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Remove the support for token_view::iterator -> underlying iterator translation

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in *parse_impl(); add support to the error handlers and their support
functions directly instead.  There are simply too many APIs there that need
the translation to leave it to other code.

Add lex_error exception type, and add support for all the APIs that used to
take a parse_error param to now take either a parse_error or a lex_error.

Throw lex_error from failed parsing of lexed tokens in detail::make_token().

See #202.
This commit is contained in:
Zach Laine
2024-11-13 01:14:24 -06:00
parent 07cd667a91
commit f298bfe59b
6 changed files with 266 additions and 80 deletions
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4
example/user_error_handler.cpp
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@@ -31,9 +31,9 @@ struct logging_error_handler
// and rethrow. Returning fail fails the top-level parse; returning
// rethrow just re-throws the parse_error exception that got us here in
// the first place.
template<typename Iter, typename Sentinel>
template<typename Iter, typename Sentinel, template<class> class Exception>
bp::error_handler_result
operator()(Iter first, Sentinel last, bp::parse_error<Iter> const & e) const
operator()(Iter first, Sentinel last, Exception<Iter> const & e) const
{
bp::write_formatted_expectation_failure_error_message(
ofs_, filename_, first, last, e);