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#!/bin/bash -e
# \author Hans J. Johnson
#
# This script assists with using clang-tidy.
#
# STEP 0;
# I recommend downloading or building the latest
# version of llvm with clang and the clang-tidy
# tools in a private repo. NOTE: Apple does
# not currently distribute these.
#
# STEP 1:
# Build your source tree with cmake and use
# export PATH=${MYCLANG_FROM_STEP0}:$PATH
# export CXX=${MYCLANG_FROM_STEP0}
# export CC=${MYCLANG_FROM_STEP0}
# cd ${MYBLD}
# cmake -DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=ON ${MYSRC}
# to generate the compile_commands.json
# comple options database files.
#
# STEP 2:
# Run clang-tidy with the "run-clang-tidy.py" wrapper script from the llvm source tree
# Minor modifications to the "run-clang-tidy.py" script can allow
# for automatically skipping the "ThirdParty" directory or other performance
# enhancements.
SRCDIR=$1
BLDDIR=$2
this_script_name=$(basename $0)
CMTMSG=$(mktemp -q /tmp/${this_script_name}.XXXXXX)
FILES_TO_CHECK=$(mktemp -q /tmp/${this_script_name}_files.XXXXXX)
cat > ${CMTMSG} << EOF
STYLE: Prefer = default to explicitly trivial implementations
This check replaces default bodies of special member functions with
= default;. The explicitly defaulted function declarations enable more
opportunities in optimization, because the compiler might treat
explicitly defaulted functions as trivial.
Additionally, the C++11 use of = default more clearly expresses the
intent for the special member functions.
SRCDIR=${SRCDIR} #My local SRC
BLDDIR=${BLDDIR} #My local BLD
cd ${BLDDIR}
run-clang-tidy.py -extra-arg=-D__clang__ -checks=-*,modernize-use-equals-default -header-filter=.* -fix
EOF
export CC=/Users/johnsonhj/local/ccache/bin/clang_ccache
export CXX=/Users/johnsonhj/local/ccache/bin/clang++11_ccache
export PATH=~/local/llvm/llvm_trunk-build/bin:$PATH
cd ${BLDDIR}
/Users/johnsonhj/Dashboard/src/scripts/run-clang-tidy.py -extra-arg=-D__clang__ -checks=-*,modernize-use-equals-default -header-filter=.* -fix
cd ${SRCDIR}
git add -A && git commit --file ${CMTMSG}
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