80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
// This file is distributed under the BSD License.
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// See "license.txt" for details.
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// Copyright 2009, Jonathan Turner (jturner@minnow-lang.org)
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// and Jason Turner (lefticus@gmail.com)
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// http://www.chaiscript.com
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#include <boost/preprocessor.hpp>
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#ifndef BOOST_PP_IS_ITERATING
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#ifndef __register_function_hpp__
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#define __register_function_hpp__
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#include "dispatchkit.hpp"
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#include <boost/function.hpp>
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#include <boost/bind.hpp>
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namespace dispatchkit
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{
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/**
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* Helper function for register_member function
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*/
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template<typename T, typename Class>
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T &get_member(T Class::* m, Class *obj)
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{
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return (obj->*m);
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}
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/**
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* Automatically create a get_member helper function for an object
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* to allow for runtime dispatched access to public data members
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* for example, the case of std::pair<>::first and std::pair<>::second
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*/
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template<typename T, typename Class>
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void register_member(Dispatch_Engine &s, T Class::* m, const std::string &name)
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{
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s.register_function(boost::function<T& (Class *)>(boost::bind(&get_member<T, Class>, m, _1)), name);
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}
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}
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#define BOOST_PP_ITERATION_LIMITS ( 0, 10 )
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#define BOOST_PP_FILENAME_1 <chaiscript/dispatchkit/register_function.hpp>
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#include BOOST_PP_ITERATE()
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# endif
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#else
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# define n BOOST_PP_ITERATION()
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namespace dispatchkit
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{
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/**
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* Register a global function of n parameters with name
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*/
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template<typename Ret BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param)>
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void register_function(Dispatch_Engine &s, Ret (*f)(BOOST_PP_ENUM_PARAMS(n, Param)), const std::string &name)
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{
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s.register_function(boost::function<Ret (BOOST_PP_ENUM_PARAMS(n, Param))>(f), name);
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}
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/**
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* Register a class method of n parameters with name
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*/
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template<typename Ret, typename Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param)>
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void register_function(Dispatch_Engine &s, Ret (Class::*f)(BOOST_PP_ENUM_PARAMS(n, Param)), const std::string &name)
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{
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s.register_function(boost::function<Ret (Class* BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, Param))>(f), name);
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}
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/**
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* Register a const class method of n parameters with name
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*/
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template<typename Ret, typename Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param)>
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void register_function(Dispatch_Engine &s, Ret (Class::*f)(BOOST_PP_ENUM_PARAMS(n, Param))const, const std::string &name)
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{
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s.register_function(boost::function<Ret (const Class* BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, Param))>(f), name);
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}
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}
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#endif
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