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feat(treesitter)!: incremental injection parsing

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Problem:

Treesitter highlighting is slow for large files with lots of injections.

Solution:

Only parse injections we are going to render during a redraw cycle.

---

- `LanguageTree:parse()` will no longer parse injections by default and
  now requires an explicit range argument to be passed.

- `TSHighlighter` now parses injections incrementally during on_win
  callbacks for the line range being rendered.

- Plugins which require certain injections to be parsed must run
  `parser:parse({ start_row, end_row })` before using the tree.
This commit is contained in:
Lewis Russell
2023-08-10 14:21:56 +01:00
committed by Lewis Russell
parent 5a25dcc5a4
commit 2ca076e45f
11 changed files with 279 additions and 117 deletions
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7
runtime/lua/vim/treesitter/_meta.lua
View File

@@ -1,6 +1,6 @@
---@meta
---@class TSNode
---@class TSNode: userdata
---@field id fun(self: TSNode): integer
---@field tree fun(self: TSNode): TSTree
---@field range fun(self: TSNode, include_bytes: false?): integer, integer, integer, integer
@@ -51,7 +51,7 @@ function TSNode:_rawquery(query, captures, start, end_, opts) end
---@field parse fun(self: TSParser, tree: TSTree?, source: integer|string, include_bytes: boolean?): TSTree, integer[]
---@field reset fun(self: TSParser)
---@field included_ranges fun(self: TSParser, include_bytes: boolean?): integer[]
---@field set_included_ranges fun(self: TSParser, ranges: Range6[])
---@field set_included_ranges fun(self: TSParser, ranges: (Range6|TSNode)[])
---@field set_timeout fun(self: TSParser, timeout: integer)
---@field timeout fun(self: TSParser): integer
---@field _set_logger fun(self: TSParser, lex: boolean, parse: boolean, cb: TSLoggerCallback)
@@ -61,7 +61,8 @@ function TSNode:_rawquery(query, captures, start, end_, opts) end
---@field root fun(self: TSTree): TSNode
---@field edit fun(self: TSTree, _: integer, _: integer, _: integer, _: integer, _: integer, _: integer, _: integer, _: integer, _:integer)
---@field copy fun(self: TSTree): TSTree
---@field included_ranges fun(self: TSTree, include_bytes: boolean?): integer[]
---@field included_ranges fun(self: TSTree, include_bytes: true): Range6[]
---@field included_ranges fun(self: TSTree, include_bytes: false): Range4[]
---@return integer
vim._ts_get_language_version = function() end