fix: type fixes

Type fixes caught by emmylua

src/gen/gen_eval_files.lua

@@ -32,6 +32,7 @@ local LUA_API_RETURN_OVERRIDES = {
   nvim_get_command = 'table<string,vim.api.keyset.command_info>',
   nvim_get_keymap = 'vim.api.keyset.get_keymap[]',
   nvim_get_mark = 'vim.api.keyset.get_mark',
+  nvim_eval_statusline = 'vim.api.keyset.eval_statusline_ret',
 
   -- Can also return table<string,vim.api.keyset.get_hl_info>, however we need to
   -- pick one to get some benefit.
@@ -45,6 +46,7 @@ local LUA_API_RETURN_OVERRIDES = {
   nvim_get_option_info2 = 'vim.api.keyset.get_option_info',
   nvim_parse_cmd = 'vim.api.keyset.parse_cmd',
   nvim_win_get_config = 'vim.api.keyset.win_config',
+  nvim_win_text_height = 'vim.api.keyset.win_text_height_ret',
 }
 
 local LUA_API_KEYSET_OVERRIDES = {

src/gen/luacats_parser.lua

@@ -147,6 +147,9 @@ local function process_doc_line(line, state)
     cur_obj.fields = {}
   elseif kind == 'field' then
     --- @cast parsed nvim.luacats.Field
+    if parsed.desc == '' then
+      parsed.desc = nil
+    end
     parsed.desc = parsed.desc or state.doc_lines and table.concat(state.doc_lines, '\n') or nil
     if parsed.desc then
       parsed.desc = vim.trim(parsed.desc)

src/nvim/eval.lua

@@ -3970,6 +3970,7 @@ M.funcs = {
     ]=],
     name = 'getcurpos',
     params = { { 'winid', 'integer' } },
+    returns = '[integer, integer, integer, integer, integer]',
     signature = 'getcurpos([{winid}])',
   },
   getcursorcharpos = {
@@ -4313,6 +4314,7 @@ M.funcs = {
     ]=],
     name = 'getmatches',
     params = { { 'win', 'integer' } },
+    returns = 'vim.fn.getmatches.ret.item[]',
     signature = 'getmatches([{win}])',
   },
   getmousepos = {
@@ -4428,7 +4430,7 @@ M.funcs = {
     ]=],
     name = 'getpos',
     params = { { 'expr', 'string' } },
-    returns = 'integer[]',
+    returns = '[integer, integer, integer, integer]',
     signature = 'getpos({expr})',
   },
   getqflist = {
@@ -4672,7 +4674,11 @@ M.funcs = {
       <
     ]=],
     name = 'getregion',
-    params = { { 'pos1', 'table' }, { 'pos2', 'table' }, { 'opts', 'table' } },
+    params = {
+      { 'pos1', '[integer, integer, integer, integer]' },
+      { 'pos2', '[integer, integer, integer, integer]' },
+      { 'opts', '{type?:string, exclusive?:boolean}' },
+    },
     returns = 'string[]',
     signature = 'getregion({pos1}, {pos2} [, {opts}])',
   },
@@ -4712,8 +4718,12 @@ M.funcs = {
       			(default: |FALSE|)
     ]=],
     name = 'getregionpos',
-    params = { { 'pos1', 'table' }, { 'pos2', 'table' }, { 'opts', 'table' } },
-    returns = 'integer[][][]',
+    params = {
+      { 'pos1', '[integer, integer, integer, integer]' },
+      { 'pos2', '[integer, integer, integer, integer]' },
+      { 'opts', '{type?:string, exclusive?:boolean, eol?:boolean}' },
+    },
+    returns = '[ [integer, integer, integer, integer], [integer, integer, integer, integer] ][]',
     signature = 'getregionpos({pos1}, {pos2} [, {opts}])',
   },
   getregtype = {
@@ -8648,6 +8658,7 @@ M.funcs = {
     ]=],
     name = 'readfile',
     params = { { 'fname', 'string' }, { 'type', 'string' }, { 'max', 'integer' } },
+    returns = 'string[]',
     signature = 'readfile({fname} [, {type} [, {max}]])',
   },
   reduce = {
@@ -9998,7 +10009,7 @@ M.funcs = {
 
     ]=],
     name = 'setmatches',
-    params = { { 'list', 'any' }, { 'win', 'integer' } },
+    params = { { 'list', 'vim.fn.getmatches.ret.item[]' }, { 'win', 'integer' } },
     signature = 'setmatches({list} [, {win}])',
   },
   setpos = {
@@ -12924,6 +12935,7 @@ M.funcs = {
     ]=],
     name = 'virtcol',
     params = { { 'expr', 'string|any[]' }, { 'list', 'boolean' }, { 'winid', 'integer' } },
+    returns = 'integer|[integer, integer]',
     signature = 'virtcol({expr} [, {list} [, {winid}]])',
   },
   virtcol2col = {