From 4857b748b73a7846855deb6b874345f1f7a98e4d Mon Sep 17 00:00:00 2001
From: alexlamsl <alexlamsl@gmail.com>
Date: Thu, 10 Oct 2019 03:28:47 +0800
Subject: [PATCH] improve readability of `--help ast`

---
 tools/node.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/node.js b/tools/node.js
index a1e14be1..58150e6b 100644
--- a/tools/node.js
+++ b/tools/node.js
@@ -46,7 +46,9 @@ function describe_ast() {
         if (ctor.SUBCLASSES.length > 0) {
             out.space();
             out.with_block(function() {
-                ctor.SUBCLASSES.forEach(function(ctor, i) {
+                ctor.SUBCLASSES.sort(function(a, b) {
+                    return a.TYPE < b.TYPE ? -1 : 1;
+                }).forEach(function(ctor, i) {
                     out.indent();
                     doitem(ctor);
                     out.newline();