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LibJS: Convert Object::get() to ThrowCompletionOr

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To no one's surprise, this patch is pretty big - this is possibly the
most used AO of all of them. Definitely worth it though.
This commit is contained in:
Linus Groh 2021-10-02 23:52:27 +01:00
parent 9b6c09e2c4
commit b7e5f08e56
61 changed files with 326 additions and 686 deletions
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2
Userland/Libraries/LibWeb/Bindings/NavigatorObject.cpp
View file

@ -28,7 +28,7 @@ void NavigatorObject::initialize(JS::GlobalObject& global_object)
define_direct_property("appCodeName", js_string(heap, "Mozilla"), attr);
define_direct_property("appName", js_string(heap, "Netscape"), attr);
define_direct_property("appVersion", js_string(heap, "4.0"), attr);
define_direct_property("language", languages->get(0), attr);
define_direct_property("language", languages->get_without_side_effects(0), attr);
define_direct_property("languages", languages, attr);
define_direct_property("platform", js_string(heap, "SerenityOS"), attr);
define_direct_property("product", js_string(heap, "Gecko"), attr);

24
Userland/Libraries/LibWeb/Bindings/WindowObject.cpp
View file

@ -609,21 +609,15 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::scroll)
if (vm.exception())
return {};
auto left = options->get("left");
if (vm.exception())
return {};
auto left = TRY_OR_DISCARD(options->get("left"));
if (!left.is_undefined())
x_value = left;
auto top = options->get("top");
if (vm.exception())
return {};
auto top = TRY_OR_DISCARD(options->get("top"));
if (!top.is_undefined())
y_value = top;
auto behavior_string_value = options->get("behavior");
if (vm.exception())
return {};
auto behavior_string_value = TRY_OR_DISCARD(options->get("behavior"));
if (!behavior_string_value.is_undefined())
behavior_string = behavior_string_value.to_string(global_object);
if (vm.exception())
@ -684,16 +678,12 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::scroll_by)
options->set("behavior", JS::js_string(vm, "auto"), ShouldThrowExceptions::No);
}
auto left_value = options->get("left");
if (vm.exception())
return {};
auto left_value = TRY_OR_DISCARD(options->get("left"));
auto left = left_value.to_double(global_object);
if (vm.exception())
return {};
auto top_value = options->get("top");
if (vm.exception())
return {};
auto top_value = TRY_OR_DISCARD(options->get("top"));
auto top = top_value.to_double(global_object);
if (vm.exception())
return {};
@ -705,9 +695,7 @@ JS_DEFINE_NATIVE_FUNCTION(WindowObject::scroll_by)
left = left + current_scroll_position.x();
top = top + current_scroll_position.y();
auto behavior_string_value = options->get("behavior");
if (vm.exception())
return {};
auto behavior_string_value = TRY_OR_DISCARD(options->get("behavior"));
auto behavior_string = behavior_string_value.is_undefined() ? "auto" : behavior_string_value.to_string(global_object);
if (vm.exception())
return {};

4
Userland/Libraries/LibWeb/WebAssembly/WebAssemblyMemoryConstructor.cpp
View file

@ -36,8 +36,8 @@ JS::Value WebAssemblyMemoryConstructor::construct(FunctionObject&)
if (vm.exception())
return {};
auto initial_value = descriptor->get_without_side_effects("initial");
auto maximum_value = descriptor->get_without_side_effects("maximum");
auto initial_value = TRY_OR_DISCARD(descriptor->get("initial"));
auto maximum_value = TRY_OR_DISCARD(descriptor->get("maximum"));
if (initial_value.is_empty()) {
vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotAnObjectOfType, "Number");

10
Userland/Libraries/LibWeb/WebAssembly/WebAssemblyObject.cpp
View file

@ -164,16 +164,18 @@ Result<size_t, JS::Value> WebAssemblyObject::instantiate_module(Wasm::Module con
dbgln("Trying to resolve stuff because import object was specified");
for (const Wasm::Linker::Name& import_name : linker.unresolved_imports()) {
dbgln("Trying to resolve {}::{}", import_name.module, import_name.name);
auto value = import_object->get(import_name.module);
if (vm.exception())
auto value_or_error = import_object->get(import_name.module);
if (value_or_error.is_error())
break;
auto value = value_or_error.release_value();
auto object = value.to_object(global_object);
if (vm.exception())
break;
auto import_ = object->get(import_name.name);
if (vm.exception())
auto import_or_error = object->get(import_name.name);
if (import_or_error.is_error())
break;
auto import_ = import_or_error.release_value();
import_name.type.visit(
[&](Wasm::TypeIndex index) {
dbgln("Trying to resolve a function {}::{}, type index {}", import_name.module, import_name.name, index.value());

19
Userland/Libraries/LibWeb/WebAssembly/WebAssemblyTableConstructor.cpp
View file

@ -38,9 +38,7 @@ JS::Value WebAssemblyTableConstructor::construct(FunctionObject&)
if (vm.exception())
return {};
auto element_value = descriptor->get("element");
if (vm.exception())
return {};
auto element_value = TRY_OR_DISCARD(descriptor->get("element"));
if (!element_value.is_string()) {
vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::InvalidHint, element_value.to_string_without_side_effects());
return {};
@ -58,12 +56,8 @@ JS::Value WebAssemblyTableConstructor::construct(FunctionObject&)
return {};
}
auto initial_value = descriptor->get("initial");
if (vm.exception())
return {};
auto maximum_value = descriptor->get("maximum");
if (vm.exception())
return {};
auto initial_value = TRY_OR_DISCARD(descriptor->get("initial"));
auto maximum_value = TRY_OR_DISCARD(descriptor->get("maximum"));
auto initial = initial_value.to_u32(global_object);
if (vm.exception())
@ -82,12 +76,9 @@ JS::Value WebAssemblyTableConstructor::construct(FunctionObject&)
return {};
}
auto value_value = descriptor->get("value");
if (vm.exception())
return {};
auto value_value = TRY_OR_DISCARD(descriptor->get("value"));
auto reference_value = [&]() -> Optional<Wasm::Value> {
if (value_value.is_empty() || value_value.is_undefined())
if (value_value.is_undefined())
return Wasm::Value(*reference_type, 0ull);
return to_webassembly_value(value_value, *reference_type, global_object);

4
Userland/Libraries/LibWeb/WebAssembly/WebAssemblyTablePrototype.cpp
View file

@ -38,7 +38,7 @@ JS_DEFINE_NATIVE_FUNCTION(WebAssemblyTablePrototype::grow)
auto initial_size = table->elements().size();
auto value_value = vm.argument(1);
auto reference_value = [&]() -> Optional<Wasm::Value> {
if (value_value.is_empty() || value_value.is_undefined())
if (value_value.is_undefined())
return Wasm::Value(table->type().element_type(), 0ull);
return to_webassembly_value(value_value, table->type().element_type(), global_object);
@ -111,7 +111,7 @@ JS_DEFINE_NATIVE_FUNCTION(WebAssemblyTablePrototype::set)
auto value_value = vm.argument(1);
auto reference_value = [&]() -> Optional<Wasm::Value> {
if (value_value.is_empty() || value_value.is_undefined())
if (value_value.is_undefined())
return Wasm::Value(table->type().element_type(), 0ull);
return to_webassembly_value(value_value, table->type().element_type(), global_object);