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(in-package #:monparser)
(defun whitespace? (x)
(or (char= x #\Space)
(not (graphic-char-p x))))
(defparameter whitespace
(many (unit #'whitespace?)))
(defmacro literal (word)
(when (not (stringp word))
(error "Literal only accepts strings as input."))
(let ((binding-list '())
(name-list '()))
(loop :for c :across word :do
(when c
(let ((name (gensym)))
(push name name-list)
(push `(,name (unit ,c)) binding-list))))
`(comp ,(reverse binding-list)
,(cons 'list (reverse name-list)))))
(defun separated-list (p separator)
(many
(comp ((v p)
(_ (optional separator)))
v)))
(defun surround (left p &optional right)
(comp ((_ left)
(value p)
(_ (or right nothing)))))
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