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nicer error message for invalid function arguments

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Wenzel Jakob
2016-09-12 11:44:37 +09:00
parent b3794f1087
commit e99ebaedcf
6 changed files with 24 additions and 16 deletions
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8
include/pybind11/pybind11.h
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@@ -460,8 +460,10 @@ protected:
if (overloads->is_operator)
return handle(Py_NotImplemented).inc_ref().ptr();
std::string msg = "Incompatible " + std::string(overloads->is_constructor ? "constructor" : "function") +
" arguments. The following argument types are supported:\n";
std::string msg = std::string(overloads->name) + "(): incompatible " +
std::string(overloads->is_constructor ? "constructor" : "function") +
" arguments. The following argument types are supported:\n";
int ctr = 0;
for (detail::function_record *it2 = overloads; it2 != nullptr; it2 = it2->next) {
msg += " "+ std::to_string(++ctr) + ". ";
@@ -489,7 +491,7 @@ protected:
msg += "\n";
}
msg += " Invoked with: ";
msg += "\nInvoked with: ";
tuple args_(args, true);
for (size_t ti = overloads->is_constructor ? 1 : 0; ti < args_.size(); ++ti) {
msg += static_cast<std::string>(static_cast<object>(args_[ti]).str());