mirror of
git://git.code.sf.net/p/sbcl/sbcl
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81 lines
2.2 KiB
Common Lisp
81 lines
2.2 KiB
Common Lisp
;;;; -*- lisp -*-
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;;;; This software is part of the SBCL system. See the README file for
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;;;; more information.
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;;;;
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;;;; While most of SBCL is derived from the CMU CL system, the test
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;;;; files (like this one) were written from scratch after the fork
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;;;; from CMU CL.
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;;;;
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;;;; This software is in the public domain and is provided with
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;;;; absolutely no warranty. See the COPYING and CREDITS files for
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;;;; more information.
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(cl:in-package :cl-user)
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;;;; recognize self-calls
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(declaim (optimize speed))
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;;;; These three forms should be equivalent.
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;;; This used to be a bug in the handling of null-lexenv vs toplevel
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;;; policy: LOCALLY and MACROLET hid the toplevel policy from view.
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(locally
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(defun foo (n)
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(frob 'foo)
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(if (<= n 0)
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n
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(foo (1- n)))))
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(progn
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(defun bar (n)
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(frob 'bar)
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(if (<= n 0)
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n
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(bar (1- n)))))
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(macrolet ()
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(defun quux (n)
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(frob 'quux)
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(if (<= n 0)
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n
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(quux (1- n)))))
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(defun frob (x)
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(setf (fdefinition x) (constantly 13)))
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(defun test ()
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(list (foo 1) (bar 1) (quux 1)))
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(assert (equal (test) '(0 0 0)))
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(assert (equal (test) '(13 13 13))) ; sanity check
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;;; Bug in 1.0.2 and 1.0.3, where the XEP was compiled with the wrong
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;;; policy. (Test-case derived from code posted by alexander.ekart in
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;;; comp.lang.lisp).
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(locally
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(declare (optimize (safety 0)))
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(defun bubblesort (x y)
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(declare (type (simple-array fixnum (*)) x)
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(type fixnum y)
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(optimize (speed 3) (safety 3) (space 0) (debug 0)))
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(aref x y)))
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(assert (raises-error? (bubblesort (make-array 10) 9)))
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(define-symbol-macro %trash% what)
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(locally
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;; just in case we get so smart that INFO becomes foldable
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(declare (notinline sb-int:info))
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(assert (eq (sb-int:info :variable :kind '%trash%) :macro))
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(assert (eq (sb-int:info :variable :macro-expansion '%trash%) 'what))
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(assert (sb-int:info :source-location :symbol-macro '%trash%)))
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(let ()
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(declare (notinline sb-int:info))
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(defconstant %trash% 9) ; this is non-toplevel
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(multiple-value-bind (val foundp)
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(sb-int:info :variable :macro-expansion '%trash%)
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(assert (and (not val) (not foundp)))))
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