[YARP] Implement ClassVariableTargetNode

test/yarp/compiler_test.rb

@@ -86,6 +86,10 @@ module YARP
     # Writes                                                                   #
     ############################################################################
 
+    def test_ClassVariableTargetNode
+      test_yarp_eval("class YARP::CompilerTest; @@yct, @@yct1 = 1; end")
+    end
+
     def test_ClassVariableWriteNode
       test_yarp_eval("class YARP::CompilerTest; @@yct = 1; end")
     end

yarp/yarp_compiler.c

@@ -851,6 +851,12 @@ yp_compile_node(rb_iseq_t *iseq, const yp_node_t *node, LINK_ANCHOR *const ret,
           }
           return;
       }
+      case YP_CLASS_VARIABLE_TARGET_NODE: {
+          yp_class_variable_target_node_t *write_node = (yp_class_variable_target_node_t *) node;
+          ID cvar_name = yp_constant_id_lookup(compile_context, write_node->name);
+          ADD_INSN2(ret, &dummy_line_node, setclassvariable, ID2SYM(cvar_name), get_cvar_ic_value(iseq, cvar_name));
+          return;
+      }
       case YP_CLASS_VARIABLE_WRITE_NODE: {
           yp_class_variable_write_node_t *write_node = (yp_class_variable_write_node_t *) node;
           YP_COMPILE_NOT_POPPED(write_node->value);