[clang-format][NFC] Remove redundnat llvm::, clang::, etc.

[clang-format] Hanlde leading whitespaces for JSON files

Fixes #62228.
Fixes #62229.

Differential Revision: https://reviews.llvm.org/D148777

[clang-format] JSON Add ability to add a space before the colon

I've seen a couple of request for extra Json formatting to match prettier capability.

Reviewed By: owenpan

Differential Revision: ht

[clang-format] JSON Add ability to add a space before the colon

I've seen a couple of request for extra Json formatting to match prettier capability.

Reviewed By: owenpan

Differential Revision: https://reviews.llvm.org/D147003

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[clang-format] JSON formatting add new option for controlling newlines in json arrays

Working in a mixed environment of both vscode/vim with a team configured prettier configuration, this can leave

[clang-format] JSON formatting add new option for controlling newlines in json arrays

Working in a mixed environment of both vscode/vim with a team configured prettier configuration, this can leave clang-format and prettier fighting each other over the formatting of arrays, both simple arrays of elements.

This review aims to add some "control knobs" to the Json formatting in clang-format to help align the two tools so they can be used interchangeably.

This will allow simply arrays `[1, 2, 3]` to remain on a single line but will break those arrays based on context within that array.

Happy to change the name of the option (this is the third name I tried)

Reviewed By: HazardyKnusperkeks, owenpan

Differential Revision: https://reviews.llvm.org/D133589

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[clang-format] Reformat. NFC.

[clang-format] Remove spurious JSON binding when DisableFormat = true

Relevant issue: https://github.com/llvm/llvm-project/issues/52705

When the `DisableFormat` option of `clang-format` is set to `

[clang-format] Remove spurious JSON binding when DisableFormat = true

Relevant issue: https://github.com/llvm/llvm-project/issues/52705

When the `DisableFormat` option of `clang-format` is set to `true` and a JSON file is formatted, the ephemeral variable binding that is added to the top-level object is not removed from the formatted file. For example, this JSON:
```
{
"key": "value"
}
```
Is reformatted to:
```
x = {
"key": "value"
}
```
Which is not valid JSON syntax. This fix avoids the addition of this binding when `DisableFormat` is set to `true`, ensuring that it cannot be left behind when formatting is disabled.

Reviewed By: MyDeveloperDay, HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D115769

Fixes #52705

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[clang-format] Add basic support for formatting JSON

I find as I develop I'm moving between many different languages C++,C#,JavaScript all the time. As I move between the file types I like to keep `

[clang-format] Add basic support for formatting JSON

I find as I develop I'm moving between many different languages C++,C#,JavaScript all the time. As I move between the file types I like to keep `clang-format` as my formatting tool of choice. (hence why I initially added C# support in {D58404}) I know those other languages have their own tools but I have to learn them all, and I have to work out how to configure them, and they may or may not have integration into my IDE or my source code integration.

I am increasingly finding that I'm editing additional JSON files as part of my daily work and my editor and git commit hooks are just not setup to go and run [[ https://stedolan.github.io/jq/ | jq ]], So I tend to go to [[ https://jsonformatter.curiousconcept.com/ | JSON Formatter ]] and copy and paste back and forth. To get nicely formatted JSON. This is a painful process and I'd like a new one that causes me much less friction.

This has come up from time to time:

{D10543}
https://stackoverflow.com/questions/35856565/clang-format-a-json-file
https://bugs.llvm.org/show_bug.cgi?id=18699

I would like to stop having to do that and have formatting JSON as a first class clang-format support `Language` (even if it has minimal style settings at present).

This revision adds support for formatting JSON using the inbuilt JSON serialization library of LLVM, With limited control at present only over the indentation level

This adds an additional Language into the .clang-format file to separate the settings from your other supported languages.

Reviewed By: HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D93528

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