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Improve error handling

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This commit is contained in:
Victor Zverovich 2017-11-18 09:16:35 -08:00
parent dc104cbaaa
commit 093e2a4780
1 changed files with 12 additions and 8 deletions
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20
include/fmt/format.h
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@ -2243,10 +2243,11 @@ class specs_checker : public Handler {
internal::type arg_type_;
};
template <template <typename> class Handler, typename T, typename Context>
constexpr void set_dynamic_spec(T &value, basic_arg<Context> arg) {
error_handler eh;
unsigned long long big_value = visit(Handler<error_handler>(eh), arg);
template <template <typename> class Handler, typename T,
typename Context, typename ErrorHandler>
constexpr void set_dynamic_spec(
T &value, basic_arg<Context> arg, ErrorHandler eh) {
unsigned long long big_value = visit(Handler<ErrorHandler>(eh), arg);
if (big_value > (std::numeric_limits<int>::max)())
eh.on_error("number is too big");
value = static_cast<int>(big_value);
@ -2265,13 +2266,14 @@ class specs_handler: public specs_setter<typename Context::char_type> {
template <typename Id>
constexpr void on_dynamic_width(Id arg_id) {
set_dynamic_spec<width_checker>(this->specs_.width_, get_arg(arg_id));
set_dynamic_spec<width_checker>(
this->specs_.width_, get_arg(arg_id), context_.error_handler());
}
template <typename Id>
constexpr void on_dynamic_precision(Id arg_id) {
set_dynamic_spec<precision_checker>(
this->specs_.precision_, get_arg(arg_id));
this->specs_.precision_, get_arg(arg_id), context_.error_handler());
}
void on_error(const char *message) {
@ -2674,10 +2676,12 @@ void handle_dynamic_spec(
case arg_ref<Char>::NONE:
break;
case arg_ref<Char>::INDEX:
internal::set_dynamic_spec<Handler>(value, ctx.get_arg(ref.index));
internal::set_dynamic_spec<Handler>(
value, ctx.get_arg(ref.index), ctx.error_handler());
break;
case arg_ref<Char>::NAME:
internal::set_dynamic_spec<Handler>(value, ctx.get_arg(ref.name));
internal::set_dynamic_spec<Handler>(
value, ctx.get_arg(ref.name), ctx.error_handler());
break;
}
}