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68 lines
2.0 KiB
Bash
68 lines
2.0 KiB
Bash
#!/usr/bin/env bash
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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 or includes around various
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# ifdefs...
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EXCLUDE='\(debug.h\|cstdio\)'
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function BUILD_FN ()
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{
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# This is not a clean make.
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make -j$(grep "CPU" /proc/cpuinfo | wc -l)
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}
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echo "BUILD_FN exited without error after removing
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the following include statements invididually:" > "${LOG_FILE}" \
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|| { echo "ERROR: could not create log file, ${LOG_FILE}"; exit 1; }
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find -regex ".*\(cpp\|h\)$" | \
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while read FILE_
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do
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FILE_COPY=$( 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 "processing ${FILE_}..."
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grep "${PATTERN}" "${FILE_}" | \
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while read INCLUDE
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do
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if echo "${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}@@" "${FILE_}"
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( BUILD_FN ) &>/dev/null && echo "${FILE_}::${INCLUDE}" >> "${LOG_FILE}"
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fi
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done
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cp "${FILE_COPY}" "${FILE_}"
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done
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