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