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   #.fixnum-lowtags
  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-function-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 %other-pointer-p nil nil nil
  33   (other-pointer-lowtag)
  34   :mask lowtag-mask)
  35
  36 (!define-type-vops bignump check-bignum bignum object-not-bignum-error
  37   (bignum-widetag))
  38
  39 (!define-type-vops ratiop check-ratio ratio object-not-ratio-error
  40   (ratio-widetag))
  41
  42 (!define-type-vops complexp check-complex complex object-not-complex-error
  43   (complex-widetag complex-single-float-widetag complex-double-float-widetag
  44                    #!+long-float complex-long-float-widetag))
  45
  46 (!define-type-vops complex-rational-p check-complex-rational nil
  47     object-not-complex-rational-error
  48   (complex-widetag))
  49
  50 (!define-type-vops complex-float-p check-complex-float nil
  51     object-not-complex-float-error
  52   (complex-single-float-widetag complex-double-float-widetag
  53                                 #!+long-float complex-long-float-widetag))
  54
  55 (!define-type-vops complex-single-float-p check-complex-single-float complex-single-float
  56     object-not-complex-single-float-error
  57   (complex-single-float-widetag))
  58
  59 (!define-type-vops complex-double-float-p check-complex-double-float complex-double-float
  60     object-not-complex-double-float-error
  61   (complex-double-float-widetag))
  62
  63 (!define-type-vops single-float-p check-single-float single-float
  64     object-not-single-float-error
  65   (single-float-widetag))
  66
  67 (!define-type-vops double-float-p check-double-float double-float
  68     object-not-double-float-error
  69   (double-float-widetag))
  70
  71 (!define-type-vops simple-string-p check-simple-string nil
  72     object-not-simple-string-error
  73   (#!+sb-unicode simple-character-string-widetag
  74    simple-base-string-widetag simple-array-nil-widetag))
  75
  76 (macrolet
  77     ((define-simple-array-type-vops ()
  78          `(progn
  79            ,@(map 'list
  80                   (lambda (saetp)
  81                     (let ((primtype (saetp-primitive-type-name saetp)))
  82                     `(!define-type-vops
  83                       ,(symbolicate primtype "-P")
  84                       ,(symbolicate "CHECK-" primtype)
  85                       ,primtype
  86                       ,(symbolicate "OBJECT-NOT-" primtype "-ERROR")
  87                       (,(saetp-typecode saetp)))))
  88                   *specialized-array-element-type-properties*))))
  89   (define-simple-array-type-vops))
  90
  91 (macrolet
  92     ((def ()
  93        `(!define-type-vops simple-rank-1-array-*-p check-simple-rank-1-array-*
  94          nil
  95          ;; TODO: eliminate naming of errors. The error-emitting logic can find
  96          ;; an error number from a type specifier. As impetus to remove them,
  97          ;; I'm not adding a new exported symbol to sb-kernel.
  98          sb!kernel::object-not-simple-rank-1-array-error
  99          ,(map 'list #'saetp-typecode
 100                *specialized-array-element-type-properties*))))
 101   (def)) ; simple-rank-1-array-*-p
 102
 103 (!define-type-vops characterp check-character character
 104     object-not-character-error
 105   (character-widetag))
 106
 107 (!define-type-vops system-area-pointer-p check-system-area-pointer
 108       system-area-pointer
 109     object-not-sap-error
 110   (sap-widetag))
 111
 112 (!define-type-vops weak-pointer-p check-weak-pointer weak-pointer
 113     object-not-weak-pointer-error
 114   (weak-pointer-widetag))
 115
 116 (!define-type-vops code-component-p nil nil nil
 117   (code-header-widetag))
 118
 119 (!define-type-vops lra-p nil nil nil
 120   (return-pc-header-widetag))
 121
 122 (!define-type-vops fdefn-p nil nil nil
 123   (fdefn-widetag))
 124
 125 (!define-type-vops closurep nil nil nil (closure-header-widetag))
 126
 127 (!define-type-vops simple-fun-p nil nil nil
 128   (simple-fun-header-widetag))
 129
 130 (!define-type-vops funcallable-instance-p nil nil nil
 131   (funcallable-instance-header-widetag))
 132
 133 (!define-type-vops array-header-p nil nil nil
 134   (simple-array-widetag
 135    #!+sb-unicode complex-character-string-widetag
 136    complex-base-string-widetag complex-bit-vector-widetag
 137    complex-vector-widetag complex-array-widetag complex-vector-nil-widetag))
 138
 139 (!define-type-vops stringp check-string nil object-not-string-error
 140   (#!+sb-unicode simple-character-string-widetag
 141    #!+sb-unicode complex-character-string-widetag
 142    simple-base-string-widetag complex-base-string-widetag
 143    simple-array-nil-widetag complex-vector-nil-widetag))
 144
 145 (!define-type-vops base-string-p check-base-string nil object-not-base-string-error
 146   (simple-base-string-widetag complex-base-string-widetag))
 147
 148 (!define-type-vops bit-vector-p check-bit-vector nil
 149     object-not-bit-vector-error
 150   (simple-bit-vector-widetag complex-bit-vector-widetag))
 151
 152 (!define-type-vops vector-nil-p check-vector-nil nil
 153     object-not-vector-nil-error
 154   (simple-array-nil-widetag complex-vector-nil-widetag))
 155
 156 #!+sb-unicode
 157 (!define-type-vops character-string-p check-character-string nil
 158     object-not-character-string-error
 159   (simple-character-string-widetag complex-character-string-widetag))
 160
 161 (!define-type-vops vectorp check-vector nil object-not-vector-error
 162   (complex-vector-widetag .
 163    #.(append
 164       (map 'list
 165            #'saetp-typecode
 166            *specialized-array-element-type-properties*)
 167       (mapcan (lambda (saetp)
 168                 (when (saetp-complex-typecode saetp)
 169                   (list (saetp-complex-typecode saetp))))
 170               (coerce *specialized-array-element-type-properties* 'list)))))
 171
 172 ;;; Note that this "type VOP" is sort of an oddball; it doesn't so
 173 ;;; much test for a Lisp-level type as just expose a low-level type
 174 ;;; code at the Lisp level. It is used as a building block to help us
 175 ;;; to express things like the test for (TYPEP FOO '(VECTOR T))
 176 ;;; efficiently in Lisp code, but it doesn't correspond to any type
 177 ;;; expression which would actually occur in reasonable application
 178 ;;; code. (Common Lisp doesn't have any natural way of expressing this
 179 ;;; type.) Thus, there's no point in building up the full machinery of
 180 ;;; associated backend type predicates and so forth as we do for
 181 ;;; ordinary type VOPs.
 182 (!define-type-vops complex-vector-p check-complex-vector nil
 183     object-not-complex-vector-error
 184   (complex-vector-widetag))
 185
 186 (!define-type-vops simple-array-p check-simple-array nil
 187     object-not-simple-array-error
 188   (simple-array-widetag .
 189    #.(map 'list
 190           #'saetp-typecode
 191           *specialized-array-element-type-properties*)))
 192
 193 (!define-type-vops arrayp check-array nil object-not-array-error
 194   (simple-array-widetag
 195    complex-array-widetag
 196    complex-vector-widetag .
 197    #.(append
 198       (map 'list
 199            #'saetp-typecode
 200            *specialized-array-element-type-properties*)
 201       (mapcan (lambda (saetp)
 202                 (when (saetp-complex-typecode saetp)
 203                   (list (saetp-complex-typecode saetp))))
 204               (coerce *specialized-array-element-type-properties* 'list)))))
 205
 206 (!define-type-vops numberp check-number nil object-not-number-error
 207   (bignum-widetag
 208    ratio-widetag
 209    single-float-widetag
 210    double-float-widetag
 211    #!+long-float long-float-widetag
 212    complex-widetag
 213    complex-single-float-widetag
 214    complex-double-float-widetag
 215    #!+long-float complex-long-float-widetag
 216    . #.fixnum-lowtags))
 217
 218 (!define-type-vops rationalp check-rational nil object-not-rational-error
 219   (ratio-widetag bignum-widetag . #.fixnum-lowtags))
 220
 221 (!define-type-vops integerp check-integer nil object-not-integer-error
 222   (bignum-widetag . #.fixnum-lowtags))
 223
 224 (!define-type-vops floatp check-float nil object-not-float-error
 225   (single-float-widetag double-float-widetag #!+long-float long-float-widetag))
 226
 227 (!define-type-vops realp check-real nil object-not-real-error
 228   (ratio-widetag
 229    bignum-widetag
 230    single-float-widetag
 231    double-float-widetag
 232    #!+long-float long-float-widetag
 233    . #.fixnum-lowtags))