GDScript: Fix access non-static members in static context

modules/gdscript/tests/scripts/analyzer/errors/static_func_access_non_static.gd

@@ -0,0 +1,10 @@
+# GH-91403
+
+static func static_func():
+	print(non_static_func)
+
+func non_static_func():
+	pass
+
+func test():
+	pass

modules/gdscript/tests/scripts/analyzer/errors/static_func_access_non_static.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot access non-static function "non_static_func" from the static function "static_func()".

modules/gdscript/tests/scripts/analyzer/errors/static_func_access_non_static_in_lambda_param.gd

@@ -0,0 +1,15 @@
+# GH-91403
+
+func non_static_func():
+	pass
+
+static func static_func(
+		f := func ():
+			var g := func ():
+				print(non_static_func)
+			g.call()
+):
+	f.call()
+
+func test():
+	pass

modules/gdscript/tests/scripts/analyzer/errors/static_func_access_non_static_in_lambda_param.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot access non-static function "non_static_func" from the static function "static_func()".

modules/gdscript/tests/scripts/analyzer/errors/static_func_call_non_static.out

@@ -1,2 +1,2 @@
 GDTEST_ANALYZER_ERROR
-Cannot call non-static function "non_static_func()" from static function "static_func()".
+Cannot call non-static function "non_static_func()" from the static function "static_func()".

modules/gdscript/tests/scripts/analyzer/errors/static_func_call_non_static_in_lambda.out

@@ -1,2 +1,2 @@
 GDTEST_ANALYZER_ERROR
-Cannot call non-static function "non_static_func()" from static function "static_func()".
+Cannot call non-static function "non_static_func()" from the static function "static_func()".

modules/gdscript/tests/scripts/analyzer/errors/static_func_call_non_static_in_lambda_param.out

@@ -1,2 +1,2 @@
 GDTEST_ANALYZER_ERROR
-Cannot call non-static function "non_static_func()" from static function "static_func()".
+Cannot call non-static function "non_static_func()" from the static function "static_func()".

modules/gdscript/tests/scripts/analyzer/errors/static_var_init_access_non_static_in_lambda.gd

@@ -0,0 +1,14 @@
+# GH-91403
+
+func non_static_func():
+	pass
+
+static var static_var = func ():
+	var f := func ():
+		var g := func ():
+			print(non_static_func)
+		g.call()
+	f.call()
+
+func test():
+	pass

modules/gdscript/tests/scripts/analyzer/errors/static_var_init_access_non_static_in_lambda.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot access non-static function "non_static_func" from a static variable initializer.

modules/gdscript/tests/scripts/analyzer/errors/static_var_init_access_non_static_in_lambda_setter.gd

@@ -0,0 +1,15 @@
+# GH-91403
+
+func non_static_func():
+	pass
+
+static var static_var:
+	set(_value):
+		var f := func ():
+			var g := func ():
+				print(non_static_func)
+			g.call()
+		f.call()
+
+func test():
+	pass

modules/gdscript/tests/scripts/analyzer/errors/static_var_init_access_non_static_in_lambda_setter.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot access non-static function "non_static_func" from the static function "@static_var_setter()".

modules/gdscript/tests/scripts/analyzer/errors/static_var_init_call_non_static_in_lambda_setter.out

@@ -1,2 +1,2 @@
 GDTEST_ANALYZER_ERROR
-Cannot call non-static function "non_static_func()" from static function "@static_var_setter()".
+Cannot call non-static function "non_static_func()" from the static function "@static_var_setter()".

modules/gdscript/tests/scripts/analyzer/errors/static_var_init_non_static_access.gd

@@ -0,0 +1,11 @@
+# GH-91403
+
+@static_unload
+
+func non_static():
+	return "non static"
+
+static var static_var = Callable(non_static)
+
+func test():
+	print("does not run")

modules/gdscript/tests/scripts/analyzer/errors/static_var_init_non_static_access.out

@@ -0,0 +1,2 @@
+GDTEST_ANALYZER_ERROR
+Cannot access non-static function "non_static" from a static variable initializer.

modules/gdscript/tests/scripts/analyzer/features/static_non_static_access.gd

@@ -0,0 +1,75 @@
+@static_unload
+
+static var static_var
+var non_static_var
+
+signal my_signal()
+
+static func static_func():
+	pass
+
+func non_static_func():
+	pass
+
+static var test_static_var_lambda = func ():
+	static_func()
+	print(static_func)
+	static_var = 1
+	print(static_var)
+
+var test_non_static_var_lambda = func ():
+	static_func()
+	print(static_func)
+	static_var = 1
+	print(static_var)
+
+	non_static_func()
+	print(non_static_func)
+	non_static_var = 1
+	print(non_static_var)
+	my_signal.emit()
+	print(my_signal)
+
+static var test_static_var_setter:
+	set(_value):
+		static_func()
+		print(static_func)
+		static_var = 1
+		print(static_var)
+
+var test_non_static_var_setter:
+	set(_value):
+		static_func()
+		print(static_func)
+		static_var = 1
+		print(static_var)
+
+		non_static_func()
+		print(non_static_func)
+		non_static_var = 1
+		print(non_static_var)
+		my_signal.emit()
+		print(my_signal)
+
+static func test_static_func():
+	static_func()
+	print(static_func)
+	static_var = 1
+	print(static_var)
+
+func test_non_static_func():
+	static_func()
+	print(static_func)
+	static_var = 1
+	print(static_var)
+
+	non_static_func()
+	print(non_static_func)
+	non_static_var = 1
+	print(non_static_var)
+	my_signal.emit()
+	print(my_signal)
+
+func test():
+	test_static_var_lambda = null
+	test_non_static_var_lambda = null

modules/gdscript/tests/scripts/analyzer/features/static_non_static_access.out

@@ -0,0 +1 @@
+GDTEST_OK