intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 45 insertions, 0 deletions

diff --git a/library/cpp/yson_pull/exceptions.cpp b/library/cpp/yson_pull/exceptions.cpp
new file mode 100644
index 0000000000..e1d68493e7
--- /dev/null
+++ b/library/cpp/yson_pull/exceptions.cpp
@@ -0,0 +1,45 @@
+#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_);
+}