solidity/scripts/check_style.sh
Jun Zhang 1ebdab43d8 Purge using namespace std from libyul/backends
Signed-off-by: Jun Zhang <jun@junz.org>
2023-08-24 11:12:52 +08:00

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#!/usr/bin/env bash
set -eu
ERROR_LOG="$(mktemp -t check_style_XXXXXX.log)"
EXCLUDE_FILES=(
# The line below is left unquoted to allow the shell globbing path expansion
test/cmdlineTests/*/{err,output}
"libsolutil/picosha2.h"
"test/cmdlineTests/strict_asm_only_cr/input.yul"
"test/libsolutil/UTF8.cpp"
"test/libsolidity/syntaxTests/license/license_cr_endings.sol"
"test/libsolidity/syntaxTests/license/license_crlf_endings.sol"
"test/libsolidity/syntaxTests/license/license_whitespace_trailing.sol"
"test/scripts/fixtures/smt_contract_with_crlf_newlines.sol"
"test/scripts/fixtures/smt_contract_with_cr_newlines.sol"
"test/scripts/fixtures/smt_contract_with_mixed_newlines.sol"
)
EXCLUDE_FILES_JOINED=$(printf "%s\|" "${EXCLUDE_FILES[@]}")
EXCLUDE_FILES_JOINED=${EXCLUDE_FILES_JOINED%??}
NAMESPACE_STD_FREE_FILES=(
libevmasm/*
liblangutil/*
libsmtutil/*
libsolc/*
libsolidity/analysis/*
libsolidity/ast/*
libsolidity/codegen/ir/*
libsolidity/codegen/*
libsolidity/formal/*
libsolidity/interface/*
libsolidity/lsp/*
libsolidity/parsing/*
libsolutil/*
libyul/backends/evm/*
solc/*
)
(
REPO_ROOT="$(dirname "$0")"/..
cd "$REPO_ROOT" || exit 1
WHITESPACE=$(git grep -n -I -E "^.*[[:space:]]+$" |
grep -v "test/libsolidity/ASTJSON\|test/compilationTests/zeppelin/LICENSE\|${EXCLUDE_FILES_JOINED}" || true
)
if [[ "$WHITESPACE" != "" ]]
then
echo "Error: Trailing whitespace found:" | tee -a "$ERROR_LOG"
echo "$WHITESPACE" | tee -a "$ERROR_LOG"
scripts/ci/post_style_errors_on_github.sh "$ERROR_LOG"
exit 1
fi
function preparedGrep
{
git grep -nIE "$1" -- '*.h' '*.cpp' | grep -v "${EXCLUDE_FILES_JOINED}"
return $?
}
FORMATERROR=$(
(
preparedGrep "#include \"" | grep -E -v -e "license.h" -e "BuildInfo.h" # Use include with <> characters
preparedGrep "\<(if|for|while|switch)\(" # no space after "if", "for", "while" or "switch"
preparedGrep "\<for\>\s*\([^=]*\>\s:\s.*\)" # no space before range based for-loop
preparedGrep "\<if\>\s*\(.*\)\s*\{\s*$" # "{\n" on same line as "if"
preparedGrep "namespace .*\{"
preparedGrep "[,\(<]\s*const " # const on left side of type
preparedGrep "^\s*(static)?\s*const " # const on left side of type (beginning of line)
preparedGrep "^ [^*]|[^*] | [^*]" # uses spaces for indentation or mixes spaces and tabs
preparedGrep "[a-zA-Z0-9_]\s*[&][a-zA-Z_]" | grep -E -v "return [&]" # right-aligned reference ampersand (needs to exclude return)
# right-aligned reference pointer star (needs to exclude return and comments)
preparedGrep "[a-zA-Z0-9_]\s*[*][a-zA-Z_]" | grep -E -v -e "return [*]" -e "^* [*]" -e "^*//.*"
# unqualified move()/forward() checks, i.e. make sure that std::move() and std::forward() are used instead of move() and forward()
preparedGrep "move\(.+\)" | grep -v "std::move" | grep -E "[^a-z]move"
preparedGrep "forward\(.+\)" | grep -v "std::forward" | grep -E "[^a-z]forward"
# make sure `using namespace std` is not used in INCLUDE_DIRECTORIES
# shellcheck disable=SC2068,SC2068
grep -nIE -d skip "using namespace std;" ${NAMESPACE_STD_FREE_FILES[@]}
) | grep -E -v -e "^[a-zA-Z\./]*:[0-9]*:\s*\/(\/|\*)" -e "^test/" || true
)
if [[ "$FORMATERROR" != "" ]]
then
echo "Coding style error:" | tee -a "$ERROR_LOG"
echo "$FORMATERROR" | tee -a "$ERROR_LOG"
scripts/ci/post_style_errors_on_github.sh "$ERROR_LOG"
exit 1
fi
)