bug fix for #166 not all items shown in listview. Also add flag allow control when the ts info will be added

update readme

README.md

@@ -262,6 +262,8 @@ require'navigator'.setup({
   -- this kepmap gK will override "gD" mapping function declaration()  in default kepmap
   -- please check mapping.lua for all keymaps
   treesitter_analysis = true, -- treesitter variable context
+  treesitter_analysis_max_num = 100, -- how many items to run treesitter analysis
+  -- this value prevent slow in large projects, e.g. found 100000 reference in a project
   transparency = 50, -- 0 ~ 100 blur the main window, 100: fully transparent, 0: opaque,  set to nil or 100 to disable it
 
   lsp_signature_help = true, -- if you would like to hook ray-x/lsp_signature plugin in navigator

lua/navigator.lua

@@ -28,6 +28,7 @@ _NgConfigValues = {
   end,
   ts_fold = false,
   treesitter_analysis = true, -- treesitter variable context
+  treesitter_analysis_max_num = 100, -- how many items to run treesitter analysis
   transparency = 50, -- 0 ~ 100 blur the main window, 100: fully transparent, 0: opaque,  set to nil to disable it
   lsp_signature_help = true, -- if you would like to hook ray-x/lsp_signature plugin in navigator
   -- setup here. if it is nil, navigator will not init signature help

lua/navigator/lspwrapper.lua

@@ -162,7 +162,7 @@ function M.call_async(method, params, handler, bufnr)
   -- results_lsp, canceller
 end
 
-local function ts_functions(uri)
+local function ts_functions(uri, optional)
   local unload_bufnr
   local ts_enabled, _ = pcall(require, 'nvim-treesitter.locals')
   if not ts_enabled or not TS_analysis_enabled then
@@ -187,6 +187,9 @@ local function ts_functions(uri)
       ts_nodes_time:delete(uri)
     end
   end
+  if optional then
+    return
+  end
   local unload = false
   if not api.nvim_buf_is_loaded(bufnr) then
     trace('! load buf !', uri, bufnr)
@@ -206,7 +209,7 @@ local function ts_functions(uri)
   return funcs, unload_bufnr
 end
 
-local function ts_definition(uri, range)
+local function ts_definition(uri, range, optional)
   local unload_bufnr
   local ts_enabled, _ = pcall(require, 'nvim-treesitter.locals')
   if not ts_enabled or not TS_analysis_enabled then
@@ -224,6 +227,9 @@ local function ts_definition(uri, range)
     log('ts def from cache')
     return tsnodes
   end
+  if optional then
+    return
+  end
   local ts_def = require('navigator.treesitter').find_definition
   local bufnr = vim.uri_to_bufnr(uri)
   local x = os.clock()
@@ -314,6 +320,13 @@ end
 --   log(locations, second_part)
 -- end
 
+local function ts_optional(i, unload_buf_size)
+  if unload_buf_size then
+    return unload_buf_size > _NgConfigValues.treesitter_analysis_max_num
+  end
+  return i > _NgConfigValues.treesitter_analysis_max_num
+end
+
 function M.locations_to_items(locations, ctx)
   ctx = ctx or {}
   local max_items = ctx.max_items or 100000 --
@@ -353,14 +366,14 @@ function M.locations_to_items(locations, ctx)
     local proj_file = item.uri:find(cwd) or is_win or i < 30
     local unload, def
     if TS_analysis_enabled and proj_file then
-      funcs, unload = ts_functions(item.uri)
+      funcs, unload = ts_functions(item.uri, ts_optional(i, #unload_bufnrs))
 
       if unload then
         table.insert(unload_bufnrs, unload)
       end
       if not uri_def[item.uri] then
         -- find def in file
-        def, unload = ts_definition(item.uri, item.range)
+        def, unload = ts_definition(item.uri, item.range, ts_optional(i, #unload_bufnrs))
         if def and def.start then
           uri_def[item.uri] = def
           if def.start then -- find for the 1st time
@@ -421,7 +434,7 @@ function M.locations_to_items(locations, ctx)
   vim.cmd([[set eventignore-=FileType]])
 
   trace(items)
-  return items, width + 24, second_part -- TODO handle long line?
+  return items, width + 30, second_part -- TODO handle long line?
 end
 
 function M.symbol_to_items(locations)

lua/navigator/reference.lua

@@ -14,9 +14,9 @@ local ref_view = function(err, locations, ctx, cfg)
   local truncate = cfg and cfg.truncate or 20
   local opts = {}
   trace('arg1', err, ctx, locations)
-  trace(locations)
+  log(#locations, locations[1])
   if ctx.combine then
-    -- wait for both request
+    -- wait for both reference and definition LSP request
     if ctx.results == nil then
       return
     end
@@ -29,7 +29,7 @@ local ref_view = function(err, locations, ctx, cfg)
     if _NgConfigValues.debug then
       local logctx = { results = {} }
       logctx = vim.tbl_extend('keep', logctx, ctx)
-      log(logctx, 'result size', #ctx.results, 'item', ctx.results[1])
+      log(logctx, 'result size', 'def', #ctx.results.definitions, 'ref', #ctx.results.references)
     end
     if definitions.error and references.error then
       vim.notify('lsp ref callback error' .. vim.inspect(ctx.result), vim.lsp.log_levels.WARN)
@@ -115,11 +115,13 @@ local ref_view = function(err, locations, ctx, cfg)
     if vim.tbl_isempty(second_part) then
       return
     end
+    ctx.max_items = #second_part
     local items2 = locations_to_items(second_part, ctx)
 
     vim.list_extend(thread_items, items2)
 
     local data = require('navigator.render').prepare_for_render(thread_items, opts)
+    log('thread data size', #data)
     listview.ctrl:on_data_update(data)
     if nv_ref_async then
       vim.loop.close(nv_ref_async)

lua/navigator/render.lua

@@ -179,12 +179,13 @@ function M.prepare_for_render(items, opts)
     if #ts_report > 1 then
       space, trim = get_pads(win_width, item.text, ts_report)
       if trim then
-        item.text = string.sub(item.text, 1, opts.width - 20) .. ''
-        local _, j = string.gsub(item.text, [["]], "")
+        local ts_r = ts_report or ''
+        item.text = string.sub(item.text, 1, math.max(1, opts.width - math.max(20, #ts_r)))
+        local _, j = string.gsub(item.text, [["]], '')
         if j % 2 == 1 then
           item.text = item.text .. '"'
         end
-        _, j = string.gsub(item.text, [[']], "")
+        _, j = string.gsub(item.text, [[']], '')
         if j % 2 == 1 then
           item.text = item.text .. [[']]
         end

lua/navigator/treesitter.lua

@@ -448,7 +448,7 @@ local function get_all_nodes(bufnr, filter, summary)
         -- hack for lua and maybe other language aswell
         local parent = tsdata:parent()
         if parent ~= nil then
-          log(parent:type(), vim.treesitter.get_node_text(parent, bufnr), item.node_text, item.type)
+          log(parent:type(), vim.treesitter.get_node_text(parent, bufnr):sub(1, 30), item.node_text, item.type)
         end
         if
           parent ~= nil