Fixes GDScript define nested dictionary and array as constants #50285

modules/gdscript/tests/scripts/parser/features/arrays_dictionaries_nested_const.gd

@@ -0,0 +1,58 @@
+# https://github.com/godotengine/godot/issues/50285
+
+@warning_ignore(unused_local_constant)
+func test():
+	const CONST_INNER_DICTIONARY = { "key": true }
+	const CONST_NESTED_DICTIONARY_OLD_WORKAROUND = {
+		"key1": "value1",
+		"key2": CONST_INNER_DICTIONARY
+	}
+	# All of these should be valid
+	const CONST_NESTED_DICTIONARY = {
+		"key1": "value1",
+		"key2": { "key": true }
+	}
+
+
+	const CONST_DICTIONARY_WITH_ARRAY = {
+		"key1": [1,2,3,4]
+	}
+
+	const CONST_NESTED_ARRAY = [[],[2],[1,2,3]]
+	const CONST_ARRAY_WITH_DICT = [{"key1": 3}, {"key2": 5}]
+
+	const THREE_DIMENSIONAL_ARRAY = [[[],[],[]],[[],[],[]],[[],[],[]]]
+	const MANY_NESTED_DICT = {
+		"key1": {
+			"key11": {
+				"key111": {},
+				"key112": {},
+			},
+			"key12": {
+				"key121": {},
+				"key122": {},
+			},
+		},
+		"key2": {
+			"key21": {
+				"key211": {},
+				"key212": {},
+			},
+			"key22": {
+				"key221": {},
+				"key222": {},
+			},
+		}
+	}
+
+
+	const CONST_ARRAY_ACCESS = [1,2,3][0]
+	const CONST_DICT_ACCESS = {"key1": 5}["key1"]
+
+	const CONST_ARRAY_NESTED_ACCESS = [[1,2,3],[4,5,6],[8,9,10]][0][1]
+	const CONST_DICT_NESTED_ACCESS = {"key1": {"key2": 1}}["key1"]["key2"]
+
+	print(CONST_ARRAY_ACCESS)
+	print(CONST_DICT_ACCESS)
+	print(CONST_ARRAY_NESTED_ACCESS)
+	print(CONST_DICT_NESTED_ACCESS)

modules/gdscript/tests/scripts/parser/features/arrays_dictionaries_nested_const.out

@@ -0,0 +1,5 @@
+GDTEST_OK
+1
+5
+2
+1