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#ifndef GREENLET_EXCEPTIONS_HPP
#define GREENLET_EXCEPTIONS_HPP
#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include <stdexcept>
#include <string>
#ifdef __clang__
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunused-function"
#endif
namespace greenlet {
class PyErrOccurred : public std::runtime_error
{
public:
PyErrOccurred() : std::runtime_error("")
{
assert(PyErr_Occurred());
}
PyErrOccurred(PyObject* exc_kind, const char* const msg)
: std::runtime_error(msg)
{
PyErr_SetString(exc_kind, msg);
}
PyErrOccurred(PyObject* exc_kind, const std::string msg)
: std::runtime_error(msg)
{
// This copies the c_str, so we don't have any lifetime
// issues to worry about.
PyErr_SetString(exc_kind, msg.c_str());
}
};
class TypeError : public PyErrOccurred
{
public:
TypeError(const char* const what)
: PyErrOccurred(PyExc_TypeError, what)
{
}
TypeError(const std::string what)
: PyErrOccurred(PyExc_TypeError, what)
{
}
};
class ValueError : public PyErrOccurred
{
public:
ValueError(const char* const what)
: PyErrOccurred(PyExc_ValueError, what)
{
}
};
class AttributeError : public PyErrOccurred
{
public:
AttributeError(const char* const what)
: PyErrOccurred(PyExc_AttributeError, what)
{
}
};
/**
* Calls `Py_FatalError` when constructed, so you can't actually
* throw this. It just makes static analysis easier.
*/
class PyFatalError : public std::runtime_error
{
public:
PyFatalError(const char* const msg)
: std::runtime_error(msg)
{
Py_FatalError(msg);
}
};
static inline PyObject*
Require(PyObject* p)
{
if (!p) {
throw PyErrOccurred();
}
return p;
};
static inline void
Require(const int retval)
{
if (retval < 0) {
throw PyErrOccurred();
}
};
};
#ifdef __clang__
# pragma clang diagnostic pop
#endif
#endif
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