[PATCH] D64695: [clang-format] Added new style rule: SortNetBSDIncludes

[Manikishan Ghantasala via Phabricator via cfe-commits]

Manikishan created this revision.
Manikishan added reviewers: cfe-commits, mgorny, christos, MyDeveloperDay.
Herald added a subscriber: krytarowski.
Herald added a project: clang.
Manikishan added subscribers: mgorny, christos.

This new Style rule is made as a part of adding support for NetBSD KNF in clang-format. NetBSD have it's own priority of includes which should be followed while formatting NetBSD code. This style sorts the Cpp Includes according to the priorities of NetBSD, as mentioned in the Style Guide <http://cvsweb.netbsd.org/bsdweb.cgi/src/share/misc/style?rev=HEAD&content-type=text/x-cvsweb-markup>
 The working of this Style rule shown below:

**Configuration:**
In addition to this commit I am also adding another diff which Introduces NetBSD Style in clang-format, The required configurations are already made in this patch and can be used by

  clang-format -style=NetBSD ...

(The NetBSD Style is not fully implemented but it supports SortNetBSDIncludes for now).

Here is an example how this Style sorts cpp includes according to NetBSD KNF.
**Before Formatting:  **

  #include <sys/param.h>		
  #include <sys/types.h>		
  #include <sys/ioctl.h>		
  #include <net/if_dl.h>
  #include <net/route.h>
  #include <netinet/in.h>
  #include <sys/socket.h>		
  #include <sys/stat.h>
  #include <sys/wait.h>		
  #include <net/if.h>
  #include <protocols/rwhod.h>
  #include <assert.h>
  #include <paths.h>
  #include "pathnames.h"		
  #include <errno.h>
  #include <inttypes.h>
  #include <stdio.h>
  #include <stdlib.h>

**After Formatting: **

  #include <sys/param.h>
  #include <sys/types.h>
  #include <sys/ioctl.h>
  #include <sys/socket.h>
  #include <sys/stat.h>
  #include <sys/wait.h>
  
  #include <net/if.h>
  #include <net/if_dl.h>
  #include <net/route.h>
  #include <netinet/in.h>
  #include <protocols/rwhod.h>
  
  #include <assert.h>
  #include <errno.h>
  #include <inttypes.h>
  #include <stdio.h>
  #include <stdlib.h>
  
  #include <paths.h>
  
  #include "pathnames.h"




Repository:
  rC Clang

https://reviews.llvm.org/D64695

Files:
  docs/ClangFormatStyleOptions.rst
  include/clang/Format/Format.h
  lib/Format/Format.cpp
  unittests/Format/SortIncludesTest.cpp

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