Implement a way to dump the gdnative_interface.h file from the executable

2 files changed, 53 insertions, 1 deletions

diff --git a/core/extension/SCsub b/core/extension/SCsub
index 23727c1b76..a8f68a1533 100644
--- a/core/extension/SCsub
+++ b/core/extension/SCsub
@@ -3,10 +3,15 @@
 Import("env")
 
 import make_wrappers
+import make_interface_dumper
 from platform_methods import run_in_subprocess
 
 env.CommandNoCache(["ext_wrappers.gen.inc"], "make_wrappers.py", run_in_subprocess(make_wrappers.run))
-
+env.CommandNoCache(
+    "gdnative_interface_dump.gen.h",
+    ["gdnative_interface.h", "make_interface_dumper.py"],
+    run_in_subprocess(make_interface_dumper.run),
+)
 
 env_extension = env.Clone()
 
diff --git a/core/extension/make_interface_dumper.py b/core/extension/make_interface_dumper.py
new file mode 100644
index 0000000000..cc85c728d5
--- /dev/null
+++ b/core/extension/make_interface_dumper.py
@@ -0,0 +1,47 @@
+def run(target, source, env):
+    src = source[0]
+    dst = target[0]
+    f = open(src, "r", encoding="utf-8")
+    g = open(dst, "w", encoding="utf-8")
+
+    g.write(
+        """/* THIS FILE IS GENERATED DO NOT EDIT */
+#ifndef GDNATIVE_INTERFACE_DUMP_H
+#define GDNATIVE_INTERFACE_DUMP_H
+
+#ifdef TOOLS_ENABLED
+
+#include "core/io/file_access.h"
+#include "core/string/ustring.h"
+
+class GDNativeInterfaceDump {
+	private:
+        static constexpr char const *gdnative_interface_dump ="""
+    )
+    for line in f:
+        g.write('"' + line.rstrip().replace('"', '\\"') + '\\n"\n')
+    g.write(";\n")
+
+    g.write(
+        """
+    public:
+        static void generate_gdnative_interface_file(const String &p_path) {
+            Ref<FileAccess> fa = FileAccess::open(p_path, FileAccess::WRITE);
+            CharString cs(gdnative_interface_dump);
+            fa->store_buffer((const uint8_t *)cs.ptr(), cs.length());
+        };
+};
+
+#endif // TOOLS_ENABLED
+
+#endif // GDNATIVE_INTERFACE_DUMP_H
+"""
+    )
+    g.close()
+    f.close()
+
+
+if __name__ == "__main__":
+    from platform_methods import subprocess_main
+
+    subprocess_main(globals())