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exception: fix missing error message

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This commit is contained in:
Steffen Vogel 2021-01-05 18:10:55 +01:00
parent 1e8b6ac8f0
commit a6257f33e5
2 changed files with 43 additions and 16 deletions
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58
common/include/villas/exceptions.hpp
View file

@ -101,9 +101,33 @@ protected:
json_t *setting;
json_error_t error;
std::string msg;
char *msg;
std::string getMessage() const
{
std::stringstream ss;
ss << std::runtime_error::what() << std::endl;
ss << " Please consult the user documentation for details: " << std::endl;
ss << " " << docUri();
if (error.position >= 0) {
ss << std::endl;
ss << " " << error.text << " in " << error.source << ":" << error.line << ":" << error.column;
}
ss << std::endl;
return ss.str();
}
public:
~ConfigError()
{
if (msg)
free(msg);
}
template<typename... Args>
ConfigError(json_t *s, const std::string &i, const std::string &what = "Failed to parse configuration") :
std::runtime_error(what),
@ -111,6 +135,8 @@ public:
setting(s)
{
error.position = -1;
msg = strdup(getMessage().c_str());
}
template<typename... Args>
@ -118,7 +144,11 @@ public:
std::runtime_error(fmt::format(what, std::forward<Args>(args)...)),
id(i),
setting(s)
{ }
{
error.position = -1;
msg = strdup(getMessage().c_str());
}
template<typename... Args>
ConfigError(json_t *s, const json_error_t &e, const std::string &i, const std::string &what = "Failed to parse configuration") :
@ -126,7 +156,11 @@ public:
id(i),
setting(s),
error(e)
{ }
{
error.position = -1;
msg = strdup(getMessage().c_str());
}
template<typename... Args>
ConfigError(json_t *s, const json_error_t &e, const std::string &i, const std::string &what, Args&&... args) :
@ -134,7 +168,11 @@ public:
id(i),
setting(s),
error(e)
{ }
{
error.position = -1;
msg = strdup(getMessage().c_str());
}
std::string docUri() const
{
@ -145,17 +183,7 @@ public:
virtual const char * what() const noexcept
{
if (msg.empty()) {
std::stringstream ss;
ss << std::runtime_error::what() << std::endl;
ss << " Please consult the user documentation for details: " << docUri();
if (error.position >= 0)
ss << std::endl << " " << error.text << " in " << error.source << ":" << error.line << ":" << error.column;
}
return msg.c_str();
return msg;
}
};

1
common/lib/tool.cpp
View file

@ -1,4 +1,3 @@
/** Common entry point for all villas command line tools.
*
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>