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clang-tidy - manual page for clang-tidy 3.8


ERROR: ld.so: object 'libfakeroot-sysv.so' from LD_PRELOAD cannot be preloaded (cannot
open shared object file): ignored. USAGE: clang-tidy [options] <source0> [... <sourceN>]


Generic Options:

-help - Display available options (-help-hidden for more)

-help-list - Display list of available options (-help-list-hidden for

-version - Display the version of this program

clang-tidy options:

-analyze-temporary-dtors - Enable temporary destructor-aware analysis in
clang-analyzer- checks. This option overrides the value read from a .clang-tidy

-checks=<string> - Comma-separated list of globs with optional '-'
prefix. Globs are processed in order of appearance in the list. Globs without '-'
prefix add checks with matching names to the set, globs with the '-' prefix remove
checks with matching names from the set of enabled checks. This option's value is
appended to the value read from a .clang-tidy file, if any.

-config=<string> - Specifies a configuration in YAML/JSON format:
-config="{Checks: '*', CheckOptions: [{key: x, value: y}]}"

When the value is empty, clang-tidy will attempt to find
a file named .clang-tidy for each source file in its parent directories.

-dump-config - Dumps configuration in the YAML format to stdout. This option
can be used along with a file name (and '--' if the file is outside of a project
with configured compilation database). The configuration used for this file will be
printed. Use along with -checks=* to include configuration of all checks.

-enable-check-profile - Enable per-check timing profiles, and print a report to

-export-fixes=<filename> - YAML file to store suggested fixes in. The
stored fixes can be applied to the input source code with clang-apply-replacements.

-extra-arg=<string> - Additional argument to append to the compiler command line

-extra-arg-before=<string> - Additional argument to prepend to the compiler command line

-fix - Apply suggested fixes. Without -fix-errors
clang-tidy will bail out if any compilation errors were found.

-fix-errors - Apply suggested fixes even if compilation errors
were found. If compiler errors have attached fix-its, clang-tidy will apply them as

-header-filter=<string> - Regular expression matching the names of the
headers to output diagnostics from. Diagnostics from the main file of each
translation unit are always displayed. Can be used together with -line-filter.
This option overrides the value read from a .clang-tidy file.

-line-filter=<string> - List of files with line ranges to filter the
warnings. Can be used together with -header-filter. The format of the list is a
JSON array of objects:

[ {"name":"file1.cpp","lines":[[1,3],[5,7]]}, {"name":"file2.h"}


-list-checks - List all enabled checks and exit. Use with
-checks=* to list all available checks.

-p=<string> - Build path

-system-headers - Display the errors from system headers.

-p <build-path> is used to read a compile command database.

For example, it can be a CMake build directory in which a file named
compile_commands.json exists (use -DCMAKE_EXPORT_COMPILE_COMMANDS=ON CMake option
to get this output). When no build path is specified, a search for
compile_commands.json will be attempted through all parent paths of the first input
file . See: http://clang.llvm.org/docs/HowToSetupToolingForLLVM.html for an example
of setting up Clang Tooling on a source tree.

<source0> ... specify the paths of source files. These paths are

looked up in the compile command database. If the path of a file is absolute, it
needs to point into CMake's source tree. If the path is relative, the current
working directory needs to be in the CMake source tree and the file must be in a
subdirectory of the current working directory. "./" prefixes in the relative files
will be automatically removed, but the rest of a relative path must be a suffix of
a path in the compile command database.

Configuration files:
clang-tidy attempts to read configuration for each source file from a .clang-tidy
file located in the closest parent directory of the source file. If any
configuration options have a corresponding command-line option, command-line option
takes precedence. The effective configuration can be inspected using -dump-config:

$ clang-tidy -dump-config - --



HeaderFilterRegex: '' AnalyzeTemporaryDtors: false User: user

- key: some-check.SomeOption

value: 'some value'


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