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path: root/helix-core/src/syntax.rs
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* Make the indent heuristic configurableDaniel Ebert2023-12-15
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* bump MSRV to 1.70.0 (#8877)Cole Helbling2023-11-25
| | | | | | | | | | | | | | | | | | | | | | | | | * rust-toolchain.toml: bump MSRV to 1.70.0 With Firefox 120 released on 21 November 2023, the MSRV is now 1.70.0. * Fix cargo fmt with Rust 1.70.0 * Fix cargo clippy with Rust 1.70.0 * Fix cargo doc with Rust 1.70.0 * rust-toolchain.toml: add clippy component * .github: bump dtolnay/rust-toolchain to 1.70 * helix-term: bump rust-version to 1.70 * helix-view/gutter: use checked_ilog10 to count digits * helix-core/syntax: use MAIN_SEPARATOR_STR constant * helix-view/handlers/dap: use Display impl for displaying process spawn error * WIP: helix-term/commands: use checked math to assert ranges cannot overlap
* Default 'roots' field of language configMichael Davis2023-11-14
| | | | | | | Previously roots needed to be specified by every language and `[]` was used as an explicit default. Root files don't make sense for every language (for example TOML) so I think we should allow languages to not explicitly mention the key and have the `[]` default automatically.
* Revert "Pin tree-sitter to the 0.20.10 release (#8396)"Blaž Hrastnik2023-10-26
| | | | | | | | We only reverted so that the latest release would use a stable tree-sitter version hosted on crates.io. We do want the improvements on nightly. This reverts commit 2ebcc4dbeb306cc285d47bd1d21d72c7e57ecb72.
* Pin tree-sitter to the 0.20.10 release (#8396)Michael Davis2023-10-25
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* Fix various typos (#8233)Alexis Mousset2023-09-10
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* Update tree-sitter to latest master (#7998)Michael Davis2023-08-19
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* Prefer RopeSlice to &Rope in helix_core::syntaxMichael Davis2023-07-27
| | | | | | | | | | | | | | | Pascal and I discussed this and we think it's generally better to take a 'RopeSlice' rather than a '&Rope'. The code block rendering function in the markdown component module is a good example for how this can be useful: we can remove an allocation of a rope and instead directly turn a '&str' into a 'RopeSlice' which is very cheap. A change to prefer 'RopeSlice' to '&Rope' whenever the rope isn't modified would be nice, but it would be a very large diff (around 500+ 500-). Starting off with just the syntax functions seems like a nice middle-ground, and we can remove a Rope allocation because of it. Co-authored-by: Pascal Kuthe <pascal.kuthe@semimod.de>
* use a single query for injectionsPascal Kuthe2023-07-17
| | | | In the past we used two separate queries for combined and normal injections. There was no real reason for this (except historical/slightly easier implementation). Instead, we now use a single query and simply check if an injection corresponds to a combined injection or not.
* fix crash when encountering overlapping injectionsPascal Kuthe2023-07-17
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* Fix tree sitter chunking (#7417)A-Walrus2023-06-21
| | | | | Call as bytes before slicing, that way you can take bytes that aren't aligned to chars. Should technically also be slightly faster since you don't have to check alignment...
* Add check for a non-zero value for tab width (#7178)Ilya Sovtsov2023-06-07
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* Fix typo in syntax.rs (#7114)Ikko Eltociear Ashimine2023-05-26
| | | seperator -> separator
* Refactor doc language servers to a HashMap, and the config to use a Vec to ↵Philipp Mildenberger2023-05-18
| | | | retain order
* Simplify Display implementation for LanguageServerFeaturePhilipp Mildenberger2023-05-18
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* Refactored doc.language_servers and doc.language_servers_with_feature to ↵Philipp Mildenberger2023-05-18
| | | | | | return an iterator and refactor LanguageServerFeature handling to a HashMap (language server name maps to features) Co-authored-by: Pascal Kuthe <pascal.kuthe@semimod.de>
* Simplify Display implementation of LanguageServerFeaturePhilipp Mildenberger2023-05-18
| | | | Co-authored-by: Ivan Tham <pickfire@riseup.net>
* Adds support for multiple language servers per language.Philipp Mildenberger2023-05-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Language Servers are now configured in a separate table in `languages.toml`: ```toml [langauge-server.mylang-lsp] command = "mylang-lsp" args = ["--stdio"] config = { provideFormatter = true } [language-server.efm-lsp-prettier] command = "efm-langserver" [language-server.efm-lsp-prettier.config] documentFormatting = true languages = { typescript = [ { formatCommand ="prettier --stdin-filepath ${INPUT}", formatStdin = true } ] } ``` The language server for a language is configured like this (`typescript-language-server` is configured by default): ```toml [[language]] name = "typescript" language-servers = [ { name = "efm-lsp-prettier", only-features = [ "format" ] }, "typescript-language-server" ] ``` or equivalent: ```toml [[language]] name = "typescript" language-servers = [ { name = "typescript-language-server", except-features = [ "format" ] }, "efm-lsp-prettier" ] ``` Each requested LSP feature is priorized in the order of the `language-servers` array. For example the first `goto-definition` supported language server (in this case `typescript-language-server`) will be taken for the relevant LSP request (command `goto_definition`). If no `except-features` or `only-features` is given all features for the language server are enabled, as long as the language server supports these. If it doesn't the next language server which supports the feature is tried. The list of supported features are: - `format` - `goto-definition` - `goto-declaration` - `goto-type-definition` - `goto-reference` - `goto-implementation` - `signature-help` - `hover` - `document-highlight` - `completion` - `code-action` - `workspace-command` - `document-symbols` - `workspace-symbols` - `diagnostics` - `rename-symbol` - `inlay-hints` Another side-effect/difference that comes with this PR, is that only one language server instance is started if different languages use the same language server.
* automatically disable TS when parsing takes longer than 500msPascal Kuthe2023-05-18
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* Fix warnings from clippy (#7013)ZJPzjp2023-05-11
| | | | | * Fix warnings from clippy * revert MAIN_SEPARATOR_STR
* inject language based on file extension & shebang (#3970)Timothy DeHerrera2023-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * inject language based on file extension Nodes can now be captured with "injection.filename". If this capture contains a valid file extension known to Helix, then the content will be highlighted as that language. * inject language by shebang Nodes can now be captured with "injection.shebang". If this capture contains a valid shebang line known to Helix, then the content will be highlighted as the language the shebang calls for. * add documentation for language injection * nix: fix highlights The `@` is now highlighted properly on either side of the function arg. Also, extending the phases with `buildPhase = prev.buildPhase + ''''` is now highlighted properly. Fix highlighting of `''$` style escapes (requires tree-sitter-nix bump) Fix `inherit` highlighting. * simplify injection_for_match Split out injection pair logic into its own method to make the overall flow easier to follow. Also transform the top-level function into a method on a HighlightConfiguration. * markdown: add shebang injection query
* Revert "Fix #6605: Remove soft-wrap.enable option wrapping. (#6656)"Blaž Hrastnik2023-04-08
| | | | | | This caused a bug that would ignore the global config. This reverts commit af88a3c15cc4ddbb1e2f2ea6492868ffb8aba40b.
* Fix #6605: Remove soft-wrap.enable option wrapping. (#6656)gibbz002023-04-08
| | | Co-authored-by: gibbz00 <gabrielhansson@gmail.com>
* add workspace config and manual LSP root managementPascal Kuthe2023-03-29
| | | | | | | | | | fixup documentation Co-authored-by: LeoniePhiline <22329650+LeoniePhiline@users.noreply.github.com> fixup typo Co-authored-by: LeoniePhiline <22329650+LeoniePhiline@users.noreply.github.com>
* build(deps): bump bitflags from 1.3.2 to 2.0.2 (#6387)dependabot[bot]2023-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * build(deps): bump bitflags from 1.3.2 to 2.0.2 Bumps [bitflags](https://github.com/bitflags/bitflags) from 1.3.2 to 2.0.2. - [Release notes](https://github.com/bitflags/bitflags/releases) - [Changelog](https://github.com/bitflags/bitflags/blob/main/CHANGELOG.md) - [Commits](https://github.com/bitflags/bitflags/compare/1.3.2...2.0.2) --- updated-dependencies: - dependency-name: bitflags dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> * deps: Resolve bitflags 2.0 breaking changes Bitflags 2.0 release made some breaking changes requiring some small changes to the Helix codebase. Almost all of the necessary changes are to manually `#[derive(..)]` trait implementations which are no longer automatically derived for all bitflags. All of these were previously automatically derived: #[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone, Copy] I have derived the minimum traits for each bitflag type. The other change was to the `.bits` field. This is now a `.bits()` method so the usage of this has been updated in the `Borders` type. --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
* Softwrapping improvements (#5893)Clément Delafargue2023-03-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * use max_line_width + 1 during softwrap to account for newline char Helix softwrap implementation always wraps lines so that the newline character doesn't get cut off so he line wraps one chars earlier then in other editors. This is necessary, because newline chars are always selecatble in helix and must never be hidden. However That means that `max_line_width` currently wraps one char earlier than expected. The typical definition of line width does not include the newline character and other helix commands like `:reflow` also don't count the newline character here. This commit makes softwrap use `max_line_width + 1` instead of `max_line_width` to correct the impedance missmatch. * fix typos Co-authored-by: Jonathan Lebon <jonathan@jlebon.com> * Add text-width to config.toml * text-width: update setting documentation * rename leftover config item * remove leftover max-line-length occurrences * Make `text-width` optional in editor config When it was only used for `:reflow` it made sense to have a default value set to `80`, but now that soft-wrapping uses this setting, keeping a default set to `80` would make soft-wrapping behave more aggressively. * Allow softwrapping to ignore `text-width` Softwrapping wraps by default to the viewport width or a configured `text-width` (whichever's smaller). In some cases we only want to set `text-width` to use for hard-wrapping and let longer lines flow if they have enough space. This setting allows that. * Revert "Make `text-width` optional in editor config" This reverts commit b247d526d69adf41434b6fd9c4983369c785aa22. * soft-wrap: allow per-language overrides * Update book/src/configuration.md Co-authored-by: Pascal Kuthe <pascal.kuthe@semimod.de> * Update book/src/languages.md Co-authored-by: Pascal Kuthe <pascal.kuthe@semimod.de> * Update book/src/configuration.md Co-authored-by: Pascal Kuthe <pascal.kuthe@semimod.de> --------- Co-authored-by: Pascal Kuthe <pascal.kuthe@semimod.de> Co-authored-by: Jonathan Lebon <jonathan@jlebon.com> Co-authored-by: Alex Boehm <alexb@ozrunways.com> Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
* Fix new clippy lints (#5892)Pascal Kuthe2023-02-09
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* Fix initial highlight layer sort order (#5196)Michael Davis2023-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The purpose of this change is to remove the mutable self borrow on `HighlightIterLayer::sort_key` so that we can sort layers with the correct ordering using the `Vec::sort` function family. `HighlightIterLayer::sort_key` needs `&mut self` since it calls `Peekable::peek` which needs `&mut self`. `Vec::sort` functions only give immutable borrows of the elements to ensure the correctness of the sort. We could instead approach this by creating an eager Peekable and using that instead of `std::iter::Peekable` to wrap `QueryCaptures`: ```rust struct EagerPeekable<I: Iterator> { iter: I, peeked: Option<I::Item>, } impl<I: Iterator> EagerPeekable<I> { fn new(mut iter: I) -> Self { let peeked = iter.next(); Self { iter, peeked } } fn peek(&self) -> Option<&I::Item> { self.peeked.as_ref() } } impl<I: Iterator> Iterator for EagerPeekable<I> { type Item = I::Item; fn next(&mut self) -> Option<Self::Item> { std::mem::replace(&mut self.peeked, self.iter.next()) } } ``` This would be a cleaner approach (notice how `EagerPeekable::peek` takes `&self` rather than `&mut self`), however this doesn't work in practice because the Items emitted by the `tree_sitter::QueryCaptures` Iterator must be consumed before the next Item is returned. `Iterator::next` on `tree_sitter::QueryCaptures` modifies the `QueryMatch` returned by the last call of `next`. This behavior is not currently reflected in the lifetimes/structure of `QueryCaptures`. This fixes an issue with layers being out of order when using combined injections since the old code only checked the first range in the layer. Layers being out of order could cause missing highlights for combined-injections content.
* allow specifying environment for language servers in language.toml (#4004)TotalKrill2022-12-09
| | | | | Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com> Co-authored-by: Stephen Wakely <fungus.humungus@gmail.com> Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
* significantly improve treesitter performance while editing large files (#4716)Pascal Kuthe2022-11-22
| | | | | | | | | | | * significantly improve treesitter performance while editing large files * Apply stylistic suggestions from code review Co-authored-by: Michael Davis <mcarsondavis@gmail.com> * use PartialEq and Hash instead of a freestanding function Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
* Bump TREE_SITTER_MATCH_LIMIT to 256 (#4830)Michael Davis2022-11-21
| | | | | The limit of 64 breaks some highlighting in Erlang files with complicated record definitions. Bumping to 256 seems to work on all files I have seen.
* Use TreeCursor to pretty-print :tree-sitter-subtree (#4606)Michael Davis2022-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current `:tree-sitter-subtree` has a bug for field-names when the field name belongs to an unnamed child node. Take this ruby example: def self.method_name true end The subtree given by tree-sitter-cli is: (singleton_method [2, 0] - [4, 3] object: (self [2, 4] - [2, 8]) name: (identifier [2, 9] - [2, 20]) body: (body_statement [3, 2] - [3, 6] (true [3, 2] - [3, 6]))) But the `:tree-sitter-subtree` output was (singleton_method object: (self) body: (identifier) (body_statement (true))) The `singleton_method` rule defines the `name` and `body` fields in an unnamed helper rule `_method_rest` and the old implementation of `pretty_print_tree_impl` would pass the `field_name` down from the named `singleton_method` node. To fix it we switch to the [TreeCursor] API which is recommended by the tree-sitter docs for traversing the tree. `TreeCursor::field_name` accurately determines the field name for the current cursor position even when the node is unnamed. [TreeCursor]: https://docs.rs/tree-sitter/0.20.9/tree_sitter/struct.TreeCursor.html
* improve performance of tree sitter query captures (for text object motions ↵Pascal Kuthe2022-11-11
| | | | | | | | | | | | | | | | in particular) (#4707) * add tree sitter match limit to avoid slowdowns for larger files Affects all tree sitter queries and should speedup both syntax highlighting and text object queries. This has been shown to fix significant slowdowns with textobjects for rust files as small as 3k loc. * Apply suggestions from code review Co-authored-by: Blaž Hrastnik <blaz@mxxn.io> Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
* Resolve a bunch of upcoming clippy lintsBlaž Hrastnik2022-11-04
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* Change syntax for suffix file-types configurations (#4414)Michael Davis2022-10-22
| | | | | | | | | | | | | | | | | The change in d801a6693c3d475b3942f705d3ef48d7966bdf65 to search for suffixes in `file-types` is too permissive: files like the tutor or `*.txt` files are now mistakenly interpreted as R or perl, respectively. This change changes the syntax for specifying a file-types entry that matches by suffix: ```toml file-types = [{ suffix = ".git/config" }] ``` And changes the file-type detection to first search for any non-suffix patterns and then search for suffixes only with the file-types entries marked explicitly as suffixes.
* syntax: Don't force lower-case for filenames (#4346)Christian Speich2022-10-21
| | | | | | | | | | | Just like for grammars we currently force a lower-case of the name for some actions (like filesystem lookup). To make this consistent and less surprising for users, we remove this lower-casing here. Note: it is still the preferred way to name both language and grammar in lower-case Signed-off-by: Christian Speich <cspeich@emlix.com>
* Allow using path suffixes to associate language file-types (#2455)midnightexigent2022-10-20
| | | | | | | | | | | | | | | | | | | | | | | | * feat(syntax): add strategy to associate file to language through pattern File path will match if it ends with any of the file types provided in the config. Also used this feature to add support for the .git/config and .ssh/config files * Add /etc/ssh/ssh_config to languages.toml * cargo xtask docgen * Update languages.md * Update languages.md * Update book/src/languages.md Co-authored-by: Ivan Tham <pickfire@riseup.net> * Update book/src/languages.md Co-authored-by: Ivan Tham <pickfire@riseup.net> Co-authored-by: Ivan Tham <pickfire@riseup.net>
* Merge pull request #2267 from dead10ck/fix-write-failBlaž Hrastnik2022-10-20
|\ | | | | Write path fixes
| * document should save even if formatter failsSkyler Hawthorne2022-10-19
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* | Pretty print `tree-sitter-subtree` expression (#4295)Fisher Darling2022-10-19
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* Log failures to load tree-sitter parsers as error (#4315)Michael Davis2022-10-16
| | | | | | | Info logs don't show up in the log file by default, but this line should: failures to load tree-sitter parser objects are useful errors. A parser might fail to load it is misconfigured (https://github.com/helix-editor/helix/pull/4303#discussion_r996448543) or if the file does not exist.
* do not reparse unmodified injections (#4146)Pascal Kuthe2022-10-11
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* fix: map_err()? instead of unwrap (#3826)Alexander Brevig2022-09-13
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* Add query-check xtaskMichael Davis2022-08-31
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* tree-sitter: Prevent panic on loading queriesMichael Davis2022-08-31
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* tree-sitter: Refactor lazy query loadingMichael Davis2022-08-31
| | | | | | The code for loading queries can be shared between indent and textobjects queries. In both cases we want to kick an error message out to the logs.
* Fix nondeterministic highlighting (#3275)A-Walrus2022-08-05
| | | | | | | | | | | | | | | | | * Fix nondeterministic highlighting This is done by prefering matches in the begining, ie for `keyword.function`, `keyword` is a better match than `function`. * Use all positions and not just leftmost Fixes possible edgecase with something like `function.method.builtin` and the queries `function.builtin` and `function.method` * Switch to bitmask for slightly better performance * Make matches from the start of string Also change comments to match new behaviour
* Change default formatter for any language (#2942)PiergiorgioZagaria2022-08-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Change default formatter for any language * Fix clippy error * Close stdin for Stdio formatters * Better indentation and pattern matching * Return Result<Option<...>> for fn format instead of Option * Remove unwrap for stdin * Handle FormatterErrors instead of Result<Option<...>> * Use Transaction instead of LspFormatting * Use Transaction directly in Document::format * Perform stdin type formatting asynchronously * Rename formatter.type values to kebab-case * Debug format for displaying io::ErrorKind (msrv fix) * Solve conflict? * Use only stdio type formatters * Remove FormatterType enum * Remove old comment * Check if the formatter exited correctly * Add formatter configuration to the book * Avoid allocations when writing to stdin and formatting errors * Remove unused import Co-authored-by: Gokul Soumya <gokulps15@gmail.com>
* Exclude only named children without injection.include-children (#3129)Matthias Deiml2022-08-03
| | | | | * Exclude only named children without injection.include-children * Add injection.include-unnamed-children parameter
* Replace '; inherits <language>' in treesitter queries with <language> ↵Philipp Mildenberger2022-07-22
| | | | | queries instead of appending them (#2470) Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>