#ifndef GREENLET_EXCEPTION_STATE_CPP #define GREENLET_EXCEPTION_STATE_CPP #include #include "TGreenlet.hpp" namespace greenlet { ExceptionState::ExceptionState() { this->clear(); } void ExceptionState::operator<<(const PyThreadState *const tstate) noexcept { this->exc_info = tstate->exc_info; this->exc_state = tstate->exc_state; } void ExceptionState::operator>>(PyThreadState *const tstate) noexcept { tstate->exc_state = this->exc_state; tstate->exc_info = this->exc_info ? this->exc_info : &tstate->exc_state; this->clear(); } void ExceptionState::clear() noexcept { this->exc_info = nullptr; this->exc_state.exc_value = nullptr; #if !GREENLET_PY311 this->exc_state.exc_type = nullptr; this->exc_state.exc_traceback = nullptr; #endif this->exc_state.previous_item = nullptr; } int ExceptionState::tp_traverse(visitproc visit, void* arg) noexcept { Py_VISIT(this->exc_state.exc_value); #if !GREENLET_PY311 Py_VISIT(this->exc_state.exc_type); Py_VISIT(this->exc_state.exc_traceback); #endif return 0; } void ExceptionState::tp_clear() noexcept { Py_CLEAR(this->exc_state.exc_value); #if !GREENLET_PY311 Py_CLEAR(this->exc_state.exc_type); Py_CLEAR(this->exc_state.exc_traceback); #endif } }; // namespace greenlet #endif // GREENLET_EXCEPTION_STATE_CPP