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|
local a = vim.api
local M = {}
--- Asserts that the provided language is installed, and optionally provide a path for the parser
---
--- Parsers are searched in the `parser` runtime directory.
---
---@param lang string The language the parser should parse
---@param path string|nil Optional path the parser is located at
---@param silent boolean|nil Don't throw an error if language not found
---@param symbol_name string|nil Internal symbol name for the language to load
function M.require_language(lang, path, silent, symbol_name)
if vim._ts_has_language(lang) then
return true
end
if path == nil then
local fname = 'parser/' .. vim.fn.fnameescape(lang) .. '.*'
local paths = a.nvim_get_runtime_file(fname, false)
if #paths == 0 then
if silent then
return false
end
error("no parser for '" .. lang .. "' language, see :help treesitter-parsers")
end
path = paths[1]
end
if silent then
return pcall(function()
vim._ts_add_language(path, lang, symbol_name)
end)
else
vim._ts_add_language(path, lang, symbol_name)
end
return true
end
--- Inspects the provided language.
---
--- Inspecting provides some useful information on the language like node names, ...
---
---@param lang The language.
function M.inspect_language(lang)
M.require_language(lang)
return vim._ts_inspect_language(lang)
end
return M
|
