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

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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
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25
Userland/Libraries/LibJS/Runtime/VM.cpp
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@ -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