Merge 3aaec8ddc2 into 3e9769d637

internal/decoder/compile.go

@@ -318,7 +318,11 @@ func typeToStructTags(typ *runtime.Type) runtime.StructTags {
 		if runtime.IsIgnoredStructField(field) {
 			continue
 		}
-		tags = append(tags, runtime.StructTagFromField(field))
+		structTag := runtime.StructTagFromField(field)
+		if structTag.IsReadonly {
+			continue
+		}
+		tags = append(tags, structTag)
 	}
 	return tags
 }

internal/encoder/compiler.go

@@ -813,7 +813,11 @@ func (c *Compiler) typeToStructTags(typ *runtime.Type) runtime.StructTags {
 		if runtime.IsIgnoredStructField(field) {
 			continue
 		}
-		tags = append(tags, runtime.StructTagFromField(field))
+		structTag := runtime.StructTagFromField(field)
+		if structTag.IsWriteonly {
+			continue
+		}
+		tags = append(tags, structTag)
 	}
 	return tags
 }

internal/runtime/struct_field.go

@@ -34,6 +34,8 @@ type StructTag struct {
 	IsTaggedKey bool
 	IsOmitEmpty bool
 	IsString    bool
+	IsWriteonly bool
+	IsReadonly  bool
 	Field       reflect.StructField
 }
 
@@ -82,6 +84,10 @@ func StructTagFromField(field reflect.StructField) *StructTag {
 			switch opt {
 			case "omitempty":
 				st.IsOmitEmpty = true
+			case "readOnly":
+				st.IsReadonly = true
+			case "writeOnly":
+				st.IsWriteonly = true
 			case "string":
 				st.IsString = true
 			}