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#!/bin/bash
###
# Searches the code for the use of "std::" prefixes in symbol reference that
# should be pulled into the namespace with "using std::…;".
#
# The list of symbols to enforce this for is assembled on-the-fly by looking
# for occurrences of "using std::…;"
###
set -o pipefail
set -o nounset
scriptdir=$(realpath "$(dirname "$0")")
reporoot=$(realpath "$scriptdir"/../)
# Assemble list of std symbols to pull in:
# (exclude some that are not enforced yet)
usethis=$(grep --no-filename 'using std::' "$reporoot/src/"*.cpp \
| sed -r 's/^\s*using std::(.*);/\1/' \
| sort -u \
)
found_something=0
# set -x
for symbol in $usethis; do
# Find offending occurrences of "std::" prefixes:
grep -n --perl-regexp --color=auto '(?<!using )std::'"$symbol"'\b' src/*.cpp
grepret=$?
if [[ $grepret == 0 ]]; then
found_something=1
fi
done
if [[ $found_something != 0 ]]; then
echo >&2 "Found redundant uses of std:: prefixes (see above)"
exit 1
fi
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