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52 lines
2.9 KiB
Markdown
Vendored
52 lines
2.9 KiB
Markdown
Vendored
## Syntax Highlighting in bat
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`bat` uses the [syntect](https://github.com/trishume/syntect) library to highlight source
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code. As a basis, syntect uses [Sublime Text](https://www.sublimetext.com/) syntax definitions
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in the `.sublime-syntax` format.
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In order to add new syntaxes to `bat`, follow these steps:
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1. Find a Sublime Text syntax for the given language, preferably in a separate Git repository
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which can be included as a submodule (under `assets/syntaxes`).
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2. If the Sublime Text syntax is only available as a `.tmLanguage` file, open the file in
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Sublime Text and convert it to a `.sublime-syntax` file via *Tools* -> *Developer* ->
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*New Syntax from XXX.tmLanguage...*. Save the new file in the `assets/syntaxes` folder.
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3. Run the `create.sh` script. It calls `bat cache --build` to parse all available
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`.sublime-syntax` files and serialize them to a `syntaxes.bin` file (in this folder).
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4. Re-compile `bat`. At compilation time, the `syntaxes.bin` file will be stored inside the
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`bat` binary.
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5. If you send a pull request with your changes, please do *not* include the changed `syntaxes.bin`
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file. A new binary cache file will be created once before every new release of `bat`.
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### Troubleshooting
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Make sure that the local cache does not interfere with the internally stored syntaxes and
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themes (`bat cache --clear`).
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### Manual modifications
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The following files have been manually modified after converting from a `.tmLanguage` file:
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* `Dart.sublime-syntax` => removed `#regex.dart` include.
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* `INI.sublime-syntax` => added `.hgrc`, `hgrc`, and `desktop` file types.
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* `Org mode.sublime-syntax` => removed `task` file type.
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* `SML.sublime_syntax` => removed `ml` file type.
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### Non-submodule additions
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* `Assembly (x86_64)` has been manually added from https://github.com/13xforever/x86-assembly-textmate-bundle due to `git clone` recursion problems
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* `Nim.sublime-syntax` has been added manually from https://github.com/getzola/zola/blob/master/sublime_syntaxes/Nim.sublime-syntax as there was no suitable Git repository for it. The original syntax seems to originate from https://github.com/Varriount/NimLime
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* `Rego.sublime-syntax` has been added manually from https://github.com/open-policy-agent/opa/blob/master/misc/syntax/sublime/rego.sublime-syntax
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as it is not kept in a standalone repository. The file is generated from
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https://github.com/open-policy-agent/opa/blob/master/misc/syntax/textmate/Rego.tmLanguage
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* `SML.sublime_syntax` has been added manually from
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https://github.com/seanjames777/SML-Language-Definitiona as it is not
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kept in a standalone repository. The file generated is from
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https://github.com/seanjames777/SML-Language-Definition/blob/master/sml.tmLanguage
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* `Cabal.sublime_syntax` has been added manually from
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https://github.com/SublimeHaskell/SublimeHaskell/ - we don't want to include the whole submodule because it includes other syntaxes ("Haskell improved") as well.
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