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LibJS: Move creation of fallible VM objects to its creation factory

No change of behavior in this patch, but this will allow this factory to
propagate any errors from the creation of these objects.
This commit is contained in:
Timothy Flynn 2023-03-17 10:21:51 -04:00 committed by Linus Groh
parent 782cdaeccf
commit eb5aae24f4
2 changed files with 31 additions and 16 deletions

View file

@ -36,7 +36,20 @@ namespace JS {
NonnullRefPtr<VM> VM::create(OwnPtr<CustomData> custom_data)
{
return adopt_ref(*new VM(move(custom_data)));
ErrorMessages error_messages {};
error_messages[to_underlying(ErrorMessage::OutOfMemory)] = String::from_utf8(ErrorType::OutOfMemory.message()).release_value_but_fixme_should_propagate_errors();
auto vm = adopt_ref(*new VM(move(custom_data), move(error_messages)));
WellKnownSymbols well_known_symbols {
#define __JS_ENUMERATE(SymbolName, snake_name) \
Symbol::create(*vm, "Symbol." #SymbolName##_string.release_value_but_fixme_should_propagate_errors(), false),
JS_ENUMERATE_WELL_KNOWN_SYMBOLS
#undef __JS_ENUMERATE
};
vm->set_well_known_symbols(move(well_known_symbols));
return vm;
}
template<u32... code_points>
@ -47,8 +60,9 @@ static constexpr auto make_single_ascii_character_strings(IndexSequence<code_poi
static constexpr auto single_ascii_character_strings = make_single_ascii_character_strings(MakeIndexSequence<128>());
VM::VM(OwnPtr<CustomData> custom_data)
VM::VM(OwnPtr<CustomData> custom_data, ErrorMessages error_messages)
: m_heap(*this)
, m_error_messages(move(error_messages))
, m_custom_data(move(custom_data))
{
m_empty_string = m_heap.allocate_without_realm<PrimitiveString>(String {});
@ -150,13 +164,6 @@ VM::VM(OwnPtr<CustomData> custom_data)
// NOTE: Since LibJS has no way of knowing whether the current environment is a browser we always
// call HostEnsureCanAddPrivateElement when needed.
};
#define __JS_ENUMERATE(SymbolName, snake_name) \
m_well_known_symbol_##snake_name = Symbol::create(*this, "Symbol." #SymbolName##_string.release_value_but_fixme_should_propagate_errors(), false);
JS_ENUMERATE_WELL_KNOWN_SYMBOLS
#undef __JS_ENUMERATE
m_error_messages[to_underlying(ErrorMessage::OutOfMemory)] = String::from_utf8(ErrorType::OutOfMemory.message()).release_value_but_fixme_should_propagate_errors();
}
String const& VM::error_message(ErrorMessage type) const