boost/python
2
0
Fork 0
mirror of https://github.com/boostorg/python.git synced 2026-01-26 06:42:27 +00:00
Code Issues Projects Releases Wiki Activity

object operator support

Browse Source 
[SVN r14168]
This commit is contained in:
Dave Abrahams
2002-06-18 13:49:09 +00:00
parent 87bda9e124
commit 66f2cd81a8
15 changed files with 771 additions and 432 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
src/object_operators.cpp Normal file
View File

@@ -0,0 +1,51 @@
// Copyright David Abrahams 2002. Permission to copy, use,
// modify, sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided
// "as is" without express or implied warranty, and with no claim as
// to its suitability for any purpose.
#include <boost/python/object_operators.hpp>
namespace boost { namespace python { namespace api {
#define BOOST_PYTHON_BINARY_OPERATOR(op, name) \
BOOST_PYTHON_DECL object operator op(object const& l, object const& r) \
{ \
return object( \
(object::new_pyobject_reference*) \
PyNumber_##name(&*l, &*r)); \
}
BOOST_PYTHON_BINARY_OPERATOR(+, Add)
BOOST_PYTHON_BINARY_OPERATOR(-, Subtract)
BOOST_PYTHON_BINARY_OPERATOR(*, Multiply)
BOOST_PYTHON_BINARY_OPERATOR(/, Divide)
BOOST_PYTHON_BINARY_OPERATOR(%, Remainder)
BOOST_PYTHON_BINARY_OPERATOR(<<, Lshift)
BOOST_PYTHON_BINARY_OPERATOR(>>, Rshift)
BOOST_PYTHON_BINARY_OPERATOR(&, And)
BOOST_PYTHON_BINARY_OPERATOR(^, Xor)
BOOST_PYTHON_BINARY_OPERATOR(|, Or)
#undef BOOST_PYTHON_BINARY_OPERATOR
#define BOOST_PYTHON_INPLACE_OPERATOR(op, name) \
BOOST_PYTHON_DECL object& operator op##=(object& l, object const& r) \
{ \
return l = object( \
(object::new_pyobject_reference*) \
PyNumber_InPlace##name(&*l, &*r)); \
}
BOOST_PYTHON_INPLACE_OPERATOR(+, Add)
BOOST_PYTHON_INPLACE_OPERATOR(-, Subtract)
BOOST_PYTHON_INPLACE_OPERATOR(*, Multiply)
BOOST_PYTHON_INPLACE_OPERATOR(/, Divide)
BOOST_PYTHON_INPLACE_OPERATOR(%, Remainder)
BOOST_PYTHON_INPLACE_OPERATOR(<<, Lshift)
BOOST_PYTHON_INPLACE_OPERATOR(>>, Rshift)
BOOST_PYTHON_INPLACE_OPERATOR(&, And)
BOOST_PYTHON_INPLACE_OPERATOR(^, Xor)
BOOST_PYTHON_INPLACE_OPERATOR(|, Or)
#undef BOOST_PYTHON_INPLACE_OPERATOR
}}} // namespace boost::python

12
src/object_protocol.cpp
View File

@@ -8,28 +8,28 @@
#include <boost/python/errors.hpp>
#include <boost/python/object.hpp>
namespace boost { namespace python {
namespace boost { namespace python { namespace api {
object getattr(object const& target, object const& key)
BOOST_PYTHON_DECL object getattr(object const& target, object const& key)
{
return object((object::new_pyobject_reference*)PyObject_GetAttr(&*target, &*key));
}
void setattr(object const& target, object const& key, object const& value)
BOOST_PYTHON_DECL void setattr(object const& target, object const& key, object const& value)
{
if (PyObject_SetAttr(&*target, &*key, &*value) == -1)
throw_error_already_set();
}
object getitem(object const& target, object const& key)
BOOST_PYTHON_DECL object getitem(object const& target, object const& key)
{
return object((object::new_pyobject_reference*)PyObject_GetItem(&*target, &*key));
}
void setitem(object const& target, object const& key, object const& value)
BOOST_PYTHON_DECL void setitem(object const& target, object const& key, object const& value)
{
if (PyObject_SetItem(&*target, &*key, &*value) == -1)
throw_error_already_set();
}
}} // namespace boost::python
}}} // namespace boost::python::api