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Full dynamic object system built on method_missing working

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This commit is contained in:
Jason Turner
2015-04-21 22:36:48 -06:00
parent dc746ee131
commit 90102cebd7
5 changed files with 111 additions and 17 deletions
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43
include/chaiscript/dispatchkit/dispatchkit.hpp
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@@ -813,27 +813,48 @@ namespace chaiscript
Boxed_Value call_member(const std::string &t_name, const std::vector<Boxed_Value> &params, bool t_has_params) const
{
auto funs = get_function(t_name);
const auto funs = get_function(t_name);
const auto do_attribute_call =
[this](int l_num_params, const std::vector<Boxed_Value> &l_params, const std::vector<Proxy_Function> &l_funs, const Type_Conversions &l_conversions)->Boxed_Value
{
std::vector<Boxed_Value> attr_params{l_params.begin(), l_params.begin() + l_num_params};
std::vector<Boxed_Value> remaining_params{l_params.begin() + l_num_params, l_params.end()};
Boxed_Value bv = dispatch::dispatch(l_funs, attr_params, l_conversions);
if (!remaining_params.empty() || bv.get_type_info().bare_equal(user_type<dispatch::Proxy_Function_Base>())) {
return (*boxed_cast<const dispatch::Proxy_Function_Base *>(bv))(remaining_params, l_conversions);
} else {
return bv;
}
};
if (is_attribute_call(funs, params, t_has_params)) {
std::vector<Boxed_Value> attr_params{params[0]};
std::vector<Boxed_Value> remaining_params{params.begin() + 1, params.end()};
Boxed_Value bv = dispatch::dispatch(funs, attr_params, m_conversions);
if (!remaining_params.empty() || bv.get_type_info().bare_equal(user_type<dispatch::Proxy_Function_Base>())) {
return (*boxed_cast<const dispatch::Proxy_Function_Base *>(bv))(remaining_params, m_conversions);
} else {
return bv;
}
return do_attribute_call(1, params, funs, m_conversions);
} else {
try {
return dispatch::dispatch(funs, params, m_conversions);
} catch(chaiscript::exception::dispatch_error&) {
auto functions = get_function("method_missing");
const auto functions = get_function("method_missing");
const bool is_no_param = [&]()->bool{
for (const auto &f : functions) {
if (f->get_arity() != 2) {
return false;
}
}
return true;
}();
if (!functions.empty()) {
std::vector<Boxed_Value> tmp_params(params);
tmp_params.insert(tmp_params.begin() + 1, var(t_name));
return dispatch::dispatch(functions, tmp_params, m_conversions);
if (is_no_param) {
return do_attribute_call(2, tmp_params, functions, m_conversions);
} else {
return dispatch::dispatch(functions, tmp_params, m_conversions);
}
}
throw;
}
}