[regexp] implement \p{Other_ID_Start} and \p{Other_ID_Continue}.

test/mjsunit/harmony/regexp-property-special.js

Index: test/mjsunit/harmony/regexp-property-special.js
diff --git a/test/mjsunit/harmony/regexp-property-special.js b/test/mjsunit/harmony/regexp-property-special.js
index 204b77fb231750b5c6bb72dafe07a79360ea1e5e..60ab363dcea9b79e951ff94e3ae30d9b38905594 100644
--- a/test/mjsunit/harmony/regexp-property-special.js
+++ b/test/mjsunit/harmony/regexp-property-special.js
@@ -44,8 +44,14 @@ t(/\P{Assigned}+/u, "\ufdd0");
 t(/\P{Assigned}+/u, "\u{fffff}");
 f(/\P{Assigned}/u, "");
 
-t(/[^\P{Assigned}]+/u, "123");
-f(/[\P{Assigned}]+/u, "🄰🄱🄲");
-f(/[^\P{Assigned}]+/u, "\ufdd0");
-t(/[\P{Assigned}]+/u, "\u{fffff}");
-f(/[\P{Assigned}]/u, "");
+f(/[^\u1234\p{ASCII}]+/u, "\u1234");
+t(/[x\P{ASCII}]+/u, "x");
+t(/[\u1234\p{ASCII}]+/u, "\u1234");
+
+t(/^\p{Other_ID_Start}+$/u, "\u1885\u1886\u2118\u212e\u309b\u309c");
+f(/\P{OIDS}/u, "\u1885\u1886\u2118\u212e\u309b\u309c");
+f(/^[x\P{Other_ID_Start}]+$/u, "\u1885\u1886\u2118\u212e\u309b\u309cx");
+t(/[x\P{OIDS}]/u, "\u1885\u1886\u2118\u212e\u309b\u309cx");

[jgruber, 2017/04/10 13:46:50]

Is this test missing anchors? Otherwise it will match just due to the 'x'.

[Yang, 2017/04/11 09:00:37]

Good catch. Fixed.

+
+t(/^\p{Other_ID_Continue}+$/u, "\u00b7\u0387\u1369\u1371\u19da");

[jgruber, 2017/04/10 13:46:50]

We could include 

0x136A, 0x136B, 0x136C, 0x136D, 0x136E, 0x136F, 0x1370

just to be complete.

[Yang, 2017/04/11 09:00:37]

Done.

+f(/\P{OIDC}/u, "\u00b7\u0387\u1369\u1371\u19da");