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LibWeb: Store a SpeculativeHTMLParser on the HTML Parser

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The parser was previously added, but unused. Actually attaching one to
the HTML Parser will let us test the limits of Swift interop.
This commit is contained in:
Andrew Kaster
2025-04-04 09:20:27 -06:00
committed by Andrew Kaster
parent 3c45d155a6
commit 8cfac6ed71
Notes: github-actions[bot] 2025-04-16 15:03:28 +00:00 
Author: https://github.com/ADKaster
Commit: https://github.com/LadybirdBrowser/ladybird/commit/8cfac6ed710
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4373
3 changed files with 39 additions and 4 deletions
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26
Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
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@@ -49,6 +49,10 @@
#include <LibWeb/SVG/SVGScriptElement.h>
#include <LibWeb/SVG/TagNames.h>
#ifdef LIBWEB_USE_SWIFT
# include <LibWeb-Swift.h>
#endif
namespace Web::HTML {
GC_DEFINE_ALLOCATOR(HTMLParser);
@@ -189,10 +193,24 @@ void HTMLParser::visit_edges(Cell::Visitor& visitor)
m_list_of_active_formatting_elements.visit_edges(visitor);
}
void HTMLParser::initialize(JS::Realm& realm)
{
Base::initialize(realm);
#if defined(LIBWEB_USE_SWIFT)
m_speculative_parser = GC::ForeignRef<Web::SpeculativeHTMLParser>::allocate(realm.heap(), this);
#endif
}
void HTMLParser::run(HTMLTokenizer::StopAtInsertionPoint stop_at_insertion_point)
{
m_stop_parsing = false;
#if defined(LIBWEB_USE_SWIFT)
dbgln("Poking Swift Tokenizer");
m_speculative_parser->poke();
#endif
for (;;) {
auto optional_token = m_tokenizer.next_token(stop_at_insertion_point);
if (!optional_token.has_value())
@@ -4642,21 +4660,21 @@ Vector<GC::Root<DOM::Node>> HTMLParser::parse_html_fragment(DOM::Element& contex
GC::Ref<HTMLParser> HTMLParser::create_for_scripting(DOM::Document& document)
{
return document.heap().allocate<HTMLParser>(document);
return document.realm().create<HTMLParser>(document);
}
GC::Ref<HTMLParser> HTMLParser::create_with_uncertain_encoding(DOM::Document& document, ByteBuffer const& input, Optional<MimeSniff::MimeType> maybe_mime_type)
{
if (document.has_encoding())
return document.heap().allocate<HTMLParser>(document, input, document.encoding().value().to_byte_string());
return document.realm().create<HTMLParser>(document, input, document.encoding().value().to_byte_string());
auto encoding = run_encoding_sniffing_algorithm(document, input, maybe_mime_type);
dbgln_if(HTML_PARSER_DEBUG, "The encoding sniffing algorithm returned encoding '{}'", encoding);
return document.heap().allocate<HTMLParser>(document, input, encoding);
return document.realm().create<HTMLParser>(document, input, encoding);
}
GC::Ref<HTMLParser> HTMLParser::create(DOM::Document& document, StringView input, StringView encoding)
{
return document.heap().allocate<HTMLParser>(document, input, encoding);
return document.realm().create<HTMLParser>(document, input, encoding);
}
enum class AttributeMode {