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LibWeb: Remove unecessary dependence on Window from DOM and WebIDL

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These classes only needed Window to get at its realm. Pass a realm
directly to construct DOM and WebIDL classes.

This change importantly removes the guarantee that a Document will
always have a non-null Window object. Only Documents created by a
BrowsingContext will have a non-null Window object. Documents created by
for example, DocumentFragment, will not have a Window (soon).

This incremental commit leaves some workarounds in place to keep other
parts of the code building.
This commit is contained in:
Andrew Kaster 2022-09-25 16:15:49 -06:00 • committed by Linus Groh
parent 8407bf60c5
commit 8de7e49a56
56 changed files with 364 additions and 326 deletions
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43
Userland/Libraries/LibWeb/WebIDL/DOMException.h
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@ -9,17 +9,18 @@
#include <AK/FlyString.h>
#include <LibJS/Runtime/VM.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/HTML/Scripting/Environments.h>
namespace Web::WebIDL {
#define TRY_OR_RETURN_OOM(global_object, expression) \
({ \
auto _temporary_result = (expression); \
if (_temporary_result.is_error()) { \
VERIFY(_temporary_result.error().code() == ENOMEM); \
return WebIDL::UnknownError::create(global_object, "Out of memory."sv); \
} \
_temporary_result.release_value(); \
#define TRY_OR_RETURN_OOM(realm, expression) \
({ \
auto _temporary_result = (expression); \
if (_temporary_result.is_error()) { \
VERIFY(_temporary_result.error().code() == ENOMEM); \
return WebIDL::UnknownError::create(realm, "Out of memory."sv); \
} \
_temporary_result.release_value(); \
})
// The following have a legacy code value but *don't* produce it as
@ -102,13 +103,11 @@ class DOMException final : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(DOMException, Bindings::PlatformObject);
public:
static JS::NonnullGCPtr<DOMException> create(JS::Object& global_object, FlyString const& name, FlyString const& message);
static JS::NonnullGCPtr<DOMException> create(JS::Realm& realm, FlyString const& name, FlyString const& message);
// JS constructor has message first, name second
// FIXME: This is a completely pointless footgun, let's use the same order for both factories.
static JS::NonnullGCPtr<DOMException> create_with_global_object(JS::Object& global_object, FlyString const& message, FlyString const& name);
static JS::NonnullGCPtr<DOMException> create(JS::Realm& realm, FlyString const& message);
static JS::NonnullGCPtr<DOMException> construct_impl(JS::Realm& realm, FlyString const& message, FlyString const& name);
virtual ~DOMException() override;
@ -117,20 +116,24 @@ public:
u16 code() const { return get_legacy_code_for_name(m_name); }
protected:
DOMException(HTML::Window&, FlyString const& name, FlyString const& message);
DOMException(JS::Realm&, FlyString const& name, FlyString const& message);
private:
FlyString m_name;
FlyString m_message;
};
#define __ENUMERATE(ErrorName) \
class ErrorName final { \
public: \
static JS::NonnullGCPtr<DOMException> create(JS::Object& global_object, FlyString const& message) \
{ \
return DOMException::create(global_object, #ErrorName, message); \
} \
#define __ENUMERATE(ErrorName) \
class ErrorName final { \
public: \
static JS::NonnullGCPtr<DOMException> create(JS::Realm& realm, FlyString const& message) \
{ \
return DOMException::create(realm, #ErrorName, message); \
} \
static JS::NonnullGCPtr<DOMException> create(JS::Object const& global_object, FlyString const& message) \
{ \
return create(HTML::relevant_realm(global_object), message); \
} \
};
ENUMERATE_DOM_EXCEPTION_ERROR_NAMES
#undef __ENUMERATE