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authorJohn Wiegley <johnw@newartisans.com>2008-08-05 13:17:04 -0400
committerJohn Wiegley <johnw@newartisans.com>2008-08-05 18:05:49 -0400
commitf6f4a46cf5b14f9a2170cd6475958efbf320caec (patch)
tree05bc1defcdebc201de3dd10477483d906a842821 /pyinterp.h
parentb7970b29855563e4c67f85af8b31233eda80c22a (diff)
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Moved around most of the files so that source code is in src/, documentation
is in doc/, etc.
Diffstat (limited to 'pyinterp.h')
-rw-r--r--pyinterp.h118
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diff --git a/pyinterp.h b/pyinterp.h
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-/*
- * Copyright (c) 2003-2008, John Wiegley. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of New Artisans LLC nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _PYINTERP_H
-#define _PYINTERP_H
-
-#include "scope.h"
-
-#include <boost/python.hpp>
-#include <Python.h>
-
-namespace ledger {
-
-class python_interpreter_t : public noncopyable, public scope_t
-{
- boost::python::handle<> mmodule;
-
- python_interpreter_t();
-
-public:
- boost::python::dict nspace;
-
- python_interpreter_t(expr_t::scope_t& parent);
-
- virtual ~python_interpreter_t() {
- TRACE_DTOR(python_interpreter_t);
-
- Py_Finalize();
- }
-
- boost::python::object import(const string& name);
-
- enum py_eval_mode_t {
- PY_EVAL_EXPR,
- PY_EVAL_STMT,
- PY_EVAL_MULTI
- };
-
- boost::python::object eval(std::istream& in,
- py_eval_mode_t mode = PY_EVAL_EXPR);
- boost::python::object eval(const string& str,
- py_eval_mode_t mode = PY_EVAL_EXPR);
- boost::python::object eval(const char * c_str,
- py_eval_mode_t mode = PY_EVAL_EXPR) {
- string str(c_str);
- return eval(str, mode);
- }
-
- class functor_t {
- functor_t();
- protected:
- boost::python::object func;
- public:
- functor_t(const string& name, boost::python::object _func) : func(_func) {
- TRACE_CTOR(functor_t, "const string&, boost::python::object");
- }
- functor_t(const functor_t& other) : func(other.func) {
- TRACE_CTOR(functor_t, "copy");
- }
- virtual ~functor_t() throw() {
- TRACE_DTOR(functor_t);
- }
- virtual value_t operator()(expr_t::call_scope_t& args);
- };
-
- virtual expr_t::ptr_op_t lookup(const string& name) {
- if (boost::python::object func = eval(name))
- return WRAP_FUNCTOR(functor_t(name, func));
- return expr_t::ptr_op_t();
- }
-
- class lambda_t : public functor_t {
- lambda_t();
- public:
- lambda_t(boost::python::object code) : functor_t("<lambda>", code) {
- TRACE_CTOR(functor_t, "boost::python::object");
- }
- lambda_t(const lambda_t& other) : functor_t(other) {
- TRACE_CTOR(lambda_t, "copy");
- }
- virtual ~lambda_t() throw() {
- TRACE_DTOR(lambda_t);
- }
- virtual value_t operator()(expr_t::call_scope_t& args);
- };
-};
-
-} // namespace ledger
-
-#endif // _PYINTERP_H