Merge pull request #14141 from github/alexdenisov/unresolved-ast-nodes

Swift: add queries for unresolved AST nodes

Author: MathiasVP

swift/ql/consistency-queries/UnresolvedAstNodes.ql

@@ -0,0 +1,5 @@
+import swift
+
+from AstNode n
+where n.getAPrimaryQlClass().matches("Unresolved%")
+select n

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)

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 |