ladybird/Userland/Libraries/LibJS/Heap/HeapRoot.h

/*
 * Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/SourceLocation.h>

namespace JS {

struct HeapRoot {
    enum class Type {
        HeapFunctionCapturedPointer,
        Handle,
        MarkedVector,
        ConservativeVector,
        RegisterPointer,
        SafeFunction,
        StackPointer,
        VM,
    };

    Type type;
    SourceLocation const* location { nullptr };
};

}
LibJS: Add source location for Handle nodes in GC graph dumper output With this change JS::Handle root nodes will contain source location where they were constructed like: ``` "94675029575744": { "root": "Handle activate_event_handler \ serenity/Userland/Libraries/LibWeb/DOM/EventTarget.cpp:564", "class_name": "HTMLButtonElement", "edges": [ "94675025955904", "94675026899520", "94675030831168", ``` 2023-09-22 02:04:16 +02:00			`/*`
			`* Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>`
			`*`
			`* SPDX-License-Identifier: BSD-2-Clause`
			`*/`

			`#pragma once`

			`#include <AK/SourceLocation.h>`

			`namespace JS {`

			`struct HeapRoot {`
			`enum class Type {`
			`HeapFunctionCapturedPointer,`
			`Handle,`
			`MarkedVector,`
LibJS: Add ConservativeVector<T> This works very similarly to MarkedVector<T>, but instead of expecting T to be Value or a GC-allocated pointer type, T can be anything. Every pointer-sized value in the vector's storage will be checked during conservative root scanning. In other words, this allows you to put something like this in a ConservativeVector<Foo> and it will be protected from GC: struct Foo { i64 number; Value some_value; GCPtr<Object> some_object; }; 2024-02-22 13:18:31 +01:00			`ConservativeVector,`
LibJS: Add source location for Handle nodes in GC graph dumper output With this change JS::Handle root nodes will contain source location where they were constructed like: ``` "94675029575744": { "root": "Handle activate_event_handler \ serenity/Userland/Libraries/LibWeb/DOM/EventTarget.cpp:564", "class_name": "HTMLButtonElement", "edges": [ "94675025955904", "94675026899520", "94675030831168", ``` 2023-09-22 02:04:16 +02:00			`RegisterPointer,`
			`SafeFunction,`
			`StackPointer,`
			`VM,`
			`};`

			`Type type;`
			`SourceLocation const* location { nullptr };`
			`};`

			`}`