From 875b92d9dece3bd6ab9e4abea476c765763539bd Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 25 Dec 2025 19:19:26 +0900
Subject: [PATCH] Use typed data APIs

Untyped data APIs are deprecated.
---
 ext/yajl/yajl_ext.c | 20 ++++++++++++++++++--
 ext/yajl/yajl_ext.h |  6 ++++--
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/ext/yajl/yajl_ext.c b/ext/yajl/yajl_ext.c
index 76319db6..2b838856 100644
--- a/ext/yajl/yajl_ext.c
+++ b/ext/yajl/yajl_ext.c
@@ -159,6 +159,14 @@ static void yajl_encoder_wrapper_mark(void * wrapper) {
     }
 }
 
+static const rb_data_type_t yajl_encoder_wrapper_type = {
+    "YAJL::Encoder",
+    {
+        yajl_encoder_wrapper_mark,
+        yajl_encoder_wrapper_free,
+    }
+};
+
 static VALUE yajl_key_to_string(VALUE obj) {
     switch (TYPE(obj)) {
         case T_STRING:
@@ -309,6 +317,14 @@ void yajl_parser_wrapper_mark(void * wrapper) {
     }
 }
 
+static const rb_data_type_t yajl_parser_wrapper_type = {
+    "YAJL::Parser",
+    {
+        yajl_parser_wrapper_mark,
+        yajl_parser_wrapper_free,
+    }
+};
+
 void yajl_parse_chunk(const unsigned char * chunk, unsigned int len, yajl_handle parser) {
     yajl_status stat;
 
@@ -486,7 +502,7 @@ static VALUE rb_yajl_parser_new(int argc, VALUE * argv, VALUE klass) {
     }
     cfg = (yajl_parser_config){allowComments, checkUTF8};
 
-    obj = Data_Make_Struct(klass, yajl_parser_wrapper, yajl_parser_wrapper_mark, yajl_parser_wrapper_free, wrapper);
+    obj = TypedData_Make_Struct(klass, yajl_parser_wrapper, &yajl_parser_wrapper_type, wrapper);
     wrapper->parser = yajl_alloc(&callbacks, &cfg, &rb_alloc_funcs, (void *)obj);
     wrapper->nestedArrayLevel = 0;
     wrapper->nestedHashLevel = 0;
@@ -1089,7 +1105,7 @@ static VALUE rb_yajl_encoder_new(int argc, VALUE * argv, VALUE klass) {
     }
     cfg = (yajl_gen_config){beautify, (const char *)indentString, htmlSafe};
 
-    obj = Data_Make_Struct(klass, yajl_encoder_wrapper, yajl_encoder_wrapper_mark, yajl_encoder_wrapper_free, wrapper);
+    obj = TypedData_Make_Struct(klass, yajl_encoder_wrapper, &yajl_encoder_wrapper_type, wrapper);
     wrapper->indentString = actualIndent;
     wrapper->encoder = yajl_gen_alloc(&cfg, &rb_alloc_funcs);
     wrapper->on_progress_callback = Qnil;
diff --git a/ext/yajl/yajl_ext.h b/ext/yajl/yajl_ext.h
index bab2543b..96117cb6 100644
--- a/ext/yajl/yajl_ext.h
+++ b/ext/yajl/yajl_ext.h
@@ -58,8 +58,10 @@ static ID intern_io_read, intern_call, intern_keys, intern_to_s,
             intern_to_json, intern_has_key, intern_to_sym, intern_as_json;
 static ID sym_allow_comments, sym_check_utf8, sym_pretty, sym_indent, sym_terminator, sym_symbolize_keys, sym_symbolize_names, sym_html_safe, sym_entities;
 
-#define GetParser(obj, sval) Data_Get_Struct(obj, yajl_parser_wrapper, sval);
-#define GetEncoder(obj, sval) Data_Get_Struct(obj, yajl_encoder_wrapper, sval);
+static const rb_data_type_t yajl_parser_wrapper_type, yajl_encoder_wrapper_type;
+
+#define GetParser(obj, sval) TypedData_Get_Struct(obj, yajl_parser_wrapper, &yajl_parser_wrapper_type, sval)
+#define GetEncoder(obj, sval) TypedData_Get_Struct(obj, yajl_encoder_wrapper, &yajl_encoder_wrapper_type, sval)
 
 static void yajl_check_and_fire_callback(void * ctx);
 static void yajl_set_static_value(void * ctx, VALUE val);