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// Copyright David Abrahams 2005. Distributed under the Boost
// Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/python/module.hpp>
#include <boost/python/def.hpp>
#include <boost/python/class.hpp>
#include <boost/utility.hpp>
/* Non-modifiable definitions */
class basic {
public:
basic() { name = "cltree.basic"; }
std::string repr() { return name+"()"; }
protected:
std::string name;
};
class constant: public basic {
public:
constant() { name = "cltree.constant"; }
};
class symbol: public basic {
public:
symbol() { name = "cltree.symbol"; }
};
class variable: public basic {
public:
variable() { name = "cltree.variable"; }
};
/* EOF: Non-modifiable definitions */
class symbol_wrapper: public symbol {
public:
symbol_wrapper(PyObject* /*self*/): symbol() {
name = "cltree.wrapped_symbol";
}
};
class variable_wrapper: public variable {
public:
variable_wrapper(PyObject* /*self*/): variable() {
name = "cltree.wrapped_variable";
}
// This constructor is introduced only because cannot use
// boost::noncopyable, see below.
variable_wrapper(PyObject* /*self*/,variable v): variable(v) {}
};
BOOST_PYTHON_MODULE(cltree)
{
boost::python::class_<basic>("basic")
.def("__repr__",&basic::repr)
;
boost::python::class_<constant, boost::python::bases<basic>, boost::noncopyable>("constant")
;
boost::python::class_<symbol, symbol_wrapper, boost::noncopyable>("symbol")
;
boost::python::class_<variable, boost::python::bases<basic>, variable_wrapper>("variable")
;
}
#include "module_tail.cpp"
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