[async] ax__msg_name()

src/concurrent/msg.enums

@@ -0,0 +1,4 @@
+[msg (ax_msg_shutdown_TAG     "shutdown")
+     (ax_msg_load_font_TAG    "load_font")
+     (ax_msg_theme_loaded_TAG "theme_loaded")
+     (ax_msg_make_window_TAG  "make_window")]

src/concurrent/msg.h

@@ -1,11 +1,16 @@
 #pragma once
 
+#include <stdint.h>
+
 struct msgq;
+struct ax_window;
+struct ax_theme;
 
 enum {
     ax_msg_shutdown_TAG,
     ax_msg_load_font_TAG,
     ax_msg_theme_loaded_TAG,
+    ax_msg_make_window_TAG,
 };
 
 struct ax_msg_shutdown {
@@ -19,3 +24,26 @@ struct ax_msg_load_font {
 struct ax_msg_theme_loaded {
     struct ax_theme* theme;
 };
+
+struct ax_msg_make_window {
+    struct ax_window* dst_win;
+    const char* title;
+    uint64_t width;
+    uint64_t height;
+    int flags;
+};
+
+static inline const char* ax__msg_name(int val)
+{
+#ifdef IMPOSSIBLE
+#undef IMPOSSIBLE
+#endif
+
+#define IMPOSSIBLE(_) return "???";
+    const char* str;
+#include "../../_build/msg.printer.inc"
+    return str;
+
+#undef IMPOSSIBLE
+#define IMPOSSIBLE(x) IMPOSSIBLE_(x)
+}

src/util.h

@@ -18,5 +18,8 @@
 #define UNIMPLEMENTED()                         \
     ASSERT(0, "not implemented")
 
-#define IMPOSSIBLE(what)                        \
+#define IMPOSSIBLE_(what) \
     ASSERT(0, "unreachable: " what)
+
+// hard to explain why this is necessary ...
+#define IMPOSSIBLE(x) IMPOSSIBLE_(x)