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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* $Rev$ $Date$ */
+
+#ifndef tuscany_python_driver_hpp
+#define tuscany_python_driver_hpp
+
+/**
+ * Python evaluator main driver loop.
+ */
+
+#include "string.hpp"
+#include "stream.hpp"
+#include "monad.hpp"
+#include "../scheme/driver.hpp"
+#include "eval.hpp"
+
+namespace tuscany {
+namespace python {
+
+const value evalDriverLoop(PyObject* script, istream& in, ostream& out) {
+ scheme::promptForInput(scheme::evalInputPrompt, out);
+ value input = scheme::readValue(in);
+ if (isNil(input))
+ return input;
+ const failable<value> output = evalScript(input, script);
+ scheme::announceOutput(scheme::evalOutputPrompt, out);
+ scheme::userPrint(content(output), out);
+ return evalDriverLoop(script, in, out);
+}
+
+const bool evalDriverRun(const char* path, istream& in, ostream& out) {
+ PythonRuntime py;
+ scheme::setupDisplay(out);
+ ifstream is(path);
+ failable<PyObject*> script = readScript(moduleName(path), path, is);
+ if (!hasContent(script))
+ return true;
+ evalDriverLoop(content(script), in, out);
+ Py_DECREF(content(script));
+ return true;
+}
+
+}
+}
+#endif /* tuscany_python_driver_hpp */