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* Add iwyu Co-authored-by: GitHub Web Flow <noreply@github.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| #!/usr/bin/env bash | ||
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| set -euo pipefail | ||
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| if [ "${OSTYPE-}" = msys ] && [ -z "${MINGW_DIR+x}" ]; then | ||
| if [ "${HOSTTYPE-}" = x86_64 ]; then | ||
| MINGW_DIR=/mingw64 | ||
| elif [ "${HOSTTYPE-}" = i686 ]; then | ||
| MINGW_DIR=/mingw32 | ||
| fi | ||
| fi | ||
| invoke_cc() { | ||
| local env_vars=() args=() env_parsed=0 | ||
| if [ "${OSTYPE}" = msys ]; then | ||
| env_vars+=(MSYS2_ARG_CONV_EXCL="*") | ||
| fi | ||
| local arg; for arg in "$@"; do | ||
| if [ 0 -ne "${env_parsed}" ]; then | ||
| args+=("${arg}") | ||
| elif [ "${arg}" == "--" ]; then | ||
| env_parsed=1 | ||
| else | ||
| if [ "${OSTYPE}" = msys ] && [ ! "${arg}" = "${arg#PATH=}" ]; then | ||
| local key="${arg%%=*}" | ||
| local value="${arg#*=}" | ||
| value="${value//'/'\\''}" | ||
| value="'${value//;/\' \'}'" | ||
| local paths; declare -a paths="(${value})" | ||
| value="" | ||
| local path; for path in "${paths[@]}"; do | ||
| if [ "${OSTYPE}" = msys ]; then | ||
| path="${path//\\//}" | ||
| fi | ||
| case "${path}" in | ||
| [a-zA-Z]:|[a-zA-Z]:/*) | ||
| local drive; drive="${path%%:*}" | ||
| path="/${drive,,}${path#*:}" | ||
| ;; | ||
| *) true;; | ||
| esac | ||
| if [ -n "${value}" ]; then | ||
| value="${value}:" | ||
| fi | ||
| value="${value}${path}" | ||
| done | ||
| arg="${key}=${value}" | ||
| fi | ||
| env_vars+=("${arg}") | ||
| fi | ||
| done | ||
| local cc; cc="${args[0]}" | ||
| case "${cc##*/}" in | ||
| clang*) | ||
| { PATH="${PATH}:/usr/bin" env -i "${env_vars[@]}" "${SHELL-/bin/bash}" -c 'iwyu -isystem "$("$1" -print-resource-dir "${@:2}")/include" "${@:2}"' exec "${args[@]}" 2>&1 || true; } | awk ' | ||
| { header = 0; } | ||
| /^(The full include-list for .*|.* should (add|remove) these lines:)$/ { keep = 1; header = 1; } | ||
| /^(The full include-list for ([^\/]*\/)*external\/.*|([^\/]*\/)*external\/.* should (add|remove) these lines:)$/ { keep = 0; header = 1; } | ||
| /^The full include-list for .*$/ { keep = 0; header = 1; } | ||
| /^---$/ { keep = 0; header = 1; } | ||
| keep { print; n += header ? 0 : 1; } | ||
| END { exit n; } | ||
| ' | ||
| ;; | ||
| esac | ||
| } | ||
|
|
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| main() { | ||
| # Parsing might fail due to various things like aspects (e.g. BazelCcProtoAspect), but we don't want to check generated files anyway | ||
| local data="" # initialize in case next line fails | ||
| data="$(exec "$1" --decode=blaze.CppCompileInfo "$2" < "${3#*=}" 2>&-)" || true | ||
| if [ -n "${data}" ]; then | ||
| # Convert output to JSON-like format so we can parse it | ||
| data="$(exec sed -e "/^[a-zA-Z]/d" -e "s/^\(\s*\)\([0-9]\+\):\s*\(.*\)/\1[\2, \3],/g" -e "s/^\(\s*\)\([0-9]\+\)\s*{/\1[\2, /g" -e "s/^\(\s*\)}/\1],/g" <<< "${data}")" | ||
| # Turn everything into a single line by replacing newlines with a special character that should never appear in the actual stream | ||
| data="$(exec tr "\n" "\a" <<< "${data}")" | ||
| # Remove some fields that we don't want, and put back newlines we removed | ||
| data="$(exec sed -e "s/\(0x[0-9a-fA-F]*\)]\(,\a\)/\"\1\"]\2/g" -e "s/,\(\a\s*\(]\|\$\)\)/\1/g" -e "s/\a/\n/g" <<< "${data}")" | ||
| # Parse the resulting JSON and select the actual fields we're interested in | ||
| data="$(PATH="${PATH}:${MINGW_DIR-/usr}/bin" && exec jq -r '( | ||
| [] | ||
| + [.[1:][] | select (.[0] == 6) | "\(.[1][1])=\(.[2][1])" | gsub("'\''"; "'\''\\'\'''\''") | "'\''\(.)'\''"] | ||
| + ["--"] | ||
| + [.[1:][] | select (.[0] == 1) | .[1] | gsub("'\''"; "'\''\\'\'''\''") | "'\''\(.)'\''"] | ||
| + [.[1:][] | select (.[0] == 2) | .[1] ] | ||
| ) | .[]' <<< "${data}")" | ||
| # On Windows, jq can insert carriage returns; remove them | ||
| data="$(exec tr -d "\r" <<< "${data}")" | ||
| # Wrap everything into a single line for passing as argument array | ||
| data="$(exec tr "\n" " " <<< "${data}")" | ||
| eval invoke_cc "${data}" | ||
| fi | ||
| } | ||
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| main "$@" |
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