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LibJS: Stop propagating small OOM errors from Intl.ListFormat

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Timothy Flynn 2023-08-30 11:45:26 -04:00 • committed by Andreas Kling
parent 76b5974f08
commit 9e5055c298
4 changed files with 31 additions and 35 deletions
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52
Userland/Libraries/LibJS/Runtime/Intl/ListFormat.cpp
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@ -4,11 +4,11 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/StringBuilder.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/ListFormat.h>
#include <LibJS/Runtime/Iterator.h>
#include <LibJS/Runtime/ThrowableStringBuilder.h>
namespace JS::Intl {
@ -46,7 +46,7 @@ StringView ListFormat::type_string() const
}
// 13.5.1 DeconstructPattern ( pattern, placeables ), https://tc39.es/ecma402/#sec-deconstructpattern
ThrowCompletionOr<Vector<PatternPartition>> deconstruct_pattern(VM& vm, StringView pattern, Placeables placeables)
Vector<PatternPartition> deconstruct_pattern(StringView pattern, Placeables placeables)
{
// 1. Let patternParts be ! PartitionPattern(pattern).
auto pattern_parts = partition_pattern(pattern);
@ -62,7 +62,7 @@ ThrowCompletionOr<Vector<PatternPartition>> deconstruct_pattern(VM& vm, StringVi
// b. If part is "literal", then
if (part == "literal"sv) {
// i. Append Record { [[Type]]: "literal", [[Value]]: patternPart.[[Value]] } to result.
TRY_OR_THROW_OOM(vm, result.try_append({ part, move(pattern_part.value) }));
result.append({ part, move(pattern_part.value) });
}
// c. Else,
else {
@ -71,22 +71,18 @@ ThrowCompletionOr<Vector<PatternPartition>> deconstruct_pattern(VM& vm, StringVi
auto subst = placeables.get(part);
VERIFY(subst.has_value());
MUST_OR_THROW_OOM(subst.release_value().visit(
subst.release_value().visit(
// iii. If Type(subst) is List, then
[&](Vector<PatternPartition>& partition) -> ThrowCompletionOr<void> {
[&](Vector<PatternPartition>& partition) {
// 1. For each element s of subst, do
for (auto& element : partition) {
// a. Append s to result.
TRY_OR_THROW_OOM(vm, result.try_append(move(element)));
}
return {};
// a. Append s to result.
result.extend(move(partition));
},
// iv. Else,
[&](PatternPartition& partition) -> ThrowCompletionOr<void> {
[&](PatternPartition& partition) {
// 1. Append subst to result.
TRY_OR_THROW_OOM(vm, result.try_append(move(partition)));
return {};
}));
result.append(move(partition));
});
}
}
@ -95,11 +91,11 @@ ThrowCompletionOr<Vector<PatternPartition>> deconstruct_pattern(VM& vm, StringVi
}
// 13.5.2 CreatePartsFromList ( listFormat, list ), https://tc39.es/ecma402/#sec-createpartsfromlist
ThrowCompletionOr<Vector<PatternPartition>> create_parts_from_list(VM& vm, ListFormat const& list_format, Vector<String> const& list)
Vector<PatternPartition> create_parts_from_list(ListFormat const& list_format, Vector<String> const& list)
{
auto list_patterns = ::Locale::get_locale_list_patterns(list_format.locale(), list_format.type_string(), list_format.style());
if (!list_patterns.has_value())
return Vector<PatternPartition> {};
return {};
// 1. Let size be the number of elements of list.
auto size = list.size();
@ -107,7 +103,7 @@ ThrowCompletionOr<Vector<PatternPartition>> create_parts_from_list(VM& vm, ListF
// 2. If size is 0, then
if (size == 0) {
// a. Return a new empty List.
return Vector<PatternPartition> {};
return {};
}
// 3. If size is 2, then
@ -128,7 +124,7 @@ ThrowCompletionOr<Vector<PatternPartition>> create_parts_from_list(VM& vm, ListF
placeables.set("1"sv, move(second));
// f. Return ! DeconstructPattern(pattern, placeables).
return MUST_OR_THROW_OOM(deconstruct_pattern(vm, pattern, move(placeables)));
return deconstruct_pattern(pattern, move(placeables));
}
// 4. Let last be a new Record { [[Type]]: "element", [[Value]]: list[size - 1] }.
@ -174,7 +170,7 @@ ThrowCompletionOr<Vector<PatternPartition>> create_parts_from_list(VM& vm, ListF
placeables.set("1"sv, move(parts));
// g. Set parts to ! DeconstructPattern(pattern, placeables).
parts = MUST_OR_THROW_OOM(deconstruct_pattern(vm, pattern, move(placeables)));
parts = deconstruct_pattern(pattern, move(placeables));
// h. Decrement i by 1.
} while (i-- != 0);
@ -184,31 +180,31 @@ ThrowCompletionOr<Vector<PatternPartition>> create_parts_from_list(VM& vm, ListF
}
// 13.5.3 FormatList ( listFormat, list ), https://tc39.es/ecma402/#sec-formatlist
ThrowCompletionOr<String> format_list(VM& vm, ListFormat const& list_format, Vector<String> const& list)
String format_list(ListFormat const& list_format, Vector<String> const& list)
{
// 1. Let parts be ! CreatePartsFromList(listFormat, list).
auto parts = MUST_OR_THROW_OOM(create_parts_from_list(vm, list_format, list));
auto parts = create_parts_from_list(list_format, list);
// 2. Let result be an empty String.
ThrowableStringBuilder result(vm);
StringBuilder result;
// 3. For each Record { [[Type]], [[Value]] } part in parts, do
for (auto& part : parts) {
// a. Set result to the string-concatenation of result and part.[[Value]].
TRY(result.append(part.value));
result.append(part.value);
}
// 4. Return result.
return result.to_string();
return MUST(result.to_string());
}
// 13.5.4 FormatListToParts ( listFormat, list ), https://tc39.es/ecma402/#sec-formatlisttoparts
ThrowCompletionOr<Array*> format_list_to_parts(VM& vm, ListFormat const& list_format, Vector<String> const& list)
NonnullGCPtr<Array> format_list_to_parts(VM& vm, ListFormat const& list_format, Vector<String> const& list)
{
auto& realm = *vm.current_realm();
// 1. Let parts be ! CreatePartsFromList(listFormat, list).
auto parts = MUST_OR_THROW_OOM(create_parts_from_list(vm, list_format, list));
auto parts = create_parts_from_list(list_format, list);
// 2. Let result be ! ArrayCreate(0).
auto result = MUST(Array::create(realm, 0));
@ -235,7 +231,7 @@ ThrowCompletionOr<Array*> format_list_to_parts(VM& vm, ListFormat const& list_fo
}
// 5. Return result.
return result.ptr();
return result;
}
// 13.5.5 StringListFromIterable ( iterable ), https://tc39.es/ecma402/#sec-createstringlistfromiterable
@ -276,7 +272,7 @@ ThrowCompletionOr<Vector<String>> string_list_from_iterable(VM& vm, Value iterab
}
// iii. Append nextValue to the end of the List list.
TRY_OR_THROW_OOM(vm, list.try_append(next_value.as_string().utf8_string()));
list.append(next_value.as_string().utf8_string());
}
} while (next != nullptr);