2018-05-18 17:35:45 +00:00
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## 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 --init` 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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### 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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2018-09-22 07:40:44 +00:00
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* `Dart.sublime-syntax` => removed `#regex.dart` include.
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* `INI.sublime-syntax` => added `.hgrc` and `hgrc` file types.
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