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(in-package #:monparser)
(defmacro define-tests (&body tests)
(let ((test-forms))
(dolist (test tests)
(let ((parser (first test))
(input (second test))
(expected (third test)))
(push `(let* ((actual (parse ,parser ,input))
(passed? (if (eq ,expected :failure)
(failure-p actual)
(and (parsing-p actual)
(equalp ,expected (parsing-tree actual))))))
(if passed?
(incf test-passed)
(progn
(format t "FAIL: ~a ~a ~&~tExpected: ~a~&~tActual: ~a~&~%"
',parser
,input
,expected
(if (parsing-p actual)
(parsing-tree actual)
actual))
(incf test-failed))))
test-forms)))
`(defun run-tests ()
(let ((test-passed 0)
(test-failed 0))
,@(reverse test-forms)
(format t "PASSED: ~a~&" test-passed)
(format t "FAILED: ~a~&" test-failed)))))
(defparser whitespace ()
(optional (many (unit #'whitespace?))))
(defparser lazy-test ()
(within whitespace
(one-of (unit #\h)
(comp ((_ (unit #\{))
(body (optional (many (lazy lazy-test))))
(_ (unit #\})))
body)
(comp ((_ (unit #\())
(body (optional (many (lazy lazy-test))))
(_ (unit #\))))
body)
(unit))))
(define-tests
((unit) "hello" #\h)
((unit #\h) "hello" #\h)
((unit #\x) "hello" :failure)
((unit #'alpha-char-p) "hello" #\h)
((unit #'digit-char-p) "1abc" #\1)
((unit #\@) "hello" :failure)
((unit #\x) "" :failure)
((many (unit #\h)) "hello" (list #\h))
((many (unit #\h)) "hhhhhhhello" (list #\h #\h #\h #\h #\h #\h #\h))
((many (unit #\h)) "ello" :failure)
((many (unit #\x)) "hello" :failure)
((many (unit #\h)) "" :failure)
((many (unit #'alpha-char-p)) "abc123xyz" (list #\a #\b #\c))
((optional (many (unit #\h))) "hello" (list #\h))
((optional (many (unit #\h))) "hhhhhhhello" (list #\h #\h #\h #\h #\h #\h #\h))
((optional (many (unit #\h))) "ello" nil)
((optional (many (unit #\h))) "" nil)
((many (optional (unit #\h))) "hello" (list #\h))
((many (optional (unit #\h))) "hhhhhhhello" (list #\h #\h #\h #\h #\h #\h #\h))
((many (optional (unit #\h))) "ello" :failure)
((many (optional (unit #\h))) "" :failure)
((comp ((prefix (optional (literal "zy")))
(match (if prefix
(fail "Reached prefix")
(unit))))
match)
"zy" :failure)
((comp ((prefix (optional (literal "zy")))
(match (if prefix
(fail "Reached prefix")
(unit))))
match)
"ezy" #\e)
((many (comp ((prefix (optional (literal "zy")))
(match (if prefix
(fail "Reached prefix")
(unit))))
match))
"the quick brown fox jumps over the lazy dog."
(coerce "the quick brown fox jumps over the la" 'list))
((optional
(many
(comp ((prefix (optional (literal "zy")))
(match (if prefix
(fail "Reached prefix")
(unit))))
match)))
"the quick brown fox jumps over the lazy dog."
(coerce "the quick brown fox jumps over the la" 'list))
((literal "hello") "hello world" (list #\h #\e #\l #\l #\o))
((literal "hello") "hello" (list #\h #\e #\l #\l #\o))
((literal "hello") "help" :failure)
((literal "hello") "world" :failure)
((literal "") "hello" (list))
((literal "ab") "abc" (list #\a #\b))
((one-of (unit #\a) (unit #\b)) "abc" #\a)
((one-of (unit #\b) (unit #\a)) "abc" #\a)
((one-of (unit #\c) (unit #\d)) "abc" :failure)
((one-of (unit #\h)
(comp ((_ (unit #\())
(body (optional (many (unit #\h))))
(_ (unit #\))))
body)
(unit))
"(hhh)ello" (list #\h #\h #\h))
((many (unit #'whitespace?)) " abc" (list #\Space #\Space))
((many (unit #'whitespace?)) (format nil "~a~aabc" #\Tab #\Newline) (list #\Tab #\Newline))
((many (unit #'whitespace?)) "abc" :failure)
((many (unit #'whitespace?)) "" :failure)
((repeat (unit #\h) 3) "hhhello" (list #\h #\h #\h))
((repeat (unit #\h) 3) "hh" :failure)
((repeat (unit #\x) 3) "hello" :failure)
((within (literal "(") (many (unit #\a)) (literal ")")) "(aaa)bc" (list #\a #\a #\a))
((within (literal "[") (many (unit #\x)) (literal "]")) "[xxxx]bc" (list #\x #\x #\x #\x))
((within (literal "(") (many (unit #\a)) (literal ")")) "((aaa)bc" :failure)
((within (literal "(") (many (unit #\a)) (literal ")")) "(aaabc" :failure)
((comp ((a (unit #\a))
(b (unit #\b)))
(format nil "~a~a" a b))
"abc" "ab")
((comp ((a (many (unit #\a)))
(b (many (unit #\b))))
(format nil "~a ~a" a b))
"aaabbbccc" "(a a a) (b b b)")
((comp ((a (unit #\1))
(b (unit #\2))
(c (unit #\3)))
(list a b c))
"12345" (list #\1 #\2 #\3))
((comp ((_ (unit #\{))
(body (optional (many (unit #\h))))
(_ (unit #\})))
body)
"{hhh}" (list #\h #\h #\h))
(lazy-test "(hhh)ello" (list #\h #\h #\h))
((comp ((a (literal "hello"))
(b (literal "world")))
(format nil "~a ~a" a b))
"helloworld" "(h e l l o) (w o r l d)")
((comp ((a (literal "hello"))
(b (literal "world")))
(format nil "~a ~a" a b))
"hello there" :failure)
((comp ((a (literal "foo"))
(b (literal "bar"))
(c (literal "baz")))
(list a b c))
"foobarbaz" (list (list #\f #\o #\o) (list #\b #\a #\r) (list #\b #\a #\z)))
((comp ((a (literal "foo"))
(b (literal "bar"))
(c (literal "baz")))
(list a b c))
"fooquxbaz" :failure)
((many (unit (lambda (c) (char= c #\0)))) "000123" (list #\0 #\0 #\0 #\1 #\2 #\3))
((many (unit (lambda (c) (oddp (digit-char-p c))))) "13579abc" (list #\1 #\3 #\5 #\7 #\9 #\a #\b #\c))
((many (unit (lambda (c) (char= c #\x)))) "xxx" (list #\x #\x #\x))
((many (unit (lambda (c) (char= c #\x)))) "xxxyyy" (list #\x #\x #\x #\y #\y #\y))
((many (within (literal "(") (unit #\a) (literal ")"))) "(a)(a)(a)bc" (list #\a #\a #\a))
((many (comp ((a (unit #\a))
(b (unit #\b)))
(list a b)))
"abababc" (list (list #\a #\b) (list #\a #\b) (list #\a #\b)))
((many (comp ((a (unit #\1))
(b (unit #\2)))
(concatenate 'string (list a b))))
"121212xyz" (list "12" "12" "12"))
((unit #\x) "" :failure)
((many (unit #\x)) "" :failure)
((optional (unit #\x)) "" nil)
((literal "xyz") "" :failure)
((many (literal "ab")) "ababab" (list (list #\a #\b) (list #\a #\b) (list #\a #\b)))
((many (literal "ab")) "ababxab" (list (list #\a #\b) (list #\a #\b))))
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