lint-cpp.sh 1.26 KB
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#!/bin/bash

set -e -E -u -o pipefail
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echo "running cpplint"
cpplint \
    --filter=-build/c++11,-build/include_subdir,-build/header_guard,-whitespace/line_length \
    --recursive ./src ./include ./R-package ./swig ./tests \
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|| exit 1
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echo "done running cpplint"

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echo "checking that all OpenMP pragmas specify num_threads()"
get_omp_pragmas_without_num_threads() {
    grep \
        -n \
        -R \
        --include='*.c' \
        --include='*.cc' \
        --include='*.cpp' \
        --include='*.h' \
        --include='*.hpp' \
        'pragma omp parallel' \
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    | grep -v ' num_threads'
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}
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# 'grep' returns a non-0 exit code if 0 lines were found.
# Turning off '-e -o pipefail' options here so that bash doesn't
# consider this a failure and stop execution of the script.
#
# ref: https://www.gnu.org/software/grep/manual/html_node/Exit-Status.html
set +e +o pipefail
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PROBLEMATIC_LINES=$(
    get_omp_pragmas_without_num_threads
)
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set -e -o pipefail
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if test "${PROBLEMATIC_LINES}" != ""; then
    get_omp_pragmas_without_num_threads
    echo "Found '#pragma omp parallel' not using explicit num_threads() configuration. Fix those."
    echo "For details, see https://www.openmp.org/spec-html/5.0/openmpse14.html#x54-800002.6"
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    exit 1
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fi
echo "done checking OpenMP pragmas"