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111 lines
3.3 KiB
Bash
Executable File
111 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Typical usage: cd src; ../development/tools/header_check.sh
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# file header_check.sh
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# This file is part of LyX, the document processor.
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# Licence details can be found in the file COPYING.
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# author Scott Kostyshak
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# Full author contact details are available in file CREDITS
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# Description:
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# All .cpp and .h files in the current directory and subdirectories
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# are checked to see which include statements could be omitted without
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# causing a build error. Many of these omissions would not be desired.
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# For example, currently if you don't include Undo.h in Undo.cpp, there
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# is no error because Undo.h is included in Cursor.h which is included
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# in Undo.cpp. But clearly we do want to include Undo.h in Undo.cpp.
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# The results are stored in header_check.sh.log
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set -u
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LOG_FILE="$(basename $0).log"
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# For only standard headers:
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# PATTERN='^#include <'
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# For all headers:
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PATTERN='^#include'
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# Exclude common headers with regex
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# (e.g. 'debug.h' will exclude 'support/debug.h')
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# LyX was compiled on exotic environments and these sometimes
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# require headers not needed on win/linux. So check the logs before
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# deleting "redundant" standard libraries, Qt headers or includes around
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# various ifdefs...
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EXCLUDE='\(debug.h\|cstdio\|config.h\)'
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NCORES=$(grep "CPU" /proc/cpuinfo | wc -l)
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function BUILD_FN ()
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{
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PREFIX=''
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# This is not a clean make.
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make -j${NCORES} 2>/dev/null 1>/dev/null
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ERROR_CODE=$?
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# The sed regex is more strict than it needs to be.
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if (( ERROR_CODE != 0 )); then
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# Use just one core, so we don't mix outputs
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IFS='' ERROR_OUTPUT=$(make 2>&1)
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# Without the grep, ERROR_OUTPUT might contain messages such as:
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# 2885 translated messages, 2169 fuzzy translations, 1356 untranslated messages.
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ERROR_OUTPUT=$(echo "${ERROR_OUTPUT}" | grep -i "error: ")
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cppORh=$(echo "${ERROR_OUTPUT}" | head -n 1 | \
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sed 's/.*\.\(cpp\|h\):[0-9]\+:[0-9]\+: error: .*/\1/')
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if [ "${cppORh}" = "cpp" ]; then
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PREFIX='suspicious: '
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elif [ "${cppORh}" != "h" ]; then
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echo -e "Warning: the error was not parsed correctly."\
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"\nThe following string was expected to be"\
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"'.cpp' or '.h': \n ${cppORh}" >&2
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echo ERROR_OUTPUT: "${ERROR_OUTPUT}"
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echo cppORh: "${cppORh}"
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fi
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fi
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return "${ERROR_CODE}"
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}
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echo Making the tree first...
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make -j${NCORES} 2>&1 >/dev/null || exit
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echo "BUILD_FN exited without error after removing the following include statements invididually:" > "${LOG_FILE}" \
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|| { echo "ERROR: could not create log file, ${LOG_FILE}"; exit 1; }
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find -regex ".*\(cpp\|h\)$" | grep -vE "frontends/qt4/ui_|frontends/qt4/moc_" | sort |
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while read FILE_
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do
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FILE_COPY=$( tempfile )
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cp "${FILE_}" "${FILE_COPY}" \
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|| { echo "ERROR: bu copy failed" >&2; exit 1; }
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echo -n "processing ${FILE_}..."
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grep "${PATTERN}" "${FILE_}" | \
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while read INCLUDE
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do
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echo -n ${INCLUDE},
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if echo "${INCLUDE}" | grep -q -v "${EXCLUDE}"; then
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cp "${FILE_COPY}" "${FILE_}" \
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|| { echo "ERROR: restore copy failed" >&2; exit 1; }
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sed -i "s@${INCLUDE}@@" "${FILE_}"
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BUILD_FN
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BUILD_FN_RET=$?
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if [ "${BUILD_FN_RET}" = 0 ]; then
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echo "${FILE_}::${INCLUDE}" >> "${LOG_FILE}"
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elif [ -n "${PREFIX}" ]; then
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if [ ${FILE_:(-2):2} == .h ]; then
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echo "${PREFIX}${FILE_}::${INCLUDE}" >> "${LOG_FILE}"
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fi
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fi
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fi
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done
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echo
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cp "${FILE_COPY}" "${FILE_}"
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done
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