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Changed parse_error to derive from std::runtime_error

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yhirose 2021-10-11 00:36:51 -04:00
parent 0aec248de3
commit 4d67d96d7a
1 changed files with 3 additions and 7 deletions
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10
peglib.h
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@ -620,13 +620,9 @@ private:
*/ */
// Note: 'parse_error' exception class should be be used in sematic action // Note: 'parse_error' exception class should be be used in sematic action
// handlers to reject the rule. // handlers to reject the rule.
struct parse_error { class parse_error : public std::runtime_error {
parse_error() = default; public:
parse_error(const char *s) : s_(s) {} parse_error(const char *what_arg) : std::runtime_error(what_arg) {}
const char *what() const { return s_.empty() ? nullptr : s_.data(); }
private:
std::string s_;
}; };
/* /*