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471 lines
13 KiB
Lua
471 lines
13 KiB
Lua
local M = {}
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local util = require "navigator.util"
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local nvim_0_6 = util.nvim_0_6()
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local gutil = require "guihua.util"
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local lsp = require "vim.lsp"
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local api = vim.api
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local log = require"navigator.util".log
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local lerr = require"navigator.util".error
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local trace = require"navigator.util".trace
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local symbol_kind = require"navigator.lspclient.lspkind".symbol_kind
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local cwd = vim.loop.cwd()
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local is_win = vim.loop.os_uname().sysname:find("Windows")
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local path_sep = require"navigator.util".path_sep()
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local path_cur = require"navigator.util".path_cur()
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cwd = gutil.add_pec(cwd)
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local ts_nodes = require('navigator.lru').new(1000, 1024 * 1024)
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local ts_nodes_time = require('navigator.lru').new(1000)
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local TS_analysis_enabled = require"navigator".config_values().treesitter_analysis
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-- extract symbol from range
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function M.get_symbol(text, range)
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if range == nil then
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return ""
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end
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return string.sub(text, range.start.character + 1, range['end'].character)
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end
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local function check_lhs(text, symbol)
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local find = require'guihua.util'.word_find
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local s = find(text, symbol)
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local eq = string.find(text, '=') or 0
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local eq2 = string.find(text, '==') or 0
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local eq3 = string.find(text, '!=') or 0
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local eq4 = string.find(text, '~=') or 0
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if not s or not eq then
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return false
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end
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if s < eq and eq ~= eq2 then
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log(symbol, "modified")
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end
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if eq == eq3 + 1 then
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return false
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end
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if eq == eq4 + 1 then
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return false
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end
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return s < eq and eq ~= eq2
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end
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function M.lines_from_locations(locations, include_filename)
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local fnamemodify = (function(filename)
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if include_filename then
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return vim.fn.fnamemodify(filename, ":~:.") .. ":"
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else
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return ""
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end
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end)
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local lines = {}
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for _, loc in ipairs(locations) do
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table.insert(lines, (fnamemodify(loc["filename"]) .. loc["lnum"] .. ":" .. loc["col"] .. ": "
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.. vim.trim(loc["text"])))
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end
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return lines
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end
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function M.symbols_to_items(result)
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local locations = {}
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-- log(result)
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for i = 1, #result do
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local item = result[i].location
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if item ~= nil and item.range ~= nil then
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item.kind = result[i].kind
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local kind = symbol_kind(item.kind)
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item.name = result[i].name -- symbol name
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item.text = result[i].name
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if kind ~= nil then
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item.text = kind .. ": " .. item.text
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end
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item.filename = vim.uri_to_fname(item.uri)
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item.display_filename = item.filename:gsub(cwd .. path_sep, path_cur, 1)
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if item.range == nil or item.range.start == nil then
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log("range not set", result[i], item)
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end
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item.lnum = item.range.start.line + 1
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if item.containerName ~= nil then
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item.text = " " .. item.containerName .. item.text
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end
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table.insert(locations, item)
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end
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end
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-- local items = locations_to_items(locations)
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-- log(locations[1])
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return locations
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end
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local function extract_result(results_lsp)
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if results_lsp then
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local results = {}
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for _, server_results in pairs(results_lsp) do
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if server_results.result then
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vim.list_extend(results, server_results.result)
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end
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end
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return results
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end
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end
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function M.check_capabilities(feature, client_id)
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local clients = lsp.buf_get_clients(client_id or 0)
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local supported_client = false
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for _, client in pairs(clients) do
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supported_client = client.resolved_capabilities[feature]
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if supported_client then
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break
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end
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end
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if supported_client then
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return true
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else
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if #clients == 0 then
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log("LSP: no client attached")
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else
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trace("LSP: server does not support " .. feature)
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end
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return false
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end
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end
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function M.call_sync(method, params, opts, handler)
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params = params or {}
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opts = opts or {}
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local results_lsp, err = lsp.buf_request_sync(0, method, params,
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opts.timeout or vim.g.navtator_timeout or 1000)
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if nvim_0_6() then
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handler(err, extract_result(results_lsp), {method = method}, nil)
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else
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handler(err, method, extract_result(results_lsp), nil, nil)
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end
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end
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function M.call_async(method, params, handler)
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params = params or {}
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local callback = function(...)
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util.show(...)
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handler(...)
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end
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return lsp.buf_request(0, method, params, callback)
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-- results_lsp, canceller
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end
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local function ts_functions(uri)
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local unload_bufnr
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local ts_enabled, _ = pcall(require, "nvim-treesitter.locals")
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if not ts_enabled or not TS_analysis_enabled then
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lerr("ts not enabled")
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return nil
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end
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local ts_func = require"navigator.treesitter".buf_func
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local bufnr = vim.uri_to_bufnr(uri)
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local x = os.clock()
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trace(ts_nodes)
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local tsnodes = ts_nodes:get(uri)
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if tsnodes ~= nil then
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trace("get data from cache")
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local t = ts_nodes_time:get(uri) or 0
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local fname = vim.uri_to_fname(uri)
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local modified = vim.fn.getftime(fname)
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if modified <= t then
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trace(t, modified)
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return tsnodes
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else
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ts_nodes:delete(uri)
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ts_nodes_time:delete(uri)
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end
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end
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local unload = false
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if not api.nvim_buf_is_loaded(bufnr) then
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trace("! load buf !", uri, bufnr)
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vim.fn.bufload(bufnr)
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-- vim.api.nvim_buf_detach(bufnr) -- if user opens the buffer later, it prevents user attach event
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unload = true
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end
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local funcs = ts_func(bufnr)
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if unload then
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unload_bufnr = bufnr
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end
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ts_nodes:set(uri, funcs)
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ts_nodes_time:set(uri, os.time())
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trace(funcs, ts_nodes:get(uri))
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trace(string.format("elapsed time: %.4f\n", os.clock() - x)) -- how long it tooks
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return funcs, unload_bufnr
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end
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local function ts_definition(uri, range)
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local unload_bufnr
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local ts_enabled, _ = pcall(require, "nvim-treesitter.locals")
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if not ts_enabled or not TS_analysis_enabled then
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lerr("ts not enabled")
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return nil
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end
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local key = string.format('%s_%d_%d_%d', uri, range.start.line, range.start.character,
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range['end'].line)
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local tsnode = ts_nodes:get(key)
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local ftime = ts_nodes_time:get(key)
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local fname = vim.uri_to_fname(uri)
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local modified = vim.fn.getftime(fname)
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if tsnodes and modified <= ftime then
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log('ts def from cache')
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return tsnode
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end
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local ts_def = require"navigator.treesitter".find_definition
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local bufnr = vim.uri_to_bufnr(uri)
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local x = os.clock()
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trace(ts_nodes)
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local unload = false
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if not api.nvim_buf_is_loaded(bufnr) then
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log("! load buf !", uri, bufnr)
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vim.fn.bufload(bufnr)
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unload = true
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end
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local def_range = ts_def(range, bufnr) or {}
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if unload then
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unload_bufnr = bufnr
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end
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trace(string.format(" ts def elapsed time: %.4f\n", os.clock() - x), def_range) -- how long it takes
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ts_nodes:set(key, def_range)
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ts_nodes_time:set(key, x)
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return def_range, unload_bufnr
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end
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local function find_ts_func_by_range(funcs, range)
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if funcs == nil or range == nil then
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return nil
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end
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local result = {}
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trace(funcs, range)
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for _, value in pairs(funcs) do
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local func_range = value.node_scope
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-- note treesitter is C style
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if func_range and func_range.start.line <= range.start.line and func_range['end'].line
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>= range['end'].line then
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table.insert(result, value)
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end
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end
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return result
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end
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local function order_locations(locations)
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table.sort(locations, function(i, j)
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if i.uri == j.uri then
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if i.range and i.range.start then
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return i.range.start.line < j.range.start.line
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end
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return false
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else
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return i.uri < j.uri
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end
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end)
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return locations
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end
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local function slice_locations(locations, max_items)
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local cut = -1
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if #locations > max_items then
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local uri = locations[max_items]
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for i = max_items + 1, #locations do
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if uri ~= locations[i] and not brk then
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cut = i
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break
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end
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end
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end
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local first_part, second_part = locations, {}
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if cut > 1 and cut < #locations then
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first_part = vim.list_slice(locations, 1, cut)
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second_part = vim.list_slice(locations, cut + 1, #locations)
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end
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return first_part, second_part
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end
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local function test_locations()
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local locations = {
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{uri = '1', range = {start = {line = 1}}}, {uri = '2', range = {start = {line = 2}}},
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{uri = '2', range = {start = {line = 3}}}, {uri = '1', range = {start = {line = 3}}},
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{uri = '1', range = {start = {line = 4}}}, {uri = '3', range = {start = {line = 4}}},
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{uri = '3', range = {start = {line = 4}}}
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}
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local second_part
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order_locations(locations)
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local locations, second_part = slice_locations(locations, 3)
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log(locations, second_part)
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end
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function M.locations_to_items(locations, max_items)
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max_items = max_items or 100000 --
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if not locations or vim.tbl_isempty(locations) then
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print("list not avalible")
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return
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end
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local width = 4
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local items = {} -- lsp.util.locations_to_items(locations)
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-- items and locations may not matching
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local uri_def = {}
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order_locations(locations)
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local second_part
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locations, second_part = slice_locations(locations, max_items)
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trace(locations)
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local cut = -1
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local unload_bufnrs = {}
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for i, loc in ipairs(locations) do
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local funcs = nil
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local item = lsp.util.locations_to_items({loc})[1]
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-- log(item)
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item.range = locations[i].range or locations[i].targetRange
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item.uri = locations[i].uri or locations[i].targetUri
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if is_win then
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log(item.uri) -- file:///C:/path/to/file
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log(cwd)
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end
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-- only load top 30 file.
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local proj_file = item.uri:find(cwd) or is_win or i < 30
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local unload, def
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if TS_analysis_enabled and proj_file then
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funcs, unload = ts_functions(item.uri)
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if unload then
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table.insert(unload_bufnrs, unload)
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end
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if not uri_def[item.uri] then
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-- find def in file
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def, unload = ts_definition(item.uri, item.range)
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if def and def.start then
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uri_def[item.uri] = def
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if def.start then -- find for the 1st time
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for j = 1, #items do
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if items[j].uri == item.uri and items[j].range.start.line == def.start.line then
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items[j].definition = true
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end
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end
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end
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else
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if uri_def[item.uri] == false then
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uri_def[item.uri] = {} -- no def in file, TODO: it is tricky the definition is in another file and it is the
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-- only occurrence
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else
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uri_def[item.uri] = false -- no def in file
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end
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end
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if unload then
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table.insert(unload_bufnrs, unload)
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end
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end
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trace(uri_def[item.uri], item.range) -- set to log if need to get all in rnge
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local def = uri_def[item.uri]
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if def and def.start and item.range then
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if def.start.line == item.range.start.line then
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log("ts def in current line")
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item.definition = true
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end
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end
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end
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item.filename = assert(vim.uri_to_fname(item.uri))
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local filename = item.filename:gsub(cwd .. path_sep, path_cur, 1)
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item.display_filename = filename or item.filename
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item.call_by = find_ts_func_by_range(funcs, item.range)
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item.rpath = util.get_relative_path(cwd, item.filename)
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width = math.max(width, #item.text)
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item.symbol_name = M.get_symbol(item.text, item.range)
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item.lhs = check_lhs(item.text, item.symbol_name)
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table.insert(items, item)
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end
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trace(uri_def)
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-- defer release new open buffer
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if #unload_bufnrs > 10 then -- load too many?
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vim.defer_fn(function()
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for i, bufnr_unload in ipairs(unload_bufnrs) do
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if api.nvim_buf_is_loaded(bufnr_unload) and i > 10 then
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api.nvim_buf_delete(bufnr_unload, {unload = true})
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end
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end
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end, 100)
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end
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return items, width + 24, second_part -- TODO handle long line?
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end
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function M.apply_action(action_chosen)
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assert(action_chosen ~= nil, "action must not be nil")
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local bufnr = api.nvim_get_current_buf()
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local switch = string.format("silent b %d", bufnr)
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if action_chosen.edit or type(action_chosen.command) == "table" then
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if action_chosen.edit then
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vim.lsp.util.apply_workspace_edit(action_chosen.edit)
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end
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if type(action_chosen.command) == "table" then
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-- switch buff
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vim.cmd(switch)
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vim.lsp.buf.execute_command(action_chosen.command)
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end
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else
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vim.cmd(switch)
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vim.lsp.buf.execute_command(action_chosen)
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end
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log(action_chosen)
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end
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function M.symbol_to_items(locations)
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if not locations or vim.tbl_isempty(locations) then
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print("list not avalible")
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return
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end
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local items = {} -- lsp.util.locations_to_items(locations)
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-- items and locations may not matching
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table.sort(locations, function(i, j)
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if i.uri == j.uri then
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if i.range and i.range.start then
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return i.range.start.line < j.range.start.line
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end
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return false
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else
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return i.uri < j.uri
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end
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end)
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for i, _ in ipairs(locations) do
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local item = {} -- lsp.util.locations_to_items({loc})[1]
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item.uri = locations[i].uri
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item.range = locations[i].range
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item.filename = assert(vim.uri_to_fname(item.uri))
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local filename = item.filename:gsub(cwd .. path_sep, path_cur, 1)
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item.display_filename = filename or item.filename
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item.rpath = util.get_relative_path(cwd, item.filename)
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table.insert(items, item)
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end
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return items
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end
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return M
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