3 files changed, 56 insertions, 0 deletions
diff --git a/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefFunc.php b/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefFunc.php
new file mode 100644
index 0000000..3539ede
--- /dev/null
+++ b/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefFunc.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\WebAssembly\Structure\Instructions\Instrs\Reference;
+
+use Nsfisis\Waddiwasi\WebAssembly\Structure\Instructions\Instr;
+
+final readonly class RefFunc extends Instr
+{
+    protected function __construct(
+        public int $func,
+    ) {
+    }
+
+    public static function opName(): string
+    {
+        return "ref.func";
+    }
+}
diff --git a/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefIsNull.php b/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefIsNull.php
new file mode 100644
index 0000000..21c9a26
--- /dev/null
+++ b/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefIsNull.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\WebAssembly\Structure\Instructions\Instrs\Reference;
+
+use Nsfisis\Waddiwasi\WebAssembly\Structure\Instructions\Instr;
+
+final readonly class RefIsNull extends Instr
+{
+    public static function opName(): string
+    {
+        return "ref.is_null";
+    }
+}
diff --git a/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefNull.php b/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefNull.php
new file mode 100644
index 0000000..39d0f8f
--- /dev/null
+++ b/src/WebAssembly/Structure/Instructions/Instrs/Reference/RefNull.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\WebAssembly\Structure\Instructions\Instrs\Reference;
+
+use Nsfisis\Waddiwasi\WebAssembly\Structure\Instructions\Instr;
+use Nsfisis\Waddiwasi\WebAssembly\Structure\Types\RefType;
+
+final readonly class RefNull extends Instr
+{
+    protected function __construct(
+        public RefType $type,
+    ) {
+    }
+
+    public static function opName(): string
+    {
+        return "ref.null";
+    }
+}