From ca4181a822f6a3c0a475c85ca6a60ea50f8ecd06 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Sun, 13 Jul 2025 21:20:57 -0500
Subject: [PATCH] xo-expression: + pretty_expression.hpp

---
 .../xo/expression/pretty_expression.hpp       | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 xo-expression/include/xo/expression/pretty_expression.hpp

diff --git a/xo-expression/include/xo/expression/pretty_expression.hpp b/xo-expression/include/xo/expression/pretty_expression.hpp
new file mode 100644
index 00000000..1fe2bc77
--- /dev/null
+++ b/xo-expression/include/xo/expression/pretty_expression.hpp
@@ -0,0 +1,37 @@
+/* @file pretty_expression.hpp
+ *
+ * author: Roland Conybeare, Jul 2025
+ */
+
+#pragma once
+
+#include "xo/indentlog/print/pretty.hpp"
+#include "xo/indentlog/print/pretty_tag.hpp"
+#include "xo/refcnt/pretty_refcnt.hpp"
+#include "Expression.hpp"
+
+namespace xo {
+    namespace print {
+        template<>
+        struct ppdetail<xo::ast::GeneralizedExpression> {
+            static bool print_upto(ppstate * pps, const xo::ast::GeneralizedExpression & x) {
+                return x.pretty_print(pps, true);
+            }
+
+            static void print_pretty(ppstate * pps, const xo::ast::GeneralizedExpression & x) {
+                x.pretty_print(pps, false);
+            }
+        };
+
+        template <>
+        struct ppdetail<xo::ast::Expression> {
+            static bool print_upto(ppstate * pps, const xo::ast::Expression & x) {
+                return x.pretty_print(pps, true);
+            }
+
+            static void print_pretty(ppstate * pps, const xo::ast::Expression & x) {
+                x.pretty_print(pps, false);
+            }
+        };
+    }
+}