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Diffstat (limited to 'book/src/guides/adding_languages.md')
| -rw-r--r-- | book/src/guides/adding_languages.md | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/book/src/guides/adding_languages.md b/book/src/guides/adding_languages.md index 9ad2c285..5844a48e 100644 --- a/book/src/guides/adding_languages.md +++ b/book/src/guides/adding_languages.md @@ -27,22 +27,32 @@ directory](../configuration.md). These are the available keys and descriptions for the file. -| Key | Description | -| ---- | ----------- | -| name | The name of the language | -| scope | A string like `source.js` that identifies the language. Currently, we strive to match the scope names used by popular TextMate grammars and by the Linguist library. Usually `source.<name>` or `text.<name>` in case of markup languages | -| injection-regex | regex pattern that will be tested against a language name in order to determine whether this language should be used for a potential [language injection][treesitter-language-injection] site. | -| file-types | The filetypes of the language, for example `["yml", "yaml"]` | -| shebangs | The interpreters from the shebang line, for example `["sh", "bash"]` | -| roots | A set of marker files to look for when trying to find the workspace root. For example `Cargo.lock`, `yarn.lock` | -| auto-format | Whether to autoformat this language when saving | -| comment-token | The token to use as a comment-token | -| indent | The indent to use. Has sub keys `tab-width` and `unit` | -| config | Language server configuration | +| Key | Description | +| ---- | ----------- | +| name | The name of the language | +| scope | A string like `source.js` that identifies the language. Currently, we strive to match the scope names used by popular TextMate grammars and by the Linguist library. Usually `source.<name>` or `text.<name>` in case of markup languages | +| injection-regex | regex pattern that will be tested against a language name in order to determine whether this language should be used for a potential [language injection][treesitter-language-injection] site. | +| file-types | The filetypes of the language, for example `["yml", "yaml"]` | +| shebangs | The interpreters from the shebang line, for example `["sh", "bash"]` | +| roots | A set of marker files to look for when trying to find the workspace root. For example `Cargo.lock`, `yarn.lock` | +| auto-format | Whether to autoformat this language when saving | +| diagnostic-severity | Minimal severity of diagnostic for it to be displayed. (Allowed values: `Error`, `Warning`, `Info`, `Hint`) | +| comment-token | The token to use as a comment-token | +| indent | The indent to use. Has sub keys `tab-width` and `unit` | +| config | Language server configuration | ## Queries -For a language to have syntax-highlighting and indentation among other things, you have to add queries. Add a directory for your language with the path `runtime/queries/<name>/`. The tree-sitter [website](https://tree-sitter.github.io/tree-sitter/syntax-highlighting#queries) gives more info on how to write queries. +For a language to have syntax-highlighting and indentation among +other things, you have to add queries. Add a directory for your +language with the path `runtime/queries/<name>/`. The tree-sitter +[website](https://tree-sitter.github.io/tree-sitter/syntax-highlighting#queries) +gives more info on how to write queries. + +> NOTE: When evaluating queries, the first matching query takes +precedence, which is different from other editors like neovim where +the last matching query supercedes the ones before it. See +[this issue][neovim-query-precedence] for an example. ## Common Issues @@ -58,3 +68,4 @@ For a language to have syntax-highlighting and indentation among other things, y [treesitter-language-injection]: https://tree-sitter.github.io/tree-sitter/syntax-highlighting#language-injection [languages.toml]: https://github.com/helix-editor/helix/blob/master/languages.toml +[neovim-query-precedence]: https://github.com/helix-editor/helix/pull/1170#issuecomment-997294090 |