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char conversions

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Handle dangling references


[SVN r13157]
This commit is contained in:
Dave Abrahams
2002-03-10 06:29:05 +00:00
parent 7eb42dc36b
commit 688c64ce21
1 changed files with 16 additions and 5 deletions
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21
include/boost/python/converter/builtin_converters.hpp
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@@ -27,9 +27,13 @@ namespace detail
namespace converter
{
template <class T> struct callback_to_python;
BOOST_PYTHON_DECL PyObject* do_call_to_python(char);
BOOST_PYTHON_DECL PyObject* do_call_to_python(char const*);
BOOST_PYTHON_DECL PyObject* do_call_to_python(PyObject*);
BOOST_PYTHON_DECL PyObject* do_callback_to_python(PyObject*);
}
# define BOOST_PYTHON_TO_PYTHON_BY_VALUE(T, expr) \
# define BOOST_PYTHON_CALL_TO_PYTHON_BY_VALUE(T, expr) \
template <> struct to_python_value<T&> \
: detail::builtin_to_python \
{ \
@@ -45,7 +49,9 @@ namespace converter
{ \
return (expr); \
} \
}; \
};
# define BOOST_PYTHON_CALLBACK_TO_PYTHON_BY_VALUE(T, expr) \
namespace converter \
{ \
template <> struct callback_to_python< T > \
@@ -57,8 +63,11 @@ namespace converter
private: \
ref m_held; \
}; \
}
}
# define BOOST_PYTHON_TO_PYTHON_BY_VALUE(T, expr) \
BOOST_PYTHON_CALL_TO_PYTHON_BY_VALUE(T,expr) \
BOOST_PYTHON_CALLBACK_TO_PYTHON_BY_VALUE(T,expr)
# define BOOST_PYTHON_TO_INT(T) \
BOOST_PYTHON_TO_PYTHON_BY_VALUE(signed T, PyInt_FromLong(x)) \
@@ -71,12 +80,14 @@ BOOST_PYTHON_TO_INT(int)
BOOST_PYTHON_TO_INT(long)
# undef BOOST_TO_PYTHON_INT
BOOST_PYTHON_TO_PYTHON_BY_VALUE(char const*, x ? PyString_FromString(x) : boost::python::detail::none())
BOOST_PYTHON_TO_PYTHON_BY_VALUE(char, converter::do_call_to_python(x))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(char const*, converter::do_call_to_python(x))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(std::string, PyString_FromString(x.c_str()))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(float, PyFloat_FromDouble(x))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(double, PyFloat_FromDouble(x))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(long double, PyFloat_FromDouble(x))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(PyObject*, (x ? x : boost::python::detail::none()))
BOOST_PYTHON_CALL_TO_PYTHON_BY_VALUE(PyObject*, converter::do_call_to_python(x))
BOOST_PYTHON_CALLBACK_TO_PYTHON_BY_VALUE(PyObject*, converter::do_callback_to_python(x))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(std::complex<float>, PyComplex_FromDoubles(x.real(), x.imag()))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(std::complex<double>, PyComplex_FromDoubles(x.real(), x.imag()))
BOOST_PYTHON_TO_PYTHON_BY_VALUE(std::complex<long double>, PyComplex_FromDoubles(x.real(), x.imag()))