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doc: Reflect the correct signature of error handlers

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Nana Sakisaka
2025-09-07 07:37:39 +09:00
parent 47945d1e81
commit 2c0ec263f5
2 changed files with 12 additions and 8 deletions
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8
doc/x3/tutorial/annotation.qbk
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@@ -1,5 +1,6 @@
[/==============================================================================
Copyright (C) 2001-2018 Joel de Guzman
Copyright (C) 2025 Nana Sakisaka
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -128,9 +129,10 @@ our `on_success` handler:
struct annotate_position
{
template <typename T, typename Iterator, typename Context>
inline void on_success(Iterator const& first, Iterator const& last
, T& ast, Context const& context)
template <std::forward_iterator It, std::sentinel_for<It> Se, typename T, typename Context>
void on_success(
It const& first, Se const& last, T& ast, Context const& context
) const
{
auto& position_cache = x3::get<position_cache_tag>(context).get();
position_cache.annotate(ast, first, last);

12
doc/x3/tutorial/error_handling.qbk
View File

@@ -1,6 +1,6 @@
[/==============================================================================
Copyright (C) 2001-2018 Joel de Guzman
Copyright (C) 2024 Nana Sakisaka
Copyright (C) 2024-2025 Nana Sakisaka
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -129,10 +129,12 @@ Here's our `on_error` handler:
struct error_handler
{
template <typename Iterator, typename Exception, typename Context>
x3::error_handler_result on_error(
Iterator& first, Iterator const& last
, Exception const& x, Context const& context)
template <std::forward_iterator It, std::sentinel_for<It> Se, typename Exception, typename Context>
[[nodiscard]] x3::error_handler_result
on_error(
It const& first, Se const& last,
Exception const& x, Context const& context
)
{
auto& error_handler = x3::get<x3::error_handler_tag>(context).get();
std::string message = "Error! Expecting: " + x3::which(x) + " here:";