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if not pcall(require,"vim.treesitter.languagetree") then
error("nvim-treesitter requires a more recent Neovim nightly version!")
end
local install = require'nvim-treesitter.install'
local utils = require'nvim-treesitter.utils'
local ts_utils = require'nvim-treesitter.ts_utils'
local info = require'nvim-treesitter.info'
local configs = require'nvim-treesitter.configs'
local parsers = require'nvim-treesitter.parsers'
-- Registers all query predicates
require"nvim-treesitter.query_predicates"
local M = {}
function M.setup()
utils.setup_commands('install', install.commands)
utils.setup_commands('info', info.commands)
utils.setup_commands('configs', configs.commands)
configs.init()
end
function M.define_modules(...)
configs.define_modules(...)
end
local get_line_for_node = function(node, type_patterns, transform_fn)
local node_type = node:type()
local is_valid = false
for _, rgx in ipairs(type_patterns) do
if node_type:find(rgx) then
is_valid = true
break
end
end
if not is_valid then return '' end
local line = transform_fn(vim.trim(ts_utils.get_node_text(node)[1] or ''))
-- Escape % to avoid statusline to evaluate content as expression
return line:gsub('%%', '%%%%')
end
-- Trim spaces and opening brackets from end
local transform_line = function(line)
return line:gsub('%s*[%[%(%{]*%s*$', '')
end
function M.statusline(opts)
if not parsers.has_parser() then return end
local options = opts or {}
if type(opts) == 'number' then
options = {indicator_size = opts}
end
local indicator_size = options.indicator_size or 100
local type_patterns = options.type_patterns or {'class', 'function', 'method'}
local transform_fn = options.transform_fn or transform_line
local separator = options.separator or ' -> '
local current_node = ts_utils.get_node_at_cursor()
if not current_node then return "" end
local lines = {}
local expr = current_node
while expr do
local line = get_line_for_node(expr, type_patterns, transform_fn)
if line ~= '' and not vim.tbl_contains(lines, line) then
table.insert(lines, 1, line)
end
expr = expr:parent()
end
local text = table.concat(lines, separator)
local text_len = #text
if text_len > indicator_size then
return '...'..text:sub(text_len - indicator_size, text_len)
end
return text
end
return M
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