From 90ecf185a742efffc7e1fcf399961289b3e00d08 Mon Sep 17 00:00:00 2001
From: Ellie Hermaszewska <ellieh@nvidia.com>
Date: Wed, 7 May 2025 07:43:45 +0800
Subject: Output default parameter values on language server hover (#6902)

* Output default parameter values on language server hover

Closes https://github.com/shader-slang/slang/issues/5782

* Add parens around binay expressions in ast print

* More cases in ast print test

* format code

---------

Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
---
 tests/language-server/default-values.slang              | 13 +++++++++++++
 tests/language-server/default-values.slang.expected.txt |  9 +++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 tests/language-server/default-values.slang
 create mode 100644 tests/language-server/default-values.slang.expected.txt

(limited to 'tests/language-server')

diff --git a/tests/language-server/default-values.slang b/tests/language-server/default-values.slang
new file mode 100644
index 000000000..abb08b6a8
--- /dev/null
+++ b/tests/language-server/default-values.slang
@@ -0,0 +1,13 @@
+//TEST(smoke):LANG_SERVER:
+
+void bar()
+{
+    foo(1, 2.0);
+//HOVER:5,5
+}
+
+void foo(int i = 0, float j = 1.0, int k = 1+1, int l = -10, int m = MY_CONST)
+{
+}
+
+const int MY_CONST = 10;
diff --git a/tests/language-server/default-values.slang.expected.txt b/tests/language-server/default-values.slang.expected.txt
new file mode 100644
index 000000000..2d2cc2452
--- /dev/null
+++ b/tests/language-server/default-values.slang.expected.txt
@@ -0,0 +1,9 @@
+--------
+range: 4,4 - 4,7
+content:
+```
+func foo(int i = 0, float j = 1f, int k = (1 + 1), int l = -10, int m = MY_CONST) -> void
+```
+
+
+{REDACTED}.slang(9)
-- 
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