diff options
5 files changed, 56 insertions, 6 deletions
diff --git a/modules/gdscript/gdscript_vm.cpp b/modules/gdscript/gdscript_vm.cpp index 7a11ea52f0..4db41c4dfa 100644 --- a/modules/gdscript/gdscript_vm.cpp +++ b/modules/gdscript/gdscript_vm.cpp @@ -1244,7 +1244,17 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a "' to a variable of type '" + nc->get_name() + "'."; OPCODE_BREAK; } - Object *src_obj = src->operator Object *(); + + bool was_freed = false; + Object *src_obj = src->get_validated_object_with_check(was_freed); + if (!src_obj) { + if (was_freed) { + err_text = "Trying to assign invalid previously freed instance."; + } else { + err_text = "Trying to assign invalid null variable."; + } + OPCODE_BREAK; + } if (src_obj && !ClassDB::is_parent_class(src_obj->get_class_name(), nc->get_name())) { err_text = "Trying to assign value of type '" + src_obj->get_class_name() + @@ -1274,15 +1284,26 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a OPCODE_BREAK; } - if (src->get_type() != Variant::NIL && src->operator Object *() != nullptr) { - ScriptInstance *scr_inst = src->operator Object *()->get_script_instance(); + if (src->get_type() != Variant::NIL) { + bool was_freed = false; + Object *val_obj = src->get_validated_object_with_check(was_freed); + if (!val_obj) { + if (was_freed) { + err_text = "Trying to assign invalid previously freed instance."; + } else { + err_text = "Trying to assign invalid null variable."; + } + OPCODE_BREAK; + } + + ScriptInstance *scr_inst = val_obj->get_script_instance(); if (!scr_inst) { - err_text = "Trying to assign value of type '" + src->operator Object *()->get_class_name() + + err_text = "Trying to assign value of type '" + val_obj->get_class_name() + "' to a variable of type '" + base_type->get_path().get_file() + "'."; OPCODE_BREAK; } - Script *src_type = src->operator Object *()->get_script_instance()->get_script().ptr(); + Script *src_type = val_obj->get_script_instance()->get_script().ptr(); bool valid = false; while (src_type) { @@ -1294,7 +1315,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a } if (!valid) { - err_text = "Trying to assign value of type '" + src->operator Object *()->get_script_instance()->get_script()->get_path().get_file() + + err_text = "Trying to assign value of type '" + val_obj->get_script_instance()->get_script()->get_path().get_file() + "' to a variable of type '" + base_type->get_path().get_file() + "'."; OPCODE_BREAK; } diff --git a/modules/gdscript/tests/scripts/analyzer/errors/native_freed_instance.gd b/modules/gdscript/tests/scripts/analyzer/errors/native_freed_instance.gd new file mode 100644 index 0000000000..dd2708b21d --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/native_freed_instance.gd @@ -0,0 +1,7 @@ +func test(): + var x = Node.new() + + x.free() + + var ok = x + var bad : Node = x diff --git a/modules/gdscript/tests/scripts/analyzer/errors/native_freed_instance.out b/modules/gdscript/tests/scripts/analyzer/errors/native_freed_instance.out new file mode 100644 index 0000000000..679e51ed81 --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/native_freed_instance.out @@ -0,0 +1,6 @@ +GDTEST_RUNTIME_ERROR +>> SCRIPT ERROR +>> on function: test() +>> analyzer/errors/native_freed_instance.gd +>> 7 +>> Trying to assign invalid previously freed instance. diff --git a/modules/gdscript/tests/scripts/analyzer/errors/script_freed_instance.gd b/modules/gdscript/tests/scripts/analyzer/errors/script_freed_instance.gd new file mode 100644 index 0000000000..758fbaccc9 --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/script_freed_instance.gd @@ -0,0 +1,10 @@ +class A extends Node: + pass + +func test(): + var x = A.new() + + x.free() + + var ok = x + var bad : A = x diff --git a/modules/gdscript/tests/scripts/analyzer/errors/script_freed_instance.out b/modules/gdscript/tests/scripts/analyzer/errors/script_freed_instance.out new file mode 100644 index 0000000000..dec7090322 --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/script_freed_instance.out @@ -0,0 +1,6 @@ +GDTEST_RUNTIME_ERROR +>> SCRIPT ERROR +>> on function: test() +>> analyzer/errors/script_freed_instance.gd +>> 10 +>> Trying to assign invalid previously freed instance. |