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feat(treesitter): bundle markdown parser and queries (#22481)

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* bundle split Markdown parser from https://github.com/MDeiml/tree-sitter-markdown
* add queries from https://github.com/nvim-treesitter/nvim-treesitter/tree/main
* upstream `#trim!` and `#inject-language!` directives

Co-authored-by: dundargoc <gocdundar@gmail.com>
This commit is contained in:
Christian Clason
2023-07-01 11:08:06 +02:00
committed by GitHub
parent 538b6c3853
commit 11844dde81
12 changed files with 325 additions and 3 deletions
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60
runtime/lua/vim/treesitter/query.lua
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@@ -475,7 +475,6 @@ local directive_handlers = {
metadata[capture_id].range = range
end
end,
-- Transform the content of the node
-- Example: (#gsub! @_node ".*%.(.*)" "%1")
['gsub!'] = function(match, _, bufnr, pred, metadata)
@@ -497,6 +496,65 @@ local directive_handlers = {
metadata[id].text = text:gsub(pattern, replacement)
end,
-- Trim blank lines from end of the node
-- Example: (#trim! @fold)
-- TODO(clason): generalize to arbitrary whitespace removal
['trim!'] = function(match, _, bufnr, pred, metadata)
local node = match[pred[2]]
if not node then
return
end
local start_row, start_col, end_row, end_col = node:range()
-- Don't trim if region ends in middle of a line
if end_col ~= 0 then
return
end
while true do
-- As we only care when end_col == 0, always inspect one line above end_row.
local end_line = vim.api.nvim_buf_get_lines(bufnr, end_row - 1, end_row, true)[1]
if end_line ~= '' then
break
end
end_row = end_row - 1
end
-- If this produces an invalid range, we just skip it.
if start_row < end_row or (start_row == end_row and start_col <= end_col) then
metadata.range = { start_row, start_col, end_row, end_col }
end
end,
-- Set injection language from node text, interpreted first as language and then as filetype
-- Example: (#inject-language! @_lang)
['inject-language!'] = function(match, _, bufnr, pred, metadata)
local id = pred[2]
local node = match[id]
if not node then
return
end
-- TODO(clason): replace by refactored `ts.has_parser` API
local has_parser = function(lang)
return vim._ts_has_language(lang)
or #vim.api.nvim_get_runtime_file('parser/' .. lang .. '.*', false) > 0
end
local alias = vim.treesitter.get_node_text(node, bufnr, { metadata = metadata[id] })
if not alias then
return
elseif has_parser(alias) then
metadata['injection.language'] = alias
else
local lang = vim.treesitter.language.get_lang(alias)
if lang and has_parser(lang) then
metadata['injection.language'] = lang
end
end
end,
}
--- Adds a new predicate to be used in queries