Add better namespaces to make documentation easier to handle
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@@ -28,43 +28,50 @@
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namespace chaiscript
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{
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/**
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* Exception thrown when there is a mismatch in number of
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* parameters during Proxy_Function execution
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*/
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struct arity_error : std::range_error
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namespace exception
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{
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arity_error(int t_got, int t_expected)
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: std::range_error("Function dispatch arity mismatch"),
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got(t_got), expected(t_expected)
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/**
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* Exception thrown when there is a mismatch in number of
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* parameters during Proxy_Function execution
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*/
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struct arity_error : std::range_error
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{
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}
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virtual ~arity_error() throw() {}
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int got;
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int expected;
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};
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template<typename Ret>
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struct Do_Call
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{
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template<typename Fun>
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static Boxed_Value go(const boost::function<Fun> &fun, const std::vector<Boxed_Value> ¶ms)
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arity_error(int t_got, int t_expected)
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: std::range_error("Function dispatch arity mismatch"),
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got(t_got), expected(t_expected)
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{
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return Handle_Return<Ret>::handle(call_func(fun, params));
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}
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};
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template<>
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struct Do_Call<void>
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{
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template<typename Fun>
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static Boxed_Value go(const boost::function<Fun> &fun, const std::vector<Boxed_Value> ¶ms)
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{
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call_func(fun, params);
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return Handle_Return<void>::handle();
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};
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virtual ~arity_error() throw() {}
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int got;
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int expected;
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};
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}
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namespace detail
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{
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template<typename Ret>
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struct Do_Call
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{
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template<typename Fun>
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static Boxed_Value go(const boost::function<Fun> &fun, const std::vector<Boxed_Value> ¶ms)
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{
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return Handle_Return<Ret>::handle(call_func(fun, params));
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}
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};
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template<>
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struct Do_Call<void>
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{
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template<typename Fun>
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static Boxed_Value go(const boost::function<Fun> &fun, const std::vector<Boxed_Value> ¶ms)
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{
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call_func(fun, params);
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return Handle_Return<void>::handle();
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};
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};
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}
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}
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#define BOOST_PP_ITERATION_LIMITS ( 0, 10 )
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@@ -78,57 +85,59 @@ namespace chaiscript
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namespace chaiscript
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{
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/**
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* Used by Proxy_Function_Impl to return a list of all param types
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* it contains.
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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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std::vector<Type_Info> build_param_type_list(Ret (*)(BOOST_PP_ENUM_PARAMS(n, Param)))
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{
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std::vector<Type_Info> ti;
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ti.push_back(detail::Get_Type_Info<Ret>::get());
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BOOST_PP_REPEAT(n, gettypeinfo, ~)
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return ti;
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}
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/**
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* Used by Proxy_Function_Impl to perform typesafe execution of a function.
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* The function attempts to unbox each paramter to the expected type.
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* if any unboxing fails the execution of the function fails and
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* the bad_boxed_cast is passed up to the caller.
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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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Ret call_func(const boost::function<Ret (BOOST_PP_ENUM_PARAMS(n, Param))> &f,
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const std::vector<Boxed_Value> ¶ms)
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{
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if (params.size() != n)
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namespace detail
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{
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/**
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* Used by Proxy_Function_Impl to return a list of all param types
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* it contains.
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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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std::vector<Type_Info> build_param_type_list(Ret (*)(BOOST_PP_ENUM_PARAMS(n, Param)))
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{
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throw arity_error(static_cast<int>(params.size()), n);
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} else {
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return f(BOOST_PP_REPEAT(n, casthelper, ~));
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}
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}
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std::vector<Type_Info> ti;
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ti.push_back(detail::Get_Type_Info<Ret>::get());
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/**
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* Used by Proxy_Function_Impl to determine if it is equivalent to another
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* Proxy_Function_Impl object. This function is primarly used to prevent
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* registration of two functions with the exact same signatures
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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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bool compare_types_cast(Ret (*)(BOOST_PP_ENUM_PARAMS(n, Param)),
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const std::vector<Boxed_Value> & BOOST_PP_IF(n, params, ))
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{
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try {
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BOOST_PP_REPEAT(n, trycast, ~);
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} catch (const bad_boxed_cast &) {
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return false;
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BOOST_PP_REPEAT(n, gettypeinfo, ~)
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return ti;
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}
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return true;
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}
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/**
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* Used by Proxy_Function_Impl to perform typesafe execution of a function.
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* The function attempts to unbox each paramter to the expected type.
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* if any unboxing fails the execution of the function fails and
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* the bad_boxed_cast is passed up to the caller.
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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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Ret call_func(const boost::function<Ret (BOOST_PP_ENUM_PARAMS(n, Param))> &f,
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const std::vector<Boxed_Value> ¶ms)
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{
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if (params.size() != n)
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{
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throw exception::arity_error(static_cast<int>(params.size()), n);
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} else {
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return f(BOOST_PP_REPEAT(n, casthelper, ~));
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}
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}
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/**
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* Used by Proxy_Function_Impl to determine if it is equivalent to another
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* Proxy_Function_Impl object. This function is primarly used to prevent
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* registration of two functions with the exact same signatures
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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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bool compare_types_cast(Ret (*)(BOOST_PP_ENUM_PARAMS(n, Param)),
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const std::vector<Boxed_Value> & BOOST_PP_IF(n, params, ))
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{
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try {
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BOOST_PP_REPEAT(n, trycast, ~);
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} catch (const exception::bad_boxed_cast &) {
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return false;
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}
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return true;
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}
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}
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}
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#undef n
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