Ruby: add support for 'extend' method

Author: aibaars

ruby/ql/lib/codeql/ruby/dataflow/internal/DataFlowDispatch.qll

@@ -294,6 +294,26 @@ private DataFlowCallable viableLibraryCallable(DataFlowCall call) {
   )
 }
 
+/** Holds if there is a call like `receiver.extend(M)` */
+private predicate extendCall(DataFlow::LocalSourceNode receiver, Module m) {
+  exists(DataFlow::CallNode extendCall |
+    extendCall.getMethodName() = "extend" and
+    exists(DataFlow::LocalSourceNode sourceNode | sourceNode.flowsTo(extendCall.getArgument(0)) |
+      selfInModule(sourceNode.(SsaSelfDefinitionNode).getVariable(), m) or
+      sourceNode = trackModuleAccess(m)
+    ) and
+    receiver.flowsTo(extendCall.getReceiver())
+  )
+}
+
+/** Holds if there is a call like `M.extend(N)` */
+private predicate extendCallModule(Module m, Module n) {
+  exists(DataFlow::LocalSourceNode receiver | extendCall(receiver, n) |
+    selfInModule(receiver.(SsaSelfDefinitionNode).getVariable(), m) or
+    receiver = trackModuleAccess(m)
+  )
+}
+
 cached
 private module Cached {
   cached
@@ -340,15 +360,46 @@ private module Cached {
         // def c.singleton; end # <- result
         // c.singleton          # <- call
         // ```
+        // or an `extend`ed instance, e.g.
+        // ```rb
+        // c = C.new
+        // module M
+        //   def instance; end  # <- result
+        // end
+        // c.extend M
+        // c.instance # <- call
+        // ```
         exists(DataFlow::Node receiver |
           methodCall(call, receiver, method) and
-          receiver = trackSingletonMethodOnInstance(result, method)
+          (
+            receiver = trackSingletonMethodOnInstance(result, method)
+            or
+            exists(Module m |
+              extendCall(any(DataFlow::LocalSourceNode n | n.flowsTo(receiver)), m) and
+              result = lookupMethod(m, pragma[only_bind_into](method))
+            )
+          )
         )
         or
         // singleton method defined on a module
+        // or an `extend`ed module, e.g.
+        // ```rb
+        // module M
+        //   def instance; end  # <- result
+        // end
+        // M.extend(M)
+        // M.instance           # <- call
+        // ```
         exists(DataFlow::Node sourceNode, Module m |
           flowsToMethodCall(call, sourceNode, method) and
-          singletonMethodOnModule(result, method, m)
+          (
+            singletonMethodOnModule(result, method, m)
+            or
+            exists(Module other |
+              extendCallModule(m, other) and
+              result = lookupMethod(other, pragma[only_bind_into](method))
+            )
+          )
         |
           // ```rb
           // def C.singleton; end # <- result

ruby/ql/test/library-tests/modules/ancestors.expected

@@ -97,13 +97,17 @@ calls.rb:
 
 #  480| ExtendSingletonMethod
 
-#  490| ProtectedMethodInModule
+#  490| ExtendSingletonMethod2
 
-#  496| ProtectedMethods
+#  496| ExtendSingletonMethod3
+
+#  509| ProtectedMethodInModule
+
+#  515| ProtectedMethods
 #-----| super -> Object
 #-----| include -> ProtectedMethodInModule
 
-#  515| ProtectedMethodsSub
+#  534| ProtectedMethodsSub
 #-----| super -> ProtectedMethods
 
 hello.rb:

ruby/ql/test/library-tests/modules/callgraph.expected

@@ -183,25 +183,29 @@ getTarget
 | calls.rb:476:1:476:27 | call to new | calls.rb:117:5:117:16 | new |
 | calls.rb:477:1:477:27 | call to new | calls.rb:117:5:117:16 | new |
 | calls.rb:478:1:478:27 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:497:5:497:35 | call to include | calls.rb:108:5:110:7 | include |
-| calls.rb:500:9:500:35 | call to puts | calls.rb:102:5:102:30 | puts |
-| calls.rb:504:9:504:11 | call to foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:505:9:505:11 | call to bar | calls.rb:499:15:501:7 | bar |
-| calls.rb:506:9:506:28 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:506:9:506:32 | call to foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:507:9:507:28 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:507:9:507:32 | call to bar | calls.rb:499:15:501:7 | bar |
-| calls.rb:511:1:511:20 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:512:1:512:20 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:513:1:513:20 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:513:1:513:24 | call to baz | calls.rb:503:5:508:7 | baz |
-| calls.rb:517:9:517:11 | call to foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:518:9:518:31 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:518:9:518:35 | call to foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:522:1:522:23 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:523:1:523:23 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:524:1:524:23 | call to new | calls.rb:117:5:117:16 | new |
-| calls.rb:524:1:524:27 | call to baz | calls.rb:516:5:519:7 | baz |
+| calls.rb:488:1:488:31 | call to singleton | calls.rb:481:5:483:7 | singleton |
+| calls.rb:494:1:494:32 | call to singleton | calls.rb:481:5:483:7 | singleton |
+| calls.rb:501:1:501:32 | call to singleton | calls.rb:481:5:483:7 | singleton |
+| calls.rb:507:1:507:13 | call to singleton | calls.rb:481:5:483:7 | singleton |
+| calls.rb:516:5:516:35 | call to include | calls.rb:108:5:110:7 | include |
+| calls.rb:519:9:519:35 | call to puts | calls.rb:102:5:102:30 | puts |
+| calls.rb:523:9:523:11 | call to foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:524:9:524:11 | call to bar | calls.rb:518:15:520:7 | bar |
+| calls.rb:525:9:525:28 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:525:9:525:32 | call to foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:526:9:526:28 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:526:9:526:32 | call to bar | calls.rb:518:15:520:7 | bar |
+| calls.rb:530:1:530:20 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:531:1:531:20 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:532:1:532:20 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:532:1:532:24 | call to baz | calls.rb:522:5:527:7 | baz |
+| calls.rb:536:9:536:11 | call to foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:537:9:537:31 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:537:9:537:35 | call to foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:541:1:541:23 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:542:1:542:23 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:543:1:543:23 | call to new | calls.rb:117:5:117:16 | new |
+| calls.rb:543:1:543:27 | call to baz | calls.rb:535:5:538:7 | baz |
 | hello.rb:12:5:12:24 | call to include | calls.rb:108:5:110:7 | include |
 | hello.rb:14:16:14:20 | call to hello | hello.rb:2:5:4:7 | hello |
 | hello.rb:20:16:20:20 | call to super | hello.rb:13:5:15:7 | message |
@@ -304,14 +308,16 @@ unresolvedCall
 | calls.rb:478:1:478:33 | call to baz_2 |
 | calls.rb:482:9:482:46 | call to puts |
 | calls.rb:485:5:485:15 | call to extend |
-| calls.rb:488:1:488:31 | call to singleton |
-| calls.rb:491:5:493:7 | call to protected |
-| calls.rb:492:9:492:42 | call to puts |
-| calls.rb:499:5:501:7 | call to protected |
-| calls.rb:511:1:511:24 | call to foo |
-| calls.rb:512:1:512:24 | call to bar |
-| calls.rb:522:1:522:27 | call to foo |
-| calls.rb:523:1:523:27 | call to bar |
+| calls.rb:491:5:491:32 | call to extend |
+| calls.rb:499:1:499:51 | call to extend |
+| calls.rb:505:1:505:32 | call to extend |
+| calls.rb:510:5:512:7 | call to protected |
+| calls.rb:511:9:511:42 | call to puts |
+| calls.rb:518:5:520:7 | call to protected |
+| calls.rb:530:1:530:24 | call to foo |
+| calls.rb:531:1:531:24 | call to bar |
+| calls.rb:541:1:541:27 | call to foo |
+| calls.rb:542:1:542:27 | call to bar |
 | hello.rb:20:16:20:26 | ... + ... |
 | hello.rb:20:16:20:34 | ... + ... |
 | hello.rb:20:16:20:40 | ... + ... |
@@ -411,8 +417,8 @@ publicMethod
 | calls.rb:430:13:432:15 | m4 |
 | calls.rb:440:13:442:15 | m5 |
 | calls.rb:481:5:483:7 | singleton |
-| calls.rb:503:5:508:7 | baz |
-| calls.rb:516:5:519:7 | baz |
+| calls.rb:522:5:527:7 | baz |
+| calls.rb:535:5:538:7 | baz |
 | hello.rb:2:5:4:7 | hello |
 | hello.rb:5:5:7:7 | world |
 | hello.rb:13:5:15:7 | message |
@@ -429,7 +435,7 @@ publicMethod
 | private.rb:66:3:67:5 | public |
 | private.rb:91:3:93:5 | call_m1 |
 protectedMethod
-| calls.rb:491:15:493:7 | foo |
-| calls.rb:499:15:501:7 | bar |
+| calls.rb:510:15:512:7 | foo |
+| calls.rb:518:15:520:7 | bar |
 | private.rb:32:3:33:5 | protected1 |
 | private.rb:35:3:36:5 | protected2 |

ruby/ql/test/library-tests/modules/calls.rb

@@ -485,7 +485,26 @@ def singleton
     extend self
 end
 
-ExtendSingletonMethod.singleton # currently unable to resolve
+ExtendSingletonMethod.singleton
+
+module ExtendSingletonMethod2
+    extend ExtendSingletonMethod
+end
+
+ExtendSingletonMethod2.singleton
+
+module ExtendSingletonMethod3
+end
+
+ExtendSingletonMethod3.extend ExtendSingletonMethod
+
+ExtendSingletonMethod3.singleton
+
+foo = "hello"
+
+foo.extend ExtendSingletonMethod
+
+foo.singleton
 
 module ProtectedMethodInModule
     protected def foo

ruby/ql/test/library-tests/modules/methods.expected

@@ -39,10 +39,10 @@ getMethod
 | calls.rb:417:1:445:3 | ConditionalInstanceMethods | m1 | calls.rb:419:9:421:11 | m1 |
 | calls.rb:417:1:445:3 | ConditionalInstanceMethods | m2 | calls.rb:424:5:436:7 | m2 |
 | calls.rb:480:1:486:3 | ExtendSingletonMethod | singleton | calls.rb:481:5:483:7 | singleton |
-| calls.rb:490:1:494:3 | ProtectedMethodInModule | foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:496:1:509:3 | ProtectedMethods | bar | calls.rb:499:15:501:7 | bar |
-| calls.rb:496:1:509:3 | ProtectedMethods | baz | calls.rb:503:5:508:7 | baz |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | baz | calls.rb:516:5:519:7 | baz |
+| calls.rb:509:1:513:3 | ProtectedMethodInModule | foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:515:1:528:3 | ProtectedMethods | bar | calls.rb:518:15:520:7 | bar |
+| calls.rb:515:1:528:3 | ProtectedMethods | baz | calls.rb:522:5:527:7 | baz |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | baz | calls.rb:535:5:538:7 | baz |
 | hello.rb:1:1:8:3 | EnglishWords | hello | hello.rb:2:5:4:7 | hello |
 | hello.rb:1:1:8:3 | EnglishWords | world | hello.rb:5:5:7:7 | world |
 | hello.rb:11:1:16:3 | Greeting | message | hello.rb:13:5:15:7 | message |
@@ -357,37 +357,37 @@ lookupMethod
 | calls.rb:417:1:445:3 | ConditionalInstanceMethods | puts | calls.rb:102:5:102:30 | puts |
 | calls.rb:417:1:445:3 | ConditionalInstanceMethods | to_s | calls.rb:172:5:173:7 | to_s |
 | calls.rb:480:1:486:3 | ExtendSingletonMethod | singleton | calls.rb:481:5:483:7 | singleton |
-| calls.rb:490:1:494:3 | ProtectedMethodInModule | foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:496:1:509:3 | ProtectedMethods | add_singleton | calls.rb:367:1:371:3 | add_singleton |
-| calls.rb:496:1:509:3 | ProtectedMethods | bar | calls.rb:499:15:501:7 | bar |
-| calls.rb:496:1:509:3 | ProtectedMethods | baz | calls.rb:503:5:508:7 | baz |
-| calls.rb:496:1:509:3 | ProtectedMethods | call_block | calls.rb:81:1:83:3 | call_block |
-| calls.rb:496:1:509:3 | ProtectedMethods | call_instance_m | calls.rb:39:1:41:3 | call_instance_m |
-| calls.rb:496:1:509:3 | ProtectedMethods | create | calls.rb:278:1:286:3 | create |
-| calls.rb:496:1:509:3 | ProtectedMethods | foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:496:1:509:3 | ProtectedMethods | funny | calls.rb:140:1:142:3 | funny |
-| calls.rb:496:1:509:3 | ProtectedMethods | indirect | calls.rb:158:1:160:3 | indirect |
-| calls.rb:496:1:509:3 | ProtectedMethods | new | calls.rb:117:5:117:16 | new |
-| calls.rb:496:1:509:3 | ProtectedMethods | optional_arg | calls.rb:76:1:79:3 | optional_arg |
-| calls.rb:496:1:509:3 | ProtectedMethods | pattern_dispatch | calls.rb:343:1:359:3 | pattern_dispatch |
-| calls.rb:496:1:509:3 | ProtectedMethods | private_on_main | calls.rb:185:1:186:3 | private_on_main |
-| calls.rb:496:1:509:3 | ProtectedMethods | puts | calls.rb:102:5:102:30 | puts |
-| calls.rb:496:1:509:3 | ProtectedMethods | to_s | calls.rb:172:5:173:7 | to_s |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | add_singleton | calls.rb:367:1:371:3 | add_singleton |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | bar | calls.rb:499:15:501:7 | bar |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | baz | calls.rb:516:5:519:7 | baz |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | call_block | calls.rb:81:1:83:3 | call_block |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | call_instance_m | calls.rb:39:1:41:3 | call_instance_m |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | create | calls.rb:278:1:286:3 | create |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | funny | calls.rb:140:1:142:3 | funny |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | indirect | calls.rb:158:1:160:3 | indirect |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | new | calls.rb:117:5:117:16 | new |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | optional_arg | calls.rb:76:1:79:3 | optional_arg |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | pattern_dispatch | calls.rb:343:1:359:3 | pattern_dispatch |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | private_on_main | calls.rb:185:1:186:3 | private_on_main |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | puts | calls.rb:102:5:102:30 | puts |
-| calls.rb:515:1:520:3 | ProtectedMethodsSub | to_s | calls.rb:172:5:173:7 | to_s |
+| calls.rb:509:1:513:3 | ProtectedMethodInModule | foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:515:1:528:3 | ProtectedMethods | add_singleton | calls.rb:367:1:371:3 | add_singleton |
+| calls.rb:515:1:528:3 | ProtectedMethods | bar | calls.rb:518:15:520:7 | bar |
+| calls.rb:515:1:528:3 | ProtectedMethods | baz | calls.rb:522:5:527:7 | baz |
+| calls.rb:515:1:528:3 | ProtectedMethods | call_block | calls.rb:81:1:83:3 | call_block |
+| calls.rb:515:1:528:3 | ProtectedMethods | call_instance_m | calls.rb:39:1:41:3 | call_instance_m |
+| calls.rb:515:1:528:3 | ProtectedMethods | create | calls.rb:278:1:286:3 | create |
+| calls.rb:515:1:528:3 | ProtectedMethods | foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:515:1:528:3 | ProtectedMethods | funny | calls.rb:140:1:142:3 | funny |
+| calls.rb:515:1:528:3 | ProtectedMethods | indirect | calls.rb:158:1:160:3 | indirect |
+| calls.rb:515:1:528:3 | ProtectedMethods | new | calls.rb:117:5:117:16 | new |
+| calls.rb:515:1:528:3 | ProtectedMethods | optional_arg | calls.rb:76:1:79:3 | optional_arg |
+| calls.rb:515:1:528:3 | ProtectedMethods | pattern_dispatch | calls.rb:343:1:359:3 | pattern_dispatch |
+| calls.rb:515:1:528:3 | ProtectedMethods | private_on_main | calls.rb:185:1:186:3 | private_on_main |
+| calls.rb:515:1:528:3 | ProtectedMethods | puts | calls.rb:102:5:102:30 | puts |
+| calls.rb:515:1:528:3 | ProtectedMethods | to_s | calls.rb:172:5:173:7 | to_s |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | add_singleton | calls.rb:367:1:371:3 | add_singleton |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | bar | calls.rb:518:15:520:7 | bar |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | baz | calls.rb:535:5:538:7 | baz |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | call_block | calls.rb:81:1:83:3 | call_block |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | call_instance_m | calls.rb:39:1:41:3 | call_instance_m |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | create | calls.rb:278:1:286:3 | create |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | funny | calls.rb:140:1:142:3 | funny |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | indirect | calls.rb:158:1:160:3 | indirect |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | new | calls.rb:117:5:117:16 | new |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | optional_arg | calls.rb:76:1:79:3 | optional_arg |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | pattern_dispatch | calls.rb:343:1:359:3 | pattern_dispatch |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | private_on_main | calls.rb:185:1:186:3 | private_on_main |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | puts | calls.rb:102:5:102:30 | puts |
+| calls.rb:534:1:539:3 | ProtectedMethodsSub | to_s | calls.rb:172:5:173:7 | to_s |
 | file://:0:0:0:0 | Class | include | calls.rb:108:5:110:7 | include |
 | file://:0:0:0:0 | Class | module_eval | calls.rb:107:5:107:24 | module_eval |
 | file://:0:0:0:0 | Class | new | calls.rb:117:5:117:16 | new |
@@ -809,29 +809,29 @@ enclosingMethod
 | calls.rb:482:9:482:46 | self | calls.rb:481:5:483:7 | singleton |
 | calls.rb:482:14:482:46 | "ExtendSingletonMethod#singleton" | calls.rb:481:5:483:7 | singleton |
 | calls.rb:482:15:482:45 | ExtendSingletonMethod#singleton | calls.rb:481:5:483:7 | singleton |
-| calls.rb:492:9:492:42 | call to puts | calls.rb:491:15:493:7 | foo |
-| calls.rb:492:9:492:42 | self | calls.rb:491:15:493:7 | foo |
-| calls.rb:492:14:492:42 | "ProtectedMethodInModule#foo" | calls.rb:491:15:493:7 | foo |
-| calls.rb:492:15:492:41 | ProtectedMethodInModule#foo | calls.rb:491:15:493:7 | foo |
-| calls.rb:500:9:500:35 | call to puts | calls.rb:499:15:501:7 | bar |
-| calls.rb:500:9:500:35 | self | calls.rb:499:15:501:7 | bar |
-| calls.rb:500:14:500:35 | "ProtectedMethods#bar" | calls.rb:499:15:501:7 | bar |
-| calls.rb:500:15:500:34 | ProtectedMethods#bar | calls.rb:499:15:501:7 | bar |
-| calls.rb:504:9:504:11 | call to foo | calls.rb:503:5:508:7 | baz |
-| calls.rb:504:9:504:11 | self | calls.rb:503:5:508:7 | baz |
-| calls.rb:505:9:505:11 | call to bar | calls.rb:503:5:508:7 | baz |
-| calls.rb:505:9:505:11 | self | calls.rb:503:5:508:7 | baz |
-| calls.rb:506:9:506:24 | ProtectedMethods | calls.rb:503:5:508:7 | baz |
-| calls.rb:506:9:506:28 | call to new | calls.rb:503:5:508:7 | baz |
-| calls.rb:506:9:506:32 | call to foo | calls.rb:503:5:508:7 | baz |
-| calls.rb:507:9:507:24 | ProtectedMethods | calls.rb:503:5:508:7 | baz |
-| calls.rb:507:9:507:28 | call to new | calls.rb:503:5:508:7 | baz |
-| calls.rb:507:9:507:32 | call to bar | calls.rb:503:5:508:7 | baz |
-| calls.rb:517:9:517:11 | call to foo | calls.rb:516:5:519:7 | baz |
-| calls.rb:517:9:517:11 | self | calls.rb:516:5:519:7 | baz |
-| calls.rb:518:9:518:27 | ProtectedMethodsSub | calls.rb:516:5:519:7 | baz |
-| calls.rb:518:9:518:31 | call to new | calls.rb:516:5:519:7 | baz |
-| calls.rb:518:9:518:35 | call to foo | calls.rb:516:5:519:7 | baz |
+| calls.rb:511:9:511:42 | call to puts | calls.rb:510:15:512:7 | foo |
+| calls.rb:511:9:511:42 | self | calls.rb:510:15:512:7 | foo |
+| calls.rb:511:14:511:42 | "ProtectedMethodInModule#foo" | calls.rb:510:15:512:7 | foo |
+| calls.rb:511:15:511:41 | ProtectedMethodInModule#foo | calls.rb:510:15:512:7 | foo |
+| calls.rb:519:9:519:35 | call to puts | calls.rb:518:15:520:7 | bar |
+| calls.rb:519:9:519:35 | self | calls.rb:518:15:520:7 | bar |
+| calls.rb:519:14:519:35 | "ProtectedMethods#bar" | calls.rb:518:15:520:7 | bar |
+| calls.rb:519:15:519:34 | ProtectedMethods#bar | calls.rb:518:15:520:7 | bar |
+| calls.rb:523:9:523:11 | call to foo | calls.rb:522:5:527:7 | baz |
+| calls.rb:523:9:523:11 | self | calls.rb:522:5:527:7 | baz |
+| calls.rb:524:9:524:11 | call to bar | calls.rb:522:5:527:7 | baz |
+| calls.rb:524:9:524:11 | self | calls.rb:522:5:527:7 | baz |
+| calls.rb:525:9:525:24 | ProtectedMethods | calls.rb:522:5:527:7 | baz |
+| calls.rb:525:9:525:28 | call to new | calls.rb:522:5:527:7 | baz |
+| calls.rb:525:9:525:32 | call to foo | calls.rb:522:5:527:7 | baz |
+| calls.rb:526:9:526:24 | ProtectedMethods | calls.rb:522:5:527:7 | baz |
+| calls.rb:526:9:526:28 | call to new | calls.rb:522:5:527:7 | baz |
+| calls.rb:526:9:526:32 | call to bar | calls.rb:522:5:527:7 | baz |
+| calls.rb:536:9:536:11 | call to foo | calls.rb:535:5:538:7 | baz |
+| calls.rb:536:9:536:11 | self | calls.rb:535:5:538:7 | baz |
+| calls.rb:537:9:537:27 | ProtectedMethodsSub | calls.rb:535:5:538:7 | baz |
+| calls.rb:537:9:537:31 | call to new | calls.rb:535:5:538:7 | baz |
+| calls.rb:537:9:537:35 | call to foo | calls.rb:535:5:538:7 | baz |
 | hello.rb:3:9:3:22 | return | hello.rb:2:5:4:7 | hello |
 | hello.rb:3:16:3:22 | "hello" | hello.rb:2:5:4:7 | hello |
 | hello.rb:3:17:3:21 | hello | hello.rb:2:5:4:7 | hello |