Rust: Move the AST consistency logic to a .qll.

rust/ql/consistency-queries/AstConsistency.ql

@@ -1,21 +1,8 @@
-import rust
-import codeql.rust.elements.internal.generated.ParentChild
+/**
+ * @name Abstract syntax tree inconsistencies
+ * @description Lists the abstract syntax tree inconsistencies in the database.  This query is intended for internal use.
+ * @kind table
+ * @id rust/diagnostics/ast-consistency
+ */
 
-query predicate multipleToString(Element e, string s) {
-  s = strictconcat(e.toString(), ",") and
-  strictcount(e.toString()) > 1
-}
-
-query predicate multipleLocations(Locatable e) { strictcount(e.getLocation()) > 1 }
-
-query predicate multiplePrimaryQlClasses(Element e, string s) {
-  s = e.getPrimaryQlClasses() and
-  strictcount(e.getAPrimaryQlClass()) > 1
-}
-
-private Element getParent(Element child) { child = getChildAndAccessor(result, _, _) }
-
-query predicate multipleParents(Element child, Element parent) {
-  parent = getParent(child) and
-  strictcount(getParent(child)) > 1
-}
+import codeql.rust.AstConsistency

rust/ql/lib/codeql/rust/AstConsistency.qll

@@ -0,0 +1,25 @@
+/**
+ * Provides classes for recognizing control flow graph inconsistencies.
+ */
+
+private import rust
+private import codeql.rust.elements.internal.generated.ParentChild
+
+query predicate multipleToString(Element e, string s) {
+  s = strictconcat(e.toString(), ",") and
+  strictcount(e.toString()) > 1
+}
+
+query predicate multipleLocations(Locatable e) { strictcount(e.getLocation()) > 1 }
+
+query predicate multiplePrimaryQlClasses(Element e, string s) {
+  s = e.getPrimaryQlClasses() and
+  strictcount(e.getAPrimaryQlClass()) > 1
+}
+
+private Element getParent(Element child) { child = getChildAndAccessor(result, _, _) }
+
+query predicate multipleParents(Element child, Element parent) {
+  parent = getParent(child) and
+  strictcount(getParent(child)) > 1
+}