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LibJS: Make Heap::allocate<T>() infallible

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Stop worrying about tiny OOMs. Work towards #20449.

While going through these, I also changed the function signature in many
places where returning ThrowCompletionOr<T> is no longer necessary.
This commit is contained in:
Andreas Kling 2023-08-13 13:05:26 +02:00
parent 980e7164fe
commit 72c9f56c66
337 changed files with 1229 additions and 1251 deletions
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24
Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
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@ -281,7 +281,7 @@ void HTMLParser::the_end()
document->load_timing_info().dom_content_loaded_event_start_time = HighResolutionTime::unsafe_shared_current_time();
// 2. Fire an event named DOMContentLoaded at the Document object, with its bubbles attribute initialized to true.
auto content_loaded_event = DOM::Event::create(document->realm(), HTML::EventNames::DOMContentLoaded).release_value_but_fixme_should_propagate_errors();
auto content_loaded_event = DOM::Event::create(document->realm(), HTML::EventNames::DOMContentLoaded);
content_loaded_event->set_bubbles(true);
document->dispatch_event(content_loaded_event);
@ -322,7 +322,7 @@ void HTMLParser::the_end()
// 5. Fire an event named load at window, with legacy target override flag set.
// FIXME: The legacy target override flag is currently set by a virtual override of dispatch_event()
// We should reorganize this so that the flag appears explicitly here instead.
window->dispatch_event(DOM::Event::create(document->realm(), HTML::EventNames::load).release_value_but_fixme_should_propagate_errors());
window->dispatch_event(DOM::Event::create(document->realm(), HTML::EventNames::load));
// FIXME: 6. Invoke WebDriver BiDi load complete with the Document's browsing context, and a new WebDriver BiDi navigation status whose id is the Document object's navigation id, status is "complete", and url is the Document object's URL.
@ -490,13 +490,13 @@ void HTMLParser::handle_initial(HTMLToken& token)
}
if (token.is_comment()) {
auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment()).release_allocated_value_but_fixme_should_propagate_errors();
auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment());
MUST(document().append_child(*comment));
return;
}
if (token.is_doctype()) {
auto doctype = realm().heap().allocate<DOM::DocumentType>(realm(), document()).release_allocated_value_but_fixme_should_propagate_errors();
auto doctype = realm().heap().allocate<DOM::DocumentType>(realm(), document());
doctype->set_name(token.doctype_data().name);
doctype->set_public_id(token.doctype_data().public_identifier);
doctype->set_system_id(token.doctype_data().system_identifier);
@ -525,7 +525,7 @@ void HTMLParser::handle_before_html(HTMLToken& token)
// -> A comment token
if (token.is_comment()) {
// Insert a comment as the last child of the Document object.
auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment()).release_allocated_value_but_fixme_should_propagate_errors();
auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment());
MUST(document().append_child(*comment));
return;
}
@ -822,7 +822,7 @@ AnythingElse:
void HTMLParser::insert_comment(HTMLToken& token)
{
auto adjusted_insertion_location = find_appropriate_place_for_inserting_node();
adjusted_insertion_location.parent->insert_before(realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment()).release_allocated_value_but_fixme_should_propagate_errors(), adjusted_insertion_location.insert_before_sibling);
adjusted_insertion_location.parent->insert_before(realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment()), adjusted_insertion_location.insert_before_sibling);
}
void HTMLParser::handle_in_head(HTMLToken& token)
@ -1004,7 +1004,7 @@ DOM::Text* HTMLParser::find_character_insertion_node()
if (adjusted_insertion_location.insert_before_sibling) {
if (adjusted_insertion_location.insert_before_sibling->previous_sibling() && adjusted_insertion_location.insert_before_sibling->previous_sibling()->is_text())
return static_cast<DOM::Text*>(adjusted_insertion_location.insert_before_sibling->previous_sibling());
auto new_text_node = realm().heap().allocate<DOM::Text>(realm(), document(), "").release_allocated_value_but_fixme_should_propagate_errors();
auto new_text_node = realm().heap().allocate<DOM::Text>(realm(), document(), "");
adjusted_insertion_location.parent->insert_before(*new_text_node, *adjusted_insertion_location.insert_before_sibling);
return new_text_node;
}
@ -1012,7 +1012,7 @@ DOM::Text* HTMLParser::find_character_insertion_node()
return nullptr;
if (adjusted_insertion_location.parent->last_child() && adjusted_insertion_location.parent->last_child()->is_text())
return verify_cast<DOM::Text>(adjusted_insertion_location.parent->last_child());
auto new_text_node = realm().heap().allocate<DOM::Text>(realm(), document(), "").release_allocated_value_but_fixme_should_propagate_errors();
auto new_text_node = realm().heap().allocate<DOM::Text>(realm(), document(), "");
MUST(adjusted_insertion_location.parent->append_child(*new_text_node));
return new_text_node;
}
@ -1137,7 +1137,7 @@ void HTMLParser::handle_after_body(HTMLToken& token)
if (token.is_comment()) {
auto& insertion_location = m_stack_of_open_elements.first();
MUST(insertion_location.append_child(realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment()).release_allocated_value_but_fixme_should_propagate_errors()));
MUST(insertion_location.append_child(realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment())));
return;
}
@ -1173,7 +1173,7 @@ void HTMLParser::handle_after_body(HTMLToken& token)
void HTMLParser::handle_after_after_body(HTMLToken& token)
{
if (token.is_comment()) {
auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment()).release_allocated_value_but_fixme_should_propagate_errors();
auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment());
MUST(document().append_child(*comment));
return;
}
@ -3402,7 +3402,7 @@ void HTMLParser::handle_after_frameset(HTMLToken& token)
void HTMLParser::handle_after_after_frameset(HTMLToken& token)
{
if (token.is_comment()) {
auto comment = document().heap().allocate<DOM::Comment>(document().realm(), document(), token.comment()).release_allocated_value_but_fixme_should_propagate_errors();
auto comment = document().heap().allocate<DOM::Comment>(document().realm(), document(), token.comment());
MUST(document().append_child(comment));
return;
}
@ -3669,7 +3669,7 @@ DOM::Document& HTMLParser::document()
Vector<JS::Handle<DOM::Node>> HTMLParser::parse_html_fragment(DOM::Element& context_element, StringView markup)
{
// 1. Create a new Document node, and mark it as being an HTML document.
auto temp_document = DOM::Document::create(context_element.realm()).release_value_but_fixme_should_propagate_errors();
auto temp_document = DOM::Document::create(context_element.realm());
temp_document->set_document_type(DOM::Document::Type::HTML);
temp_document->set_is_temporary_document_for_fragment_parsing({});