library/cpp/yson_pull/exceptions.cpp


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#include "exceptions.h" 
 
#include <util/string/builder.h> 
 
#include <cerrno> 
#include <cstring> 
 
using namespace NYsonPull::NException; 
 
const char* TBadStream::what() const noexcept { 
    TStringBuilder stream; 
    stream << "Invalid YSON"; 
    if (Position_.Offset || Position_.Line || Position_.Column) { 
        bool first = true; 
        stream << " at "; 
        if (Position_.Offset) { 
            stream << "offset " << *Position_.Offset; 
            first = false; 
        } 
        if (Position_.Line) { 
            if (!first) { 
                stream << ", "; 
            } 
            stream << "line " << *Position_.Line; 
            first = false; 
        } 
        if (Position_.Column) { 
            if (!first) { 
                stream << ", "; 
            } 
            stream << "column " << *Position_.Column; 
        } 
    } 
    stream << ": " << Message_; 
    FormattedMessage_ = stream; 
    return FormattedMessage_.c_str(); 
} 
 
NYsonPull::NException::TSystemError::TSystemError()
    : SavedErrno_{errno} { 
}
 
const char* NYsonPull::NException::TSystemError::what() const noexcept { 
    return ::strerror(SavedErrno_); 
}