diff options
Diffstat (limited to 'klm/util/exception.cc')
| -rw-r--r-- | klm/util/exception.cc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/klm/util/exception.cc b/klm/util/exception.cc index 84f9fe7c..62280970 100644 --- a/klm/util/exception.cc +++ b/klm/util/exception.cc @@ -1,5 +1,9 @@ #include "util/exception.hh" +#ifdef __GXX_RTTI +#include <typeinfo> +#endif + #include <errno.h> #include <string.h> @@ -22,6 +26,30 @@ const char *Exception::what() const throw() { return text_.c_str(); } +void Exception::SetLocation(const char *file, unsigned int line, const char *func, const char *child_name, const char *condition) { + /* The child class might have set some text, but we want this to come first. + * Another option would be passing this information to the constructor, but + * then child classes would have to accept constructor arguments and pass + * them down. + */ + text_ = stream_.str(); + stream_.str(""); + stream_ << file << ':' << line; + if (func) stream_ << " in " << func << " threw "; + if (child_name) { + stream_ << child_name; + } else { +#ifdef __GXX_RTTI + stream_ << typeid(this).name(); +#else + stream_ << "an exception"; +#endif + } + if (condition) stream_ << " because `" << condition; + stream_ << "'.\n"; + stream_ << text_; +} + namespace { // The XOPEN version. const char *HandleStrerror(int ret, const char *buf) { |