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LibJS+LibWeb: Mark NonnullGCPtr::ptr() as returns_nonnull

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This invariant is enforced by the fact that `NonnullGCPtr` can only be
constructed from references.

This commit fixes an instance where we compared a pointer to null after
we have already dereferenced it.
This commit is contained in:
Daniel Bertalan 2023-07-26 19:56:09 +02:00 committed by Tim Flynn
parent 9feb1ce39f
commit 66645cdc94
Notes: sideshowbarker 2024-07-16 22:51:10 +09:00 
Author: https://github.com/BertalanD
Commit: https://github.com/SerenityOS/serenity/commit/66645cdc94
Pull-request: https://github.com/SerenityOS/serenity/pull/20406
2 changed files with 4 additions and 4 deletions
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6
Userland/Libraries/LibJS/Heap/GCPtr.h
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@ -60,13 +60,13 @@ public:
return *this;
}
T* operator->() const { return m_ptr; }
RETURNS_NONNULL T* operator->() const { return m_ptr; }
T& operator*() const { return *m_ptr; }
T* ptr() const { return m_ptr; }
RETURNS_NONNULL T* ptr() const { return m_ptr; }
operator T*() const { return m_ptr; }
RETURNS_NONNULL operator T*() const { return m_ptr; }
operator T&() const { return *m_ptr; }

2
Userland/Libraries/LibWeb/Page/EventHandler.cpp
View file

@ -682,7 +682,7 @@ constexpr bool should_ignore_keydown_event(u32 code_point)
bool EventHandler::fire_keyboard_event(FlyString const& event_name, HTML::BrowsingContext& browsing_context, KeyCode key, unsigned int modifiers, u32 code_point)
{
JS::NonnullGCPtr<DOM::Document> document = *browsing_context.active_document();
JS::GCPtr<DOM::Document> document = browsing_context.active_document();
if (!document)
return false;