encoder, reencoder: Distinguish between syntax errors and I/O errors

1 files changed, 9 insertions, 3 deletions

diff --git a/reencode.go b/reencode.go
index e48c58c..d19dc1a 100644
--- a/reencode.go
+++ b/reencode.go
@@ -232,7 +232,7 @@ func (enc *ReEncoder) Close() error {
 	}
 	if len(enc.barriers) == 0 {
 		if err := enc.handleRune(0, jsonparse.RuneTypeError, enc.stackSize()); err != nil {
-			enc.err = &ReEncodeSyntaxError{
+			enc.err = &ReEncodeWriteError{
 				Err:    err,
 				Offset: enc.inputPos,
 			}
@@ -274,8 +274,14 @@ rehandle:
 		}
 		return enc.written, enc.err
 	}
-	enc.err = enc.handleRune(c, t, enc.stackSize())
-	if enc.err == nil && t == jsonparse.RuneTypeEOF {
+	if err := enc.handleRune(c, t, enc.stackSize()); err != nil {
+		enc.err = &ReEncodeWriteError{
+			Err:    err,
+			Offset: enc.inputPos,
+		}
+		return enc.written, enc.err
+	}
+	if t == jsonparse.RuneTypeEOF {
 		if enc.AllowMultipleValues && len(enc.barriers) == 0 {
 			enc.par.Reset()
 			goto rehandle