[PRISM] Compile fixes (#8644)

* Fix compiling UndefNodes
* Fix compiling super on ClassNode
* Fix compile popped for ModuleNode
* Add checks for NULL nodes
* Only add newhash if not popped

1 files changed, 43 insertions, 0 deletions

diff --git a/test/ruby/test_compile_prism.rb b/test/ruby/test_compile_prism.rb
index f0e389d30a..f94bd603ca 100644
--- a/test/ruby/test_compile_prism.rb
+++ b/test/ruby/test_compile_prism.rb
@@ -322,6 +322,7 @@ module Prism
       test_prism_eval("a = 1; { a: }")
       test_prism_eval("{ to_s: }")
       test_prism_eval("{ Prism: }")
+      test_prism_eval("[ Prism: [:b, :c]]")
     end
 
     ############################################################################
@@ -362,12 +363,54 @@ module Prism
     # Scopes/statements                                                        #
     ############################################################################
 
+    def test_ClassNode
+      test_prism_eval("class PrismClassA; end")
+      test_prism_eval("class PrismClassA; end; class PrismClassB < PrismClassA; end")
+      test_prism_eval("class PrismClassA; end; class PrismClassA::PrismClassC; end")
+      test_prism_eval(<<-HERE
+        class PrismClassA; end
+        class PrismClassA::PrismClassC; end
+        class PrismClassB; end
+        class PrismClassB::PrismClassD < PrismClassA::PrismClassC; end
+      HERE
+      )
+    end
+
+    def test_ModuleNode
+      test_prism_eval("module M; end")
+      test_prism_eval("module M::N; end")
+      test_prism_eval("module ::O; end")
+    end
+
     def test_ParenthesesNode
       test_prism_eval("()")
       test_prism_eval("(1)")
     end
 
     ############################################################################
+    # Methods / parameters                                                     #
+    ############################################################################
+
+    def test_UndefNode
+      test_prism_eval("def prism_undef_node_1; end; undef prism_undef_node_1")
+      test_prism_eval(<<-HERE
+        def prism_undef_node_2
+        end
+        def prism_undef_node_3
+        end
+        undef prism_undef_node_2, prism_undef_node_3
+      HERE
+      )
+      test_prism_eval(<<-HERE
+        def prism_undef_node_4
+        end
+        undef :'prism_undef_node_#{4}'
+      HERE
+      )
+    end
+
+
+    ############################################################################
     # Pattern matching                                                         #
     ############################################################################