Code coverage report for sc/lang/compiler/lexer/punctuator.js

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(function(sc) {
  "use strict";
 
  require("./lexer");
 
  var Token = sc.lang.compiler.Token;
  var Lexer = sc.lang.compiler.Lexer;
 
  Lexer.addLexMethod("Punctuator", function(source, index) {
    return new PunctuatorLexer(source, index).scan();
  });
 
  function PunctuatorLexer(source, index) {
    this.source = source;
    this.index = index;
  }
 
  var re = /^(\.{1,3}|[(){}[\]:;,~#`]|[-+*\/%<=>!?&|@]+)/;
 
  PunctuatorLexer.prototype.scan = function() {
    var source = this.source;
    var index  = this.index;
 
    var items = re.exec(source.slice(index));
 
    if (items) {
      return {
        type: Token.Punctuator, value: items[0], length: items[0].length
      };
    }
 
    return { error: true, value: source.charAt(index), length: 1 };
  };
})(sc);