GDScript: invalidate GDScriptParserRef when reloading

1 files changed, 12 insertions, 4 deletions

diff --git a/modules/gdscript/gdscript.cpp b/modules/gdscript/gdscript.cpp
index 8e74de4242..921ed0b416 100644
--- a/modules/gdscript/gdscript.cpp
+++ b/modules/gdscript/gdscript.cpp
@@ -739,10 +739,18 @@ Error GDScript::reload(bool p_keep_state) {
 		if (source_path.is_empty()) {
 			source_path = get_path();
 		}
-		Ref<GDScript> cached_script = GDScriptCache::get_cached_script(source_path);
-		if (!source_path.is_empty() && cached_script.is_null()) {
-			MutexLock lock(GDScriptCache::singleton->mutex);
-			GDScriptCache::singleton->shallow_gdscript_cache[source_path] = Ref<GDScript>(this);
+		if (!source_path.is_empty()) {
+			if (GDScriptCache::get_cached_script(source_path).is_null()) {
+				MutexLock lock(GDScriptCache::singleton->mutex);
+				GDScriptCache::singleton->shallow_gdscript_cache[source_path] = Ref<GDScript>(this);
+			}
+			if (GDScriptCache::has_parser(source_path)) {
+				Error err = OK;
+				Ref<GDScriptParserRef> parser_ref = GDScriptCache::get_parser(source_path, GDScriptParserRef::EMPTY, err);
+				if (parser_ref.is_valid() && parser_ref->get_source_hash() != source.hash()) {
+					GDScriptCache::remove_parser(source_path);
+				}
+			}
 		}
 	}