This is a rather large refactor that moves most of the code for
loading, fetching, and building grammars into a new helix-loader
module. This works well with the [[grammars]] syntax for
languages.toml defined earlier: we only have to depend on the types
for GrammarConfiguration in helix-loader and can leave all the
[[language]] entries for helix-core.
The vision with 'use-grammars' is to allow the long-requested feature
of being able to declare your own set of grammars that you would like.
A simple schema with only/except grammar names controls the list
of grammars that is fetched and built. It does not (yet) control which
grammars may be loaded at runtime if they already exist.
This is not strictly speaking necessary. tree_sitter_library was used by
just one grammar: llvm-mir-yaml, which uses the yaml grammar. This will
make the language more consistent, though. Each language can explicitly
say that they use Some(grammar), defaulting when None to the grammar that
has a grammar_id matching the language's language_id.
helix-syntax mostly existed for the sake of the build task which
checks and compiles the submodules. Since we won't be relying on
that process anymore, it doesn't end up making much sense to have
a very thin crate just for some functions that we could port to
helix-core.
The remaining build-related code is moved to helix-term which will
be able to provide grammar builds through the --build-grammars CLI
flag.
Here we add syntax to the languages.toml languge
[[grammar]]
name = "<name>"
source = { .. }
Which can be used to specify a tree-sitter grammar separately of
the language that defines it, and we make this distinction for
two reasons:
* In later commits, we will separate this code from helix-core
and bring it to a new helix-loader crate. Using separate schemas
for language and grammar configurations allows for a nice divide
between the types needed to be declared in helix-loader and in
helix-core/syntax
* Two different languages may use the same grammar. This is currently
the case with llvm-mir-yaml and yaml. We could accomplish a config
that works for this with just `[[languages]]`, but it gets a bit
dicey with languages depending on one another. If you enable
llvm-mir-yaml and disable yaml, does helix still need to fetch and
build tree-sitter-yaml? It could be a matter of interpretation.
* Move runtime file location definitions to core
* Add basic --health command
* Add language specific --health
* Show summary for all langs with bare --health
* Use TsFeature from xtask for --health
* cargo fmt
Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
Treesitter captures can contain multiple nodes like so:
```
(line_comment)+ @comment
```
This would match each line in a comment as a separate
`@comment` capture when what we actually want is the
whole set of contiguous `line_comment` nodes to be
captured under the `@comment` capture. This commit enables
this behaviour.
* impl auto pairs config
Implements configuration for which pairs of tokens get auto completed.
In order to help with this, the logic for when *not* to auto complete
has been generalized from a specific hardcoded list of characters to
simply testing if the next/prev char is alphanumeric.
It is possible to configure a global list of pairs as well as at the
language level. The language config will take precedence over the
global config.
* rename AutoPair -> Pair
* clean up insert_char command
* remove Rc
* remove some explicit cloning with another impl
* fix lint
* review comments
* global auto-pairs = false takes precedence over language settings
* make clippy happy
* print out editor config on startup
* move auto pairs accessor into Document
* rearrange auto pair doc comment
* use pattern in Froms
This code:
let start = ensure_grapheme_boundary_next(text, text.byte_to_char(start));
let end = ensure_grapheme_boundary_next(text, text.byte_to_char(end));
Would convert byte to char index, but then internally immediately convert back
to byte index, operate on it, then convert it to char index.
This change reduces the amount of time spent in ensure_grapheme_boundary from
29% to 2%.
* add select_next_sibling and select_prev_sibling commands
* refactor objects to use higher order functions
* address clippy feedback
* move selection cloning into commands
* add default keybindings under left/right brackets
* use [+t,]+t for selecting sibling syntax nodes
* setup Alt-{j,k,h,l} default keymaps for syntax selection commands
* reduce boilerplate of select_next/prev_sibling in commands
* import tree-sitter Node type in commands
Auto pairs were resulting in incorrect ranges in the resulting when the
line terminators are CRLF (i.e. Windows). It turns out this is because
when we were checking if the selection was a single-width cursor, it
incorrectly assumed that this would be a single char. This is not the
case, as a cursor can cover a multi-code point grapheme. Therefore,
we must instead explicitly work with and check graphemes to determine
if the cursor should move or extend the selection.
Fixes#1436
* feat(commands): shrink_selection
Add `shrink_selection` command that can be used to shrink
previously expanded selection.
To make `shrink_selection` work it was necessary to add
selection history to the Document since we want to shrink
the selection towards the syntax tree node that was initially
selected.
Selection history is cleared any time the user changes
selection other way than by `expand_selection`. This ensures
that we don't get some funky edge cases when user calls
`shrink_selection`.
Related: https://github.com/helix-editor/helix/discussions/1328
* Refactor shrink_selection, move history to view
* Remove useless comment
* Add default key mapping for extend&shrink selection
* Rework contains_selection method
* Shrink selection without expand selects first child
* Add injection regex for more languages
To support embedding them in other languages like markdown.
* Add llvm-mir highlighting
LLVM Machine IR is dumped as yaml files that can embed LLVM IR and
Machine IR.
To support this, add a llvm-mir-yaml language that uses the yaml
parser, but uses different injections to highlight IR and MIR.
* Update submodule with fixed multiline comments
Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>
* feat(commands): ensure_selections_forward
Add command that ensures that selections are in forward direction.
Fixes: https://github.com/helix-editor/helix/issues/1332
* Add keybinding for ensure_selections_forward
Add `A-:` keybinding for the ensure_selections_forward command.
* Re-use range.flip for flip_selections command
* feat(ui): file encoding in statusline
Display file encoding in statusline if the encoding
isn't UTF-8.
* Re-export encoding_rs from core
From there it can be imported by other mods
that rely on it.
* feat(lsp): configurable diagnostic severity
Allow severity of diagnostic messages to be configured.
E.g. allow turning of Hint level diagnostics.
Fixes: https://github.com/helix-editor/helix/issues/1007
* Use language_config() method
* Add documentation for diagnostic_severity
* Use unreachable for unknown severity level
* fix: documentation for diagnostic_severity config
* use auto pairs with selections
Previously, the auto pairs code was converting the user selection into
its cursor form, and setting the transaction's selection to that cursor.
This has the effect of destroying the user's selection if they type a
pair character that gets auto completed.
This fixes the code to work with the user's selection, inserting auto
pairs where appropriate, but either keeping or extending the user's
selection.
* use movement::Direction instead of bool
* assume 0-width cursor is forward
* Add auto pairs for same-char pairs
* Add unit tests for all existing functionality
* Add auto pairs for same-char pairs (quotes, etc). Account for
apostrophe in prose by requiring both sides of the cursor to be
non-pair chars or whitespace. This also incidentally will work for
avoiding a double single quote in lifetime annotations, at least until
<> is added
* Slight factor of moving the cursor transform of the selection to
inside the hooks. This will enable doing auto pairing with selections,
and fixing the bug where auto pairs destroy the selection.
Fixes#1014
Fixes#1077. This was caused by the assumption that a block
cursor is represented as zero width internally and simply
rendered to be a single width selection, where as in reality
a block cursor is an actual single width selection in form and
function.
Behavioural changes:
1. Surround selection no longer works when cursor is _on_ a
surround character that has matching pairs (like `'`
or `"`). This was the intended behaviour from the start
but worked till now because of the cursor position
calculation mismatch.
* Jump to end char of surrounding pair from any cursor pos
* Separate bracket matching into exact and fuzzy search
* Add constants for bracket chars
* Abort early if char under cursor is not a bracket
* Simplify bracket char validation
* Refactor node search and unify find methods
* Remove bracket constants
* Add command to inc/dec number under cursor
With the cursor over a number in normal mode, Ctrl + A will increment the
number and Ctrl + X will decrement the number. It works with binary, octal,
decimal, and hexidecimal numbers. Here are some examples.
0b01110100
0o1734
-24234
0x1F245
If the number isn't over a number it will try to find a number after the
cursor on the same line.
* Move several functions to helix-core
* Change to work based on word under selection
* It no longer finds the next number if the cursor isn't already over
a number.
* It only matches numbers that are part of words with other characters
like "foo123bar".
* It now works with multiple selections.
* Add some unit tests
* Fix for clippy
* Simplify some things
* Keep previous selection after incrementing
* Use short word instead of long word
This change requires us to manually handle minus sign.
* Don't pad decimal numbers if no leading zeros
* Handle numbers with `_` separators
* Refactor and add tests
* Move most of the code into core
* Add tests for the incremented output
* Use correct range
* Formatting
* Rename increment functions
* Make docs more specific
* This is easier to read
* This is clearer
* Type can be inferred
* Add treesitter textobject queries
Only for Go, Python and Rust for now.
* Add tree-sitter textobjects
Only has functions and class objects as of now.
* Fix tests
* Add docs for tree-sitter textobjects
* Add guide for creating new textobject queries
* Add parameter textobject
Only parameter.inside is implemented now, parameter.around
will probably require custom predicates akin to nvim' `make-range`
since we want to select a trailing comma too (a comma will be
an anonymous node and matching against them doesn't work similar
to named nodes)
* Simplify TextObject cell init
* allow language.config (in languages.toml) to be passed in as a toml object
* Change config field for languages from json string to toml object
* remove indents on languages.toml config
* fix: remove patch version from serde_json import in helix-core
* Use same tree-sitter-zig as upstream/master
* feat: merge default languages.toml with user provided languages.toml
* refactor: use catch-all to override all other values for merge toml
* tests: add a test case for merging languages configs
* refactor: change test module name
* Fix around-word text-object selection.
* Text object around-word: select to the left if no whitespace on the right.
Also only select around when there's whitespace at all.
* Make select-word-around select all white space on a side.
* Update commented-out test case.
* Fix unused import warning from rebase.
* Implement `margin` calculation for uncommenting
* Move `margin` calculation to `find_line_comment`
* Fix comment bug with multiple selections on a line
* Fix `find_line_comment` test for new return type
* Generate a single vec of lines for comment toggle
`toggle_line_comments` collects the lines covered by all selections into
a `Vec`, skipping duplicates. `find_line_comment` now returns the lines
to operate on, instead of returning the lines to skip.
* Fix test for `find_line_comment`
* Reserve length of `to_change` instead of `lines`
The length of `lines` includes blank lines which will be skipped, and as
such do not need space for a change reserved for them. `to_change`
includes only the lines which will be changed.
* Use `token.chars().count()` for token char length
* Create `changes` with capacity instead of reserving
* Remove unnecessary clones in `test_find_line_comment`
* Add test case for 0 margin comments
* Add comments explaining `find_line_comment`
* Added option to provide a custom config file to the lsp.
* Simplified lsp loading routine with anyhow
* Moved config to language.toml
* Fixed test case
* Cargo fmt
* Revert now-useless changes
* Renamed custom_config to config
Co-authored-by: Cor <prive@corpeters.nl>
For example when the cursor is _on_ the `'` in `'word'`, the cursor
wouldn't move because the search for a matching pair started _from_ the
position of the cursor and simply found itself.
* Add textobjects for word
* Add textobjects for surround characters
* Apply clippy lints
* Remove ThisWordPrevBound in favor of PrevWordEnd
It's the same as PrevWordEnd except for taking the current char
into account, so use a "flag" to capture that usecase
* Add tests for PrevWordEnd movement
* Remove ThisWord* movements
They did not preserve anchor positions and were only used
for textobject boundary search anyway so replace them with
simple position finding functions
* Rewrite tests of word textobject
* Add tests for surround textobject
* Add textobject docs
* Refactor textobject word position functions
* Apply clippy lints on textobject
* Fix overflow error with textobjects
Surround operations previously ignored other pairs that are
enclosed within which should be skipped. For example if the
cursor is on the `,` in `{{a},{b}}`, doing `md{` previously
would delete the `{` on the left of `a` and `}` on the right
of `b` instead of the outermost braces. This commit corrects
this behavior.
