For questions about clang-tidy as a static analyzer and code modernization tool. For more generic questions such as compiler diagnostic messages use the clang tag.
Questions tagged [clang-tidy]
404 questions
7
votes
1 answer
How to load function with dlsym() without reinterpret_cast?
I'm trying to use clang-tidy to enforce the C++ Core Guidelines. While it does have a lot of valid points, there is one thing I cannot really work around: dlsym returns a void* which I need to turn into a proper function pointer somehow. To do that…
Calmarius
- 18,570
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7
votes
2 answers
How can I specify additional arguments for use with CMAKE_CXX_CLANG_TIDY variable
I'm trying to use make use of clang-tidy integration with cmake and I'd like to pass the -check argument. I've tried adding -DCMAKE_CXX_CLANG_TIDY="/usr/local/opt/llvm38/bin/clang-tidy-3.8;-checks=*" when invoking cmake, but my makefile commands…
Mike Ellery
- 2,054
- 3
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6
votes
2 answers
Clang-Tidy slow with dependencies
I am using clang-tidy to lint my code base, but the entire process is very slow. Is there a way to completely ignore header files and not only suppress the warnings? As you can see with this example, a ton of warnings are coming from my project…
Alexandre Lipp
- 69
- 1
6
votes
1 answer
clang-tidy: `Loop variable is copied but only used as const reference; consider making it a const reference` - does it really matter?
I'm working on code that clang-tidy is flagging all over the place with
Loop variable is copied but only used as const reference; consider making it a const reference
Current code:
for (auto foo : collection) {
...
}
What clang-tidy suggests I…
Edward Falk
- 9,991
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6
votes
1 answer
Using clang-tidy to analize embedded GCC project
I'm trying to use clang-tidy to parse my project, compiled by arm-none-eabi-g++.
Unfortunately, clang-tidy is not able to find compiler headers, even when given the include path to them.
My compile_commands.json is
[
{
"directory":…
MLapaj
- 371
- 3
- 11
6
votes
1 answer
How to fix llvmlibc-restrict-system-libc-headers check in Clang Tidy?
I do not understand the llvmlibc-restrict-system-libc-headers check in Clang Tidy (link).
I include C libraries in C++ code like this:
#include
What should I change to fix this Clang Tidy check? Should it be fixed at all?
Wouter Beek
- 3,307
- 16
- 29
6
votes
1 answer
How to specify compilation database for clang-tidy
I am struggling with running clang-tidy for my project. I am trying to run clang-tidy for my project for send data to Codacy. I am doing it like this:
clang-tidy $PWD -header-filter=.*,-checks=-*,clang-analyzer-*,-clang-analyzer-cplusplus* |…
Vento
- 155
- 2
- 8
6
votes
1 answer
clang-tidy suggest I remove const references, why?
I ran clang-tidy (the "modernize" modules) on a project tree that I have been trying to keep reasonably up to date with C++17. Almost everything it corrected was unsurprising to me, except for one thing: It changed all of these types of…
cypheratheist
- 163
- 2
- 11
6
votes
1 answer
clang-tidy's bugprone-exception-escape behaves weirdly with MSVC STL
I'm using clang-tidy 10 on a project and it's behaving weirdly on Windows with the MSVC STL. A minimal example is the following:
#include
#include
int main()
{
try {
throw std::runtime_error {"Boom!"};
} catch…
Raymond Wright
- 73
- 8
6
votes
2 answers
Where to find list of available options for Clang-tidy "readability-identifier-naming" checker?
Use case
I want to configure readability-identifier-naming checker for clang-tidy running on my codebase.
Background
The checker in clang-tidy can be provided with CheckOptions, such like:
clang-tidy -checks='-*,readability-identifier-naming' \…
Bartek
- 71
- 1
- 3
6
votes
2 answers
clang-tidy -fix does not apply any changes
I'm running clang-tidy with the following command:
run-clang-tidy.py -checks="-*,cppcoreguidelines-*,hicpps-*" -header-filter=".*" -fix"
(or clang-tidy -checks="-*,cppcoreguidelines-*,hicpps-*" -header-filter=".*" -fix" also works)
This returns a…
Sharky
- 323
- 1
- 3
- 11
6
votes
2 answers
Setting a sub-option to clang-tidy
I am using clang-tidy from cmdline clang-tidy readability-implicit-bool-conversion ... ".
This clang-tidy option has the sub-option AllowPointerConditions, in order for clang-tidy to allow me to use if (!p) whithot…
Taw
- 479
- 3
- 15
6
votes
1 answer
Clang-tidy warning for static std::stringstream
I have the following MCVE:
#include
struct A {
static std::stringstream s;
};
std::stringstream A::s;
int main() {}
When I run clang-tidy 6.0.1 on this code I get the following warning:
static_sstream.cpp:7:22: warning:…
Nikola Benes
- 2,372
- 1
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- 33
6
votes
1 answer
Do Clang vs Clang tidy detect the same warnings and errors ?
As far as I know the Clan-tidy can do these checks https://clang.llvm.org/extra/clang-tidy/checks/list.html
over and above default checks set (clang-analyser)
and Clang can also detect errors and…
Rigó Zoltán
- 61
- 1
- 2
6
votes
4 answers
How-to integrate clang-tidy with CMake (_CLANG_TIDY) and MSVC?
How can one pass a clang flag, e.g. -fms-compatibility-version with the _CLANG_TIDY CMake property? On the CLI this is easy:
clang-tidy main.cpp -- -fms-compatibility-version=19.10
But with CMake this does not work as…
Florian Wolters
- 3,820
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- 55