src/compiler/generic/late-type-vops.lisp

   1 ;;;; generic type testing and checking VOPs
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; This software is derived from the CMU CL system, which was
   7 ;;;; written at Carnegie Mellon University and released into the
   8 ;;;; public domain. The software is in the public domain and is
   9 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
  10 ;;;; files for more information.
  11 (in-package "SB!VM")
  12 \f
  13 (!define-type-vops fixnump check-fixnum fixnum object-not-fixnum-error
  14   (even-fixnum-lowtag odd-fixnum-lowtag)
  15   ;; we can save a register on the x86.
  16   :variant simple
  17   ;; we can save a couple of instructions and a branch on the ppc.
  18   ;; FIXME: make this be FIXNUM-MASK
  19   :mask  (ash lowtag-mask -1))
  20
  21 (!define-type-vops functionp check-fun function object-not-fun-error
  22   (fun-pointer-lowtag)
  23   :mask lowtag-mask)
  24
  25 (!define-type-vops listp check-list list object-not-list-error
  26   (list-pointer-lowtag)
  27   :mask lowtag-mask)
  28
  29 (!define-type-vops %instancep check-instance instance object-not-instance-error
  30   (instance-pointer-lowtag)
  31   :mask lowtag-mask)
  32
  33 (!define-type-vops bignump check-bignum bignum object-not-bignum-error
  34   (bignum-widetag))
  35
  36 (!define-type-vops ratiop check-ratio ratio object-not-ratio-error
  37   (ratio-widetag))
  38
  39 (!define-type-vops complexp check-complex complex object-not-complex-error
  40   (complex-widetag complex-single-float-widetag complex-double-float-widetag
  41                    #!+long-float complex-long-float-widetag))
  42
  43 (!define-type-vops complex-rational-p check-complex-rational nil
  44     object-not-complex-rational-error
  45   (complex-widetag))
  46
  47 (!define-type-vops complex-float-p check-complex-float nil
  48     object-not-complex-float-error
  49   (complex-single-float-widetag complex-double-float-widetag
  50                                 #!+long-float complex-long-float-widetag))
  51
  52 (!define-type-vops complex-single-float-p check-complex-single-float complex-single-float
  53     object-not-complex-single-float-error
  54   (complex-single-float-widetag))
  55
  56 (!define-type-vops complex-double-float-p check-complex-double-float complex-double-float
  57     object-not-complex-double-float-error
  58   (complex-double-float-widetag))
  59
  60 (!define-type-vops single-float-p check-single-float single-float
  61     object-not-single-float-error
  62   (single-float-widetag))
  63
  64 (!define-type-vops double-float-p check-double-float double-float
  65     object-not-double-float-error
  66   (double-float-widetag))
  67
  68 (!define-type-vops simple-string-p check-simple-string nil
  69     object-not-simple-string-error
  70   (simple-base-string-widetag simple-array-nil-widetag))
  71
  72 (macrolet
  73     ((define-simple-array-type-vops ()
  74          `(progn
  75            ,@(map 'list
  76                   (lambda (saetp)
  77                     (let ((primtype (saetp-primitive-type-name saetp)))
  78                     `(!define-type-vops
  79                       ,(symbolicate primtype "-P")
  80                       ,(symbolicate "CHECK-" primtype)
  81                       ,primtype
  82                       ,(symbolicate "OBJECT-NOT-" primtype "-ERROR")
  83                       (,(saetp-typecode saetp)))))
  84                   *specialized-array-element-type-properties*))))
  85   (define-simple-array-type-vops))
  86
  87 (!define-type-vops base-char-p check-base-char base-char
  88     object-not-base-char-error
  89   (base-char-widetag))
  90
  91 (!define-type-vops system-area-pointer-p check-system-area-pointer
  92       system-area-pointer
  93     object-not-sap-error
  94   (sap-widetag))
  95
  96 (!define-type-vops weak-pointer-p check-weak-pointer weak-pointer
  97     object-not-weak-pointer-error
  98   (weak-pointer-widetag))
  99
 100 (!define-type-vops code-component-p nil nil nil
 101   (code-header-widetag))
 102
 103 (!define-type-vops lra-p nil nil nil
 104   (return-pc-header-widetag))
 105
 106 (!define-type-vops fdefn-p nil nil nil
 107   (fdefn-widetag))
 108
 109 (!define-type-vops funcallable-instance-p nil nil nil
 110   (funcallable-instance-header-widetag))
 111
 112 (!define-type-vops array-header-p nil nil nil
 113   (simple-array-widetag complex-base-string-widetag complex-bit-vector-widetag
 114    complex-vector-widetag complex-array-widetag complex-vector-nil-widetag))
 115
 116 (!define-type-vops stringp check-string nil object-not-string-error
 117   (simple-base-string-widetag complex-base-string-widetag
 118    simple-array-nil-widetag complex-vector-nil-widetag))
 119
 120 (!define-type-vops base-string-p check-base-string nil object-not-base-string-error
 121   (simple-base-string-widetag complex-base-string-widetag))
 122
 123 (!define-type-vops bit-vector-p check-bit-vector nil
 124     object-not-bit-vector-error
 125   (simple-bit-vector-widetag complex-bit-vector-widetag))
 126
 127 (!define-type-vops vector-nil-p check-vector-nil nil
 128     object-not-vector-nil-error
 129   (simple-array-nil-widetag complex-vector-nil-widetag))
 130
 131 (!define-type-vops vectorp check-vector nil object-not-vector-error
 132   (complex-vector-widetag .
 133    #.(append
 134       (map 'list
 135            #'saetp-typecode
 136            *specialized-array-element-type-properties*)
 137       (mapcan (lambda (saetp)
 138                 (when (saetp-complex-typecode saetp)
 139                   (list (saetp-complex-typecode saetp))))
 140               (coerce *specialized-array-element-type-properties* 'list)))))
 141
 142 ;;; Note that this "type VOP" is sort of an oddball; it doesn't so
 143 ;;; much test for a Lisp-level type as just expose a low-level type
 144 ;;; code at the Lisp level. It is used as a building block to help us
 145 ;;; to express things like the test for (TYPEP FOO '(VECTOR T))
 146 ;;; efficiently in Lisp code, but it doesn't correspond to any type
 147 ;;; expression which would actually occur in reasonable application
 148 ;;; code. (Common Lisp doesn't have any natural way of expressing this
 149 ;;; type.) Thus, there's no point in building up the full machinery of
 150 ;;; associated backend type predicates and so forth as we do for
 151 ;;; ordinary type VOPs.
 152 (!define-type-vops complex-vector-p check-complex-vector nil
 153     object-not-complex-vector-error
 154   (complex-vector-widetag))
 155
 156 (!define-type-vops simple-array-p check-simple-array nil
 157     object-not-simple-array-error
 158   (simple-array-widetag .
 159    #.(map 'list
 160           #'saetp-typecode
 161           *specialized-array-element-type-properties*)))
 162
 163 (!define-type-vops arrayp check-array nil object-not-array-error
 164   (simple-array-widetag
 165    complex-array-widetag
 166    complex-vector-widetag .
 167    #.(append
 168       (map 'list
 169            #'saetp-typecode
 170            *specialized-array-element-type-properties*)
 171       (mapcan (lambda (saetp)
 172                 (when (saetp-complex-typecode saetp)
 173                   (list (saetp-complex-typecode saetp))))
 174               (coerce *specialized-array-element-type-properties* 'list)))))
 175
 176 (!define-type-vops numberp check-number nil object-not-number-error
 177   (even-fixnum-lowtag
 178    odd-fixnum-lowtag
 179    bignum-widetag
 180    ratio-widetag
 181    single-float-widetag
 182    double-float-widetag
 183    #!+long-float long-float-widetag
 184    complex-widetag
 185    complex-single-float-widetag
 186    complex-double-float-widetag
 187    #!+long-float complex-long-float-widetag))
 188
 189 (!define-type-vops rationalp check-rational nil object-not-rational-error
 190   (even-fixnum-lowtag odd-fixnum-lowtag ratio-widetag bignum-widetag))
 191
 192 (!define-type-vops integerp check-integer nil object-not-integer-error
 193   (even-fixnum-lowtag odd-fixnum-lowtag bignum-widetag))
 194
 195 (!define-type-vops floatp check-float nil object-not-float-error
 196   (single-float-widetag double-float-widetag #!+long-float long-float-widetag))
 197
 198 (!define-type-vops realp check-real nil object-not-real-error
 199   (even-fixnum-lowtag
 200    odd-fixnum-lowtag
 201    ratio-widetag
 202    bignum-widetag
 203    single-float-widetag
 204    double-float-widetag
 205    #!+long-float long-float-widetag))