add newline between include and namespace

[janwilmans]

Bugzilla Link	42767
Version	unspecified
OS	Windows NT

Extended Description

We have options to remove duplicate white-space lines, however, it would also be good for readability to be able to require at least one empty line:

• before and after and #include block
• before and after a namespace

//
// License
//
#include <memory>
#include <string>
namespace {

}

convert to:

//
// License
//
                            <<-- added empty line
#include <memory>
#include <string>
                            <<-- added empty line
namespace Bar {

class Foo {

};

} // Bar

[llvmbot]

Hello,

this option would also be great for our workflow. Maybe with some kind of option about how many lines. Our coding style for example has two lines between the license/header, includes, variables, function declaration and definition.

There seem to be other people interested in this feature:
https://stackoverflow.com/questions/36687598/clang-format-groups-and-empty-lines

And here is a in my humble opinion similar feature request:
#27203

Thank you very much for your development and have a nice weekend.

[llvmbot]

Sorry, I linked to the wrong request from stackoverflow. Here is the correct one:
https://stackoverflow.com/questions/27121457/line-breaks-between-function-definitions

[llvmbot]

Hi!

This issue may be a good introductory issue for people new to working on LLVM. If you would like to work on this issue, your first steps are:

1. Assign the issue to you.
2. Fix the issue locally.
3. Run the test suite locally.
   3.1) Remember that the subdirectories under test/ create fine-grained testing targets, so you can
   e.g. use make check-clang-ast to only run Clang's AST tests.
4. Create a git commit
5. Run git clang-format HEAD~1 to format your changes.
6. Submit the patch to Phabricator.
   6.1) Detailed instructions can be found here

For more instructions on how to submit a patch to LLVM, see our documentation.

If you have any further questions about this issue, don't hesitate to ask via a comment on this Github issue.

@llvm/issue-subscribers-good-first-issue

[seranu]

Hi!
I'm new to LLVM/clang and would like to work on this issue. Please assign it to me.

[harsh241082]

Hi!
I would like to work on this issue. Please assign it to me.