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LibJS: Convert the RegExpExec AO to ThrowCompletionOr

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This commit is contained in:
Idan Horowitz 2021-10-23 03:59:18 +03:00 • committed by Andreas Kling
parent a89d9d2c6f
commit 9b3c91aa65
3 changed files with 16 additions and 34 deletions
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44
Userland/Libraries/LibJS/Runtime/RegExpPrototype.cpp
View file

@ -246,13 +246,13 @@ static ThrowCompletionOr<Value> regexp_builtin_exec(GlobalObject& global_object,
}
// 22.2.5.2.1 RegExpExec ( R, S ), https://tc39.es/ecma262/#sec-regexpexec
Value regexp_exec(GlobalObject& global_object, Object& regexp_object, Utf16String string)
ThrowCompletionOr<Value> regexp_exec(GlobalObject& global_object, Object& regexp_object, Utf16String string)
{
auto& vm = global_object.vm();
auto exec = TRY_OR_DISCARD(regexp_object.get(vm.names.exec));
auto exec = TRY(regexp_object.get(vm.names.exec));
if (exec.is_function()) {
auto result = TRY_OR_DISCARD(vm.call(exec.as_function(), &regexp_object, js_string(vm, move(string))));
auto result = TRY(vm.call(exec.as_function(), &regexp_object, js_string(vm, move(string))));
if (!result.is_object() && !result.is_null())
vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObjectOrNull, result.to_string_without_side_effects());
@ -260,12 +260,10 @@ Value regexp_exec(GlobalObject& global_object, Object& regexp_object, Utf16Strin
return result;
}
if (!is<RegExpObject>(regexp_object)) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObjectOfType, "RegExp");
return {};
}
if (!is<RegExpObject>(regexp_object))
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAnObjectOfType, "RegExp");
return TRY_OR_DISCARD(regexp_builtin_exec(global_object, static_cast<RegExpObject&>(regexp_object), move(string)));
return regexp_builtin_exec(global_object, static_cast<RegExpObject&>(regexp_object), move(string));
}
// 1.1.4.3 get RegExp.prototype.hasIndices, https://tc39.es/proposal-regexp-match-indices/#sec-get-regexp.prototype.hasIndices
@ -338,9 +336,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(RegExpPrototype::test)
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
auto string = TRY_OR_DISCARD(vm.argument(0).to_utf16_string(global_object));
auto match = regexp_exec(global_object, *regexp_object, move(string));
if (vm.exception())
return {};
auto match = TRY_OR_DISCARD(regexp_exec(global_object, *regexp_object, move(string)));
return Value(!match.is_null());
}
@ -366,12 +362,8 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(RegExpPrototype::symbol_match)
bool global = TRY_OR_DISCARD(regexp_object->get(vm.names.global)).to_boolean();
if (!global) {
auto result = regexp_exec(global_object, *regexp_object, move(string));
if (vm.exception())
return {};
return result;
}
if (!global)
return TRY_OR_DISCARD(regexp_exec(global_object, *regexp_object, move(string)));
TRY_OR_DISCARD(regexp_object->set(vm.names.lastIndex, Value(0), Object::ShouldThrowExceptions::Yes));
@ -382,9 +374,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(RegExpPrototype::symbol_match)
size_t n = 0;
while (true) {
auto result = regexp_exec(global_object, *regexp_object, string);
if (vm.exception())
return {};
auto result = TRY_OR_DISCARD(regexp_exec(global_object, *regexp_object, string));
if (result.is_null()) {
if (n == 0)
@ -458,9 +448,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(RegExpPrototype::symbol_replace)
MarkedValueList results(vm.heap());
while (true) {
auto result = regexp_exec(global_object, *regexp_object, string);
if (vm.exception())
return {};
auto result = TRY_OR_DISCARD(regexp_exec(global_object, *regexp_object, string));
if (result.is_null())
break;
@ -553,9 +541,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(RegExpPrototype::symbol_search)
if (!same_value(previous_last_index, Value(0)))
TRY_OR_DISCARD(regexp_object->set(vm.names.lastIndex, Value(0), Object::ShouldThrowExceptions::Yes));
auto result = regexp_exec(global_object, *regexp_object, move(string));
if (vm.exception())
return {};
auto result = TRY_OR_DISCARD(regexp_exec(global_object, *regexp_object, move(string)));
auto current_last_index = TRY_OR_DISCARD(regexp_object->get(vm.names.lastIndex));
if (!same_value(current_last_index, previous_last_index))
@ -598,7 +584,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(RegExpPrototype::symbol_split)
return array;
if (string.is_empty()) {
auto result = regexp_exec(global_object, *splitter, string);
auto result = TRY_OR_DISCARD(regexp_exec(global_object, *splitter, string));
if (!result.is_null())
return array;
@ -612,9 +598,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(RegExpPrototype::symbol_split)
while (next_search_from < string_view.length_in_code_units()) {
TRY_OR_DISCARD(splitter->set(vm.names.lastIndex, Value(next_search_from), Object::ShouldThrowExceptions::Yes));
auto result = regexp_exec(global_object, *splitter, string);
if (vm.exception())
return {};
auto result = TRY_OR_DISCARD(regexp_exec(global_object, *splitter, string));
if (result.is_null()) {
next_search_from = advance_string_index(string_view, next_search_from, unicode);
continue;

2
Userland/Libraries/LibJS/Runtime/RegExpPrototype.h
View file

@ -12,7 +12,7 @@
namespace JS {
Value regexp_exec(GlobalObject& global_object, Object& regexp_object, Utf16String string);
ThrowCompletionOr<Value> regexp_exec(GlobalObject& global_object, Object& regexp_object, Utf16String string);
size_t advance_string_index(Utf16View const& string, size_t index, bool unicode);
class RegExpPrototype final : public PrototypeObject<RegExpPrototype, RegExpObject> {

4
Userland/Libraries/LibJS/Runtime/RegExpStringIteratorPrototype.cpp
View file

@ -37,9 +37,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(RegExpStringIteratorPrototype::next)
if (iterator->done())
return create_iterator_result_object(global_object, js_undefined(), true);
auto match = regexp_exec(global_object, iterator->regexp_object(), iterator->string());
if (vm.exception())
return {};
auto match = TRY_OR_DISCARD(regexp_exec(global_object, iterator->regexp_object(), iterator->string()));
if (match.is_null()) {
iterator->set_done();