This commit was manufactured by cvs2svn to create branch 'mpl_v2'.

[SVN r15247]

test/cltree.cpp

@@ -0,0 +1,70 @@
+#include <boost/python/module_init.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_INIT(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"
+