[PATCH] D69764: [clang-format] Add Left/Right Const (East/West , Before/After) fixer capability

[MyDeveloperDay via Phabricator via cfe-commits]

MyDeveloperDay added a comment.

> But I don't know if this can be (easily) supported in a .clang-format file, since the style options are defined as (static) enums. I realize my proposal might be out of the scope of this patch, but I wanted to get some opinions from the community.

just thinking out loud, I think this could be achieved in the config by a list of dictionaries

  QualifierStyle:
     -   const:     Right
     -   volatile:  Right
     -   __as1:     Right
     -   __as2:     Right

I think we'd need some ordering information (which is why I was thinking maybe having this in a list (so the order of the list defines the left -> right order)

`const __as1 int  foo;` ->   `int const __as1 foo; `

if the order is:

  QualifierStyle:
     -   {  "const":   "Right" }
     -   {  "__as1":     "Right" }

but

`const __as1 int foo;`  ->   `int __as1 const foo; `

if the order is

  QualifierStyle:
     -   {  "__as1":     "Right" }
     -   {  "const":   "Right" }

I think this would likely make everything much more complicated, but perhaps we should think about this for the configuration at least now so we future proof ourselves.

  QualifierStyle:
     -   {  "__as1":     "Left" }
     -   {  "const":   "Right" }
     -   {  "__as2":     "Left" }
     -   {  "volatile":  "Left" }

would give

`const volatile __as1 int foo;`  ->   `__as1 volatile int const foo; `


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  https://reviews.llvm.org/D69764/new/

https://reviews.llvm.org/D69764