97 lines
3 KiB
C++
97 lines
3 KiB
C++
/*
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* Copyright (c) 2003-2009, John Wiegley. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of New Artisans LLC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "pyinterp.h"
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#include "pyutils.h"
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#include "scope.h"
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namespace ledger {
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using namespace boost::python;
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namespace {
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void py_scope_define(scope_t& scope, const string& name, expr_t& def)
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{
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return scope.define(name, def.get_op());
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}
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expr_t py_scope_lookup(scope_t& scope, const string& name)
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{
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return scope.lookup(name);
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}
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value_t py_scope_getattr(scope_t& scope, const string& name)
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{
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return expr_t(scope.lookup(name)).calc(scope);
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}
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struct scope_wrapper : public scope_t
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{
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PyObject * self;
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scope_wrapper(PyObject * self_) : self(self_) {}
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virtual expr_t::ptr_op_t lookup(const string&) {
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return NULL;
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}
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};
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}
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void export_scope()
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{
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class_< scope_t, scope_wrapper, boost::noncopyable > ("Scope", no_init)
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.def("define", py_scope_define)
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.def("lookup", py_scope_lookup)
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.def("__getattr__", py_scope_getattr)
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;
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class_< child_scope_t, bases<scope_t>,
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boost::noncopyable > ("ChildScope")
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.def(init<>())
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.def(init<scope_t&>())
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;
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class_< symbol_scope_t, bases<child_scope_t>,
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boost::noncopyable > ("SymbolScope")
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.def(init<>())
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.def(init<scope_t&>())
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;
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class_< call_scope_t, bases<child_scope_t>,
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boost::noncopyable > ("CallScope", init<scope_t&>())
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;
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class_< bind_scope_t, bases<child_scope_t>,
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boost::noncopyable > ("BindScope", init<scope_t&, scope_t&>())
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;
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}
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} // namespace ledger
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