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LibJS/Bytecode: Implement yield*

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This commit is contained in:
Luke Wilde 2022-12-09 18:48:57 +00:00 • committed by Linus Groh
parent 758a4cb1a6
commit 4db2efaecb
5 changed files with 406 additions and 4 deletions
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58
Userland/Libraries/LibJS/Bytecode/Op.cpp
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@ -320,6 +320,21 @@ ThrowCompletionOr<void> NewRegExp::execute_impl(Bytecode::Interpreter& interpret
return {};
}
#define JS_DEFINE_NEW_BUILTIN_ERROR_OP(ErrorName) \
ThrowCompletionOr<void> New##ErrorName::execute_impl(Bytecode::Interpreter& interpreter) const \
{ \
auto& vm = interpreter.vm(); \
auto& realm = *vm.current_realm(); \
interpreter.accumulator() = ErrorName::create(realm, interpreter.current_executable().get_string(m_error_string)); \
return {}; \
} \
DeprecatedString New##ErrorName::to_deprecated_string_impl(Bytecode::Executable const& executable) const \
{ \
return DeprecatedString::formatted("New" #ErrorName " {} (\"{}\")", m_error_string, executable.string_table->get(m_error_string)); \
}
JS_ENUMERATE_NEW_BUILTIN_ERROR_OPS(JS_DEFINE_NEW_BUILTIN_ERROR_OP)
ThrowCompletionOr<void> CopyObjectExcludingProperties::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& vm = interpreter.vm();
@ -728,6 +743,14 @@ ThrowCompletionOr<void> Throw::execute_impl(Bytecode::Interpreter& interpreter)
return throw_completion(interpreter.accumulator());
}
ThrowCompletionOr<void> ThrowIfNotObject::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& vm = interpreter.vm();
if (!interpreter.accumulator().is_object())
return vm.throw_completion<TypeError>(ErrorType::NotAnObject, interpreter.accumulator().to_string_without_side_effects());
return {};
}
ThrowCompletionOr<void> EnterUnwindContext::execute_impl(Bytecode::Interpreter& interpreter) const
{
interpreter.enter_unwind_context(m_handler_target, m_finalizer_target);
@ -857,6 +880,15 @@ ThrowCompletionOr<void> GetIterator::execute_impl(Bytecode::Interpreter& interpr
return {};
}
ThrowCompletionOr<void> GetMethod::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& vm = interpreter.vm();
auto identifier = interpreter.current_executable().get_identifier(m_property);
auto* method = TRY(interpreter.accumulator().get_method(vm, identifier));
interpreter.accumulator() = method ?: js_undefined();
return {};
}
// 14.7.5.9 EnumerateObjectProperties ( O ), https://tc39.es/ecma262/#sec-enumerate-object-properties
ThrowCompletionOr<void> GetObjectPropertyIterator::execute_impl(Bytecode::Interpreter& interpreter) const
{
@ -938,6 +970,17 @@ ThrowCompletionOr<void> GetObjectPropertyIterator::execute_impl(Bytecode::Interp
return {};
}
ThrowCompletionOr<void> IteratorClose::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& vm = interpreter.vm();
auto* iterator_object = TRY(interpreter.accumulator().to_object(vm));
auto iterator = object_to_iterator(vm, *iterator_object);
// FIXME: Return the value of the resulting completion. (Note that m_completion_value can be empty!)
TRY(iterator_close(vm, iterator, Completion { m_completion_type, m_completion_value, {} }));
return {};
}
ThrowCompletionOr<void> IteratorNext::execute_impl(Bytecode::Interpreter& interpreter) const
{
auto& vm = interpreter.vm();
@ -1210,6 +1253,11 @@ DeprecatedString Throw::to_deprecated_string_impl(Bytecode::Executable const&) c
return "Throw";
}
DeprecatedString ThrowIfNotObject::to_deprecated_string_impl(Bytecode::Executable const&) const
{
return "ThrowIfNotObject";
}
DeprecatedString EnterUnwindContext::to_deprecated_string_impl(Bytecode::Executable const&) const
{
auto handler_string = m_handler_target.has_value() ? DeprecatedString::formatted("{}", *m_handler_target) : "<empty>";
@ -1283,11 +1331,21 @@ DeprecatedString GetIterator::to_deprecated_string_impl(Executable const&) const
return "GetIterator";
}
DeprecatedString GetMethod::to_deprecated_string_impl(Bytecode::Executable const& executable) const
{
return DeprecatedString::formatted("GetMethod {} ({})", m_property, executable.identifier_table->get(m_property));
}
DeprecatedString GetObjectPropertyIterator::to_deprecated_string_impl(Bytecode::Executable const&) const
{
return "GetObjectPropertyIterator";
}
DeprecatedString IteratorClose::to_deprecated_string_impl(Bytecode::Executable const&) const
{
return DeprecatedString::formatted("IteratorClose completion_type={} completion_value={}", to_underlying(m_completion_type), m_completion_value.has_value() ? m_completion_value.value().to_string_without_side_effects() : "<empty>");
}
DeprecatedString IteratorNext::to_deprecated_string_impl(Executable const&) const
{
return "IteratorNext";