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🔨 small refactoring

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The solution with a std::runtime_error member is more elegant. It
allows to have std::exception as base class again. However, I still
have no idea why GCC thinks the copy constructor may throw...
This commit is contained in:
Niels Lohmann 2017-03-25 17:25:39 +01:00
parent cc36c65a89
commit c333679a96
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GPG key ID: 7F3CEA63AE251B69
2 changed files with 12 additions and 6 deletions
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9
src/json.hpp
View file

@ -123,13 +123,13 @@ Extension of std::exception objects with a member @a id for exception ids.
@since version 3.0.0
*/
class exception : public std::runtime_error
class exception : public std::exception
{
public:
/// returns the explanatory string
virtual const char* what() const noexcept override
{
return std::runtime_error::what();
return m.what();
}
/// the id of the exception
@ -137,13 +137,16 @@ class exception : public std::runtime_error
protected:
exception(int id_, const char* what_arg)
: std::runtime_error(what_arg), id(id_)
: id(id_), m(what_arg)
{}
static std::string name(const std::string& ename, int id_)
{
return "[json.exception." + ename + "." + std::to_string(id_) + "] ";
}
private:
std::runtime_error m;
};
/*!

9
src/json.hpp.re2c
View file

@ -123,13 +123,13 @@ Extension of std::exception objects with a member @a id for exception ids.
@since version 3.0.0
*/
class exception : public std::runtime_error
class exception : public std::exception
{
public:
/// returns the explanatory string
virtual const char* what() const noexcept override
{
return std::runtime_error::what();
return m.what();
}
/// the id of the exception
@ -137,13 +137,16 @@ class exception : public std::runtime_error
protected:
exception(int id_, const char* what_arg)
: std::runtime_error(what_arg), id(id_)
: id(id_), m(what_arg)
{}
static std::string name(const std::string& ename, int id_)
{
return "[json.exception." + ename + "." + std::to_string(id_) + "] ";
}
private:
std::runtime_error m;
};
/*!