From 0c6f14af048c4bd61c91552af79c003dfd34601e Mon Sep 17 00:00:00 2001
From: chmod222 <304922+chmod222@users.noreply.github.com>
Date: Sat, 1 Apr 2023 20:29:28 +0200
Subject: [PATCH] macros: Extend treeTraverse intVal range to nnkUInt64Lit
 (#21597)

* Extend intVal range to nnkUInt64Lit

Fixes #21593

* Properly cast intVal as unsigned

* Add testcase for #21593
---
 lib/core/macros.nim     |  2 ++
 tests/macros/t21593.nim | 13 +++++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 tests/macros/t21593.nim

diff --git a/lib/core/macros.nim b/lib/core/macros.nim
index 9cb694bd85..28f52f0a93 100644
--- a/lib/core/macros.nim
+++ b/lib/core/macros.nim
@@ -947,6 +947,8 @@ proc treeTraverse(n: NimNode; res: var string; level = 0; isLisp = false, indent
     discard # same as nil node in this representation
   of nnkCharLit .. nnkInt64Lit:
     res.add(" " & $n.intVal)
+  of nnkUIntLit .. nnkUInt64Lit:
+    res.add(" " & $cast[uint64](n.intVal))
   of nnkFloatLit .. nnkFloat64Lit:
     res.add(" " & $n.floatVal)
   of nnkStrLit .. nnkTripleStrLit, nnkCommentStmt, nnkIdent, nnkSym:
diff --git a/tests/macros/t21593.nim b/tests/macros/t21593.nim
new file mode 100644
index 0000000000..b0b7ebe757
--- /dev/null
+++ b/tests/macros/t21593.nim
@@ -0,0 +1,13 @@
+discard """
+nimout: '''
+StmtList
+  UIntLit 18446744073709551615
+  IntLit -1'''
+"""
+
+import macros
+
+dumpTree:
+  0xFFFFFFFF_FFFFFFFF'u
+  0xFFFFFFFF_FFFFFFFF
+