refactor: fix IWYU mapping file and use IWYU (#21802)

Also add the EXITFREE definition to main_lib rather than the nvim target, as the header generation needs the EXITFREE flag to work properly.

5 files changed, 14 insertions, 0 deletions

diff --git a/src/nvim/eval/buffer.c b/src/nvim/eval/buffer.c
index 72eb0f8d67..e8eca3f854 100644
--- a/src/nvim/eval/buffer.c
+++ b/src/nvim/eval/buffer.c
@@ -9,6 +9,7 @@
 #include "nvim/ascii.h"
 #include "nvim/autocmd.h"
 #include "nvim/buffer.h"
+#include "nvim/buffer_defs.h"
 #include "nvim/change.h"
 #include "nvim/cursor.h"
 #include "nvim/eval.h"
diff --git a/src/nvim/eval/encode.h b/src/nvim/eval/encode.h
index e66dab1cff..41e7614fc0 100644
--- a/src/nvim/eval/encode.h
+++ b/src/nvim/eval/encode.h
@@ -4,6 +4,7 @@
 #include <msgpack.h>
 #include <msgpack/pack.h>
 #include <stddef.h>
+#include <string.h>
 
 #include "nvim/eval.h"
 #include "nvim/eval/typval.h"
diff --git a/src/nvim/eval/userfunc.c b/src/nvim/eval/userfunc.c
index c70d56cd25..1a3fd13fe3 100644
--- a/src/nvim/eval/userfunc.c
+++ b/src/nvim/eval/userfunc.c
@@ -45,6 +45,7 @@
 #include "nvim/runtime.h"
 #include "nvim/search.h"
 #include "nvim/strings.h"
+#include "nvim/types.h"
 #include "nvim/ui.h"
 #include "nvim/vim.h"
 
diff --git a/src/nvim/eval/window.c b/src/nvim/eval/window.c
index 4bcbc13534..b1e1669826 100644
--- a/src/nvim/eval/window.c
+++ b/src/nvim/eval/window.c
@@ -12,6 +12,7 @@
 #include "nvim/ascii.h"
 #include "nvim/autocmd.h"
 #include "nvim/buffer.h"
+#include "nvim/buffer_defs.h"
 #include "nvim/cursor.h"
 #include "nvim/eval/funcs.h"
 #include "nvim/eval/typval.h"
diff --git a/src/nvim/eval/window.h b/src/nvim/eval/window.h
index 682a794113..995f0a55a9 100644
--- a/src/nvim/eval/window.h
+++ b/src/nvim/eval/window.h
@@ -2,9 +2,19 @@
 #define NVIM_EVAL_WINDOW_H
 
 #include <stdbool.h>
+#include <string.h>
 
+#include "nvim/buffer.h"
 #include "nvim/buffer_defs.h"
+#include "nvim/cursor.h"
 #include "nvim/eval/typval_defs.h"
+#include "nvim/globals.h"
+#include "nvim/mark.h"
+#include "nvim/option_defs.h"
+#include "nvim/os/os.h"
+#include "nvim/pos.h"
+#include "nvim/vim.h"
+#include "nvim/window.h"
 
 /// Structure used by switch_win() to pass values to restore_win()
 typedef struct {