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LibWeb: Add virtual destructor to Environment

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This makes it polymorphic and allows checking the subclass of an
Environment with is<T>().

We also need to change the inheritance order so JS::Cell comes first for
this to work. Unfortunately, I have no idea why that is.

Co-Authored-By: Andreas Kling <kling@serenityos.org>
This commit is contained in:
Linus Groh 2022-10-13 22:22:41 +02:00
parent e40c8f550f
commit 93405b4aff
1 changed files with 4 additions and 2 deletions
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6
Userland/Libraries/LibWeb/HTML/Scripting/Environments.h
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@ -20,6 +20,8 @@ namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/webappapis.html#environment
struct Environment {
virtual ~Environment() = default;
// An id https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-id
String id;
@ -53,8 +55,8 @@ enum class RunScriptDecision {
// https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object
struct EnvironmentSettingsObject
: public Environment
, public JS::Cell {
: public JS::Cell
, public Environment {
JS_CELL(EnvironmentSettingsObject, JS::Cell);
virtual ~EnvironmentSettingsObject() override;