Merge pull request #964 from josefs/master

Add support for CodeQL

Author: AlDanial

README.md

@@ -1109,6 +1109,7 @@ ClojureScript              (cljs)
 CMake                      (cmake, cmake.in, CMakeLists.txt)
 COBOL                      (CBL, cbl, ccp, COB, cob, cobol, cpy)
 CoCoA 5                    (c5, cocoa5, cocoa5server, cpkg5)
+CodeQL                     (ql, qll)
 CoffeeScript               (_coffee, cakefile, cjsx, coffee, iced)
 ColdFusion                 (cfm, cfml)
 ColdFusion CFScript        (cfc)

Unix/t/00_C.t

@@ -244,6 +244,11 @@ my @Tests = (
                     'ref'  => '../tests/outputs/Buchberger.cocoa5.yaml',
                     'args' => '../tests/inputs/Buchberger.cocoa5',
                 },
+                {
+                    'name' => 'CodeQL',
+                    'ref'  => '../tests/outputs/CodeQL.ql.yaml',
+                    'args' => '../tests/inputs/CodeQL.ql',
+                },
                 {
                     'name' => 'ColdFusion',
                     'ref'  => '../tests/outputs/ColdFusion.cfm.yaml',

cloc

@@ -8950,6 +8950,8 @@ sub set_constants {                          # {{{1
             'COB'         => 'COBOL'                 ,
             'cocoa5'      => 'CoCoA 5'               ,
             'code-workspace' => 'VSCode Workspace'   ,
+            'ql'          => 'CodeQL'                ,
+            'qll'         => 'CodeQL'                ,
             'c5'          => 'CoCoA 5'               ,
             'cpkg5'       => 'CoCoA 5'               ,
             'cocoa5server'=> 'CoCoA 5'               ,
@@ -10222,6 +10224,11 @@ sub set_constants {                          # {{{1
                                 [ 'remove_matches'      , '^\s*--' ],
                                 [ 'remove_inline'       , '--.*$'  ],
                             ],
+    'CodeQL'             => [
+                                [ 'rm_comments_in_strings', '"', '/*', '*/' ],
+                                [ 'rm_comments_in_strings', '"', '//', '' ],
+                                [ 'call_regexp_common'  , 'C++'    ],
+                            ],
     'CoffeeScript'       => [
                                 [ 'remove_matches'      , '^\s*#'  ],
                                 [ 'remove_inline'       , '#.*$'   ],
@@ -12050,6 +12057,7 @@ sub set_constants {                          # {{{1
     'CMake'                        =>   1.00,
     'COBOL'                        =>   1.04,
     'CoCoA 5'                      =>   1.04,
+    'CodeQL'                       =>   2.50,
     'CoffeeScript'                 =>   2.00,
     'Constraint Grammar'           =>   4.00,
     'Containerfile'                =>   2.00,

tests/inputs/CodeQL.ql

@@ -0,0 +1,16 @@
+/**
+ * @name Find unused variables
+ * @description Finds local variables that are defined but never used.
+ * @kind problem
+ * @problem.severity warning
+ */
+
+import javascript
+
+// Find all variable declarations
+from Variable v, DeclStmt decl
+where
+  decl.getADecl().getBindingPattern() = v.getADeclaration() and
+  not exists(VarAccess access | access.getVariable() = v) and
+  not v.getName().matches("\\_%")
+select v, "Variable '" + v.getName() + "' is declared but never used."

tests/outputs/CodeQL.ql.yaml

@@ -0,0 +1,21 @@
+---
+# github.com/AlDanial/cloc
+header : 
+  cloc_url           : github.com/AlDanial/cloc
+  cloc_version       : 2.09
+  elapsed_seconds    : 0.00732088088989258
+  n_files            : 1
+  n_lines            : 16
+  files_per_second   : 136.595583924966
+  lines_per_second   : 2185.52934279945
+  report_file        : tests/outputs/CodeQL.ql.yaml
+'CodeQL' :
+  nFiles: 1
+  blank: 2
+  comment: 7
+  code: 7
+SUM: 
+  blank: 2
+  comment: 7
+  code: 7
+  nFiles: 1