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 3)
  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 #!+long-float
  61 (!define-type-vops complex-long-float-p check-complex-long-float complex-long-float
  62     object-not-complex-long-float-error
  63   (complex-long-float-widetag))
  64
  65 (!define-type-vops single-float-p check-single-float single-float
  66     object-not-single-float-error
  67   (single-float-widetag))
  68
  69 (!define-type-vops double-float-p check-double-float double-float
  70     object-not-double-float-error
  71   (double-float-widetag))
  72
  73 #!+long-float
  74 (!define-type-vops long-float-p check-long-float long-float
  75     object-not-long-float-error
  76   (long-float-widetag))
  77
  78 (!define-type-vops simple-string-p check-simple-string nil
  79     object-not-simple-string-error
  80   (simple-base-string-widetag simple-array-nil-widetag))
  81
  82 (macrolet
  83     ((define-simple-array-type-vops ()
  84          `(progn
  85            ,@(map 'list
  86                   (lambda (saetp)
  87                     (let ((primtype (saetp-primitive-type-name saetp)))
  88                     `(!define-type-vops
  89                       ,(symbolicate primtype "-P")
  90                       ,(symbolicate "CHECK-" primtype)
  91                       ,primtype
  92                       ,(symbolicate "OBJECT-NOT-" primtype "-ERROR")
  93                       (,(saetp-typecode saetp)))))
  94                   *specialized-array-element-type-properties*))))
  95   (define-simple-array-type-vops))
  96
  97 (!define-type-vops base-char-p check-base-char base-char
  98     object-not-base-char-error
  99   (base-char-widetag))
 100
 101 (!define-type-vops system-area-pointer-p check-system-area-pointer
 102       system-area-pointer
 103     object-not-sap-error
 104   (sap-widetag))
 105
 106 (!define-type-vops weak-pointer-p check-weak-pointer weak-pointer
 107     object-not-weak-pointer-error
 108   (weak-pointer-widetag))
 109
 110 (!define-type-vops code-component-p nil nil nil
 111   (code-header-widetag))
 112
 113 (!define-type-vops lra-p nil nil nil
 114   (return-pc-header-widetag))
 115
 116 (!define-type-vops fdefn-p nil nil nil
 117   (fdefn-widetag))
 118
 119 (!define-type-vops funcallable-instance-p nil nil nil
 120   (funcallable-instance-header-widetag))
 121
 122 (!define-type-vops array-header-p nil nil nil
 123   (simple-array-widetag complex-base-string-widetag complex-bit-vector-widetag
 124    complex-vector-widetag complex-array-widetag complex-vector-nil-widetag))
 125
 126 (!define-type-vops stringp check-string nil object-not-string-error
 127   (simple-base-string-widetag complex-base-string-widetag
 128    simple-array-nil-widetag complex-vector-nil-widetag))
 129
 130 (!define-type-vops base-string-p check-base-string nil object-not-base-string-error
 131   (simple-base-string-widetag complex-base-string-widetag))
 132
 133 (!define-type-vops bit-vector-p check-bit-vector nil
 134     object-not-bit-vector-error
 135   (simple-bit-vector-widetag complex-bit-vector-widetag))
 136
 137 (!define-type-vops vector-nil-p check-vector-nil nil
 138     object-not-vector-nil-error
 139   (simple-array-nil-widetag complex-vector-nil-widetag))
 140
 141 (!define-type-vops vectorp check-vector nil object-not-vector-error
 142   (complex-vector-widetag .
 143    #.(append
 144       (map 'list
 145            #'saetp-typecode
 146            *specialized-array-element-type-properties*)
 147       (mapcan (lambda (saetp)
 148                 (when (saetp-complex-typecode saetp)
 149                   (list (saetp-complex-typecode saetp))))
 150               (coerce *specialized-array-element-type-properties* 'list)))))
 151
 152 ;;; Note that this "type VOP" is sort of an oddball; it doesn't so
 153 ;;; much test for a Lisp-level type as just expose a low-level type
 154 ;;; code at the Lisp level. It is used as a building block to help us
 155 ;;; to express things like the test for (TYPEP FOO '(VECTOR T))
 156 ;;; efficiently in Lisp code, but it doesn't correspond to any type
 157 ;;; expression which would actually occur in reasonable application
 158 ;;; code. (Common Lisp doesn't have any natural way of expressing this
 159 ;;; type.) Thus, there's no point in building up the full machinery of
 160 ;;; associated backend type predicates and so forth as we do for
 161 ;;; ordinary type VOPs.
 162 (!define-type-vops complex-vector-p check-complex-vector nil
 163     object-not-complex-vector-error
 164   (complex-vector-widetag))
 165
 166 (!define-type-vops simple-array-p check-simple-array nil
 167     object-not-simple-array-error
 168   (simple-array-widetag .
 169    #.(map 'list
 170           #'saetp-typecode
 171           *specialized-array-element-type-properties*)))
 172
 173 (!define-type-vops arrayp check-array nil object-not-array-error
 174   (simple-array-widetag
 175    complex-array-widetag
 176    complex-vector-widetag .
 177    #.(append
 178       (map 'list
 179            #'saetp-typecode
 180            *specialized-array-element-type-properties*)
 181       (mapcan (lambda (saetp)
 182                 (when (saetp-complex-typecode saetp)
 183                   (list (saetp-complex-typecode saetp))))
 184               (coerce *specialized-array-element-type-properties* 'list)))))
 185
 186 (!define-type-vops numberp check-number nil object-not-number-error
 187   (even-fixnum-lowtag
 188    odd-fixnum-lowtag
 189    bignum-widetag
 190    ratio-widetag
 191    single-float-widetag
 192    double-float-widetag
 193    #!+long-float long-float-widetag
 194    complex-widetag
 195    complex-single-float-widetag
 196    complex-double-float-widetag
 197    #!+long-float complex-long-float-widetag))
 198
 199 (!define-type-vops rationalp check-rational nil object-not-rational-error
 200   (even-fixnum-lowtag odd-fixnum-lowtag ratio-widetag bignum-widetag))
 201
 202 (!define-type-vops integerp check-integer nil object-not-integer-error
 203   (even-fixnum-lowtag odd-fixnum-lowtag bignum-widetag))
 204
 205 (!define-type-vops floatp check-float nil object-not-float-error
 206   (single-float-widetag double-float-widetag #!+long-float long-float-widetag))
 207
 208 (!define-type-vops realp check-real nil object-not-real-error
 209   (even-fixnum-lowtag
 210    odd-fixnum-lowtag
 211    ratio-widetag
 212    bignum-widetag
 213    single-float-widetag
 214    double-float-widetag
 215    #!+long-float long-float-widetag))