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feat: enable to show function name in bad_cast

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This commit is contained in:
ToruNiina 2020-03-21 17:04:05 +09:00
parent bdf4e75122
commit 653c87592c
1 changed files with 73 additions and 42 deletions
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115
toml/value.hpp
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@ -39,13 +39,12 @@ void change_region(Value& v, Region&& reg)
return;
}
template<value_t Expected,
typename C, template<typename ...> class T, template<typename ...> class A>
template<value_t Expected, typename Value>
[[noreturn]] inline void
throw_bad_cast(value_t actual, const ::toml::basic_value<C, T, A>& v)
throw_bad_cast(const std::string& funcname, value_t actual, const Value& v)
{
throw type_error(detail::format_underline(concat_to_string(
"toml::value: bad_cast to ", Expected), {
throw type_error(detail::format_underline(
concat_to_string(funcname, "bad_cast to ", Expected), {
{std::addressof(get_region(v)),
concat_to_string("the actual type is ", actual)}
}), v.location());
@ -1341,7 +1340,7 @@ class basic_value
{
if(this->type_ != T)
{
detail::throw_bad_cast<T>(this->type_, *this);
detail::throw_bad_cast<T>("toml::value::cast: ", this->type_, *this);
}
return detail::switch_cast<T>::invoke(*this);
}
@ -1350,7 +1349,7 @@ class basic_value
{
if(this->type_ != T)
{
detail::throw_bad_cast<T>(this->type_, *this);
detail::throw_bad_cast<T>("toml::value::cast: ", this->type_, *this);
}
return detail::switch_cast<T>::invoke(*this);
}
@ -1359,7 +1358,7 @@ class basic_value
{
if(this->type_ != T)
{
detail::throw_bad_cast<T>(this->type_, *this);
detail::throw_bad_cast<T>("toml::value::cast: ", this->type_, *this);
}
return detail::switch_cast<T>::invoke(std::move(*this));
}
@ -1403,13 +1402,14 @@ class basic_value
// ========================================================================
// throw version
// ------------------------------------------------------------------------
// const reference
// const reference {{{
boolean const& as_boolean() const&
{
if(this->type_ != value_t::boolean)
{
detail::throw_bad_cast<value_t::boolean>(this->type_, *this);
detail::throw_bad_cast<value_t::boolean>(
"toml::value::as_boolean(): ", this->type_, *this);
}
return this->boolean_;
}
@ -1417,7 +1417,8 @@ class basic_value
{
if(this->type_ != value_t::integer)
{
detail::throw_bad_cast<value_t::integer>(this->type_, *this);
detail::throw_bad_cast<value_t::integer>(
"toml::value::as_integer(): ", this->type_, *this);
}
return this->integer_;
}
@ -1425,7 +1426,8 @@ class basic_value
{
if(this->type_ != value_t::floating)
{
detail::throw_bad_cast<value_t::floating>(this->type_, *this);
detail::throw_bad_cast<value_t::floating>(
"toml::value::as_floating(): ", this->type_, *this);
}
return this->floating_;
}
@ -1433,7 +1435,8 @@ class basic_value
{
if(this->type_ != value_t::string)
{
detail::throw_bad_cast<value_t::string>(this->type_, *this);
detail::throw_bad_cast<value_t::string>(
"toml::value::as_string(): ", this->type_, *this);
}
return this->string_;
}
@ -1441,7 +1444,8 @@ class basic_value
{
if(this->type_ != value_t::offset_datetime)
{
detail::throw_bad_cast<value_t::offset_datetime>(this->type_, *this);
detail::throw_bad_cast<value_t::offset_datetime>(
"toml::value::as_offset_datetime(): ", this->type_, *this);
}
return this->offset_datetime_;
}
@ -1449,7 +1453,8 @@ class basic_value
{
if(this->type_ != value_t::local_datetime)
{
detail::throw_bad_cast<value_t::local_datetime>(this->type_, *this);
detail::throw_bad_cast<value_t::local_datetime>(
"toml::value::as_local_datetime(): ", this->type_, *this);
}
return this->local_datetime_;
}
@ -1457,7 +1462,8 @@ class basic_value
{
if(this->type_ != value_t::local_date)
{
detail::throw_bad_cast<value_t::local_date>(this->type_, *this);
detail::throw_bad_cast<value_t::local_date>(
"toml::value::as_local_date(): ", this->type_, *this);
}
return this->local_date_;
}
@ -1465,7 +1471,8 @@ class basic_value
{
if(this->type_ != value_t::local_time)
{
detail::throw_bad_cast<value_t::local_time>(this->type_, *this);
detail::throw_bad_cast<value_t::local_time>(
"toml::value::as_local_time(): ", this->type_, *this);
}
return this->local_time_;
}
@ -1473,7 +1480,8 @@ class basic_value
{
if(this->type_ != value_t::array)
{
detail::throw_bad_cast<value_t::array>(this->type_, *this);
detail::throw_bad_cast<value_t::array>(
"toml::value::as_array(): ", this->type_, *this);
}
return this->array_.value();
}
@ -1481,19 +1489,21 @@ class basic_value
{
if(this->type_ != value_t::table)
{
detail::throw_bad_cast<value_t::table>(this->type_, *this);
detail::throw_bad_cast<value_t::table>(
"toml::value::as_table(): ", this->type_, *this);
}
return this->table_.value();
}
// }}}
// ------------------------------------------------------------------------
// nonconst reference
// nonconst reference {{{
boolean & as_boolean() &
{
if(this->type_ != value_t::boolean)
{
detail::throw_bad_cast<value_t::boolean>(this->type_, *this);
detail::throw_bad_cast<value_t::boolean>(
"toml::value::as_boolean(): ", this->type_, *this);
}
return this->boolean_;
}
@ -1501,7 +1511,8 @@ class basic_value
{
if(this->type_ != value_t::integer)
{
detail::throw_bad_cast<value_t::integer>(this->type_, *this);
detail::throw_bad_cast<value_t::integer>(
"toml::value::as_integer(): ", this->type_, *this);
}
return this->integer_;
}
@ -1509,7 +1520,8 @@ class basic_value
{
if(this->type_ != value_t::floating)
{
detail::throw_bad_cast<value_t::floating>(this->type_, *this);
detail::throw_bad_cast<value_t::floating>(
"toml::value::as_floating(): ", this->type_, *this);
}
return this->floating_;
}
@ -1517,7 +1529,8 @@ class basic_value
{
if(this->type_ != value_t::string)
{
detail::throw_bad_cast<value_t::string>(this->type_, *this);
detail::throw_bad_cast<value_t::string>(
"toml::value::as_string(): ", this->type_, *this);
}
return this->string_;
}
@ -1525,7 +1538,8 @@ class basic_value
{
if(this->type_ != value_t::offset_datetime)
{
detail::throw_bad_cast<value_t::offset_datetime>(this->type_, *this);
detail::throw_bad_cast<value_t::offset_datetime>(
"toml::value::as_offset_datetime(): ", this->type_, *this);
}
return this->offset_datetime_;
}
@ -1533,7 +1547,8 @@ class basic_value
{
if(this->type_ != value_t::local_datetime)
{
detail::throw_bad_cast<value_t::local_datetime>(this->type_, *this);
detail::throw_bad_cast<value_t::local_datetime>(
"toml::value::as_local_datetime(): ", this->type_, *this);
}
return this->local_datetime_;
}
@ -1541,7 +1556,8 @@ class basic_value
{
if(this->type_ != value_t::local_date)
{
detail::throw_bad_cast<value_t::local_date>(this->type_, *this);
detail::throw_bad_cast<value_t::local_date>(
"toml::value::as_local_date(): ", this->type_, *this);
}
return this->local_date_;
}
@ -1549,7 +1565,8 @@ class basic_value
{
if(this->type_ != value_t::local_time)
{
detail::throw_bad_cast<value_t::local_time>(this->type_, *this);
detail::throw_bad_cast<value_t::local_time>(
"toml::value::as_local_time(): ", this->type_, *this);
}
return this->local_time_;
}
@ -1557,7 +1574,8 @@ class basic_value
{
if(this->type_ != value_t::array)
{
detail::throw_bad_cast<value_t::array>(this->type_, *this);
detail::throw_bad_cast<value_t::array>(
"toml::value::as_array(): ", this->type_, *this);
}
return this->array_.value();
}
@ -1565,19 +1583,22 @@ class basic_value
{
if(this->type_ != value_t::table)
{
detail::throw_bad_cast<value_t::table>(this->type_, *this);
detail::throw_bad_cast<value_t::table>(
"toml::value::as_table(): ", this->type_, *this);
}
return this->table_.value();
}
// }}}
// ------------------------------------------------------------------------
// rvalue reference
// rvalue reference {{{
boolean && as_boolean() &&
{
if(this->type_ != value_t::boolean)
{
detail::throw_bad_cast<value_t::boolean>(this->type_, *this);
detail::throw_bad_cast<value_t::boolean>(
"toml::value::as_boolean(): ", this->type_, *this);
}
return std::move(this->boolean_);
}
@ -1585,7 +1606,8 @@ class basic_value
{
if(this->type_ != value_t::integer)
{
detail::throw_bad_cast<value_t::integer>(this->type_, *this);
detail::throw_bad_cast<value_t::integer>(
"toml::value::as_integer(): ", this->type_, *this);
}
return std::move(this->integer_);
}
@ -1593,7 +1615,8 @@ class basic_value
{
if(this->type_ != value_t::floating)
{
detail::throw_bad_cast<value_t::floating>(this->type_, *this);
detail::throw_bad_cast<value_t::floating>(
"toml::value::as_floating(): ", this->type_, *this);
}
return std::move(this->floating_);
}
@ -1601,7 +1624,8 @@ class basic_value
{
if(this->type_ != value_t::string)
{
detail::throw_bad_cast<value_t::string>(this->type_, *this);
detail::throw_bad_cast<value_t::string>(
"toml::value::as_string(): ", this->type_, *this);
}
return std::move(this->string_);
}
@ -1609,7 +1633,8 @@ class basic_value
{
if(this->type_ != value_t::offset_datetime)
{
detail::throw_bad_cast<value_t::offset_datetime>(this->type_, *this);
detail::throw_bad_cast<value_t::offset_datetime>(
"toml::value::as_offset_datetime(): ", this->type_, *this);
}
return std::move(this->offset_datetime_);
}
@ -1617,7 +1642,8 @@ class basic_value
{
if(this->type_ != value_t::local_datetime)
{
detail::throw_bad_cast<value_t::local_datetime>(this->type_, *this);
detail::throw_bad_cast<value_t::local_datetime>(
"toml::value::as_local_datetime(): ", this->type_, *this);
}
return std::move(this->local_datetime_);
}
@ -1625,7 +1651,8 @@ class basic_value
{
if(this->type_ != value_t::local_date)
{
detail::throw_bad_cast<value_t::local_date>(this->type_, *this);
detail::throw_bad_cast<value_t::local_date>(
"toml::value::as_local_date(): ", this->type_, *this);
}
return std::move(this->local_date_);
}
@ -1633,7 +1660,8 @@ class basic_value
{
if(this->type_ != value_t::local_time)
{
detail::throw_bad_cast<value_t::local_time>(this->type_, *this);
detail::throw_bad_cast<value_t::local_time>(
"toml::value::as_local_time(): ", this->type_, *this);
}
return std::move(this->local_time_);
}
@ -1641,7 +1669,8 @@ class basic_value
{
if(this->type_ != value_t::array)
{
detail::throw_bad_cast<value_t::array>(this->type_, *this);
detail::throw_bad_cast<value_t::array>(
"toml::value::as_array(): ", this->type_, *this);
}
return std::move(this->array_.value());
}
@ -1649,10 +1678,12 @@ class basic_value
{
if(this->type_ != value_t::table)
{
detail::throw_bad_cast<value_t::table>(this->type_, *this);
detail::throw_bad_cast<value_t::table>(
"toml::value::as_table(): ", this->type_, *this);
}
return std::move(this->table_.value());
}
// }}}
// accessors =============================================================
//