100 lines
4.0 KiB
C++
100 lines
4.0 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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// and Jason Turner (jason@emptycrate.com)
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// http://www.chaiscript.com
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#ifndef CHAISCRIPT_UTILITY_UTILITY_HPP_
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#define CHAISCRIPT_UTILITY_UTILITY_HPP_
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#include "../chaiscript.hpp"
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#include <boost/preprocessor.hpp>
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#include <string>
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#define CHAISCRIPT_MODULE(_info) BOOST_PP_SEQ_ELEM(0, _info)
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#define CHAISCRIPT_CLASS_ELEM(_info) BOOST_PP_SEQ_ELEM(1, _info)
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#define CHAISCRIPT_METHOD(_info, _method) & CHAISCRIPT_CLASS_ELEM(_info) :: BOOST_PP_SEQ_ELEM(0, _method)
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#define CHAISCRIPT_METHOD_NAME(_info, _method) \
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BOOST_PP_SEQ_ELEM(3, _info) (BOOST_PP_STRINGIZE(BOOST_PP_SEQ_ELEM(0, _method ) ) )
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#define CHAISCRIPT_CLASS_NAME(_info) \
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BOOST_PP_SEQ_ELEM(2, _info) (BOOST_PP_STRINGIZE(CHAISCRIPT_CLASS_ELEM(_info) ) )
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#define CHAISCRIPT_METHOD_SIGNATURE_PART(_r, _info, _i, _method_part) \
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BOOST_PP_EXPR_IF(BOOST_PP_EQUAL(_i, 1), < _method_part > )
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#define CHAISCRIPT_METHOD_SIGNATURE(_info, _method) \
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BOOST_PP_SEQ_FOR_EACH_I(CHAISCRIPT_METHOD_SIGNATURE_PART, _info, _method)
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#define CHAISCRIPT_CLASS_CONSTRUCTOR(_r, _info, _constructor) \
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CHAISCRIPT_MODULE(_info) ->add BOOST_PP_LPAREN() chaiscript::constructor<_constructor>() BOOST_PP_COMMA() CHAISCRIPT_CLASS_NAME(_info) BOOST_PP_RPAREN() ;
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#define CHAISCRIPT_CLASS_METHOD(_r, _info, _method) \
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CHAISCRIPT_MODULE(_info) ->add BOOST_PP_LPAREN() chaiscript::fun CHAISCRIPT_METHOD_SIGNATURE(_info, _method) \
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BOOST_PP_LPAREN() CHAISCRIPT_METHOD(_info, _method) BOOST_PP_RPAREN() BOOST_PP_COMMA() CHAISCRIPT_METHOD_NAME(_info, _method)BOOST_PP_RPAREN() ;
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#define CHAISCRIPT_CLASS_CONSTRUCTORS(_info, _constructors) \
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BOOST_PP_SEQ_FOR_EACH(CHAISCRIPT_CLASS_CONSTRUCTOR, _info, _constructors)
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#define CHAISCRIPT_CLASS_METHODS(_info, _methods) \
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BOOST_PP_SEQ_FOR_EACH(CHAISCRIPT_CLASS_METHOD, _info, _methods)
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#define CHAISCRIPT_CLASS_EX(_module, _class_name, _class_name_translator, _method_name_translator, _constructors, _methods) \
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{ \
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_module->add(chaiscript::user_type<_class_name>(), _class_name_translator (BOOST_PP_STRINGIZE(_class_name))); \
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CHAISCRIPT_CLASS_CONSTRUCTORS((_module)(_class_name)(_class_name_translator), _constructors) \
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CHAISCRIPT_CLASS_METHODS((_module)(_class_name)(_class_name_translator)(_method_name_translator), _methods) \
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}
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#define CHAISCRIPT_CLASS_NO_CONSTRUCTOR_EX(_module, _class_name, _class_name_translator, _method_name_translator, _methods) \
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{ \
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_module->add(chaiscript::user_type<_class_name>(), _class_name_translator (BOOST_PP_STRINGIZE(_class_name))); \
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CHAISCRIPT_CLASS_METHODS((_module)(_class_name)(_class_name_translator)(_method_name_translator), _methods) \
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}
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#define CHAISCRIPT_CLASS(_module, _class_name, _constructors, _methods) \
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CHAISCRIPT_CLASS_EX(_module, _class_name, chaiscript::utility::class_name_translator, \
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chaiscript::utility::method_name_translator, _constructors, _methods)
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#define CHAISCRIPT_CLASS_NO_CONSTRUCTOR(_module, _class_name, _methods) \
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CHAISCRIPT_CLASS_NO_CONSTRUCTOR_EX(_module, _class_name, chaiscript::utility::class_name_translator, \
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chaiscript::utility::method_name_translator, _methods)
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namespace chaiscript
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{
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/// \brief Classes and functions which provide general utility to the end user.
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namespace utility
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{
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inline std::string class_name_translator(const std::string &t_name)
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{
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size_t colon = t_name.rfind("::");
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if (colon != std::string::npos)
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{
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return t_name.substr(colon+2, std::string::npos);
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} else {
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return t_name;
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}
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}
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inline std::string method_name_translator(const std::string &t_name)
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{
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size_t namestart = t_name.rfind("operator");
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namestart = (namestart == std::string::npos)?0:namestart+strlen("operator");
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if (namestart == 0)
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{
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namestart = t_name.rfind("::");
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namestart = (namestart == std::string::npos)?0:namestart+strlen("::");
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}
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return t_name.substr(namestart, std::string::npos);
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}
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}
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}
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#endif
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