From 35e949945dc213680cf3488b61b529c4ad501478 Mon Sep 17 00:00:00 2001
From: Alex Denisov <alexdenisov@github.com>
Date: Tue, 5 Sep 2023 12:05:27 +0200
Subject: [PATCH] Swift: add queries for unresolved AST nodes

---
 swift/ql/consistency-queries/UnresolvedAstNodes.ql    |  5 +++++
 .../ql/src/diagnostics/internal/UnresolvedAstNodes.ql | 11 +++++++++++
 .../errors/CONSISTENCY/UnresolvedAstNodes.expected    |  2 ++
 3 files changed, 18 insertions(+)
 create mode 100644 swift/ql/consistency-queries/UnresolvedAstNodes.ql
 create mode 100644 swift/ql/src/diagnostics/internal/UnresolvedAstNodes.ql
 create mode 100644 swift/ql/test/extractor-tests/errors/CONSISTENCY/UnresolvedAstNodes.expected

diff --git a/swift/ql/consistency-queries/UnresolvedAstNodes.ql b/swift/ql/consistency-queries/UnresolvedAstNodes.ql
new file mode 100644
index 000000000000..d2369ab94366
--- /dev/null
+++ b/swift/ql/consistency-queries/UnresolvedAstNodes.ql
@@ -0,0 +1,5 @@
+import swift
+
+from AstNode n
+where n.getAPrimaryQlClass().matches("Unresolved%")
+select n
diff --git a/swift/ql/src/diagnostics/internal/UnresolvedAstNodes.ql b/swift/ql/src/diagnostics/internal/UnresolvedAstNodes.ql
new file mode 100644
index 000000000000..97c14eb4ca76
--- /dev/null
+++ b/swift/ql/src/diagnostics/internal/UnresolvedAstNodes.ql
@@ -0,0 +1,11 @@
+/**
+ * @name Number of unresolved AST nodes
+ * @description Count all unresolved AST nodes.
+ * @kind metric
+ * @id swift/diagnostics/unresolved-ast-nodes
+ * @tags summary
+ */
+
+import swift
+
+select count(AstNode n | n.getAPrimaryQlClass().matches("Unresolved%") | n)
diff --git a/swift/ql/test/extractor-tests/errors/CONSISTENCY/UnresolvedAstNodes.expected b/swift/ql/test/extractor-tests/errors/CONSISTENCY/UnresolvedAstNodes.expected
new file mode 100644
index 000000000000..c88a81e5fc79
--- /dev/null
+++ b/swift/ql/test/extractor-tests/errors/CONSISTENCY/UnresolvedAstNodes.expected
@@ -0,0 +1,2 @@
+| file://:0:0:0:0 | ... .combine(_:) |
+| unresolved.swift:5:1:5:14 | UnresolvedSpecializeExpr |