431 lines
12 KiB
Lua
431 lines
12 KiB
Lua
local channel = require("plenary.async.control").channel
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local actions = require "telescope.actions"
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local sorters = require "telescope.sorters"
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local conf = require("telescope.config").values
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local finders = require "telescope.finders"
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local make_entry = require "telescope.make_entry"
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local pickers = require "telescope.pickers"
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local utils = require "telescope.utils"
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local lsp = {}
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local function call_hierarchy(opts, method, title, direction, item)
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vim.lsp.buf_request(opts.bufnr, method, { item = item }, function(err, result)
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if err then
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vim.api.nvim_err_writeln("Error handling " .. title .. ": " .. err.message)
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return
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end
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if not result or vim.tbl_isempty(result) then
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return
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end
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local locations = {}
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for _, ch_call in pairs(result) do
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local ch_item = ch_call[direction]
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for _, rng in pairs(ch_call.fromRanges) do
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table.insert(locations, {
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filename = vim.uri_to_fname(ch_item.uri),
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text = ch_item.name,
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lnum = rng.start.line + 1,
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col = rng.start.character + 1,
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})
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end
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end
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pickers
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.new(opts, {
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prompt_title = title,
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finder = finders.new_table {
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results = locations,
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entry_maker = opts.entry_maker or make_entry.gen_from_quickfix(opts),
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},
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previewer = conf.qflist_previewer(opts),
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sorter = conf.generic_sorter(opts),
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push_cursor_on_edit = true,
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push_tagstack_on_edit = true,
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})
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:find()
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end)
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end
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local function pick_call_hierarchy_item(call_hierarchy_items)
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if not call_hierarchy_items then
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return
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end
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if #call_hierarchy_items == 1 then
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return call_hierarchy_items[1]
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end
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local items = {}
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for i, item in pairs(call_hierarchy_items) do
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local entry = item.detail or item.name
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table.insert(items, string.format("%d. %s", i, entry))
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end
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local choice = vim.fn.inputlist(items)
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if choice < 1 or choice > #items then
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return
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end
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return choice
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end
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local function calls(opts, direction)
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local params = vim.lsp.util.make_position_params()
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vim.lsp.buf_request(opts.bufnr, "textDocument/prepareCallHierarchy", params, function(err, result)
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if err then
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vim.api.nvim_err_writeln("Error when preparing call hierarchy: " .. err)
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return
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end
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local call_hierarchy_item = pick_call_hierarchy_item(result)
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if not call_hierarchy_item then
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return
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end
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if direction == "from" then
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call_hierarchy(opts, "callHierarchy/incomingCalls", "LSP Incoming Calls", direction, call_hierarchy_item)
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else
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call_hierarchy(opts, "callHierarchy/outgoingCalls", "LSP Outgoing Calls", direction, call_hierarchy_item)
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end
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end)
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end
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lsp.incoming_calls = function(opts)
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calls(opts, "from")
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end
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lsp.outgoing_calls = function(opts)
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calls(opts, "to")
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end
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---@type { [string]: fun(results: table, opts: table): table }
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local action_handlers = {
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["textDocument/references"] = function(results, opts)
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if opts.include_current_line == false then
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results = vim.tbl_filter(function(result)
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return not (
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result.filename == vim.api.nvim_buf_get_name(opts.bufnr)
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and result.lnum == vim.api.nvim_win_get_cursor(opts.winnr)
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)
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end, results)
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end
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return results
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end,
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}
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---@param action string
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---@param results table
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---@param opts table
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---@return table results
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local apply_action_handler = function(action, results, opts)
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local handler = action_handlers[action]
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if handler then
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return handler(results, opts)
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end
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return results
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end
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---@param action string
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---@param title string prompt title
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---@param params lsp.TextDocumentPositionParams
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---@param opts table
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local function list_or_jump(action, title, params, opts)
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vim.lsp.buf_request(opts.bufnr, action, params, function(err, result, ctx, _)
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if err then
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vim.api.nvim_err_writeln("Error when executing " .. action .. " : " .. err.message)
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return
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end
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if result == nil then
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return
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end
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local flattened_results = {}
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if not vim.tbl_islist(result) then
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flattened_results = { result }
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end
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vim.list_extend(flattened_results, result)
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flattened_results = apply_action_handler(action, flattened_results, opts)
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local offset_encoding = vim.lsp.get_client_by_id(ctx.client_id).offset_encoding
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if vim.tbl_isempty(flattened_results) then
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return
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elseif #flattened_results == 1 and opts.jump_type ~= "never" then
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local current_uri = params.textDocument.uri
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local target_uri = flattened_results[1].uri or flattened_results[1].targetUri
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if current_uri ~= target_uri then
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local cmd
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local file_path = vim.uri_to_fname(target_uri)
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if opts.jump_type == "tab" then
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cmd = "tabedit"
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elseif opts.jump_type == "split" then
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cmd = "new"
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elseif opts.jump_type == "vsplit" then
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cmd = "vnew"
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elseif opts.jump_type == "tab drop" then
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cmd = "tab drop"
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end
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if cmd then
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vim.cmd(string.format("%s %s", cmd, file_path))
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end
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end
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vim.lsp.util.jump_to_location(flattened_results[1], offset_encoding, opts.reuse_win)
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else
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local locations = vim.lsp.util.locations_to_items(flattened_results, offset_encoding)
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pickers
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.new(opts, {
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prompt_title = title,
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finder = finders.new_table {
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results = locations,
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entry_maker = opts.entry_maker or make_entry.gen_from_quickfix(opts),
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},
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previewer = conf.qflist_previewer(opts),
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sorter = conf.generic_sorter(opts),
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push_cursor_on_edit = true,
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push_tagstack_on_edit = true,
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})
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:find()
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end
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end)
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end
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lsp.references = function(opts)
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local params = vim.lsp.util.make_position_params(opts.winnr)
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params.context = { includeDeclaration = vim.F.if_nil(opts.include_declaration, true) }
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return list_or_jump("textDocument/references", "LSP References", params, opts)
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end
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lsp.definitions = function(opts)
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local params = vim.lsp.util.make_position_params(opts.winnr)
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return list_or_jump("textDocument/definition", "LSP Definitions", params, opts)
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end
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lsp.type_definitions = function(opts)
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local params = vim.lsp.util.make_position_params(opts.winnr)
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return list_or_jump("textDocument/typeDefinition", "LSP Type Definitions", params, opts)
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end
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lsp.implementations = function(opts)
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local params = vim.lsp.util.make_position_params(opts.winnr)
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return list_or_jump("textDocument/implementation", "LSP Implementations", params, opts)
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end
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local symbols_sorter = function(symbols)
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if vim.tbl_isempty(symbols) then
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return symbols
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end
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local current_buf = vim.api.nvim_get_current_buf()
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-- sort adequately for workspace symbols
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local filename_to_bufnr = {}
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for _, symbol in ipairs(symbols) do
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if filename_to_bufnr[symbol.filename] == nil then
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filename_to_bufnr[symbol.filename] = vim.uri_to_bufnr(vim.uri_from_fname(symbol.filename))
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end
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symbol.bufnr = filename_to_bufnr[symbol.filename]
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end
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table.sort(symbols, function(a, b)
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if a.bufnr == b.bufnr then
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return a.lnum < b.lnum
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end
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if a.bufnr == current_buf then
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return true
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end
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if b.bufnr == current_buf then
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return false
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end
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return a.bufnr < b.bufnr
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end)
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return symbols
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end
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lsp.document_symbols = function(opts)
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local params = vim.lsp.util.make_position_params(opts.winnr)
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vim.lsp.buf_request(opts.bufnr, "textDocument/documentSymbol", params, function(err, result, _, _)
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if err then
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vim.api.nvim_err_writeln("Error when finding document symbols: " .. err.message)
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return
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end
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if not result or vim.tbl_isempty(result) then
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utils.notify("builtin.lsp_document_symbols", {
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msg = "No results from textDocument/documentSymbol",
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level = "INFO",
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})
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return
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end
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local locations = vim.lsp.util.symbols_to_items(result or {}, opts.bufnr) or {}
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locations = utils.filter_symbols(locations, opts, symbols_sorter)
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if locations == nil then
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-- error message already printed in `utils.filter_symbols`
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return
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end
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if vim.tbl_isempty(locations) then
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utils.notify("builtin.lsp_document_symbols", {
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msg = "No document_symbol locations found",
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level = "INFO",
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})
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return
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end
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opts.path_display = { "hidden" }
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pickers
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.new(opts, {
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prompt_title = "LSP Document Symbols",
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finder = finders.new_table {
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results = locations,
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entry_maker = opts.entry_maker or make_entry.gen_from_lsp_symbols(opts),
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},
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previewer = conf.qflist_previewer(opts),
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sorter = conf.prefilter_sorter {
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tag = "symbol_type",
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sorter = conf.generic_sorter(opts),
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},
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push_cursor_on_edit = true,
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push_tagstack_on_edit = true,
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})
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:find()
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end)
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end
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lsp.workspace_symbols = function(opts)
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local params = { query = opts.query or "" }
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vim.lsp.buf_request(opts.bufnr, "workspace/symbol", params, function(err, server_result, _, _)
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if err then
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vim.api.nvim_err_writeln("Error when finding workspace symbols: " .. err.message)
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return
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end
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local locations = vim.lsp.util.symbols_to_items(server_result or {}, opts.bufnr) or {}
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locations = utils.filter_symbols(locations, opts, symbols_sorter)
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if locations == nil then
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-- error message already printed in `utils.filter_symbols`
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return
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end
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if vim.tbl_isempty(locations) then
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utils.notify("builtin.lsp_workspace_symbols", {
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msg = "No results from workspace/symbol. Maybe try a different query: "
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.. "'Telescope lsp_workspace_symbols query=example'",
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level = "INFO",
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})
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return
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end
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opts.ignore_filename = vim.F.if_nil(opts.ignore_filename, false)
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pickers
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.new(opts, {
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prompt_title = "LSP Workspace Symbols",
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finder = finders.new_table {
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results = locations,
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entry_maker = opts.entry_maker or make_entry.gen_from_lsp_symbols(opts),
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},
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previewer = conf.qflist_previewer(opts),
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sorter = conf.prefilter_sorter {
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tag = "symbol_type",
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sorter = conf.generic_sorter(opts),
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},
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})
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:find()
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end)
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end
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local function get_workspace_symbols_requester(bufnr, opts)
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local cancel = function() end
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return function(prompt)
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local tx, rx = channel.oneshot()
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cancel()
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_, cancel = vim.lsp.buf_request(bufnr, "workspace/symbol", { query = prompt }, tx)
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-- Handle 0.5 / 0.5.1 handler situation
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local err, res = rx()
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assert(not err, err)
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local locations = vim.lsp.util.symbols_to_items(res or {}, bufnr) or {}
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if not vim.tbl_isempty(locations) then
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locations = utils.filter_symbols(locations, opts, symbols_sorter) or {}
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end
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return locations
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end
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end
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lsp.dynamic_workspace_symbols = function(opts)
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pickers
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.new(opts, {
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prompt_title = "LSP Dynamic Workspace Symbols",
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finder = finders.new_dynamic {
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entry_maker = opts.entry_maker or make_entry.gen_from_lsp_symbols(opts),
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fn = get_workspace_symbols_requester(opts.bufnr, opts),
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},
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previewer = conf.qflist_previewer(opts),
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sorter = sorters.highlighter_only(opts),
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attach_mappings = function(_, map)
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map("i", "<c-space>", actions.to_fuzzy_refine)
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return true
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end,
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})
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:find()
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end
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local function check_capabilities(method, bufnr)
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local clients = vim.lsp.get_active_clients { bufnr = bufnr }
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for _, client in pairs(clients) do
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if client.supports_method(method, { bufnr = bufnr }) then
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return true
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end
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end
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if #clients == 0 then
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utils.notify("builtin.lsp_*", {
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msg = "no client attached",
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level = "INFO",
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})
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else
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utils.notify("builtin.lsp_*", {
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msg = "server does not support " .. method,
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level = "INFO",
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})
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end
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return false
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end
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local feature_map = {
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["document_symbols"] = "textDocument/documentSymbol",
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["references"] = "textDocument/references",
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["definitions"] = "textDocument/definition",
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["type_definitions"] = "textDocument/typeDefinition",
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["implementations"] = "textDocument/implementation",
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["workspace_symbols"] = "workspace/symbol",
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["incoming_calls"] = "callHierarchy/incomingCalls",
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["outgoing_calls"] = "callHierarchy/outgoingCalls",
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}
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local function apply_checks(mod)
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for k, v in pairs(mod) do
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mod[k] = function(opts)
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opts = opts or {}
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local method = feature_map[k]
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if method and not check_capabilities(method, opts.bufnr) then
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return
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end
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v(opts)
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end
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end
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return mod
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end
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return apply_checks(lsp)
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