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LibJS+LibWeb: Add fast_is<T> helpers for Realm::HostDefined class family

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Andreas Kling 2025-04-18 10:24:45 +02:00 • committed by Andreas Kling
parent a9e415b3c4
commit f35069d63b
Notes: github-actions[bot] 2025-04-18 12:47:43 +00:00
4 changed files with 18 additions and 4 deletions
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6
Libraries/LibJS/Runtime/Realm.h
View file

@ -30,6 +30,12 @@ public:
virtual ~HostDefined() = default;
virtual void visit_edges(Cell::Visitor&) { }
template<typename T>
bool fast_is() const = delete;
virtual bool is_principal_host_defined() const { return false; }
virtual bool is_synthetic_host_defined() const { return false; }
};
template<typename T, typename... Args>

4
Libraries/LibWeb/Bindings/Intrinsics.cpp
View file

@ -31,8 +31,8 @@ bool Intrinsics::is_exposed(StringView name) const
Intrinsics& host_defined_intrinsics(JS::Realm& realm)
{
VERIFY(realm.host_defined());
return as<Bindings::HostDefined>(*realm.host_defined()).intrinsics;
ASSERT(realm.host_defined());
return static_cast<Bindings::HostDefined&>(*realm.host_defined()).intrinsics;
}
}

6
Libraries/LibWeb/Bindings/PrincipalHostDefined.h
View file

@ -14,7 +14,7 @@
namespace Web::Bindings {
struct PrincipalHostDefined : public HostDefined {
struct PrincipalHostDefined final : public HostDefined {
PrincipalHostDefined(GC::Ref<HTML::EnvironmentSettingsObject> eso, GC::Ref<Intrinsics> intrinsics, GC::Ref<Page> page)
: HostDefined(intrinsics)
, environment_settings_object(eso)
@ -23,6 +23,7 @@ struct PrincipalHostDefined : public HostDefined {
}
virtual ~PrincipalHostDefined() override = default;
virtual void visit_edges(JS::Cell::Visitor& visitor) override;
virtual bool is_principal_host_defined() const override { return true; }
GC::Ref<HTML::EnvironmentSettingsObject> environment_settings_object;
GC::Ref<Page> page;
@ -44,3 +45,6 @@ struct PrincipalHostDefined : public HostDefined {
}
}
template<>
inline bool JS::Realm::HostDefined::fast_is<Web::Bindings::PrincipalHostDefined>() const { return is_principal_host_defined(); }

6
Libraries/LibWeb/Bindings/SyntheticHostDefined.h
View file

@ -13,7 +13,7 @@
namespace Web::Bindings {
struct SyntheticHostDefined : public HostDefined {
struct SyntheticHostDefined final : public HostDefined {
SyntheticHostDefined(HTML::SyntheticRealmSettings synthetic_realm_settings, GC::Ref<Intrinsics> intrinsics)
: HostDefined(intrinsics)
, synthetic_realm_settings(move(synthetic_realm_settings))
@ -22,8 +22,12 @@ struct SyntheticHostDefined : public HostDefined {
virtual ~SyntheticHostDefined() override = default;
virtual void visit_edges(JS::Cell::Visitor& visitor) override;
virtual bool is_synthetic_host_defined() const override { return true; }
HTML::SyntheticRealmSettings synthetic_realm_settings;
};
}
template<>
inline bool JS::Realm::HostDefined::fast_is<Web::Bindings::SyntheticHostDefined>() const { return is_synthetic_host_defined(); }