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AK: Make "foo"_fly_string infallible

Browse source 
Stop worrying about tiny OOMs.

Work towards #20405.
This commit is contained in:
Andreas Kling 2023-08-07 12:07:35 +02:00
parent 34344120f2
commit 25eee91811
Notes: sideshowbarker 2024-07-17 05:23:40 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/25eee91811
Pull-request: https://github.com/SerenityOS/serenity/pull/20408
30 changed files with 59 additions and 72 deletions
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4
AK/FlyString.h
View file

@ -89,9 +89,9 @@ struct Formatter<FlyString> : Formatter<StringView> {
}
[[nodiscard]] ALWAYS_INLINE AK::ErrorOr<AK::FlyString> operator""_fly_string(char const* cstring, size_t length)
[[nodiscard]] ALWAYS_INLINE AK::FlyString operator""_fly_string(char const* cstring, size_t length)
{
return AK::FlyString::from_utf8(AK::StringView(cstring, length));
return AK::FlyString::from_utf8(AK::StringView(cstring, length)).release_value();
}
#if USING_AK_GLOBALLY

6
Tests/AK/TestFlyString.cpp
View file

@ -68,15 +68,15 @@ TEST_CASE(long_string)
TEST_CASE(from_string_view)
{
auto fly1 = MUST("thisisdefinitelymorethan7bytes"_fly_string);
auto fly1 = "thisisdefinitelymorethan7bytes"_fly_string;
EXPECT_EQ(fly1, "thisisdefinitelymorethan7bytes"sv);
EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
auto fly2 = MUST("thisisdefinitelymorethan7bytes"_fly_string);
auto fly2 = "thisisdefinitelymorethan7bytes"_fly_string;
EXPECT_EQ(fly2, "thisisdefinitelymorethan7bytes"sv);
EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);
auto fly3 = MUST("foo"_fly_string);
auto fly3 = "foo"_fly_string;
EXPECT_EQ(fly3, "foo"sv);
EXPECT_EQ(FlyString::number_of_fly_strings(), 1u);

26
Userland/Libraries/LibWeb/Bindings/MainThreadVM.cpp
View file

@ -82,19 +82,19 @@ ErrorOr<void> initialize_main_thread_vm()
s_main_thread_vm->ref();
// These strings could potentially live on the VM similar to CommonPropertyNames.
TRY(DOM::MutationType::initialize_strings());
TRY(HTML::AttributeNames::initialize_strings());
TRY(HTML::CustomElementReactionNames::initialize_strings());
TRY(HTML::EventNames::initialize_strings());
TRY(HTML::TagNames::initialize_strings());
TRY(Namespace::initialize_strings());
TRY(NavigationTiming::EntryNames::initialize_strings());
TRY(PerformanceTimeline::EntryTypes::initialize_strings());
TRY(SVG::AttributeNames::initialize_strings());
TRY(SVG::TagNames::initialize_strings());
TRY(UIEvents::EventNames::initialize_strings());
TRY(WebGL::EventNames::initialize_strings());
TRY(XHR::EventNames::initialize_strings());
DOM::MutationType::initialize_strings();
HTML::AttributeNames::initialize_strings();
HTML::CustomElementReactionNames::initialize_strings();
HTML::EventNames::initialize_strings();
HTML::TagNames::initialize_strings();
Namespace::initialize_strings();
NavigationTiming::EntryNames::initialize_strings();
PerformanceTimeline::EntryTypes::initialize_strings();
SVG::AttributeNames::initialize_strings();
SVG::TagNames::initialize_strings();
UIEvents::EventNames::initialize_strings();
WebGL::EventNames::initialize_strings();
XHR::EventNames::initialize_strings();
static_cast<WebEngineCustomData*>(s_main_thread_vm->custom_data())->event_loop.set_vm(*s_main_thread_vm);

5
Userland/Libraries/LibWeb/DOM/MutationType.cpp
View file

@ -12,17 +12,16 @@ namespace Web::DOM::MutationType {
ENUMERATE_MUTATION_TYPES
#undef __ENUMERATE_MUTATION_TYPE
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
#define __ENUMERATE_MUTATION_TYPE(name) name = TRY(#name##_fly_string);
#define __ENUMERATE_MUTATION_TYPE(name) name = #name##_fly_string;
ENUMERATE_MUTATION_TYPES
#undef __ENUMERATE_MUTATION_TYPE
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/DOM/MutationType.h
View file

@ -20,6 +20,6 @@ namespace Web::DOM::MutationType {
ENUMERATE_MUTATION_TYPES
#undef __ENUMERATE_MUTATION_TYPE
ErrorOr<void> initialize_strings();
void initialize_strings();
}

3
Userland/Libraries/LibWeb/HTML/AttributeNames.cpp
View file

@ -13,7 +13,7 @@ namespace AttributeNames {
ENUMERATE_HTML_ATTRIBUTES
#undef __ENUMERATE_HTML_ATTRIBUTE
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
@ -34,7 +34,6 @@ ErrorOr<void> initialize_strings()
http_equiv = "http-equiv";
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/HTML/AttributeNames.h
View file

@ -242,7 +242,7 @@ namespace AttributeNames {
ENUMERATE_HTML_ATTRIBUTES
#undef __ENUMERATE_HTML_ATTRIBUTE
ErrorOr<void> initialize_strings();
void initialize_strings();
}

5
Userland/Libraries/LibWeb/HTML/CustomElements/CustomElementReactionNames.cpp
View file

@ -12,18 +12,17 @@ namespace Web::HTML::CustomElementReactionNames {
ENUMERATE_CUSTOM_ELEMENT_REACTION_NAMES
#undef __ENUMERATE_CUSTOM_ELEMENT_REACTION_NAME
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
#define __ENUMERATE_CUSTOM_ELEMENT_REACTION_NAME(name) \
name = TRY(#name##_fly_string);
name = #name##_fly_string;
ENUMERATE_CUSTOM_ELEMENT_REACTION_NAMES
#undef __ENUMERATE_CUSTOM_ELEMENT_REACTION_NAME
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/HTML/CustomElements/CustomElementReactionNames.h
View file

@ -25,6 +25,6 @@ namespace Web::HTML::CustomElementReactionNames {
ENUMERATE_CUSTOM_ELEMENT_REACTION_NAMES
#undef __ENUMERATE_CUSTOM_ELEMENT_REACTION_NAME
ErrorOr<void> initialize_strings();
void initialize_strings();
}

5
Userland/Libraries/LibWeb/HTML/EventNames.cpp
View file

@ -12,18 +12,17 @@ namespace Web::HTML::EventNames {
ENUMERATE_HTML_EVENTS
#undef __ENUMERATE_HTML_EVENT
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
#define __ENUMERATE_HTML_EVENT(name) \
name = TRY(#name##_fly_string);
name = #name##_fly_string;
ENUMERATE_HTML_EVENTS
#undef __ENUMERATE_HTML_EVENT
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/HTML/EventNames.h
View file

@ -106,6 +106,6 @@ namespace Web::HTML::EventNames {
ENUMERATE_HTML_EVENTS
#undef __ENUMERATE_HTML_EVENT
ErrorOr<void> initialize_strings();
void initialize_strings();
}

8
Userland/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
View file

@ -510,7 +510,7 @@ WebIDL::ExceptionOr<void> HTMLMediaElement::load_element()
// 2. Take pending play promises and reject pending play promises with the result and an "AbortError" DOMException.
auto promises = take_pending_play_promises();
reject_pending_play_promises<WebIDL::AbortError>(promises, TRY_OR_THROW_OOM(vm, "Media playback was aborted"_fly_string));
reject_pending_play_promises<WebIDL::AbortError>(promises, "Media playback was aborted"_fly_string);
}
// 7. If seeking is true, set it to false.
@ -1251,7 +1251,7 @@ WebIDL::ExceptionOr<void> HTMLMediaElement::handle_media_source_failure(Span<JS:
dispatch_event(TRY(DOM::Event::create(realm, HTML::EventNames::error)));
// 6. Reject pending play promises with promises and a "NotSupportedError" DOMException.
reject_pending_play_promises<WebIDL::NotSupportedError>(promises, TRY_OR_THROW_OOM(vm, "Media is not supported"_fly_string));
reject_pending_play_promises<WebIDL::NotSupportedError>(promises, "Media is not supported"_fly_string);
// 7. Set the element's delaying-the-load-event flag to false. This stops delaying the load event.
m_delaying_the_load_event.clear();
@ -1477,7 +1477,7 @@ WebIDL::ExceptionOr<void> HTMLMediaElement::pause_element()
dispatch_event(DOM::Event::create(realm, HTML::EventNames::pause).release_value_but_fixme_should_propagate_errors());
// 3. Reject pending play promises with promises and an "AbortError" DOMException.
reject_pending_play_promises<WebIDL::AbortError>(promises, "Media playback was paused"_fly_string.release_value_but_fixme_should_propagate_errors());
reject_pending_play_promises<WebIDL::AbortError>(promises, "Media playback was paused"_fly_string);
});
// 4. Set the official playback position to the current playback position.
@ -1724,7 +1724,7 @@ WebIDL::ExceptionOr<void> HTMLMediaElement::reached_end_of_media_playback()
// 3. Take pending play promises and reject pending play promises with the result and an "AbortError" DOMException.
auto promises = take_pending_play_promises();
reject_pending_play_promises<WebIDL::AbortError>(promises, "Media playback has ended"_fly_string.release_value_but_fixme_should_propagate_errors());
reject_pending_play_promises<WebIDL::AbortError>(promises, "Media playback has ended"_fly_string);
}
});

3
Userland/Libraries/LibWeb/HTML/TagNames.cpp
View file

@ -12,7 +12,7 @@ namespace Web::HTML::TagNames {
ENUMERATE_HTML_TAGS
#undef __ENUMERATE_HTML_TAG
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
@ -25,7 +25,6 @@ ErrorOr<void> initialize_strings()
template_ = "template";
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/HTML/TagNames.h
View file

@ -161,6 +161,6 @@ namespace Web::HTML::TagNames {
ENUMERATE_HTML_TAGS
#undef __ENUMERATE_HTML_TAG
ErrorOr<void> initialize_strings();
void initialize_strings();
}

3
Userland/Libraries/LibWeb/Namespace.cpp
View file

@ -12,7 +12,7 @@ namespace Web::Namespace {
ENUMERATE_NAMESPACES
#undef __ENUMERATE_NAMESPACE
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
@ -23,7 +23,6 @@ ErrorOr<void> initialize_strings()
#undef __ENUMERATE_NAMESPACE
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/Namespace.h
View file

@ -23,6 +23,6 @@ namespace Web::Namespace {
ENUMERATE_NAMESPACES
#undef __ENUMERATE_NAMESPACE
ErrorOr<void> initialize_strings();
void initialize_strings();
}

5
Userland/Libraries/LibWeb/NavigationTiming/EntryNames.cpp
View file

@ -12,18 +12,17 @@ namespace Web::NavigationTiming::EntryNames {
ENUMERATE_NAVIGATION_TIMING_ENTRY_NAMES
#undef __ENUMERATE_NAVIGATION_TIMING_ENTRY_NAME
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
#define __ENUMERATE_NAVIGATION_TIMING_ENTRY_NAME(name, _) \
name = TRY(#name##_fly_string);
name = #name##_fly_string;
ENUMERATE_NAVIGATION_TIMING_ENTRY_NAMES
#undef __ENUMERATE_NAVIGATION_TIMING_ENTRY_NAME
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/NavigationTiming/EntryNames.h
View file

@ -37,6 +37,6 @@ namespace Web::NavigationTiming::EntryNames {
ENUMERATE_NAVIGATION_TIMING_ENTRY_NAMES
#undef __ENUMERATE_NAVIGATION_TIMING_ENTRY_NAME
ErrorOr<void> initialize_strings();
void initialize_strings();
}

11
Userland/Libraries/LibWeb/PerformanceTimeline/EntryTypes.cpp
View file

@ -12,23 +12,22 @@ namespace Web::PerformanceTimeline::EntryTypes {
ENUMERATE_PERFORMANCE_TIMELINE_ENTRY_TYPES
#undef __ENUMERATE_PERFORMANCE_TIMELINE_ENTRY_TYPE
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
#define __ENUMERATE_PERFORMANCE_TIMELINE_ENTRY_TYPE(name) \
name = TRY(#name##_fly_string);
name = #name##_fly_string;
ENUMERATE_PERFORMANCE_TIMELINE_ENTRY_TYPES
#undef __ENUMERATE_PERFORMANCE_TIMELINE_ENTRY_TYPE
// NOTE: Special cases for attributes with dashes in them.
first_input = TRY("first-input"_fly_string);
largest_contentful_paint = TRY("largest-contentful-paint"_fly_string);
layout_shift = TRY("layout-shift"_fly_string);
first_input = "first-input"_fly_string;
largest_contentful_paint = "largest-contentful-paint"_fly_string;
layout_shift = "layout-shift"_fly_string;
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/PerformanceTimeline/EntryTypes.h
View file

@ -28,6 +28,6 @@ namespace Web::PerformanceTimeline::EntryTypes {
ENUMERATE_PERFORMANCE_TIMELINE_ENTRY_TYPES
#undef __ENUMERATE_PERFORMANCE_TIMELINE_ENTRY_TYPE
ErrorOr<void> initialize_strings();
void initialize_strings();
}

3
Userland/Libraries/LibWeb/SVG/AttributeNames.cpp
View file

@ -12,7 +12,7 @@ namespace Web::SVG::AttributeNames {
ENUMERATE_SVG_ATTRIBUTES(__ENUMERATE_SVG_ATTRIBUTE)
#undef __ENUMERATE_SVG_ATTRIBUTE
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
@ -23,7 +23,6 @@ ErrorOr<void> initialize_strings()
#undef __ENUMERATE_SVG_ATTRIBUTE
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/SVG/AttributeNames.h
View file

@ -100,6 +100,6 @@ namespace Web::SVG::AttributeNames {
ENUMERATE_SVG_ATTRIBUTES(__ENUMERATE_SVG_ATTRIBUTE)
#undef __ENUMERATE_SVG_ATTRIBUTE
ErrorOr<void> initialize_strings();
void initialize_strings();
}

3
Userland/Libraries/LibWeb/SVG/TagNames.cpp
View file

@ -12,7 +12,7 @@ namespace Web::SVG::TagNames {
ENUMERATE_SVG_TAGS
#undef __ENUMERATE_SVG_TAG
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
@ -22,7 +22,6 @@ ErrorOr<void> initialize_strings()
#undef __ENUMERATE_SVG_TAG
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/SVG/TagNames.h
View file

@ -43,6 +43,6 @@ namespace Web::SVG::TagNames {
ENUMERATE_SVG_TAGS
#undef __ENUMERATE_SVG_TAG
ErrorOr<void> initialize_strings();
void initialize_strings();
}

5
Userland/Libraries/LibWeb/UIEvents/EventNames.cpp
View file

@ -12,18 +12,17 @@ namespace Web::UIEvents::EventNames {
ENUMERATE_UI_EVENTS
#undef __ENUMERATE_UI_EVENT
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
#define __ENUMERATE_UI_EVENT(name) \
name = TRY(#name##_fly_string);
name = #name##_fly_string;
ENUMERATE_UI_EVENTS
#undef __ENUMERATE_UI_EVENT
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/UIEvents/EventNames.h
View file

@ -36,6 +36,6 @@ namespace Web::UIEvents::EventNames {
ENUMERATE_UI_EVENTS
#undef __ENUMERATE_UI_EVENT
ErrorOr<void> initialize_strings();
void initialize_strings();
}

5
Userland/Libraries/LibWeb/WebGL/EventNames.cpp
View file

@ -12,18 +12,17 @@ namespace Web::WebGL::EventNames {
ENUMERATE_GL_EVENTS
#undef __ENUMERATE_GL_EVENT
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
#define __ENUMERATE_GL_EVENT(name) \
name = TRY(#name##_fly_string);
name = #name##_fly_string;
ENUMERATE_GL_EVENTS
#undef __ENUMERATE_GL_EVENT
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/WebGL/EventNames.h
View file

@ -20,6 +20,6 @@ namespace Web::WebGL::EventNames {
ENUMERATE_GL_EVENTS
#undef __ENUMERATE_GL_EVENT
ErrorOr<void> initialize_strings();
void initialize_strings();
}

5
Userland/Libraries/LibWeb/XHR/EventNames.cpp
View file

@ -12,18 +12,17 @@ namespace Web::XHR::EventNames {
ENUMERATE_XHR_EVENTS
#undef __ENUMERATE_XHR_EVENT
ErrorOr<void> initialize_strings()
void initialize_strings()
{
static bool s_initialized = false;
VERIFY(!s_initialized);
#define __ENUMERATE_XHR_EVENT(name) \
name = TRY(#name##_fly_string);
name = #name##_fly_string;
ENUMERATE_XHR_EVENTS
#undef __ENUMERATE_XHR_EVENT
s_initialized = true;
return {};
}
}

2
Userland/Libraries/LibWeb/XHR/EventNames.h
View file

@ -25,6 +25,6 @@ namespace Web::XHR::EventNames {
ENUMERATE_XHR_EVENTS
#undef __ENUMERATE_XHR_EVENT
ErrorOr<void> initialize_strings();
void initialize_strings();
}