intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 59 insertions, 0 deletions

diff --git a/library/cpp/yson_pull/exceptions.h b/library/cpp/yson_pull/exceptions.h
new file mode 100644
index 0000000000..ebfed950a5
--- /dev/null
+++ b/library/cpp/yson_pull/exceptions.h
@@ -0,0 +1,59 @@
+#pragma once
+
+#include "position_info.h"
+
+#include <util/generic/string.h>
+
+#include <stdexcept>
+#include <string>
+
+namespace NYsonPull {
+    namespace NException {
+        class TBadStream: public std::exception {
+            TString Message_;
+            TPositionInfo Position_;
+            mutable TString FormattedMessage_;
+
+        public:
+            TBadStream(
+                TString message,
+                const TPositionInfo& position)
+                : Message_(std::move(message))
+                , Position_(position)
+            {
+            }
+
+            const TPositionInfo& Position() const {
+                return Position_;
+            }
+
+            const char* what() const noexcept override;
+        };
+
+        class TBadInput: public TBadStream {
+        public:
+            using TBadStream::TBadStream;
+        };
+
+        class TBadOutput: public TBadStream {
+        public:
+            using TBadStream::TBadStream;
+        };
+
+        class TSystemError: public std::exception {
+            int SavedErrno_;
+
+        public:
+            TSystemError();
+            TSystemError(int saved_errno)
+                : SavedErrno_{saved_errno} {
+            }
+
+            int saved_errno() const noexcept {
+                return SavedErrno_;
+            }
+
+            const char* what() const noexcept override;
+        };
+    }
+}