Implement RegExp unicode and sticky flags (#3379)

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

tests/jerry/es2015/regexp-flags.js

@@ -0,0 +1,62 @@
+// 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 r = /[𐲡-𐲱𐲟]/u;
+
+var m = r.exec("𐲬");
+assert(m !== null);
+assert(m[0] === "𐲬");
+
+r = /[𐲡E]/ug;
+assert (r.exec("E𐲡E")[0] === 'E');
+assert (r.exec("E𐲡E")[0] === '𐲡');
+assert (r.exec("E𐲡E")[0] === 'E');
+
+try {
+  eval("/[𐲡-𐲱𐲟]/");
+  assert (false);
+} catch (e) {
+  assert (e instanceof SyntaxError);
+}
+
+assert (/\udc96/.exec("\ud803\udc96")[0] === '\udc96');
+assert (/\udc96/u.exec("\ud803\udc96") === null);
+assert (/\udc96/u.exec("\udc96")[0] === '\udc96');
+
+assert (/\ud803/.exec("\ud803\udc96")[0] === '\ud803');
+assert (/\ud803/u.exec("\ud803\udc96") === null);
+assert (/\ud803/u.exec("\ud803")[0] === '\ud803');
+
+assert (/./u.exec("\ud803\udc96")[0] === '𐲖');
+assert (/./.exec("\ud803\udc96")[0] === '\ud803');
+assert (/./u.exec("\ud803\ud803")[0] === '\ud803');
+assert (/./u.exec("\udc96\udc96")[0] === '\udc96');
+assert (/./u.exec("\ud803")[0] === '\ud803');
+
+var r = /abc/y;
+m = r.exec ("strabcstr");
+assert (m === null);
+
+r.lastIndex = 3;
+m = r.exec ("strabcstr");
+assert (m[0] === "abc");
+assert (r.lastIndex === 6);
+
+m = r.exec ("strabcstr");
+assert (m === null);
+assert (r.lastIndex === 0);
+
+var r = /abc/yg;
+m = r.exec ("strabcstr");
+assert (m === null);

tests/jerry/es2015/regexp-routines.js

@@ -84,3 +84,63 @@ try {
 } catch (e) {
   assert (e === "abrupt flags toString");
 }
+
+var o = {
+  global: true,
+  source: "str"
+}
+
+Object.defineProperty(o, 'unicode', { 'get': function () {throw "abrupt unicode get"; }});
+try {
+  RegExp.prototype[Symbol.match].call(o, "str");
+  assert (false);
+} catch (e) {
+  assert (e === "abrupt unicode get");
+}
+
+assert ("str𐲡fgh".replace(/(?:)/gu, "x") === 'xsxtxrx𐲡xfxgxhx');
+assert ("str𐲡fgh".replace(/(?:)/g, "x") === 'xsxtxrx\ud803x\udca1xfxgxhx');
+
+r = /(?:)/gu;
+/* Disable fast path. */
+r.exec = function (s) { return RegExp.prototype.exec.call(this, s); };
+
+assert ("str𐲡fgh".replace(r, "x") === 'xsxtxrx𐲡xfxgxhx');
+Object.defineProperty(r, 'unicode', {value: false});
+assert ("str𐲡fgh".replace(r, "x") === 'xsxtxrx\ud803x\udca1xfxgxhx');
+
+r = /(?:)/gu;
+assert (RegExp.prototype[Symbol.match].call(r, "str𐲡fgh").length === 8);
+Object.defineProperty(r, 'unicode', {value: false});
+assert (RegExp.prototype[Symbol.match].call(r, "str𐲡fgh").length === 9);
+
+r = /(?:)/gy;
+r.lastIndex = 2;
+assert ("asd".replace(r, "x") === "xaxsxdx");
+assert (r.lastIndex === 0);
+
+r.lastIndex = 5;
+assert ("asd".replace(r, "x") === "xaxsxdx");
+assert (r.lastIndex === 0);
+
+r = /(?:)/y;
+r.lastIndex = 2;
+assert ("asd".replace(r, "x") === "asxd");
+assert (r.lastIndex === 2);
+
+r.lastIndex = 5;
+assert ("asd".replace(r, "x") === "asd");
+assert (r.lastIndex === 0);
+
+r.lastIndex = 2;
+/* Disable fast path. */
+r.exec = function (s) { return RegExp.prototype.exec.call(this, s); };
+assert ("asd".replace(r, "x") === "asxd");
+assert (r.lastIndex === 2);
+
+r.lastIndex = 5;
+assert ("asd".replace(r, "x") === "asd");
+assert (r.lastIndex === 0);
+
+assert (RegExp.prototype[Symbol.match].call(/a/y, "aaa").length === 1);
+assert (RegExp.prototype[Symbol.match].call(/a/gy, "aaa").length === 3);