE
|
||
}
|
||
# ptr > 0 here because the first add is never for an empty line or comment.
|
||
last_none_type = type[ptr - 1]; $DB \"last_none_type = %s\", type_name[last_none_type] $DE
|
||
return;
|
||
}
|
||
# type_include and type_pragmaonce and higher are always added.
|
||
}
|
||
if (t == $type_end) {
|
||
# Remove drag.
|
||
while(ptr > 0 && line[ptr - 1] >= l) --ptr;
|
||
}
|
||
# If this type is not an empty line and it was preceded by a comment, then melt it together with that comment.
|
||
else if (t != $type_emptyline && last_none_type == $type_comment) {
|
||
# In this case t cannot be type_comment.
|
||
# Gobble up preceding empty lines.
|
||
if (type[ptr - 1] == $type_emptyline) {
|
||
--ptr; $DB \"ptr = %d; [43mRemoved type_emptyline @ line %d[0m\", ptr, line[ptr] $DE
|
||
}
|
||
# And replace the comment type.
|
||
--ptr; $DB \"ptr = %d; [45mreplacing the %s @ line %d[0m\", ptr, type_name[type[ptr]], line[ptr] $DE
|
||
l = line[ptr];
|
||
|
||
}
|
||
line[ptr] = l; $DB \"ptr = %d; [42m%s @ line %d[0m\", ptr, type_name[t], l $DE;
|
||
type[ptr++] = t;
|
||
if (t != $type_emptyline) {
|
||
last_none_type = t; $DB \"last_none_type = %s\", type_name[last_none_type] $DE
|
||
if (t != $type_comment)
|
||
last_nonws_type = t;
|
||
}
|
||
}
|
||
|
||
BEGIN {
|
||
debug = $debug; # 0: no debug output; non-zero: print debug output.
|
||
header = $is_header; # 0: do not look for a header guard; 1: treat first #ifndef as header guard.
|
||
in_if = 0; # The number of nested levels inside #if, #ifdef or #ifndef ... #endif constructs.
|
||
in_if_base = 0; # 0: no header guard was found (or #pragma once); 1: an #ifndef header guard was found.
|
||
in_decl = 0; # 0: not inside a __BEGIN_DECLS ... __END_DECLS block; 1: inside such a block.
|
||
found_guard = 0; # 0: no header guard was found; 1: a header guard was found (including #pragma once).
|
||
base_if = 0; # The current base-level #if that we are scanning.
|
||
drag = 0; # The number of lines since the last certainly relevant line (a base-level #include or a base-level #endif containing one of more #includes).
|
||
skipped = 0; # 0: No #include was encountered in the current (base-level) #if block; 1: one or more #include's encountered in the current base-level #if block.
|
||
in_comment = 0; # 0: not in a multi-line C comment; 1: in a multi-line C comment.
|
||
cdbl = 0; # Current debug line.
|
||
error = 0; # 0: no error occured; 1: an error occured.
|
||
ptr = 0; # Current pointer into line[] and type[].
|
||
found_comment_end = 0; # The last line (possibly the current line) that is/was a multi-line C comment termination.
|
||
last_none_type = -1; # The last non-emptyline type that was added.
|
||
last_nonws_type = -1; # The last non-whitespace type that was added.
|
||
# For debug purposes:
|
||
type_name[$type_ifendif] = \"type_ifendif\";
|
||
type_name[$type_ifincludeendif] = \"type_ifincludeendif\";
|
||
type_name[$type_decls] = \"type_decls\";
|
||
type_name[$type_comment] = \"type_comment\";
|
||
type_name[$type_emptyline] = \"type_emptyline\";
|
||
type_name[$type_include] = \"type_include\";
|
||
type_name[$type_macro] = \"type_macro\";
|
||
type_name[$type_pragmaonce] = \"type_pragmaonce\";
|
||
type_name[$type_end] = \"type_end\";
|
||
}
|
||
|
||
END {
|
||
last_line = NR - drag;
|
||
add(last_line + 1, $type_end); $DB \"\n\" $DE;
|
||
# Print output.
|
||
if (error || ptr == 0 || last_line < line[0]) {
|
||
print \"error=1\";
|
||
exit
|
||
}
|
||
printf \"lines=\\\"\";
|
||
for (i = 0; i < ptr - 1; ++i)
|
||
printf \"%d \", line[i];
|
||
printf \"%d\\\"; \", line[ptr - 1];
|
||
printf \"types=\\\"\";
|
||
for (i = 0; i < ptr - 1; ++i)
|
||
printf \"%d \", type[i];
|
||
printf \"%d\\\"; \", type[ptr - 1];
|
||
print \"error=0; first_line=\" line[0] \"; last_line=\" last_line
|
||
}
|
||
|
||
#======================================================================================================
|
||
# Handle multi-line C comments.
|
||
|
||
/$COMMENT_END_RE/ {
|
||
if (in_comment) {
|
||
in_comment = 0; $DB \"comment end\" $DE;
|
||
found_comment_end = NR;
|
||
sub(/^([^*]|\*+[^*\/])*\*+\//, \"\") # Remove the tail of the comment.
|
||
}
|
||
# FALL-THROUGH
|
||
}
|
||
|
||
{
|
||
if (in_comment) {
|
||
++drag; $DB \"in comment; drag = %d\", drag $DE;
|
||
next
|
||
}
|
||
found_comment_begin = 0;
|
||
# FALL-THROUGH
|
||
}
|
||
|
||
/$COMMENT_BEGIN_RE/ {
|
||
in_comment = 1; $DB \"comment begin\" $DE;
|
||
found_comment_begin = 1;
|
||
sub(/\/\*([^*]|\*+($|[^*\/]))*$/, \"\") # Remove the head of the comment so that we'll recognize this as an empty line if it is.
|
||
# FALL-THROUGH
|
||
}
|
||
|
||
#======================================================================================================
|
||
# Detect and handle header guard.
|
||
|
||
/$PRAGMA_ONCE_RE/ {
|
||
++drag; $DB \"drag = %d\", drag $DE;
|
||
if (header && found_guard == 0 && in_if == 0) {
|
||
found_guard = NR; $DB \"found_guard = %d\", found_guard $DE;
|
||
if (ptr > 0)
|
||
add(NR, $type_pragmaonce)
|
||
next
|
||
}
|
||
print \"\\n$EP $1:\" NR \": unexpected #pragma once\";
|
||
error = 1;
|
||
exit
|
||
}
|
||
|
||
/^#ifndef / {
|
||
if (ptr == 0 && header && found_guard == 0 && in_if == 0) {
|
||
found_guard = NR; $DB \"found_guard = %d\", found_guard $DE;
|
||
in_if = 1; $DB \"in_if = %d\", in_if $DE;
|
||
in_if_base = 1; $DB \"in_if_base = %d\", in_if_base $DE;
|
||
next
|
||
}
|
||
# FALL-THROUGH
|
||
}
|
||
|
||
#======================================================================================================
|
||
# Detect and handle __BEGIN_DECLS ... __END_DECLS blocks.
|
||
|
||
/^[[:space:]]*__BEGIN_DECLS/ {
|
||
++drag; $DB \"drag = %d\", drag $DE;
|
||
if (in_decl == 0) {
|
||
in_decl = 1; $DB \"in_decl = 1\" $DE
|
||
add(NR, $type_decls);
|
||
next
|
||
}
|
||
print \"\\n$EP $1:\" NR \": Nested __BEGIN_DECLS!\";
|
||
error = 1;
|
||
exit
|
||
}
|
||
|
||
/^[[:space:]]*__END_DECLS/ {
|
||
++drag; $DB \"drag = %d\", drag $DE;
|
||
if (in_decl == 1) {
|
||
in_decl = 0; $DB \"in_decl = 0\" $DE
|
||
if (skipped) {
|
||
drag = 0;
|
||
} else if (ptr == 1) {
|
||
ptr = 0; $DB \"erase DECLS block\" $DE
|
||
last_none_type = -1;
|
||
}
|
||
next
|
||
}
|
||
print \"\\n$EP $1:\" NR \": __END_DECLS without matching __BEGIN_DECLS!\";
|
||
error = 1;
|
||
exit
|
||
}
|
||
|
||
#======================================================================================================
|
||
# Detect and handle #if ... #endif blocks.
|
||
|
||
/$IF_RE/ {
|
||
++drag; $DB \"drag = %d\", drag $DE;
|
||
if (in_if == in_if_base && in_decl == 0) {
|
||
skipped = 0; $DB \"skipped = 0\" $DE;
|
||
base_if = NR; $DB \"base_if = %d\", NR $DE;
|
||
}
|
||
++in_if; $DB \"in_if = %d\", in_if $DE;
|
||
next
|
||
}
|
||
|
||
/$ENDIF_RE/ {
|
||
--in_if; $DB \"in_if = %d\", in_if $DE;
|
||
if (in_if < 0) {
|
||
print \"\\n$EP $1:\" NR \": #endif without matching #if!\";
|
||
error = 1;
|
||
exit
|
||
}
|
||
++drag;
|
||
if (in_if == in_if_base && in_decl == 0) {
|
||
if (skipped) {
|
||
drag = 0;
|
||
add(base_if, $type_ifincludeendif);
|
||
} else if (ptr > 0)
|
||
add(base_if, $type_ifendif);
|
||
} $DB \"drag = %d\", drag $DE;
|
||
# Left header guard?
|
||
if (in_if < in_if_base) { $DB \"left header guard:\" $DE;
|
||
# assert(in_if == 0 && in_if_base == 1 && header && found_guard)
|
||
exit
|
||
}
|
||
next
|
||
}
|
||
|
||
#======================================================================================================
|
||
# Handle #include lines.
|
||
|
||
/$INCLUDE_RE/ {
|
||
if (!/\"(\.\/)?mavlink_msg/) {
|
||
# If we're inside a __BEGIN_DECLS ... __END_DECLS block then only certain headers may be included.
|
||
hname = gensub(/^[[:space:]]*#[[:space:]]*include[[:space:]]*[<\"]([^>\"]*)[>\"].*/, \"\\\1\", \"1\");
|
||
cpp_safe = !(hname ~ /$UNSAFE_HEADERS_RE/);
|
||
$DB \"hname = \\\"\" hname \"\\\"; cpp_safe = \" cpp_safe \"; in_decl = \" in_decl \"; is_cxxsrc = $is_cxxsrc\" $DE
|
||
if (in_decl && cpp_safe) {
|
||
print \"\\n$EP $1:\" NR \": including \" hname \" inside a __BEGIN_DECLS ... __END_DECLS block.\";
|
||
error = 1;
|
||
exit
|
||
} else if (!in_decl && !cpp_safe && $is_cxxsrc) {
|
||
print \"\\n$EP $1:\" NR \": including \" hname \" outside a __BEGIN_DECLS ... __END_DECLS block!\";
|
||
error = 1;
|
||
exit
|
||
}
|
||
if (in_if > in_if_base || in_decl) {
|
||
skipped = 1; $DB \"skipped = 1\" $DE;
|
||
} else {
|
||
drag = 0; $DB \"drag = 0\" $DE;
|
||
add(NR, $type_include); $DB \"first_line = %d\", NR $DE;
|
||
}
|
||
next
|
||
}
|
||
}
|
||
|
||
#======================================================================================================
|
||
# Ignore #define's, empty lines and lines with just comments.
|
||
|
||
/$DEFINE_RE/ {
|
||
++drag; $DB \"drag = %d\", drag $DE;
|
||
if (ptr > 0 && in_if == in_if_base && in_decl == 0) {
|
||
add(NR, $type_macro);
|
||
}
|
||
next
|
||
}
|
||
|
||
/$EMPTY_LINE_RE/ {
|
||
++drag; $DB \"drag = %d\", drag $DE;
|
||
if (ptr > 0 && in_if == in_if_base && in_decl == 0) {
|
||
if (found_comment_begin)
|
||
add(NR, $type_comment);
|
||
else if (found_comment_end != NR)
|
||
add(NR, $type_emptyline);
|
||
}
|
||
next
|
||
}
|
||
|
||
/$COMMENT_LINE_RE/ {
|
||
++drag; $DB \"drag = %d\", drag $DE;
|
||
if (ptr > 0 && in_if == in_if_base && in_decl == 0 && type[ptr - 1] != $type_comment) {
|
||
add(NR, $type_comment);
|
||
}
|
||
next
|
||
}
|
||
|
||
#======================================================================================================
|
||
# Handle everything else (unrecognized lines).
|
||
|
||
{
|
||
++drag; $DB \"unknown; drag = %d\", drag $DE;
|
||
if (ptr > 0 && in_if <= in_if_base && in_decl == 0) {
|
||
exit
|
||
}
|
||
}
|
||
|
||
" "$BASEDIR/$1")
|
||
|
||
# Decode the result.
|
||
vars=$(echo "$result" | tail -n 1)
|
||
error_msg=$(echo "$result" | grep "^$EP " | sed -e 's/^....//')
|
||
if [ $debug -ne 0 ]; then
|
||
len=$(echo "$result" | wc --lines)
|
||
echo "$result" | head -n $((len - 1)) | grep -v "^$EP " # Debug messages
|
||
echo "vars: $vars"
|
||
fi
|
||
# Evaluate the last line printed in END.
|
||
error=1; eval $vars
|
||
test -z "$error_msg" || print_error "$error_msg" || return
|
||
test $error -eq 0 -a $first_line -gt 0 || print_error "FAILED to find an #include in $1?!" || return
|
||
test $last_line -ge $first_line || print_error "FAILED to find a sensible last line in $1?!" || return
|
||
|
||
# Calculate the number of lines starting from the current line.
|
||
# Use sed to count lines, because wc --lines doesn't report the last line when that doesn't end on a new-line, contrary to the fact that tail treats such lines as lines.
|
||
total_lines=$(sed -n '$=' "$BASEDIR/$1")
|
||
if [ $debug -ne 0 ]; then echo "total_lines = \"$total_lines\""; fi
|
||
|
||
# Edit the first_line...last_line block.
|
||
# Header files are ordered as follows (lowest value first):
|
||
cat_winsock=0; # Winsock2.h
|
||
cat_posix_sys=1; # posix_sys.h or one of the px4_ headers that include it.
|
||
cat_px4=2; # Other px4_*.h
|
||
cat_local=3; # "*.h"
|
||
cat_cxx=4; # <std c++ header>, ie <iostream>
|
||
cat_c=5; # <c std c++ header>, ie <cstdio>
|
||
cat_system=6; # <*.h>
|
||
|
||
head -n $last_line "$BASEDIR/$1" | tail -n $((last_line - first_line + 1)) | awk "
|
||
|
||
function sort_by_type_line_header_type_hname(blk2, v2, blk1, v1) {
|
||
# Return true if blk1 comes before blk2.
|
||
# Move type_include before the rest. Keep the same line order for the rest.
|
||
return (type[blk2] != $type_include && (type[blk1] == $type_include || line[blk1] < line[blk2])) ||
|
||
(type[blk2] == $type_include && type[blk1] == $type_include &&
|
||
# If both are include's then put include with a lower header_type first; sort alphabetically for the same header type.
|
||
(header_type[blk1] < header_type[blk2] || (header_type[blk1] == header_type[blk2] && hname[blk1] < hname[blk2])));
|
||
}
|
||
|
||
BEGIN {
|
||
first_line = $first_line;
|
||
split(\"$lines\", line);
|
||
split(\"$types\", type);
|
||
i = 0;
|
||
do {
|
||
line[++i] -= first_line - 1;
|
||
} while(type[i] != $type_end)
|
||
for(b = 0; b < i; ++b) header_type[b] = 100;
|
||
blk = 1;
|
||
n = 0;
|
||
is_cxxsrc = $is_cxxsrc;
|
||
# px4_posix.h includes px4_defines.h includes px4_log.h includes posix_sys.h which must be the first header included.
|
||
sys_val[\"px4_posix.h\"] = 1;
|
||
sys_val[\"px4_defines.h\"] = 2;
|
||
sys_val[\"px4_log.h\"] = 3;
|
||
sys_val[\"posix_sys.h\"] = 4;
|
||
saw_sys_val = 5; # Didn't see any of the above; otherwise the lowest value of the header seen.
|
||
for(b = 0; b < i; ++b) saw_sys[b] = saw_sys_val;
|
||
}
|
||
|
||
END {
|
||
l = asorti(txt, k, \"sort_by_type_line_header_type_hname\");
|
||
for (b = 1; b <= l; ++b) {
|
||
if (type[k[b]] == $type_include && header_type[k[b]] == $cat_posix_sys && saw_sys[k[b]] > saw_sys_val) continue;
|
||
len = length(txt[k[b]]);
|
||
for (n = 0; n < len; ++n) print txt[k[b]][n];
|
||
if (b < l && type[k[b]] == $type_include && type[k[b+1]] != $type_emptyline &&
|
||
(type[k[b+1]] != $type_include || (header_type[k[b]] != header_type[k[b+1]] && header_type[k[b+1]] != $cat_px4))) {
|
||
printf \"\n\";
|
||
}
|
||
}
|
||
}
|
||
|
||
{
|
||
if (NR == line[blk + 1]) {
|
||
++blk;
|
||
n = 0;
|
||
}
|
||
}
|
||
|
||
/$INCLUDE_RE/ {
|
||
# Don't use double quotes around standard header names.
|
||
\$0 = gensub(/^([[:space:]]*#[[:space:]]*include[[:space:]]*)\\\"$STDC_HEADERS_RE\\.h\\\"/, \"\\\1<\\\2.h>\", \"1\");
|
||
if (is_cxxsrc) {
|
||
\$0 = gensub(/^([[:space:]]*#[[:space:]]*include[[:space:]]*)\\\"$STDCXX_HEADERS_RE\\\"/, \"\\\1<\\\2>\", \"1\");
|
||
# Change deprecated C header names to standard C++ header names in C++ source files.
|
||
\$0 = gensub(/^([[:space:]]*#[[:space:]]*include[[:space:]]*<)$STDC_HEADERS_RE\\.h>/, \"\\\1c\\\2>\", \"1\");
|
||
}
|
||
# Don't include \"./foo.h\", that is implied, so just include \"foo.h\".
|
||
\$0 = gensub(/^([[:space:]]*#[[:space:]]*include[[:space:]]*\\\")\.\//, \"\\\1\", \"1\");
|
||
# Extract the header filename.
|
||
hname[blk] = gensub(/^[[:space:]]*#[[:space:]]*include[[:space:]]*[<\"]([^>\"]*)[>\"].*/, \"\\\1\", \"1\");
|
||
# If the header exists in the directory of the including file, then it is a local header.
|
||
command = sprintf(\"test -e %s/%s\", \"$curdir\", hname[blk]);
|
||
if (system(command) == 0) {
|
||
\$0 = gensub(/^([[:space:]]*#[[:space:]]*include[[:space:]]*)[\"<]([^\">]*)[\">]/, \"\\\1\\\"\\\2\\\"\", \"1\");
|
||
} else {
|
||
# Do we know if this is a local file, or a submodule / system header?
|
||
# The grep reg.exp needs \\ (for backslah) and \1 for back reference, thus: \\\1.
|
||
# However we print the grep command using sprintf, so each backslash needs to be escaped once more: \\\\\\1.
|
||
# Finally, this is a bash string and we need to escape each backslash once more to pass it corrently to awk, hence we need twelve backslahes:
|
||
command = sprintf(\"grep '^%s ' '%s' 2>/dev/null\", gensub(/([.+])/, \"\\\\\\\\\\\\1\", \"g\", hname[blk]), \"$TMPDIR/fix_headers_quotes\");
|
||
ret = command | getline result;
|
||
if (ret != 0) {
|
||
result = substr(result, index(result, \" \") + 1);
|
||
\$0 = gensub(/^([[:space:]]*#[[:space:]]*include[[:space:]]*)[\"<][^\">]*[\">]/, \"\\\1\" result, \"1\");
|
||
}
|
||
}
|
||
# Categorise the header.
|
||
if (hname[blk] == \"Winsock2.h\") {
|
||
if (header_type[blk] > $cat_winsock)
|
||
header_type[blk] = $cat_winsock;
|
||
}
|
||
else if (hname[blk] in sys_val) {
|
||
if (header_type[blk] > $cat_posix_sys)
|
||
header_type[blk] = $cat_posix_sys;
|
||
# posix_sys.h is sometimes included within #ifdef __PX4_POSIX ... #endif. The other headers should not be conditional.
|
||
if ((hname[blk] == \"posix_sys.h\" || type[blk] == $type_include)) {
|
||
type[blk] = $type_include; # Treat #ifdef __PX4_POSIX #include \"posix_sys.h\" #endif as an include for sorting purposes.
|
||
saw_sys[blk] = sys_val[hname[blk]]; # There will be only one include (header name) for this block.
|
||
if (sys_val[hname[blk]] < saw_sys_val)
|
||
saw_sys_val = sys_val[hname[blk]];
|
||
}
|
||
# Use double quotes for these headers.
|
||
\$0 = gensub(/<([[:alnum:]_\/.]*)>/, \"\\\"\\\1\\\"\", \"1\");
|
||
}
|
||
else if (hname[blk] ~ /^(platforms\/px4_|px4_)/) {
|
||
if (header_type[blk] > $cat_px4)
|
||
header_type[blk] = $cat_px4;
|
||
# Use double quotes for these headers.
|
||
\$0 = gensub(/<([[:alnum:]_\/.]*)>/, \"\\\"\\\1\\\"\", \"1\");
|
||
}
|
||
else if (\$0 ~ /^[[:space:]]*#[[:space:]]*include[[:space:]]*\"/) {
|
||
if (header_type[blk] > $cat_local)
|
||
header_type[blk] = $cat_local;
|
||
}
|
||
else if (hname[blk] ~ /^$STDCXX_HEADERS_RE\$/) {
|
||
if (header_type[blk] > $cat_cxx)
|
||
header_type[blk] = $cat_cxx;
|
||
}
|
||
else if (hname[blk] ~ /^c$STDC_HEADERS_RE\$/) {
|
||
if (header_type[blk] > $cat_c)
|
||
header_type[blk] = $cat_c;
|
||
}
|
||
else if (hname[blk] ~ /^$STDC_HEADERS_RE\.h\$/) {
|
||
if (header_type[blk] > $cat_system)
|
||
header_type[blk] = $cat_system;
|
||
}
|
||
}
|
||
|
||
{
|
||
# Remove empty lines before #include's.
|
||
if (type[blk] == $type_include) {
|
||
for (i = 1; blk > i && type[blk - i] == $type_emptyline; ++i)
|
||
delete txt[blk - i]
|
||
}
|
||
txt[blk][n++] = \$0;
|
||
}
|
||
|
||
" > $TMPDIR/fix_headers_current_block
|
||
|
||
# Construct a new file in TMPDIR.
|
||
head -n $((first_line - 1)) "$BASEDIR/$1" > $TMPDIR/fix_headers_current_file
|
||
|
||
# Append the editted block.
|
||
cat $TMPDIR/fix_headers_current_block >> $TMPDIR/fix_headers_current_file
|
||
|
||
# Append the rest.
|
||
tail -n $((total_lines - last_line)) "$BASEDIR/$1" >> $TMPDIR/fix_headers_current_file
|
||
|
||
# Compare original with result.
|
||
if cmp --quiet "$BASEDIR/$1" $TMPDIR/fix_headers_current_file; then
|
||
echo "No change"
|
||
else
|
||
echo "Fixed lines $first_line-$last_line"
|
||
mv $TMPDIR/fix_headers_current_file "$BASEDIR/$1" || fatal "Failed to move $TMPDIR/fix_headers_current_file to $BASEDIR/$1 !?!"
|
||
fi
|
||
}
|
||
|
||
if [ $non_option_arguments -ne 0 ]; then
|
||
fixup_header $1
|
||
exit
|
||
fi
|
||
|
||
# Run the fixup function for each of the files in $TMPDIR/fix_headers_sources_with_includes.
|
||
# Strip BASEDIR because we don't know how long that is and it might too much for bash.
|
||
for arg in $(cat "$TMPDIR/fix_headers_sources_with_includes" | cut -c $striplen-); do
|
||
fixup_header $arg
|
||
done
|
||
|
||
# Clean up.
|
||
if [ $debug -eq 0 -o $# -eq 0 ]; then
|
||
rm "$TMPDIR/fix_headers_sources" "$TMPDIR/fix_headers_sources_with_includes" "$TMPDIR/fix_headers_SUBMODULE_HEADERS" "$TMPDIR/fix_headers_HEADERS" \
|
||
"$TMPDIR/fix_headers_include_paths" "$TMPDIR/fix_headers_quotes" "$TMPDIR/fix_headers_current_block"
|
||
fi
|
||
|
||
# Print all error messages again at the end.
|
||
if [ -s "$TMPDIR/fix_headers_ERROR.log" ]; then
|
||
echo "$0 finished with errors:"
|
||
cat "$TMPDIR/fix_headers_ERROR.log"
|
||
else
|
||
echo "SUCCESS"
|
||
rm "$TMPDIR/fix_headers_ERROR.log"
|
||
fi
|