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LibWeb: Add scaffold for for "execution context of a realm"

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Alongside some const qualfied getters that this requires.
This commit is contained in:
Shannon Booth 2024-10-21 15:25:09 +13:00 • committed by Andrew Kaster
parent aef18435fb
commit 0628b74272
Notes: github-actions[bot] 2024-11-01 19:16:30 +00:00
4 changed files with 25 additions and 0 deletions
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2
Userland/Libraries/LibJS/Runtime/Realm.h
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@ -48,6 +48,8 @@ public:
}
HostDefined* host_defined() { return m_host_defined; }
HostDefined const* host_defined() const { return m_host_defined; }
void set_host_defined(OwnPtr<HostDefined> host_defined) { m_host_defined = move(host_defined); }
void define_builtin(Bytecode::Builtin builtin, NonnullGCPtr<NativeFunction> value)

5
Userland/Libraries/LibWeb/Bindings/HostDefined.h
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@ -33,6 +33,11 @@ struct HostDefined : public JS::Realm::HostDefined {
return *verify_cast<HostDefined>(realm.host_defined())->environment_settings_object;
}
[[nodiscard]] inline HTML::EnvironmentSettingsObject const& host_defined_environment_settings_object(JS::Realm const& realm)
{
return *verify_cast<HostDefined>(realm.host_defined())->environment_settings_object;
}
[[nodiscard]] inline Page& host_defined_page(JS::Realm& realm)
{
return *verify_cast<HostDefined>(realm.host_defined())->page;

15
Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp
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@ -65,6 +65,12 @@ JS::ExecutionContext& EnvironmentSettingsObject::realm_execution_context()
return *m_realm_execution_context;
}
JS::ExecutionContext const& EnvironmentSettingsObject::realm_execution_context() const
{
// NOTE: All environment settings objects are created with a realm execution context, so it's stored and returned here in the base class.
return *m_realm_execution_context;
}
ModuleMap& EnvironmentSettingsObject::module_map()
{
return *m_module_map;
@ -124,6 +130,15 @@ void EnvironmentSettingsObject::prepare_to_run_script()
// FIXME: 2. Add settings to the currently running task's script evaluation environment settings object set.
}
// https://whatpr.org/html/9893/b8ea975...df5706b/webappapis.html#concept-realm-execution-context
JS::ExecutionContext const& execution_context_of_realm(JS::Realm const& realm)
{
// FIXME: 1. If realm is a principal realm, then return the realm execution context of the environment settings object of realm.
// FIXME: 2. Assert: realm is a synthetic realm.
// FIXME: 3. Return the execution context of the synthetic realm settings object of realm.
return Bindings::host_defined_environment_settings_object(realm).realm_execution_context();
}
// https://html.spec.whatwg.org/multipage/webappapis.html#clean-up-after-running-script
void EnvironmentSettingsObject::clean_up_after_running_script()
{

3
Userland/Libraries/LibWeb/HTML/Scripting/Environments.h
View file

@ -63,6 +63,7 @@ public:
// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-target-browsing-context
JS::ExecutionContext& realm_execution_context();
JS::ExecutionContext const& realm_execution_context() const;
// https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-module-map
ModuleMap& module_map();
@ -135,6 +136,8 @@ private:
bool m_discarded { false };
};
JS::ExecutionContext const& execution_context_of_realm(JS::Realm const&);
RunScriptDecision can_run_script(JS::Realm const&);
bool is_scripting_enabled(JS::Realm const&);
bool is_scripting_disabled(JS::Realm const&);