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enable format_underline to print hint with region

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ToruNiina
2018-12-11 22:22:07 +09:00
parent d7bba10fa3
commit fc6a15440d
1 changed files with 13 additions and 1 deletions
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14
toml/region.hpp
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@@ -198,7 +198,8 @@ struct region final : public region_base
// to show a better error message. // to show a better error message.
inline std::string format_underline(const std::string& message, inline std::string format_underline(const std::string& message,
const region_base& reg, const std::string& comment_for_underline) const region_base& reg, const std::string& comment_for_underline,
std::vector<std::string> helps = {})
{ {
const auto line = reg.line(); const auto line = reg.line();
const auto line_number = reg.line_num(); const auto line_number = reg.line_num();
@@ -218,6 +219,17 @@ inline std::string format_underline(const std::string& message,
retval += make_string(reg.size(), '~'); retval += make_string(reg.size(), '~');
retval += ' '; retval += ' ';
retval += comment_for_underline; retval += comment_for_underline;
if(helps.size() != 0)
{
retval += '\n';
retval += make_string(line_number.size() + 1, ' ');
retval += " | ";
for(const auto help : helps)
{
retval += "\nHint: ";
retval += help;
}
}
return retval; return retval;
} }