59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
// This file is distributed under the BSD License.
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// See "license.txt" for details.
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// Copyright 2009-2012, Jonathan Turner (jonathan@emptycrate.com)
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// Copyright 2009-2014, Jason Turner (jason@emptycrate.com)
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// http://www.chaiscript.com
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#ifndef CHAISCRIPT_PROXY_CONSTRUCTORS_HPP_
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#define CHAISCRIPT_PROXY_CONSTRUCTORS_HPP_
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namespace chaiscript
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{
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namespace dispatch
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{
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namespace detail
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{
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/**
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* A constructor function, used for creating a new object
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* of a given type with a given set of params
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*/
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template<typename Class, typename ... Params>
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std::shared_ptr<Class> constructor_(Params ... params)
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{
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return std::make_shared<Class>(params...);
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}
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template<typename Class, typename ... Params >
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Proxy_Function build_constructor_(Class (*)(Params...))
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{
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typedef std::shared_ptr<Class> (sig)(Params...);
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return Proxy_Function(new Proxy_Function_Impl<sig>(std::function<sig>(&(constructor_<Class, Params...>))));
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}
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}
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}
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/// \brief Generates a constructor function for use with ChaiScript
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///
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/// \tparam T The signature of the constructor to generate. In the form of: ClassType (ParamType1, ParamType2, ...)
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///
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/// Example:
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/// \code
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/// chaiscript::ChaiScript chai;
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/// // Create a new function that creates a MyClass object using the (int, float) constructor
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/// // and call that function "MyClass" so that it appears as a normal constructor to the user.
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/// chai.add(constructor<MyClass (int, float)>(), "MyClass");
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/// \endcode
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template<typename T>
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Proxy_Function constructor()
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{
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T *f = nullptr;
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return (dispatch::detail::build_constructor_(f));
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}
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}
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#endif
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