Init commit for work on new binding

This contains the foundation for the new binding as well as early work on Module and Type.

newbinding/include/llvm_binding/binding.h

@@ -0,0 +1,73 @@
+#include <Python.h>
+#include <cstring>
+
+#if (PY_MAJOR_VERSION >= 3)
+
+static
+PyObject*
+create_python_module(const char *name, PyMethodDef* methtable){
+    PyModuleDef module_def_tmp = {
+        PyModuleDef_HEAD_INIT,
+        name,
+        NULL,
+        -1,
+        methtable,
+        NULL, NULL, NULL, NULL
+    };
+
+    PyModuleDef* module_def = new PyModuleDef(module_def_tmp); // will leak??
+    PyObject* module = PyModule_Create(module_def);
+    if (module == NULL){
+        delete module_def;
+        return NULL;
+    }
+    return module;
+}
+
+#else
+
+static
+PyObject*
+create_python_module(const char *name, PyMethodDef* methtable){
+    PyObject* module = Py_InitModule(name, methtable);
+    if (module == NULL) return NULL;
+    return module;
+}
+
+#endif
+
+static
+PyObject*
+create_python_submodule(PyObject* parent, const char* name,
+                        PyMethodDef* methtable)
+{
+    const char* parentname = PyModule_GetName(parent);
+    const unsigned len_parent = strlen(parentname);
+    const unsigned len_sub = strlen(name);
+    const unsigned len = len_parent + 1 + len_sub;
+    char* fullname = new char[len + 1];
+    strcpy(fullname, parentname);
+    fullname[len_parent] = '.';
+    strcpy(fullname + len_parent + 1, name);
+    PyObject* submod = create_python_module(fullname, methtable);
+    delete [] fullname;
+    if (!submod)
+        return NULL;
+    if( -1 == PyModule_AddObject(parent, name, submod) )
+        return NULL;
+    return submod;
+}
+
+struct SubModuleEntry{
+    const char* name;
+    PyMethodDef* methtable;
+};
+
+static
+int populate_submodules(PyObject* parent, SubModuleEntry* entries){
+    for(SubModuleEntry* iter = entries; iter->name; ++iter){
+        if (!create_python_submodule(parent, iter->name, iter->methtable))
+            return 0;
+    }
+    return 1;
+}