errors.cpp
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#include "crucible/parsing/errors.inl"
namespace crucible::parsing::errors {
namespace {
struct FormatForParsingError final {
auto operator()(AmbiguousMatch const &) const -> std::string {
return "Ambiguous match";
}
auto operator()(UnexpectedInput const &) const -> std::string {
return "Unexpected input";
}
auto operator()(UnexpectedEndOfInput const &) const -> std::string {
return "Unexpected end of input";
}
};
struct SourceForParsingError final {
auto operator()(AmbiguousMatch const &) const -> std::optional<std::reference_wrapper<core::errors::AbstractError const>> {
return std::nullopt;
}
auto operator()(UnexpectedInput const &) const -> std::optional<std::reference_wrapper<core::errors::AbstractError const>> {
return std::nullopt;
}
auto operator()(UnexpectedEndOfInput const &) const -> std::optional<std::reference_wrapper<core::errors::AbstractError const>> {
return std::nullopt;
}
};
}
ParsingError::ParsingError(AmbiguousMatch const &variant) :
my_variant { variant } {
}
ParsingError::ParsingError(UnexpectedInput const &variant) :
my_variant { variant } {
}
ParsingError::ParsingError(UnexpectedEndOfInput const &variant) :
my_variant { variant } {
}
ParsingError::~ParsingError() = default;
auto ParsingError::format() const -> std::string {
return std::visit(FormatForParsingError {}, my_variant);
}
auto ParsingError::source() const & -> std::optional<std::reference_wrapper<core::errors::AbstractError const>> {
return std::visit(SourceForParsingError {}, my_variant);
}
}