Fix shadowed global identifier warning duplication

1 files changed, 19 insertions, 1 deletions

diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp
index 1ecde53dd0..f116f430e6 100644
--- a/modules/gdscript/gdscript_analyzer.cpp
+++ b/modules/gdscript/gdscript_analyzer.cpp
@@ -3691,9 +3691,27 @@ bool GDScriptAnalyzer::validate_call_arg(const List<GDScriptParser::DataType> &p
 bool GDScriptAnalyzer::is_shadowing(GDScriptParser::IdentifierNode *p_local, const String &p_context) {
 	const StringName &name = p_local->name;
 	GDScriptParser::DataType base = parser->current_class->get_datatype();
-
 	GDScriptParser::ClassNode *base_class = base.class_type;
 
+	{
+		List<MethodInfo> gdscript_funcs;
+		GDScriptLanguage::get_singleton()->get_public_functions(&gdscript_funcs);
+
+		for (MethodInfo &info : gdscript_funcs) {
+			if (info.name == name) {
+				parser->push_warning(p_local, GDScriptWarning::SHADOWED_GLOBAL_IDENTIFIER, p_context, name, "built-in function");
+				return true;
+			}
+		}
+		if (Variant::has_utility_function(name)) {
+			parser->push_warning(p_local, GDScriptWarning::SHADOWED_GLOBAL_IDENTIFIER, p_context, name, "built-in function");
+			return true;
+		} else if (ClassDB::class_exists(name)) {
+			parser->push_warning(p_local, GDScriptWarning::SHADOWED_GLOBAL_IDENTIFIER, p_context, name, "global class");
+			return true;
+		}
+	}
+
 	while (base_class != nullptr) {
 		if (base_class->has_member(name)) {
 			parser->push_warning(p_local, GDScriptWarning::SHADOWED_VARIABLE, p_context, p_local->name, base_class->get_member(name).get_type_name(), itos(base_class->get_member(name).get_line()));