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