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'what' string

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This commit is contained in:
Ben Burdette 2020-04-23 15:55:34 -06:00
parent 3bc9155dfc
commit 833501f6f1
1 changed files with 13 additions and 9 deletions
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22
src/libutil/types.hh
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@ -88,6 +88,13 @@ class BaseError : public std::exception
protected:
string prefix_; // used for location traces etc.
ErrorInfo err;
string what_;
void initWhat()
{
std::ostringstream oss;
oss << err;
what_ = oss.str();
}
public:
unsigned int status = 1; // exit status
@ -97,30 +104,27 @@ public:
.hint = hintfmt(args...)
}
, status(status)
{
}
{ initWhat(); }
template<typename... Args>
BaseError(const Args & ... args)
: err { .level = lvlError,
.hint = hintfmt(args...)
}
{
}
{ initWhat(); }
BaseError(ErrorInfo e)
: err(e)
{
}
{ initWhat(); }
#ifdef EXCEPTION_NEEDS_THROW_SPEC
~BaseError() throw () { };
const char * what() const throw () { return err.description.c_str(); }
const char * what() const throw () { return what_.c_str(); }
#else
const char * what() const noexcept { return err.description.c_str(); }
const char * what() const noexcept { return what_.c_str(); }
#endif
const string & msg() const { return err.description; }
const string & msg() const { return what_; }
const string & prefix() const { return prefix_; }
BaseError & addPrefix(const FormatOrString & fs);