From 90c2f468869b0ef7e14955f63dca9c8dd8723b89 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Mon, 1 Aug 2022 20:29:43 -0600
Subject: wip

---
 lib/lowmemjson/decode.go | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

(limited to 'lib')

diff --git a/lib/lowmemjson/decode.go b/lib/lowmemjson/decode.go
index b2eaacf..1604e87 100644
--- a/lib/lowmemjson/decode.go
+++ b/lib/lowmemjson/decode.go
@@ -226,7 +226,26 @@ func decode(r io.RuneScanner, val reflect.Value) {
 					}
 					fVal = fVal.Field(idx)
 				}
-				decode(r, fVal.Addr())
+				if field.Quote {
+					var buf bytes.Buffer
+					switch peekRune(r) {
+					case 'n':
+						decodeNull(r)
+						switch fVal.Kind() {
+						// I can't justify this list, other than that it's what encoding/json
+						// does.  I don't understand their rationale.
+						case reflect.Interface, reflect.Pointer, reflect.Map, reflect.Slice:
+							fVal.Set(reflect.Zero(fVal.Type()))
+						}
+					case '"':
+						decodeString(r, &buf)
+						decode(&buf, fVal)
+					default:
+						panic(decodeError{fmt.Errorf("invalid character %q for ,string struct value", peekRune(r))})
+					}
+				} else {
+					decode(r, fVal)
+				}
 			})
 		case reflect.Map:
 			switch peekRune(r) {
@@ -269,7 +288,7 @@ func decode(r io.RuneScanner, val reflect.Value) {
 					}
 
 					fValPtr := reflect.New(typ.Elem())
-					decode(r, fValPtr)
+					decode(r, fValPtr.Elem())
 
 					val.SetMapIndex(nameValPtr.Elem(), fValPtr.Elem())
 				})
@@ -294,7 +313,7 @@ func decode(r io.RuneScanner, val reflect.Value) {
 					}
 					decodeArray(r, func() {
 						mValPtr := reflect.New(typ.Elem())
-						decode(r, mValPtr)
+						decode(r, mValPtr.Elem())
 						val.Set(reflect.Append(val, mValPtr.Elem()))
 					})
 				default:
@@ -305,7 +324,7 @@ func decode(r io.RuneScanner, val reflect.Value) {
 			i := 0
 			decodeArray(r, func() {
 				mValPtr := reflect.New(typ.Elem())
-				decode(r, mValPtr)
+				decode(r, mValPtr.Elem())
 				val.Index(i).Set(mValPtr.Elem())
 				i++
 			})
@@ -350,18 +369,22 @@ func scan(r io.RuneScanner, out io.Writer) {
 	}
 	scanner.bailAfterCurrent = true
 	var err error
+	var eof bool
 	for err == nil {
 		c, ok := readRuneOrEOF(r)
 		if ok {
 			_, err = scanner.WriteRune(c)
 		} else {
+			eof = true
 			err = scanner.Flush()
 			break
 		}
 	}
 	if err != nil {
 		if err == errBailedAfterCurrent {
-			unreadRune(r)
+			if !eof {
+				unreadRune(r)
+			}
 		} else {
 			panic(decodeError{err})
 		}
-- 
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