X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fpprint.impure.lisp;h=05a7525fe7fb3cfc4ee9aa054e62d8e9de53c5ce;hb=aa8c8cd473f1d487fa2c1a7490c78a59b9955bbe;hp=a88e54adad4d26d1609ac3bfc4c24cddf84336b6;hpb=8cd789d3fc2be931ee5c3d31f102616021f7f227;p=sbcl.git diff --git a/tests/pprint.impure.lisp b/tests/pprint.impure.lisp index a88e54a..05a7525 100644 --- a/tests/pprint.impure.lisp +++ b/tests/pprint.impure.lisp @@ -6,7 +6,7 @@ ;;;; While most of SBCL is derived from the CMU CL system, the test ;;;; files (like this one) were written from scratch after the fork ;;;; from CMU CL. -;;;; +;;;; ;;;; This software is in the public domain and is provided with ;;;; absolutely no warranty. See the COPYING and CREDITS files for ;;;; more information. @@ -16,7 +16,7 @@ ;;;; tests for former BUG 99, where pretty-printing was pretty messed ;;;; up, e.g. PPRINT-LOGICAL-BLOCK - because of CHECK-FOR-CIRCULARITY ;;;; - didn't really work: -;;;; "DESCRIBE interacts poorly with *PRINT-CIRCLE*, e.g. the output from +;;;; "DESCRIBE interacts poorly with *PRINT-CIRCLE*, e.g. the output from ;;;; (let ((*print-circle* t)) (describe (make-hash-table))) ;;;; is weird, [...] # is an . (EQL) ;;;; ..." @@ -28,6 +28,12 @@ (prog1 nil (setf (cdr *circ-list*) *circ-list*))) +;;; I think this test is bogus. PPRINT-LOGICAL-BLOCK needs to print +;;; the #1= and mark *CIRC-LIST* as having been printed for the first +;;; time. After that any attempt to print *CIRC-LIST* must result in +;;; in a #1# being printed. Thus the right output is (for once) +;;; #1=#1#. -- JES, 2005-06-05 +#+nil ;;; circular lists are still being printed correctly? (assert (equal (with-output-to-string (*standard-output*) @@ -91,58 +97,108 @@ ;;; bug 141b: not enough care taken to disambiguate ,.FOO and ,@FOO ;;; from , .FOO and , @FOO (assert (equal - (with-output-to-string (s) - (write '`(, .foo) :stream s :pretty t :readably t)) - "`(, .FOO)")) + (with-output-to-string (s) + (write '`(, .foo) :stream s :pretty t :readably t)) + "`(, .FOO)")) (assert (equal - (with-output-to-string (s) - (write '`(, @foo) :stream s :pretty t :readably t)) - "`(, @FOO)")) + (with-output-to-string (s) + (write '`(, @foo) :stream s :pretty t :readably t)) + "`(, @FOO)")) (assert (equal - (with-output-to-string (s) - (write '`(, ?foo) :stream s :pretty t :readably t)) - "`(,?FOO)")) + (with-output-to-string (s) + (write '`(, ?foo) :stream s :pretty t :readably t)) + "`(,?FOO)")) ;;; bug reported by Paul Dietz on sbcl-devel: unquoted lambda lists ;;; were leaking the SB-IMPL::BACKQ-COMMA implementation. (assert (equal - (with-output-to-string (s) - (write '`(foo ,x) :stream s :pretty t :readably t)) - "`(FOO ,X)")) + (with-output-to-string (s) + (write '`(foo ,x) :stream s :pretty t :readably t)) + "`(FOO ,X)")) (assert (equal - (with-output-to-string (s) - (write '`(foo ,@x) :stream s :pretty t :readably t)) - "`(FOO ,@X)")) -#+nil ; '`(foo ,.x) => '`(foo ,@x) apparently. + (with-output-to-string (s) + (write '`(foo ,@x) :stream s :pretty t :readably t)) + "`(FOO ,@X)")) +#+nil ; '`(foo ,.x) => '`(foo ,@x) apparently. (assert (equal - (with-output-to-string (s) - (write '`(foo ,.x) :stream s :pretty t :readably t)) - "`(FOO ,.X)")) + (with-output-to-string (s) + (write '`(foo ,.x) :stream s :pretty t :readably t)) + "`(FOO ,.X)")) (assert (equal - (with-output-to-string (s) - (write '`(lambda ,x) :stream s :pretty t :readably t)) - "`(LAMBDA ,X)")) + (with-output-to-string (s) + (write '`(lambda ,x) :stream s :pretty t :readably t)) + "`(LAMBDA ,X)")) (assert (equal - (with-output-to-string (s) - (write '`(lambda ,@x) :stream s :pretty t :readably t)) - "`(LAMBDA ,@X)")) + (with-output-to-string (s) + (write '`(lambda ,@x) :stream s :pretty t :readably t)) + "`(LAMBDA ,@X)")) #+nil ; see above (assert (equal - (with-output-to-string (s) - (write '`(lambda ,.x) :stream s :pretty t :readably t)) - "`(LAMBDA ,.X)")) + (with-output-to-string (s) + (write '`(lambda ,.x) :stream s :pretty t :readably t)) + "`(LAMBDA ,.X)")) +(assert (equal + (with-output-to-string (s) + (write '`(lambda (,x)) :stream s :pretty t :readably t)) + "`(LAMBDA (,X))")) +;;; more backquote printing brokenness, fixed quasi-randomly by CSR. +;;; NOTE KLUDGE FIXME: because our backquote optimizes at read-time, +;;; these assertions, like the ones above, are fragile. Likewise, it +;;; is very possible that at some point READABLY printing backquote +;;; expressions will have to change to printing the low-level conses, +;;; since the magical symbols are accessible though (car '`(,foo)) and +;;; friends. HATE HATE HATE. -- CSR, 2004-06-10 +(assert (equal + (with-output-to-string (s) + (write '``(foo ,@',@bar) :stream s :pretty t)) + "``(FOO ,@',@BAR)")) +(assert (equal + (with-output-to-string (s) + (write '``(,,foo ,',foo foo) :stream s :pretty t)) + "``(,,FOO ,',FOO FOO)")) (assert (equal - (with-output-to-string (s) - (write '`(lambda (,x)) :stream s :pretty t :readably t)) - "`(LAMBDA (,X))")) + (with-output-to-string (s) + (write '``(((,,foo) ,',foo) foo) :stream s :pretty t)) + "``(((,,FOO) ,',FOO) FOO)")) -;;; SET-PPRINT-DISPATCH should accept function name arguments +;;; SET-PPRINT-DISPATCH should accept function name arguments, and not +;;; rush to coerce them to functions. +(set-pprint-dispatch '(cons (eql frob)) 'ppd-function-name) (defun ppd-function-name (s o) (print (length o) s)) -(set-pprint-dispatch '(cons (eql frob)) 'ppd-function-name) (let ((s (with-output-to-string (s) - (pprint '(frob a b) s)))) + (pprint '(frob a b) s)))) (assert (position #\3 s))) +;; Test that circularity detection works with pprint-logical-block +;; (including when called through pprint-dispatch). +(let ((*print-pretty* t) + (*print-circle* t) + (*print-pprint-dispatch* (copy-pprint-dispatch))) + (labels ((pprint-a (stream form &rest rest) + (declare (ignore rest)) + (pprint-logical-block (stream form :prefix "<" :suffix ">") + (pprint-exit-if-list-exhausted) + (loop + (write (pprint-pop) :stream stream) + (pprint-exit-if-list-exhausted) + (write-char #\space stream))))) + (set-pprint-dispatch '(cons (eql a)) #'pprint-a) + (assert (string= "" + (with-output-to-string (s) + (write '(a 1 2 3) :stream s)))) + (assert (string= "#1=" + (with-output-to-string (s) + (write '#2=(a 1 #2# #5=#(2) #5#) :stream s)))) + (assert (string= "#1=(B #2= #2#)" + (with-output-to-string (s) + (write '#3=(b #4=(a 1 #3# 2 3) #4#) :stream s)))))) + +;; Test that a circular improper list inside a logical block works. +(let ((*print-circle* t) + (*print-pretty* t)) + (assert (string= "#1=(#2=(#2# . #3=(#1# . #3#)))" + (with-output-to-string (s) + (write '#1=(#2=(#2# . #3=(#1# . #3#))) :stream s))))) + ;;; success -(quit :unix-status 104)