michael@0: // Copyright 2009 the Sputnik authors.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * If multi line comments csn not nest, they can contain any Unicode character
michael@0:  *
michael@0:  * @path ch07/7.4/S7.4_A6.js
michael@0:  * @description "var"+ yy+ "xx = 1", insert instead of yy all Unicode characters
michael@0:  */
michael@0: 
michael@0: //CHECK
michael@0: var errorCount = 0;
michael@0: var count = 0;
michael@0: for (var indexI = 0; indexI <= 65535; indexI++) {
michael@0:   try {
michael@0:     var xx = 0;
michael@0:     eval("/*var " + String.fromCharCode(indexI) + "xx = 1*/");
michael@0:     var hex = decimalToHexString(indexI);
michael@0:     if (xx !== 0) {
michael@0:       $ERROR('#' + hex + ' ');
michael@0:       errorCount++;
michael@0:     }
michael@0:   } catch (e){
michael@0:     $ERROR('#' + hex + ' ');
michael@0:     errorCount++;
michael@0:   }
michael@0:   count++;
michael@0: }
michael@0: 
michael@0: if (errorCount > 0) {
michael@0:   $ERROR('Total error: ' + errorCount + ' bad Unicode character in ' + count);
michael@0: }
michael@0: 
michael@0: function decimalToHexString(n) {
michael@0:   n = Number(n);
michael@0:   var h = "";
michael@0:   for (var i = 3; i >= 0; i--) {
michael@0:     if (n >= Math.pow(16, i)) {
michael@0:       var t = Math.floor(n / Math.pow(16, i));
michael@0:       n -= t * Math.pow(16, i);
michael@0:       if ( t >= 10 ) {
michael@0:         if ( t == 10 ) { h += "A"; }
michael@0:         if ( t == 11 ) { h += "B"; }
michael@0:         if ( t == 12 ) { h += "C"; }
michael@0:         if ( t == 13 ) { h += "D"; }
michael@0:         if ( t == 14 ) { h += "E"; }
michael@0:         if ( t == 15 ) { h += "F"; }
michael@0:       } else {
michael@0:         h += String(t);
michael@0:       }
michael@0:     } else {
michael@0:       h += "0";
michael@0:     }
michael@0:   }
michael@0:   return h;
michael@0: }
michael@0: