code: function ExpressionStatement(data, define) {
      this.child = parseExpression(data, define ? define.line : 'unknown');
  
      if (this.child instanceof SyntaxError) throw this.child;
      else if (this.child.error) throw this.child.error;
  }
docs: Represents some form of expression to find a value
  
  @param {String} data The code to parse
  @param {Function} define