Enable regular expressions.

- add regular expressions support to JS parser and interpreter;
- add tests for regular expressions.

JerryScript-DCO-1.0-Signed-off-by: Szilard Ledan szledan.u-szeged@partner.samsung.com
JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com

tests/jerry/regexp-routines.js

@@ -0,0 +1,50 @@
+// Copyright 2015 Samsung Electronics Co., Ltd.
+// Copyright 2015 University of Szeged.
+//
+// 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 r;
+
+r = new RegExp ("a");
+assert (r.exec ("a") == "a");
+assert (r.exec ("b") == undefined);
+try {
+	r.exec.call({}, "a");
+	assert (false)
+}
+catch (e)
+{
+	assert (e instanceof TypeError);
+}
+
+assert (r.test ("a") == true);
+assert (r.test ("b") == false);
+try {
+	r.test.call({}, "a");
+	assert (false)
+}
+catch (e)
+{
+	assert (e instanceof TypeError);
+}
+
+r = new RegExp ("a", "mig");
+assert (r.toString () == "/a/gim");
+try {
+	r.toString.call({}, "a");
+	assert (false)
+}
+catch (e)
+{
+	assert (e instanceof TypeError);
+}