is a predefined form parser for use with define-form-parser. The parser consumes one subform and returns a dspec made from the defining form and the subform. This can be used in the common case where a defining form has a name that follows the defining macro and the dspec class is the same as the defining macro, for example defclass.
is the predefined parser for
top level forms. It is also the parser for various LispWorks extensions such as defsystem.
You can define it to be the parser for your defining forms. using define-form-parser.