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
1
vote
2 answers
How to enable clang static analyzer flags from clang-tidy for alpha (experimental) checkers?
I'm trying to run the clang analyzer through its clang-tidy interface, but I need to pass the clang analyzer an additional flag. Specifically, I want to run an alpha checker for nondeterminism with
clang-tidy -allow-enabling-analyzer-alpha-checkers…
ginginsha
- 142
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- 11
1
vote
1 answer
Prevent clang-tidy from running on generated files
We have a project that includes protobuf files that get pre-compiled into C++ files. Unfortunately, those files (like the other source files in the project) get checked by clang-tidy and generate a large number of warnings.
The relevant top-level…
Alex O
- 1,429
- 2
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- 20
1
vote
0 answers
clang-tidy + VSCode: how to see command line?
Is there a way to see the actual commmand line that VSCode is issuing to clang-tidy?
I am trying to figure out why clang-tidy is giving clang-diagnostic-error messages about being unable to find certain header files, though I have configured…
user1757226
- 193
- 2
- 9
1
vote
0 answers
Clang Diagnostic Error on file outside CPP project - "Error While processing"
Using gtkmm in a cpp project in vscode, everything can build normally even though I have this error.
[{
"resource": "/d:/Dossiers/Repos/Cpp/Motion/src/main.cpp",
"owner": "clang-tidy",
"code": "clang-diagnostic-error",
"severity":…
Edorion
- 13
- 3
1
vote
1 answer
TransformerClangTidyCheck drops required parentheses around bound `expr()`
I'd like to rename a function on one of the classes:
class Container {
public:
int count() const; // old
int size() const; // new
};
So I've written a TransformerClangTidyCheck along the lines of the tutorial…
Marc Mutz - mmutz
- 24,485
- 12
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1
vote
1 answer
How do I distinguish `&&` from `and` in llvm-clang?
It seems like to clang, binary operator && is exactly the same as and - its alternative operator representation. In the ast, both end up as BinaryOperator [...] 'bool' '&&'. Is there a way to distinguish them nevertheless?
I was hoping to be able to…
SebastianWilke
- 470
- 1
- 4
- 15
1
vote
1 answer
Why are my custom clang-tidy checks not showing up after adding custom module?
I have a few custom clang-tidy checks. For instance one in the cppcoreguidelines module and another in the misc module. They work fine. Now I extended clang-tidy by a custom module to organize them into.
When I rebuild, it succeeds but when I run…
SebastianWilke
- 470
- 1
- 4
- 15
1
vote
1 answer
Why does clang-tidy's modernize-use-emplace miss this warning?
a.cpp:
#include
using namespace std;
int main() {
vector> a;
a.push_back(make_pair(1, 2)); //caught
vector>> b(1);
b[0].push_back(make_pair(1, 2)); //not caught
return…
Luke Videckis
- 15
- 4
1
vote
1 answer
Matching std::optional with Clang AST
I'm trying to write a clang-tidy check for std::optional r = 5 to catch implicit conversions to bool.
|-DeclStmt
| `-VarDecl col:25 r 'std::optional':'std::optional' cinit
| `-ExprWithCleanups…
Perry Huang
- 40
- 6
1
vote
0 answers
Narrowing conversion size_t to long
How should I write this to appease clang-tidy?
#include
int main()
{
std::vector v(10);
size_t index = 2;
auto it = v.begin() + index;
auto rollover = (index + 1) % v.size();
}
clang-tidy complains
Clang-Tidy:…
Captain Giraffe
- 14,407
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1
vote
0 answers
clang-tidy 'iosfwd' file not found [clang-diagnostic-error]
i build my repo with bazel_clang_tidy,but meet some question,always report error: 'iosfwd' file not found
bazel-out/k8-fastbuild/bin/external/com_github_google_glog/_virtual_includes/glog/glog/logging.h:42:10: error: 'iosfwd' file not found…
ximingming ke
- 23
- 3
1
vote
0 answers
Why std::initializer_list cannot move?
P(std::initializer_list children) : Tag("p", std::move(children)) {}
clang tidy warns as follows.
error: std::move of the variable 'children' of the trivially-copyable type std::initializer_list has no effect; remove std::move()…
gahhu
- 31
- 3
1
vote
1 answer
Ignore 3rd party headers from clang-tidy in cmake
How can I avoid clang tidy warnings on my external library I am downloading using FetchContent. Is their an easy way to treat these as system libraries.
I have done this in the past with my own header lib that I wanted to ignore…
user2020
- 217
- 2
- 12
1
vote
1 answer
How can I match universal reference arguments to a member function using Clang AST matchers?
I'm trying to match arguments passed to a templated member function invocation using clang-query as a precursor to writing a clang-tidy check. Whilst I can get non-templated member functions to match, I'm unable to get templated member functions to.…
Mike Crowe
- 642
- 6
- 18
1
vote
0 answers
problems in clang-tidy configuration
Recently, I saw a config file for clang-tidy as below.
Checks: 'clang-diagnostic-*, clang-analyzer-*, -*, clang-analyzer-*, -clang-analyzer-cplusplus*'
It first sets diagnostic and analyzer options, disable all options, and enables analyzer option…
John Yoon
- 11
- 1