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https://github.com/RGBCube/serenity
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LibJS: Convert to_string() to ThrowCompletionOr
Also update get_function_name() to use ThrowCompletionOr, but this is not a standard AO and should be refactored out of existence eventually.
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parent
5d38cf4973
commit
4d8912a92b
48 changed files with 171 additions and 415 deletions
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@ -38,9 +38,7 @@ JS_DEFINE_NATIVE_FUNCTION(CSSNamespace::escape)
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return {};
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}
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auto identifier = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto identifier = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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return JS::js_string(vm, Web::CSS::serialize_an_identifier(identifier));
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}
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@ -55,17 +53,13 @@ JS_DEFINE_NATIVE_FUNCTION(CSSNamespace::supports)
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if (vm.argument_count() >= 2) {
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// When the supports(property, value) method is invoked with two arguments property and value:
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String property_name = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto property_name = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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// If property is an ASCII case-insensitive match for any defined CSS property that the UA supports,
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// and value successfully parses according to that property’s grammar, return true.
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auto property = CSS::property_id_from_string(property_name);
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if (property != CSS::PropertyID::Invalid) {
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auto value_string = vm.argument(1).to_string(global_object);
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if (vm.exception())
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return {};
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auto value_string = TRY_OR_DISCARD(vm.argument(1).to_string(global_object));
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if (parse_css_value({}, value_string, property))
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return JS::Value(true);
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}
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@ -79,9 +73,7 @@ JS_DEFINE_NATIVE_FUNCTION(CSSNamespace::supports)
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return JS::Value(false);
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} else {
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// When the supports(conditionText) method is invoked with a single conditionText argument:
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String supports_text = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto supports_text = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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// If conditionText, parsed and evaluated as a <supports-condition>, would return true, return true.
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if (auto supports = parse_css_supports({}, supports_text); supports && supports->matches())
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@ -48,9 +48,7 @@ JS::ThrowCompletionOr<bool> CSSStyleDeclarationWrapper::internal_set(JS::Propert
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if (property_id == CSS::PropertyID::Invalid)
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return Base::internal_set(name, value, receiver);
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auto css_text = value.to_string(global_object());
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if (auto* exception = vm().exception())
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return JS::throw_completion(exception->value());
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auto css_text = TRY(value.to_string(global_object()));
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impl().set_property(property_id, css_text);
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return true;
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@ -53,9 +53,7 @@ JS_DEFINE_NATIVE_FUNCTION(LocationObject::href_getter)
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JS_DEFINE_NATIVE_FUNCTION(LocationObject::href_setter)
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{
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auto& window = static_cast<WindowObject&>(global_object);
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auto new_href = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto new_href = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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auto href_url = window.impl().associated_document().parse_url(new_href);
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if (!href_url.is_valid()) {
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vm.throw_exception<JS::URIError>(global_object, String::formatted("Invalid URL '{}'", new_href));
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@ -133,9 +131,7 @@ JS_DEFINE_NATIVE_FUNCTION(LocationObject::reload)
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JS_DEFINE_NATIVE_FUNCTION(LocationObject::replace)
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{
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auto& window = static_cast<WindowObject&>(global_object);
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auto url = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto url = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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// FIXME: This needs spec compliance work.
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window.impl().did_call_location_replace({}, move(url));
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return JS::js_undefined();
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@ -190,11 +190,8 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::alert)
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if (!impl)
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return {};
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String message = "";
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if (vm.argument_count()) {
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message = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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}
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if (vm.argument_count())
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message = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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impl->alert(message);
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return JS::js_undefined();
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}
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@ -205,11 +202,8 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::confirm)
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if (!impl)
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return {};
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String message = "";
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if (!vm.argument(0).is_undefined()) {
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message = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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}
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if (!vm.argument(0).is_undefined())
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message = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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return JS::Value(impl->confirm(message));
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}
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@ -220,16 +214,10 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::prompt)
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return {};
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String message = "";
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String default_ = "";
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if (!vm.argument(0).is_undefined()) {
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message = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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}
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if (!vm.argument(1).is_undefined()) {
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default_ = vm.argument(1).to_string(global_object);
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if (vm.exception())
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return {};
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}
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if (!vm.argument(0).is_undefined())
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message = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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if (!vm.argument(1).is_undefined())
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default_ = TRY_OR_DISCARD(vm.argument(1).to_string(global_object));
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auto response = impl->prompt(message, default_);
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if (response.is_null())
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return JS::js_null();
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@ -252,9 +240,7 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::set_interval)
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if (vm.argument(0).is_function()) {
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callback = &vm.argument(0).as_function();
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} else {
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auto script_source = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto script_source = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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// FIXME: This needs more work once we have a environment settings object.
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// The spec wants us to use a task for the "run function or script string" part,
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// using a NativeFunction for the latter is a workaround so that we can reuse the
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@ -293,9 +279,7 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::set_timeout)
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if (vm.argument(0).is_function()) {
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callback = &vm.argument(0).as_function();
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} else {
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auto script_source = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto script_source = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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// FIXME: This needs more work once we have a environment settings object.
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// The spec wants us to use a task for the "run function or script string" part,
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// using a NativeFunction for the latter is a workaround so that we can reuse the
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@ -415,9 +399,7 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::atob)
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vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::BadArgCountOne, "atob");
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return {};
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}
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auto string = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto string = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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auto decoded = decode_base64(StringView(string));
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// decode_base64() returns a byte string. LibJS uses UTF-8 for strings. Use Latin1Decoder to convert bytes 128-255 to UTF-8.
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@ -435,9 +417,7 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::btoa)
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vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::BadArgCountOne, "btoa");
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return {};
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}
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auto string = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto string = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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Vector<u8> byte_string;
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byte_string.ensure_capacity(string.length());
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@ -593,9 +573,7 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::match_media)
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auto* impl = impl_from(vm, global_object);
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if (!impl)
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return {};
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auto media = vm.argument(0).to_string(global_object);
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if (vm.exception())
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return {};
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auto media = TRY_OR_DISCARD(vm.argument(0).to_string(global_object));
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return wrap(global_object, impl->match_media(move(media)));
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}
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@ -660,9 +638,7 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::scroll)
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auto behavior_string_value = TRY_OR_DISCARD(options->get("behavior"));
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if (!behavior_string_value.is_undefined())
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behavior_string = behavior_string_value.to_string(global_object);
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if (vm.exception())
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return {};
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behavior_string = TRY_OR_DISCARD(behavior_string_value.to_string(global_object));
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if (behavior_string != "smooth" && behavior_string != "auto") {
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vm.throw_exception<JS::TypeError>(global_object, "Behavior is not one of 'smooth' or 'auto'");
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return {};
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@ -737,9 +713,7 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::scroll_by)
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top = top + current_scroll_position.y();
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auto behavior_string_value = TRY_OR_DISCARD(options->get("behavior"));
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auto behavior_string = behavior_string_value.is_undefined() ? "auto" : behavior_string_value.to_string(global_object);
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if (vm.exception())
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return {};
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auto behavior_string = behavior_string_value.is_undefined() ? "auto" : TRY_OR_DISCARD(behavior_string_value.to_string(global_object));
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if (behavior_string != "smooth" && behavior_string != "auto") {
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vm.throw_exception<JS::TypeError>(global_object, "Behavior is not one of 'smooth' or 'auto'");
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return {};
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