73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
// This file is distributed under the BSD License.
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// See "license.txt" for details.
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// Copyright 2009-2010, 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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#ifndef __function_call_hpp__
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#define __function_call_hpp__
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#include <boost/shared_ptr.hpp>
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#include <boost/bind.hpp>
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#include <boost/function.hpp>
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#include <string>
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#include <vector>
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#include "proxy_functions.hpp"
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#include "function_call_detail.hpp"
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namespace chaiscript
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{
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/**
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* Build a function caller that knows how to dispatch on a set of functions
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* example:
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* boost::function<void (int)> f =
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* build_function_caller(dispatchkit.get_function("print"));
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* \returns A boost::function object for dispatching
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* \param[in] funcs the set of functions to dispatch on.
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*/
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template<typename FunctionType>
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boost::function<FunctionType>
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functor(const std::vector<std::pair<std::string, Const_Proxy_Function > > &funcs)
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{
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FunctionType *p=0;
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return detail::build_function_caller_helper(p, funcs);
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}
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/**
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* Build a function caller for a particular Proxy_Function object
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* useful in the case that a function is being pass out from scripting back
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* into code
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* example:
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* void my_function(Proxy_Function f)
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* {
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* boost::function<void (int)> local_f =
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* build_function_caller(f);
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* }
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* \returns A boost::function object for dispatching
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* \param[in] func A function to execute.
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*/
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template<typename FunctionType>
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boost::function<FunctionType>
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functor(Const_Proxy_Function func)
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{
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std::vector<std::pair<std::string, Const_Proxy_Function > > funcs;
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funcs.push_back(std::make_pair(std::string(), func));
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return functor<FunctionType>(funcs);
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}
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/**
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* Helper for automatically unboxing a Boxed_Value that contains a function object
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* and creating a typesafe C++ function caller from it.
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*/
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template<typename FunctionType>
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boost::function<FunctionType>
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functor(const Boxed_Value &bv)
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{
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return functor<FunctionType>(boxed_cast<Const_Proxy_Function >(bv));
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}
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}
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#endif
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