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Add support for static variables in GDScript

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Which allows editable data associated with a particular class instead of
the instance. Scripts with static variables are kept in memory
indefinitely unless the `@static_unload` annotation is used or the
`static_unload()` method is called on the GDScript.

If the custom function `_static_init()` exists it will be called when
the class is loaded, after the static variables are set.
This commit is contained in:
George Marques 2023-04-19 11:10:35 -03:00
parent 352ebe9725
commit 0ba6048ad3
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GPG key ID: 046BD46A3201E43D
36 changed files with 689 additions and 86 deletions
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9
modules/gdscript/gdscript_editor.cpp
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@ -2992,6 +2992,15 @@ static void _find_call_arguments(GDScriptParser::CompletionContext &p_context, c
List<MethodInfo> virtual_methods;
ClassDB::get_virtual_methods(class_name, &virtual_methods);
{
// Not truly a virtual method, but can also be "overridden".
MethodInfo static_init("_static_init");
static_init.return_val.type = Variant::NIL;
static_init.flags |= METHOD_FLAG_STATIC | METHOD_FLAG_VIRTUAL;
virtual_methods.push_back(static_init);
}
for (const MethodInfo &mi : virtual_methods) {
String method_hint = mi.name;
if (method_hint.contains(":")) {