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LibJS+Everywhere: Convert JS::Error to String

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This includes an Error::create overload to create an Error from a UTF-8
StringView. If creating a String from that view fails, the factory will
return an OOM InternalError instead. VM::throw_completion can also make
use of this overload via its perfect forwarding.
This commit is contained in:
Timothy Flynn 2023-02-16 14:09:11 -05:00 • committed by Tim Flynn
parent 153b793638
commit 88814acbd3
36 changed files with 198 additions and 151 deletions
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4
Userland/Libraries/LibJS/Runtime/ShadowRealm.cpp
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@ -107,7 +107,7 @@ ThrowCompletionOr<Value> perform_shadow_realm_eval(VM& vm, StringView source_tex
// b. If script is a List of errors, throw a SyntaxError exception.
if (parser.has_errors()) {
auto& error = parser.errors()[0];
return vm.throw_completion<SyntaxError>(error.to_deprecated_string());
return vm.throw_completion<SyntaxError>(TRY_OR_THROW_OOM(vm, error.to_string()));
}
// c. If script Contains ScriptBody is false, return undefined.
@ -272,7 +272,7 @@ ThrowCompletionOr<Value> shadow_realm_import_value(VM& vm, DeprecatedString spec
// NOTE: Even though the spec tells us to use %ThrowTypeError%, it's not observable if we actually do.
// Throw a nicer TypeError forwarding the import error message instead (we know the argument is an Error object).
auto throw_type_error = NativeFunction::create(realm, {}, [](auto& vm) -> ThrowCompletionOr<Value> {
return vm.template throw_completion<TypeError>(TRY(vm.argument(0).as_object().get_without_side_effects(vm.names.message).as_string().deprecated_string()));
return vm.template throw_completion<TypeError>(TRY(vm.argument(0).as_object().get_without_side_effects(vm.names.message).as_string().utf8_string()));
});
// 13. Return PerformPromiseThen(innerCapability.[[Promise]], onFulfilled, callerRealm.[[Intrinsics]].[[%ThrowTypeError%]], promiseCapability).