Validate ClassNode

Author: thomasmarshall

config.yml

@@ -1865,7 +1865,7 @@ nodes:
         kind:
           - ConstantReadNode
           - ConstantPathNode
-          - on error: CallNode # class 0.X end
+          - on error: ErrorRecoveryNode
       - name: inheritance_operator_loc
         type: location?
         comment: |

src/prism.c

@@ -18694,7 +18694,8 @@ parse_expression_prefix(pm_parser_t *parser, pm_binding_power_t binding_power, b
             pm_parser_scope_pop(parser);
             pm_do_loop_stack_pop(parser);
 
-            if (!PM_NODE_TYPE_P(constant_path, PM_CONSTANT_PATH_NODE) && !(PM_NODE_TYPE_P(constant_path, PM_CONSTANT_READ_NODE))) {
+            PM_VALIDATE_NODE_TYPE(parser, constant_path, PM_CONSTANT_PATH_NODE, PM_CONSTANT_READ_NODE);
+            if (PM_NODE_TYPE_P(constant_path, PM_ERROR_RECOVERY_NODE)) {
                 pm_parser_err_node(parser, constant_path, PM_ERR_CLASS_NAME);
             }
 

test/prism/result/error_recovery_test.rb

@@ -45,7 +45,8 @@ def test_class_node_constant_path_call
       refute result.success?
 
       node = result.value.statements.body.first
-      assert_kind_of CallNode, node.constant_path
+      assert_kind_of ErrorRecoveryNode, node.constant_path
+      assert_kind_of CallNode, node.constant_path.child
     end
 
     def test_for_node_index_back_reference