Refactor RegExp builtin (#3136)

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu

tests/jerry/es2015/regexp-lastindex.js

@@ -0,0 +1,20 @@
+// 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.
+
+var t = new RegExp ("abc","g");
+t.lastIndex = -12;
+result = t.exec("abc   abc");
+assert(result[0] === "abc");
+assert(result.index === 0);
+assert(t.lastIndex === 3);

tests/jerry/es5.1/regexp-lastindex.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.
+
+var t = new RegExp ("abc","g");
+t.lastIndex = -12;
+result = t.exec("abc   abc");
+assert(!result);
+assert(t.lastIndex === 0);

tests/jerry/regexp-assertions.js

@@ -167,9 +167,3 @@ t.lastIndex = "2"
 var result = t.exec("abc   abc");
 assert(result[0] === "abc");
 assert(result.index === 6);
-
-t = new RegExp ("abc","g");
-t.lastIndex = -12;
-result = t.exec("abc   abc");
-assert(!result);
-assert(t.lastIndex === 0);