Added CodeQL language support

languages.json

@@ -185,6 +185,12 @@
       "line_comment": ["*"],
       "extensions": ["cob", "cbl", "ccp", "cobol", "cpy"]
     },
+    "CodeQL": {
+      "line_comment": ["//"],
+      "multi_line_comments": [["/*", "*/"]],
+      "quotes": [["\\\"", "\\\""]],
+      "extensions": ["ql", "qll"]
+    },
     "CoffeeScript": {
       "line_comment": ["#"],
       "multi_line_comments": [["###", "###"]],

tests/data/codeql.ql

@@ -0,0 +1,40 @@
+//! 40 lines 17 code 15 comments 8 blanks
+
+/** 
+ * @name fu 
+ * @description bar 
+ *
+ * Rerum similique consequatur non dolor sit. Autem doloribus sed in sint
+ * ratione sit voluptates at. Nihil ut fugiat ab ut aliquid consequatur sunt
+ * ullam. Adipisci voluptatem hic dicta.
+ */
+
+// asdf
+
+import cpp
+private import test.foo.bar.baz
+
+/**
+ * Another comment.
+ */
+class C extends Expr {
+    C () {
+        // single comment
+        not this.test() and
+        not this.what()
+    }
+
+    private predicate what() {
+        /* TODO */
+        this.isAbstract()
+    }
+
+    predicate test() { this = "what" }
+}
+
+from Function f
+where 
+    f.getName() = "function" and /* inline comment */
+    f.getArgument(0).asExpr() instanceof FooBar
+select f, "function"
+