code: function FunctionStatement(name, args) {
      if (name[name.length - 1] === '$') {
          this.type = 'string';
          this.name = name.substring(0, name.length - 1);
      } else {
          this.type = 'number';
          this.name = name;
      }
  
      var positions = util.findPositions(args, [
          { 'start': '"', 'end': '"' },
          { 'start': '(', 'end': ')' }
      ]);
      var argList = util.splitOutside(args, ",", positions);
  
      this.args = [];
      for (var i = 0; i < argList.length; i++) {
          this.args.push(new statements.ExpressionStatement(argList[i].trim()));
      }
  }
docs: Represents a function call
  
  @param {String} name The name of the function
  @param {String} args The arguments to the function