1 ;;;; miscellaneous compiler tests with side effects (e.g. DEFUN
2 ;;;; changing FDEFINITIONs and globaldb stuff)
4 ;;;; This software is part of the SBCL system. See the README file for
7 ;;;; While most of SBCL is derived from the CMU CL system, the test
8 ;;;; files (like this one) were written from scratch after the fork
11 ;;;; This software is in the public domain and is provided with
12 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
13 ;;;; more information.
15 (cl:in-package
:cl-user
)
17 (declaim (optimize (debug 3) (speed 2) (space 1)))
19 ;;; Until version 0.6.9 or so, SBCL's version of Python couldn't do
20 ;;; this correctly, due to the bug patched by Rob MacLachlan on the
21 ;;; cmucl-imp list 2000-06-21, and applied to SBCL by Martin Atzmueller.
22 ;;; (The effectiveness of the test also depends on the implicit
23 ;;; function typing of Python (where DEFUN is like DECLAIM FTYPE),
24 ;;; which violates the ANSI spec, and should be fixed. Once that
25 ;;; unrelated bug is fixed, this code will no longer test the type
26 ;;; inference behavior it's intended to test.)
27 (defun emptyvalues (&rest rest
) (declare (ignore rest
)) (values))
30 (let ((res (emptyvalues)))
31 (unless (typep res
'foo
)
33 (assert (eq (bar) 'expected-value
))
35 (declaim (ftype (function (real) (values integer single-float
)) valuesify
))
38 (coerce x
'single-float
)))
39 (defun exercise-valuesify (x)
40 (multiple-value-bind (i f
) (valuesify x
)
41 (declare (type integer i
))
42 (declare (type single-float f
))
44 (assert (= (exercise-valuesify 1.25) 2.25))
46 ;;; An early version (sbcl-0.6.11.33) of code to check FTYPEs from DEFUN
47 ;;; against DECLAIMed FTYPEs blew up when an FTYPE was DECLAIMed
48 ;;; to be pure FUNCTION, because the internal representation of
49 ;;; FUNCTION itself (as opposed to subtypes of FUNCTION, such as
50 ;;; (FUNCTION () T)) is a BUILT-IN-CLASS object, not a FUN-TYPE
52 (declaim (ftype function i-am-just-a-function
))
53 (defun i-am-just-a-function (x y
) (+ x y
1))
55 ;;; Stig E Sandoe reported in cclan-Bugs-431263 that SBCL couldn't
56 ;;; compile this. sbcl-0.6.12.26 died in CIRCULAR-LIST-P with "The
57 ;;; value \"EST\" is not of type LIST." Dan Barlow fixed it.
59 '((5 "EDT" .
"EST") (6 "CDT" .
"CST") (7 "MDT" .
60 "MST") (8 "PDT" .
"PST")
61 (0 "GMT" .
"GDT") (-2 "MET" .
"MET DST"))
62 "*The string representations of the time zones.")
64 ;;; The old CMU CL Python compiler assumed that it was safe to infer
65 ;;; function types (including return types) from function definitions
66 ;;; and then use them to optimize code later. This is of course bad
67 ;;; when functions are redefined. The problem was fixed in
79 (assert (eql (bar 11) :real
))
80 (assert (eql (bar -
11) :fixnum
))
81 (setf (symbol-function 'foo
) #'identity
)
82 (assert (eql (bar 11) :fixnum
))
83 (assert (eql (bar -
11.0) :real
))
84 (assert (eql (bar "this is a test") :string
))
85 (assert (eql (bar (make-hash-table)) :t
))
87 ;;; bug reported by Brian Spilsbury sbcl-devel 2001-09-30, fixed by
88 ;;; Alexey Dejneka patch sbcl-devel 2001-10-02
89 (defun pixarray-element-size (pixarray)
90 (let ((eltype (array-element-type pixarray
)))
91 (cond ((eq eltype
'bit
) 1)
93 (eq (first eltype
) 'unsigned-byte
))
96 (error "Invalid pixarray: ~S." pixarray
)))))
97 (assert (eql 1 (pixarray-element-size #*110)))
99 ;;; bug 31 turned out to be a manifestation of non-ANSI array type
100 ;;; handling, fixed by CSR in sbcl-0.7.3.8.
101 (defun array-element-type-handling (x)
102 (declare (type (vector cons
) x
))
103 (when (consp (aref x
0))
105 (assert (eq (array-element-type-handling
106 (make-array 3 :element-type t
:initial-element
0))
109 ;;; bug 220: type check inserted after all arguments in MV-CALL caused
110 ;;; failure of stack analysis
111 (defun bug220-helper ()
113 (assert (equal (multiple-value-call #'list
114 (the integer
(bug220-helper))
118 ;;; bug 221: sbcl 0.7.9.13 failed to compile the following function
119 (declaim (ftype (function (fixnum) (values package boolean
)) bug221-f1
))
120 (declaim (ftype (function (t) (values package boolean
)) bug221-f2
))
122 (funcall (if b
#'bug221-f1
#'bug221-f2
) x
))
124 (sb-ext:quit
:unix-status
104) ; success