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#pragma once
#include "attributes.h"
#include <util/generic/hash.h>
#include <exception>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
// This is poor man's version of NYT::TErrorException to be used in
// a limited subset of core libraries that are needed to implement NYT::TError.
class TSimpleException
: public std::exception
{
public:
using TAttributes = THashMap<
TExceptionAttribute::TKey,
TExceptionAttribute::TValue>;
template <class TValue>
static constexpr bool CNestable = requires (TSimpleException& ex, TValue&& operand) {
{ ex <<= std::forward<TValue>(operand) } -> std::same_as<TSimpleException&>;
};
explicit TSimpleException(TString message);
TSimpleException(
const std::exception& exception,
TString message);
const std::exception_ptr& GetInnerException() const;
const char* what() const noexcept override;
const TString& GetMessage() const;
const TAttributes& GetAttributes() const &;
TAttributes&& GetAttributes() &&;
TSimpleException& operator<<= (TExceptionAttribute&& attribute) &;
TSimpleException& operator<<= (std::vector<TExceptionAttribute>&& attributes) &;
TSimpleException& operator<<= (TAttributes&& attributes) &;
TSimpleException& operator<<= (const TExceptionAttribute& attribute) &;
TSimpleException& operator<<= (const std::vector<TExceptionAttribute>& attributes) &;
TSimpleException& operator<<= (const TAttributes& attributes) &;
// NB: clang is incapable of parsing such requirements (which refer back to the class) out-of-line.
// To keep this overload from winning in resolution
// when constraint actually fails, we define method right here.
template <class TValue>
requires CNestable<TValue>
TSimpleException&& operator<< (TValue&& value) &&
{
return std::move(*this <<= std::forward<TValue>(value));
}
template <class TValue>
requires CNestable<TValue>
TSimpleException operator<< (TValue&& value) const &
{
return TSimpleException(*this) << std::forward<TValue>(value);
}
private:
const std::exception_ptr InnerException_;
const TString Message_;
const TString What_;
TAttributes Attributes_;
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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