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-rw-r--r--runtime/doc/news.txt2
-rw-r--r--runtime/doc/treesitter.txt16
-rw-r--r--runtime/lua/vim/treesitter/query.lua66
-rw-r--r--test/functional/treesitter/query_spec.lua28
4 files changed, 97 insertions, 15 deletions
diff --git a/runtime/doc/news.txt b/runtime/doc/news.txt
index 1dee72314a..65417971ab 100644
--- a/runtime/doc/news.txt
+++ b/runtime/doc/news.txt
@@ -376,6 +376,8 @@ TREESITTER
child that contains a given node as descendant.
• |LanguageTree:parse()| optionally supports asynchronous invocation, which is
activated by passing the `on_parse` callback parameter.
+• |vim.treesitter.query.set()| can now inherit and/or extend runtime file
+ queries in addition to overriding.
TUI
diff --git a/runtime/doc/treesitter.txt b/runtime/doc/treesitter.txt
index d87439a1e0..df974d750c 100644
--- a/runtime/doc/treesitter.txt
+++ b/runtime/doc/treesitter.txt
@@ -1349,7 +1349,7 @@ parse({lang}, {query}) *vim.treesitter.query.parse()*
`info.captures`).
• `info.patterns`: information about predicates.
- Example (to try it, use `g==` or select the code then run `:'<,'>lua`): >lua
+ Example: >lua
local query = vim.treesitter.query.parse('vimdoc', [[
; query
((h1) @str
@@ -1466,8 +1466,18 @@ Query:iter_matches({node}, {source}, {start}, {stop}, {opts})
set({lang}, {query_name}, {text}) *vim.treesitter.query.set()*
Sets the runtime query named {query_name} for {lang}
- This allows users to override any runtime files and/or configuration set
- by plugins.
+ This allows users to override or extend any runtime files and/or
+ configuration set by plugins.
+
+ For example, you could enable spellchecking of `C` identifiers with the
+ following code: >lua
+ vim.treesitter.query.set(
+ 'c',
+ 'highlights',
+ [[;inherits c
+ (identifier) @spell]])
+ ]])
+<
Parameters: ~
• {lang} (`string`) Language to use for the query
diff --git a/runtime/lua/vim/treesitter/query.lua b/runtime/lua/vim/treesitter/query.lua
index 8055270a7f..10fb82e533 100644
--- a/runtime/lua/vim/treesitter/query.lua
+++ b/runtime/lua/vim/treesitter/query.lua
@@ -5,6 +5,9 @@ local api = vim.api
local language = require('vim.treesitter.language')
local memoize = vim.func._memoize
+local MODELINE_FORMAT = '^;+%s*inherits%s*:?%s*([a-z_,()]+)%s*$'
+local EXTENDS_FORMAT = '^;+%s*extends%s*$'
+
local M = {}
local function is_directive(name)
@@ -167,9 +170,6 @@ function M.get_files(lang, query_name, is_included)
-- ;+ inherits: ({language},)*{language}
--
-- {language} ::= {lang} | ({lang})
- local MODELINE_FORMAT = '^;+%s*inherits%s*:?%s*([a-z_,()]+)%s*$'
- local EXTENDS_FORMAT = '^;+%s*extends%s*$'
-
for _, filename in ipairs(lang_files) do
local file, err = io.open(filename, 'r')
if not file then
@@ -242,8 +242,8 @@ local function read_query_files(filenames)
return table.concat(contents, '')
end
--- The explicitly set queries from |vim.treesitter.query.set()|
----@type table<string,table<string,vim.treesitter.Query>>
+-- The explicitly set query strings from |vim.treesitter.query.set()|
+---@type table<string,table<string,string>>
local explicit_queries = setmetatable({}, {
__index = function(t, k)
local lang_queries = {}
@@ -255,16 +255,27 @@ local explicit_queries = setmetatable({}, {
--- Sets the runtime query named {query_name} for {lang}
---
---- This allows users to override any runtime files and/or configuration
+--- This allows users to override or extend any runtime files and/or configuration
--- set by plugins.
---
+--- For example, you could enable spellchecking of `C` identifiers with the
+--- following code:
+--- ```lua
+--- vim.treesitter.query.set(
+--- 'c',
+--- 'highlights',
+--- [[;inherits c
+--- (identifier) @spell]])
+--- ]])
+--- ```
+---
---@param lang string Language to use for the query
---@param query_name string Name of the query (e.g., "highlights")
---@param text string Query text (unparsed).
function M.set(lang, query_name, text)
--- @diagnostic disable-next-line: undefined-field LuaLS bad at generics
M.get:clear(lang, query_name)
- explicit_queries[lang][query_name] = M.parse(lang, text)
+ explicit_queries[lang][query_name] = text
end
--- Returns the runtime query {query_name} for {lang}.
@@ -274,12 +285,43 @@ end
---
---@return vim.treesitter.Query? : Parsed query. `nil` if no query files are found.
M.get = memoize('concat-2', function(lang, query_name)
+ local query_string ---@type string
+
if explicit_queries[lang][query_name] then
- return explicit_queries[lang][query_name]
- end
+ local query_files = {}
+ local base_langs = {} ---@type string[]
+
+ for line in explicit_queries[lang][query_name]:gmatch('([^\n]*)\n?') do
+ if not vim.startswith(line, ';') then
+ break
+ end
+
+ local lang_list = line:match(MODELINE_FORMAT)
+ if lang_list then
+ for _, incl_lang in ipairs(vim.split(lang_list, ',')) do
+ local is_optional = incl_lang:match('%(.*%)')
- local query_files = M.get_files(lang, query_name)
- local query_string = read_query_files(query_files)
+ if is_optional then
+ add_included_lang(base_langs, lang, incl_lang:sub(2, #incl_lang - 1))
+ else
+ add_included_lang(base_langs, lang, incl_lang)
+ end
+ end
+ elseif line:match(EXTENDS_FORMAT) then
+ table.insert(base_langs, lang)
+ end
+ end
+
+ for _, base_lang in ipairs(base_langs) do
+ local base_files = M.get_files(base_lang, query_name, true)
+ vim.list_extend(query_files, base_files)
+ end
+
+ query_string = read_query_files(query_files) .. explicit_queries[lang][query_name]
+ else
+ local query_files = M.get_files(lang, query_name)
+ query_string = read_query_files(query_files)
+ end
if #query_string == 0 then
return nil
@@ -303,7 +345,7 @@ api.nvim_create_autocmd('OptionSet', {
--- - `captures`: a list of unique capture names defined in the query (alias: `info.captures`).
--- - `info.patterns`: information about predicates.
---
---- Example (to try it, use `g==` or select the code then run `:'<,'>lua`):
+--- Example:
--- ```lua
--- local query = vim.treesitter.query.parse('vimdoc', [[
--- ; query
diff --git a/test/functional/treesitter/query_spec.lua b/test/functional/treesitter/query_spec.lua
index 6bab171ee8..6db0ffe5a0 100644
--- a/test/functional/treesitter/query_spec.lua
+++ b/test/functional/treesitter/query_spec.lua
@@ -812,6 +812,34 @@ void ui_refresh(void)
)
end)
+ it('supports "; extends" modeline in custom queries', function()
+ insert('int zeero = 0;')
+ local result = exec_lua(function()
+ vim.treesitter.query.set(
+ 'c',
+ 'highlights',
+ [[; extends
+ (identifier) @spell]]
+ )
+ local query = vim.treesitter.query.get('c', 'highlights')
+ local parser = vim.treesitter.get_parser(0, 'c')
+ local root = parser:parse()[1]:root()
+ local res = {}
+ for id, node in query:iter_captures(root, 0) do
+ table.insert(res, { query.captures[id], vim.treesitter.get_node_text(node, 0) })
+ end
+ return res
+ end)
+ eq({
+ { 'type.builtin', 'int' },
+ { 'variable', 'zeero' },
+ { 'spell', 'zeero' },
+ { 'operator', '=' },
+ { 'number', '0' },
+ { 'punctuation.delimiter', ';' },
+ }, result)
+ end)
+
describe('Query:iter_captures', function()
it('includes metadata for all captured nodes #23664', function()
insert([[