Add new target support to RegExp object (#3723)

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu

jerry-core/ecma/builtin-objects/ecma-builtin-regexp.c

@@ -45,14 +45,16 @@
 
 static ecma_value_t
 ecma_builtin_regexp_dispatch_helper (const ecma_value_t *arguments_list_p, /**< arguments list */
-                                     ecma_length_t arguments_list_len, /**< number of arguments */
+                                     ecma_length_t arguments_list_len) /**< number of arguments */
-                                     ecma_object_t *new_target_p) /**< pointer to the new target object */
 {
   ecma_value_t pattern_value = ECMA_VALUE_UNDEFINED;
   ecma_value_t flags_value = ECMA_VALUE_UNDEFINED;
 #if ENABLED (JERRY_ES2015)
   bool create_regexp_from_bc = false;
   bool free_arguments = false;
+  ecma_object_t *new_target_p = JERRY_CONTEXT (current_new_target);
+#else /* !ENABLED (JERRY_ES2015) */
+  ecma_object_t *new_target_p = NULL;
 #endif /* ENABLED (JERRY_ES2015) */
 
   if (arguments_list_len > 0)
@@ -206,8 +208,7 @@ ecma_builtin_regexp_dispatch_call (const ecma_value_t *arguments_list_p, /**< ar
                                    ecma_length_t arguments_list_len) /**< number of arguments */
 {
   return ecma_builtin_regexp_dispatch_helper (arguments_list_p,
-                                              arguments_list_len,
+                                              arguments_list_len);
-                                              NULL);
 } /* ecma_builtin_regexp_dispatch_call */
 
 /**
@@ -221,8 +222,7 @@ ecma_builtin_regexp_dispatch_construct (const ecma_value_t *arguments_list_p, /*
                                         ecma_length_t arguments_list_len) /**< number of arguments */
 {
   return ecma_builtin_regexp_dispatch_helper (arguments_list_p,
-                                              arguments_list_len,
+                                              arguments_list_len);
-                                              ecma_builtin_get (ECMA_BUILTIN_ID_REGEXP));
 } /* ecma_builtin_regexp_dispatch_construct */
 
 #if ENABLED (JERRY_ES2015)

tests/jerry/es2015/regexp-new-target.js

@@ -0,0 +1,19 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+function F(){}
+var obj = Reflect.construct(RegExp, ["baz","g"], F);
+assert(RegExp.prototype.exec.call(obj, "foobarbaz")[0] === "baz")
+assert(obj.lastIndex === 9)
+assert(obj instanceof F);