Arbutils/src/Exception.hpp

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#ifndef ARBUTILS_EXCEPTION_HPP
#define ARBUTILS_EXCEPTION_HPP
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#if !WINDOWS
#define BACKWARD_HAS_BFD 1
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#endif
#include <exception>
#include <sstream>
#include <string>
#include <utility>
#include "../extern/backward.hpp"
namespace ArbUt {
class Exception : std::exception {
std::string _msg;
backward::StackTrace _stack;
public:
explicit Exception(std::string msg) : _msg(std::move(msg)) { _stack.load_here(9); }
[[nodiscard]] const char* what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW override { return _msg.c_str(); }
[[nodiscard]] std::string GetStacktrace(size_t depth = 6, bool include_addr = true) const {
backward::TraceResolver tr;
tr.load_stacktrace(_stack);
std::stringstream ss;
for (size_t i = 3; i < _stack.size() && i < depth + 3; ++i) {
backward::ResolvedTrace trace = tr.resolve(_stack[i]);
if (trace.source.filename.empty()) {
auto objectName =
(strrchr(trace.object_filename.c_str(), '/') ? strrchr(trace.object_filename.c_str(), '/') + 1
: trace.object_filename.c_str());
auto function = trace.object_function;
if (function.length() > 70) {
function = function.substr(0, 67);
function += "...";
}
ss << objectName;
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if (include_addr) {
ss << "[" << trace.addr << "]";
}
ss << " " << function << std::endl;
} else {
auto fileName =
(strrchr(trace.source.filename.c_str(), '/') ? strrchr(trace.source.filename.c_str(), '/') + 1
: trace.source.filename.c_str());
auto function = trace.object_function;
if (function.length() > 70) {
function = function.substr(0, 67);
function += "...";
}
ss << fileName << "[" << trace.source.line << "] " << function << std::endl;
}
}
return ss.str();
}
};
}
#endif // ARBUTILS_EXCEPTION_HPP