xo-reader: + DDefineSsm + utest

idl/SyntaxStateMachine.json5

@@ -43,6 +43,15 @@
         },
     ],
     nonconst_methods: [
+        {
+            name: "on_def_token",
+            doc: ["update state machine for incoming define-keyworkd-token @p tk"],
+            return_type: "void",
+            args: [
+                {type: "const Token &", name: "tk"},
+                {type: "ParserStateMachine *", name: "ps_psm"},
+            ],
+        },
         {
             name: "on_if_token",
             doc: ["update state machine for incoming if-keyword-token @p tk"],