Roland Conybeare
269b7b6cf4
1. more recent lcov is persnickety, need to ignore some errors. 2. need more careful assembly of subdirs with .gcda/.gcno info. lcov doesn't like duplication here.
139 lines
3.8 KiB
Bash
Executable file
139 lines
3.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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srcdir=$1
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builddir=$2
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outputstem=$3 # optional
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lcov=$4 # optional
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genhtml=$5 # optional
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if [[ -z "${srcdir}" ]]; then
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echo "xo-cmake-lcov-harness: expected non-empty srcdir"
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exit 1
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fi
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if [[ -z "${builddir}" ]]; then
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echo "xo-cmake-lcov-harness: expected non-empty builddir"
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exit 1
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fi
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if [[ -z ${outputstem} ]]; then
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outputstem=$builddir/ccov/out
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fi
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if [[ -z ${lcov} ]]; then
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lcov=@LCOV_EXECUTABLE@
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if [[ $lcov == "LCOV_EXECUTABLE-NOTFOUND" ]]; then
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echo "xo-cmake-lcov-harness: lcov executable not found during xo-cmake build/install"
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exit 1
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fi
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fi
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if [[ -z ${genhtml} ]]; then
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genhtml=@GENHTML_EXECUTABLE@
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if [[ $genhtml == "GENHTML_EXECUTABLE-NOTFOUND" ]]; then
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echo "xo-cmake-lcov-harness: genhtml executable not found during xo-cmake build/install"
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exit 1
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fi
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fi
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mkdir -p $builddir/ccov
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# directory stems for location of {.gcda, gcno} coverage information,
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#
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# if we have source tree:
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#
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# ${srcdir}
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# +- foo
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# | \- foo.cpp
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# \- bar
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# \- quux
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# +- quux.cpp
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# \- quux_main.cpp
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#
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# then we expect build tree:
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#
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# ${builddir}
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# +- foo
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# | \- CMakeFiles
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# | \- foo_target.dir
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# | +- foo.cpp.gcda
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# | \- foo.cpp.gcno
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# +- bar
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# \- quux
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# \- CMakeFiles
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# \- target4quux.dir
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# +- quux.cpp.gcda
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# +- quux.cpp.gcno
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# +- quux_main.cpp.gcda
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# \- quux_main.cpp.gcno
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#
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# in which case will have cmd_body:
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#
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# ${primarydirs}
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# ./foo/CMakeFiles/foo_target.dir
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# ./bar/quux/CMakeFiles/target4quux.dir
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#
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# here foo_target, quux_target are whatever build is using for corresponding cmake target names.
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#
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# We want to invoke lcov like:
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#
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# lcov --capture \
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# --output ${builddir}/ccov \
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# --exclude /utest/ \
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# --base-directory ${srcdir}/foo --directory ${builddir}/foo/CMakeFiles/foo_target.dir \
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# --base-directory ${srcdir}/bar/quux --directory ${builddir}/bar/quux/CMakeFiles/target4quux.dir
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#
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# collect unique directories containing .gcno files,
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# then remove any that are subdirectories of another in the list.
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# lcov scans recursively, so passing both parent/ and parent/facet/
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# causes "duplicate file" errors.
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_alldirs=$(cd ${builddir} && find -name '*.gcno' \
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| xargs --replace=xx dirname xx \
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| sort -u \
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| sed -e 's:^\./::')
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primarydirs=""
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for d in ${_alldirs}; do
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# check if any existing entry is a prefix of d
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is_nested=false
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for p in ${primarydirs}; do
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case "${d}" in
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"${p}"/*) is_nested=true; break ;;
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esac
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done
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if ! ${is_nested}; then
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primarydirs="${primarydirs} ${d}"
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fi
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done
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#echo "primarydirs=${primarydirs}"
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cmd="${lcov} --output ${outputstem}.info --capture --ignore-errors source --ignore-errors empty --ignore-errors inconsistent,inconsistent"
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for bdir in ${primarydirs}; do
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sdir=$(dirname $(dirname ${bdir}))
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cmd="${cmd} --base-directory ${srcdir}/${sdir} --directory ${builddir}/${bdir}"
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done
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#echo cmd=${cmd}
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set -x
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# capture
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${cmd}
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# keep only files with paths under source tree
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# (don't want coverage for external libraries such as libstdc++ etc)
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${lcov} --extract ${outputstem}.info "${srcdir}/*" --output ${outputstem}2.info --ignore-errors inconsistent,inconsistent
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# remove unit test dirs
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# (we're interested in coverage of our installed code, not of the unit tests that exercise it)
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${lcov} --remove ${outputstem}2.info '*/utest/*' --output ${outputstem}3.info --ignore-errors inconsistent,inconsistent
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# generate .html tree
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mkdir -p ${builddir}/ccov/html
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${genhtml} --ignore-errors source --show-details --prefix ${srcdir} --output-directory ${builddir}/ccov/html ${outputstem}3.info
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# also send report to stdout
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${lcov} --list ${outputstem}3.info
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