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xo-reader: no-exception error reporting for define_xs

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This commit is contained in:
Roland Conybeare 2025-07-19 23:56:26 -05:00
commit d14b7354eb
5 changed files with 282 additions and 93 deletions
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13
xo-tokenizer/include/xo/tokenizer/token.hpp
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@ -159,6 +159,12 @@ namespace xo {
/** true for sentinel token with type tk_invalid **/
bool is_invalid() const { return tk_type_ == tokentype::tk_invalid; }
/** true for tokens with variable text. false for those with fixed textual representation **/
bool has_variable_text() const { return (tk_type_ == tokentype::tk_i64
|| tk_type_ == tokentype::tk_f64
|| tk_type_ == tokentype::tk_string
|| tk_type_ == tokentype::tk_symbol); }
/** expect input matching @c "[+|-][0-9][0-9]*" **/
std::int64_t i64_value() const;
@ -406,9 +412,10 @@ namespace xo {
void
token<CharT>::print(std::ostream & os) const {
os << "<token"
<< xtag("type", tk_type_)
<< xtag("text", text_)
<< ">";
<< xtag("type", tk_type_);
if (has_variable_text())
os << xtag("text", text_);
os << ">";
} /*print*/
template <typename CharT>