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LibJS: Make the BC generator.next(value) work

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This used to put the value in the previous frame's accumulator register,
which is only correct for the first invocation of the generator.
This commit is contained in:
Ali Mohammad Pur
2022-04-15 21:24:42 +04:30
committed by Ali Mohammad Pur
parent d5791c85b4
commit e1cd36559d
1 changed files with 6 additions and 1 deletions
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7
Userland/Libraries/LibJS/Runtime/GeneratorObject.cpp
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@@ -100,12 +100,17 @@ ThrowCompletionOr<Value> GeneratorObject::next_impl(VM& vm, GlobalObject& global
bytecode_interpreter->accumulator() = js_undefined();
return throw_completion(value_to_throw.release_value());
}
bytecode_interpreter->accumulator() = next_argument.value_or(js_undefined());
Bytecode::RegisterWindow* frame = nullptr;
if (m_frame.has_value())
frame = &m_frame.value();
auto next_value = next_argument.value_or(js_undefined());
if (frame)
frame->registers[0] = next_value;
else
bytecode_interpreter->accumulator() = next_value;
auto next_result = bytecode_interpreter->run_and_return_frame(*m_generating_function->bytecode_executable(), next_block, frame);
vm.pop_execution_context();