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   (#!+sb-unicode simple-character-string-widetag
  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 characterp check-character character
  88     object-not-character-error
  89   (character-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
 114    #!+sb-unicode complex-character-string-widetag
 115    complex-base-string-widetag complex-bit-vector-widetag
 116    complex-vector-widetag complex-array-widetag complex-vector-nil-widetag))
 117
 118 (!define-type-vops stringp check-string nil object-not-string-error
 119   (#!+sb-unicode simple-character-string-widetag
 120    #!+sb-unicode complex-character-string-widetag
 121    simple-base-string-widetag complex-base-string-widetag
 122    simple-array-nil-widetag complex-vector-nil-widetag))
 123
 124 (!define-type-vops base-string-p check-base-string nil object-not-base-string-error
 125   (simple-base-string-widetag complex-base-string-widetag))
 126
 127 (!define-type-vops bit-vector-p check-bit-vector nil
 128     object-not-bit-vector-error
 129   (simple-bit-vector-widetag complex-bit-vector-widetag))
 130
 131 (!define-type-vops vector-nil-p check-vector-nil nil
 132     object-not-vector-nil-error
 133   (simple-array-nil-widetag complex-vector-nil-widetag))
 134
 135 #!+sb-unicode
 136 (!define-type-vops character-string-p check-character-string nil
 137     object-not-character-string-error
 138   (simple-character-string-widetag complex-character-string-widetag))
 139
 140 (!define-type-vops vectorp check-vector nil object-not-vector-error
 141   (complex-vector-widetag .
 142    #.(append
 143       (map 'list
 144            #'saetp-typecode
 145            *specialized-array-element-type-properties*)
 146       (mapcan (lambda (saetp)
 147                 (when (saetp-complex-typecode saetp)
 148                   (list (saetp-complex-typecode saetp))))
 149               (coerce *specialized-array-element-type-properties* 'list)))))
 150
 151 ;;; Note that this "type VOP" is sort of an oddball; it doesn't so
 152 ;;; much test for a Lisp-level type as just expose a low-level type
 153 ;;; code at the Lisp level. It is used as a building block to help us
 154 ;;; to express things like the test for (TYPEP FOO '(VECTOR T))
 155 ;;; efficiently in Lisp code, but it doesn't correspond to any type
 156 ;;; expression which would actually occur in reasonable application
 157 ;;; code. (Common Lisp doesn't have any natural way of expressing this
 158 ;;; type.) Thus, there's no point in building up the full machinery of
 159 ;;; associated backend type predicates and so forth as we do for
 160 ;;; ordinary type VOPs.
 161 (!define-type-vops complex-vector-p check-complex-vector nil
 162     object-not-complex-vector-error
 163   (complex-vector-widetag))
 164
 165 (!define-type-vops simple-array-p check-simple-array nil
 166     object-not-simple-array-error
 167   (simple-array-widetag .
 168    #.(map 'list
 169           #'saetp-typecode
 170           *specialized-array-element-type-properties*)))
 171
 172 (!define-type-vops arrayp check-array nil object-not-array-error
 173   (simple-array-widetag
 174    complex-array-widetag
 175    complex-vector-widetag .
 176    #.(append
 177       (map 'list
 178            #'saetp-typecode
 179            *specialized-array-element-type-properties*)
 180       (mapcan (lambda (saetp)
 181                 (when (saetp-complex-typecode saetp)
 182                   (list (saetp-complex-typecode saetp))))
 183               (coerce *specialized-array-element-type-properties* 'list)))))
 184
 185 (!define-type-vops numberp check-number nil object-not-number-error
 186   (even-fixnum-lowtag
 187    odd-fixnum-lowtag
 188    bignum-widetag
 189    ratio-widetag
 190    single-float-widetag
 191    double-float-widetag
 192    #!+long-float long-float-widetag
 193    complex-widetag
 194    complex-single-float-widetag
 195    complex-double-float-widetag
 196    #!+long-float complex-long-float-widetag))
 197
 198 (!define-type-vops rationalp check-rational nil object-not-rational-error
 199   (even-fixnum-lowtag odd-fixnum-lowtag ratio-widetag bignum-widetag))
 200
 201 (!define-type-vops integerp check-integer nil object-not-integer-error
 202   (even-fixnum-lowtag odd-fixnum-lowtag bignum-widetag))
 203
 204 (!define-type-vops floatp check-float nil object-not-float-error
 205   (single-float-widetag double-float-widetag #!+long-float long-float-widetag))
 206
 207 (!define-type-vops realp check-real nil object-not-real-error
 208   (even-fixnum-lowtag
 209    odd-fixnum-lowtag
 210    ratio-widetag
 211    bignum-widetag
 212    single-float-widetag
 213    double-float-widetag
 214    #!+long-float long-float-widetag))