Update to Unicode v9

bin/generate-identifier-regex.js

@@ -1,14 +1,20 @@
+"use strict";
+
 // Which Unicode version should be used?
-var version = '8.0.0';
+const version = "9.0.0";
 
-var start = require('unicode-' + version + '/properties/ID_Start/code-points')
-    .filter(function(ch) { return ch > 127; });
-var last = -1;
-var cont = [0x200c, 0x200d].concat(require('unicode-' + version + '/properties/ID_Continue/code-points')
-    .filter(function(ch) { return ch > 127 && search(start, ch, last + 1) == -1; }));
+const start = require("unicode-" + version + "/Binary_Property/ID_Start/code-points.js")
+    .filter(function(ch) { return ch > 0x7f; });
+let last = -1;
+const cont = [0x200c, 0x200d].concat(
+  require("unicode-" + version + "/Binary_Property/ID_Continue/code-points.js")
+    .filter(function(ch) {
+      return ch > 0x7f && search(start, ch, last + 1) == -1;
+    })
+  );
 
 function search(arr, ch, starting) {
-  for (var i = starting; arr[i] <= ch && i < arr.length; last = i++)
+  for (let i = starting; arr[i] <= ch && i < arr.length; last = i++)
     if (arr[i] === ch)
       return i;
   return -1;
@@ -20,15 +26,17 @@ function pad(str, width) {
 }
 
 function esc(code) {
-  var hex = code.toString(16);
+  const hex = code.toString(16);
   if (hex.length <= 2) return "\\x" + pad(hex, 2);
   else return "\\u" + pad(hex, 4);
 }
 
 function generate(chars) {
-  var astral = [], re = "";
-  for (var i = 0, at = 0x10000; i < chars.length; i++) {
-    var from = chars[i], to = from;
+  const astral = [];
+  let re = "";
+  for (let i = 0, at = 0x10000; i < chars.length; i++) {
+    const from = chars[i];
+    let to = from;
     while (i < chars.length - 1 && chars[i + 1] == to + 1) {
       i++;
       to++;
@@ -45,9 +53,10 @@ function generate(chars) {
   return {nonASCII: re, astral: astral};
 }
 
-var startData = generate(start), contData = generate(cont);
+const startData = generate(start);
+const contData = generate(cont);
 
-console.log("let nonASCIIidentifierStartChars = \"" + startData.nonASCII + "\"");
-console.log("let nonASCIIidentifierChars = \"" + contData.nonASCII + "\"");
-console.log("const astralIdentifierStartCodes = " + JSON.stringify(startData.astral));
-console.log("const astralIdentifierCodes = " + JSON.stringify(contData.astral));
+console.log("let nonASCIIidentifierStartChars = \"" + startData.nonASCII + "\";");
+console.log("let nonASCIIidentifierChars = \"" + contData.nonASCII + "\";");
+console.log("const astralIdentifierStartCodes = " + JSON.stringify(startData.astral) + ";");
+console.log("const astralIdentifierCodes = " + JSON.stringify(contData.astral) + ";");

package.json

@@ -21,7 +21,7 @@
     "babel-preset-stage-0": "^6.5.0",
     "kcheck": "^2.0.1",
     "lodash": "^4.6.1",
-    "unicode-7.0.0": "~0.1.5"
+    "unicode-9.0.0": "~0.7.0"
   },
   "bin": {
     "babylon": "./bin/babylon.js"