Fix get_file_list not returning all generated files.

Adds a CI static check for it.

misc/scripts/check_get_file_list.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+
+import os, sys
+
+from pathlib import Path
+
+sys.path.insert(1, os.path.join(os.path.dirname(__file__), "..", ".."))
+
+from binding_generator import get_file_list, generate_bindings
+
+api_filepath = "godot-headers/extension_api.json"
+bits = "64"
+double = "float"
+output_dir = "self_test"
+
+generate_bindings(api_filepath, use_template_get_node=False, bits=bits, double=double, output_dir=output_dir)
+flist = get_file_list(api_filepath, output_dir, headers=True, sources=True)
+
+p = Path(output_dir) / "gen"
+allfiles = [str(f.as_posix()) for f in p.glob("**/*.*")]
+missing = list(filter((lambda f: f not in flist), allfiles))
+extras = list(filter((lambda f: f not in allfiles), flist))
+if len(missing) > 0 or len(extras) > 0:
+    print("Error!")
+    for f in missing:
+        print("MISSING: " + str(f))
+    for f in extras:
+        print("EXTRA: " + str(f))
+    sys.exit(1)
+else:
+    print("OK!")