bfd354492e
With this change, we now have ~1200 CellAllocators across both LibJS and LibWeb in a normal WebContent instance. This gives us a minimum heap size of 4.7 MiB in the scenario where we only have one cell allocated per type. Of course, in practice there will be many more of each type, so the effective overhead is quite a bit smaller than that in practice. I left a few types unconverted to this mechanism because I got tired of doing this. :^)
66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
/*
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* Copyright (c) 2023, Shannon Booth <shannon@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/HTML/Scripting/ClassicScript.h>
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#include <LibWeb/Namespace.h>
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#include <LibWeb/SVG/AttributeNames.h>
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#include <LibWeb/SVG/SVGScriptElement.h>
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namespace Web::SVG {
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JS_DEFINE_ALLOCATOR(SVGScriptElement);
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SVGScriptElement::SVGScriptElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: SVGElement(document, move(qualified_name))
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{
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}
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void SVGScriptElement::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGScriptElementPrototype>(realm, "SVGScriptElement"));
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}
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void SVGScriptElement::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_script);
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}
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// https://www.w3.org/TR/SVGMobile12/script.html#ScriptContentProcessing
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void SVGScriptElement::process_the_script_element()
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{
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// 1. If the 'script' element's "already processed" flag is true or if the element is not in the
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// document tree, then no action is performed and these steps are ended.
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if (m_already_processed || !in_a_document_tree())
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return;
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auto inline_script = child_text_content();
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// FIXME: 2. If the 'script' element references external script content, then the external script content
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// using the current value of the 'xlink:href' attribute is fetched. Further processing of the
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// 'script' element is dependent on the external script content, and will block here until the
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// resource has been fetched or is determined to be an invalid IRI reference.
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if (has_attribute(SVG::AttributeNames::href) || has_attribute_ns(Namespace::XLink.to_string(), SVG::AttributeNames::href)) {
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dbgln("FIXME: Unsupported external fetch of SVGScriptElement!");
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return;
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}
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// 3. The 'script' element's "already processed" flag is set to true.
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m_already_processed = true;
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// 4. If the script content is inline, or if it is external and was fetched successfully, then the
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// script is executed. Note that at this point, these steps may be re-entrant if the execution
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// of the script results in further 'script' elements being inserted into the document.
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// FIXME: Support non-inline scripts.
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auto& settings_object = document().relevant_settings_object();
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auto base_url = document().base_url();
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m_script = HTML::ClassicScript::create(m_document->url().to_deprecated_string(), inline_script, settings_object, base_url, m_source_line_number);
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(void)m_script->run();
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}
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}
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