ott*_*tto 11 xcode warnings clang static-code-analysis
RUN_CLANG_STATIC_ANALYZER("运行静态分析器")项目设置已在我们的项目中发现了重要问题.我们已经解决了这些问题,我们希望防止未来的问题蔓延开来.
我们试图将clang分析警告视为错误以打破我们的构建.到目前为止,尽管已启用-Werror("将警告视为错误"),但仍未成功.
在Xcode中生成以下分析调用:
/ Developer/usr/bin/clang -x objective-c [...] --analyze [...]/TroubledCode.m -o [...]/TroubledTarget.build/StaticAnalyzer/normal/i386/TroubledCode. plist中
生成静态代码分析警告:
[...]/TroubledCode.m:38:34: warning: Potential leak of an object allocated on line 38 and stored into 'leakingManager'
Manager *leakingManager = [[Manager alloc] init];
^
1 warning generated.
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但Xcode报告"Build Succeeded ... 1 analyzer results".我们正在寻找的解决方案将使上面的示例生成"构建失败".
我接受了Jim的建议并创建了一个构建脚本.
为了避免误报,我遇到了麻烦,确保它忽略了无关的分析残留物.从Xcode IDE构建和使用构建项目时,此解决方案应该可以正常工作xcodebuild.
要将Xcode 3分析警告转换为构建错误:
该设置也称为LD_GENERATE_MAP_FILE.
复制下面的内容并将其粘贴到"脚本"部分.
error_count=0
##
function verify_clang_analysis_at_path()
{
local analysis_path=$1
local plist_tool=/usr/libexec/PlistBuddy
local diagnostics=$($plist_tool -c "print diagnostics" $analysis_path)
if [[ $diagnostics != $'Array {\n}' ]]
then
((error_count++))
fi
}
function verify_clang_analysis_for_object_file()
{
local object_file=$1
local analysis_directory=$TARGET_TEMP_DIR/StaticAnalyzer/$CURRENT_VARIANT/$CURRENT_ARCH
local analysis_path=$analysis_directory/${object_file%.*}.plist
# if this object file corresponds to a source file that clang analyzed...
if [ -e $analysis_path ]
then
verify_clang_analysis_at_path $analysis_path
fi
}
##
object_directory=$OBJECT_FILE_DIR-$CURRENT_VARIANT/$CURRENT_ARCH
object_path_pattern=${object_directory}'/\(.\)\+\.o$'
index_pattern='\[[[:space:]0-9]*\][[:space:]]'
object_paths=$(
grep $object_path_pattern $LD_MAP_FILE_PATH | sed s/$index_pattern//
)
##
for object_path in $object_paths
do
object_file=${object_path##*/}
verify_clang_analysis_for_object_file $object_file
done
if [ $error_count -gt 0 ]
then
echo "Clang static code analysis failed for" $error_count "source file(s)."
fi
exit $error_count
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