tests/compiler-2.impure-cload.lisp

   1 ;;;; -*- lisp -*-
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; While most of SBCL is derived from the CMU CL system, the test
   7 ;;;; files (like this one) were written from scratch after the fork
   8 ;;;; from CMU CL.
   9 ;;;;
  10 ;;;; This software is in the public domain and is provided with
  11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  12 ;;;; more information.
  13
  14 (cl:in-package :cl-user)
  15
  16 ;;;; recognize self-calls
  17 (declaim (optimize speed))
  18
  19 ;;;; These three forms should be equivalent.
  20
  21 ;;; This used to be a bug in the handling of null-lexenv vs toplevel
  22 ;;; policy: LOCALLY and MACROLET hid the toplevel policy from view.
  23
  24 (locally
  25     (defun foo (n)
  26       (frob 'foo)
  27       (if (<= n 0)
  28           n
  29           (foo (1- n)))))
  30
  31 (progn
  32   (defun bar (n)
  33     (frob 'bar)
  34     (if (<= n 0)
  35         n
  36         (bar (1- n)))))
  37
  38 (macrolet ()
  39   (defun quux (n)
  40     (frob 'quux)
  41     (if (<= n 0)
  42         n
  43         (quux (1- n)))))
  44
  45 (defun frob (x)
  46   (setf (fdefinition x) (constantly 13)))
  47
  48 (defun test ()
  49   (list (foo 1) (bar 1) (quux 1)))
  50
  51 (assert (equal (test) '(0 0 0)))
  52 (assert (equal (test) '(13 13 13))) ; sanity check
  53
  54 ;;; Bug in 1.0.2 and 1.0.3, where the XEP was compiled with the wrong
  55 ;;; policy. (Test-case derived from code posted by alexander.ekart in
  56 ;;; comp.lang.lisp).
  57
  58 (locally
  59     (declare (optimize (safety 0)))
  60   (defun bubblesort (x y)
  61     (declare (type (simple-array fixnum (*)) x)
  62              (type fixnum y)
  63              (optimize (speed 3) (safety 3) (space 0) (debug 0)))
  64     (aref x y)))
  65
  66 (assert-error (bubblesort (make-array 10) 9))
  67
  68 (define-symbol-macro %trash% what)
  69 (locally
  70   ;; just in case we get so smart that INFO becomes foldable
  71   (declare (notinline sb-int:info))
  72   (assert (eq (sb-int:info :variable :kind '%trash%) :macro))
  73   (assert (eq (sb-int:info :variable :macro-expansion '%trash%) 'what))
  74   (assert (sb-int:info :source-location :symbol-macro '%trash%)))
  75 (let ()
  76   (declare (notinline sb-int:info))
  77   (defconstant %trash% 9) ; this is non-toplevel
  78   (multiple-value-bind (val foundp)
  79       (sb-int:info :variable :macro-expansion '%trash%)
  80     (assert (and (not val) (not foundp)))))