refactor: iwyu #31637

Result of `make iwyu` (after some "fixups").

src/nvim/lua/api_wrappers.c

@@ -1,19 +1,19 @@
-#include <lauxlib.h>
-#include <lua.h>
-#include <lualib.h>
+#include <lauxlib.h>  // IWYU pragma: keep
+#include <lua.h>  // IWYU pragma: keep
+#include <lualib.h>  // IWYU pragma: keep
 
-#include "nvim/api/private/defs.h"
-#include "nvim/api/private/dispatch.h"
-#include "nvim/api/private/helpers.h"
-#include "nvim/errors.h"
-#include "nvim/ex_docmd.h"
-#include "nvim/ex_getln.h"
-#include "nvim/func_attr.h"
-#include "nvim/globals.h"
-#include "nvim/lua/converter.h"
-#include "nvim/lua/executor.h"
-#include "nvim/memory.h"
+#include "nvim/api/private/defs.h"  // IWYU pragma: keep
+#include "nvim/api/private/dispatch.h"  // IWYU pragma: keep
+#include "nvim/api/private/helpers.h"  // IWYU pragma: keep
+#include "nvim/errors.h"  // IWYU pragma: keep
+#include "nvim/ex_docmd.h"  // IWYU pragma: keep
+#include "nvim/ex_getln.h"  // IWYU pragma: keep
+#include "nvim/func_attr.h"  // IWYU pragma: keep
+#include "nvim/globals.h"  // IWYU pragma: keep
+#include "nvim/lua/converter.h"  // IWYU pragma: keep
+#include "nvim/lua/executor.h"  // IWYU pragma: keep
+#include "nvim/memory.h"  // IWYU pragma: keep
 
 #ifdef INCLUDE_GENERATED_DECLARATIONS
-# include "lua_api_c_bindings.generated.h"
+# include "lua_api_c_bindings.generated.h"  // IWYU pragma: keep
 #endif

src/nvim/lua/converter.c

@@ -22,6 +22,7 @@
 #include "nvim/lua/executor.h"
 #include "nvim/macros_defs.h"
 #include "nvim/memory.h"
+#include "nvim/memory_defs.h"
 #include "nvim/message.h"
 #include "nvim/types_defs.h"
 #include "nvim/vim_defs.h"

src/nvim/lua/executor.c

@@ -23,7 +23,6 @@
 #include "nvim/cursor.h"
 #include "nvim/drawscreen.h"
 #include "nvim/errors.h"
-#include "nvim/eval.h"
 #include "nvim/eval/funcs.h"
 #include "nvim/eval/typval.h"
 #include "nvim/eval/typval_defs.h"
@@ -47,10 +46,12 @@
 #include "nvim/lua/treesitter.h"
 #include "nvim/macros_defs.h"
 #include "nvim/main.h"
+#include "nvim/mbyte_defs.h"
 #include "nvim/memline.h"
 #include "nvim/memory.h"
 #include "nvim/memory_defs.h"
 #include "nvim/message.h"
+#include "nvim/message_defs.h"
 #include "nvim/msgpack_rpc/channel.h"
 #include "nvim/option_vars.h"
 #include "nvim/os/fileio.h"

src/nvim/lua/executor.h

@@ -4,10 +4,10 @@
 #include <lua.h>
 #include <stdbool.h>
 
+#include "nvim/api/private/defs.h"
 #include "nvim/api/private/helpers.h"
 #include "nvim/cmdexpand_defs.h"  // IWYU pragma: keep
 #include "nvim/ex_cmds_defs.h"  // IWYU pragma: keep
-#include "nvim/func_attr.h"
 #include "nvim/macros_defs.h"
 #include "nvim/types_defs.h"
 #include "nvim/usercmd.h"  // IWYU pragma: keep

src/nvim/lua/secure.c

@@ -2,11 +2,11 @@
 #include <stdbool.h>
 #include <string.h>
 
+#include "nvim/ascii_defs.h"
 #include "nvim/charset.h"
 #include "nvim/errors.h"
 #include "nvim/ex_cmds_defs.h"
 #include "nvim/gettext_defs.h"
-#include "nvim/globals.h"
 #include "nvim/lua/executor.h"
 #include "nvim/lua/secure.h"
 #include "nvim/memory.h"

src/nvim/lua/spell.c

@@ -16,7 +16,7 @@
 #include "nvim/spell.h"
 
 #ifdef INCLUDE_GENERATED_DECLARATIONS
-# include "lua/spell.c.generated.h"
+# include "lua/spell.c.generated.h"  // IWYU pragma: keep
 #endif
 
 int nlua_spell_check(lua_State *lstate)

src/nvim/lua/stdlib.c

@@ -18,11 +18,13 @@
 #include "nvim/api/private/helpers.h"
 #include "nvim/ascii_defs.h"
 #include "nvim/autocmd.h"
+#include "nvim/autocmd_defs.h"
 #include "nvim/buffer_defs.h"
 #include "nvim/eval/typval.h"
 #include "nvim/eval/typval_defs.h"
 #include "nvim/eval/vars.h"
 #include "nvim/eval/window.h"
+#include "nvim/ex_cmds_defs.h"
 #include "nvim/ex_docmd.h"
 #include "nvim/ex_eval.h"
 #include "nvim/fold.h"

src/nvim/lua/treesitter.c

@@ -19,8 +19,8 @@
 # include <wasm.h>
 #endif
 
-#include "klib/kvec.h"
 #include "nvim/api/private/helpers.h"
+#include "nvim/ascii_defs.h"
 #include "nvim/buffer_defs.h"
 #include "nvim/globals.h"
 #include "nvim/lua/treesitter.h"
@@ -28,7 +28,6 @@
 #include "nvim/map_defs.h"
 #include "nvim/memline.h"
 #include "nvim/memory.h"
-#include "nvim/os/fs.h"
 #include "nvim/pos_defs.h"
 #include "nvim/strings.h"
 #include "nvim/types_defs.h"

src/nvim/lua/xdiff.c

@@ -1,4 +1,5 @@
 #include <lauxlib.h>
+#include <limits.h>
 #include <lua.h>
 #include <stdbool.h>
 #include <stdint.h>