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