From b4fc380af5e390ca11892f9e657e653f6869c21b Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 3 Jul 2025 15:20:23 -0700
Subject: Language Server Enhancements (#7604)

* Language Server: auto-select the best candidate in signature help.

* Fix constructor call highlighting + goto definition.

* Add test.

* format code

* Improve ctor signature help.

* Add tests.

* Fix decl path printing for extension children.

* Allow goto definition to show core module source.

* c++ compile fix.

---------

Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
---
 tests/language-server/ctor-hover.slang         | 15 +++++++++++++++
 tests/language-server/ctor-signature.slang     |  9 +++++++++
 tests/language-server/smoke.slang.expected.txt |  6 ++----
 3 files changed, 26 insertions(+), 4 deletions(-)
 create mode 100644 tests/language-server/ctor-hover.slang
 create mode 100644 tests/language-server/ctor-signature.slang

(limited to 'tests')

diff --git a/tests/language-server/ctor-hover.slang b/tests/language-server/ctor-hover.slang
new file mode 100644
index 000000000..186d373cf
--- /dev/null
+++ b/tests/language-server/ctor-hover.slang
@@ -0,0 +1,15 @@
+//TEST:LANG_SERVER(filecheck=CHECK):
+struct MyType
+{
+    __init(int x) {}
+}
+
+void test()
+{
+//HOVER:10,18
+    let obj = MyType(5);
+    //        ^^^^^
+    //        Hover here should show info for the ctor, not the type.
+}
+
+//CHECK: MyType.init
diff --git a/tests/language-server/ctor-signature.slang b/tests/language-server/ctor-signature.slang
new file mode 100644
index 000000000..6fc7b3844
--- /dev/null
+++ b/tests/language-server/ctor-signature.slang
@@ -0,0 +1,9 @@
+//TEST:LANG_SERVER(filecheck=CHECK):
+
+void test()
+{
+//SIGNATURE:6,25
+    let v = float3(1.0, )
+}
+
+// CHECK: (selected) float3.init(float x, float
diff --git a/tests/language-server/smoke.slang.expected.txt b/tests/language-server/smoke.slang.expected.txt
index 7e0e8def7..451fa0655 100644
--- a/tests/language-server/smoke.slang.expected.txt
+++ b/tests/language-server/smoke.slang.expected.txt
@@ -16,10 +16,8 @@ content:
 --------
 activeParameter: 0
 activeSignature: 0
-func T.getSum() -> int:
+(selected) func T.getSum() -> int:
 
 Returns the sum of the contents.  
 
-{REDACTED}.slang(10)
-
-
+{REDACTED}.slang(10)
\ No newline at end of file
-- 
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