X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Ftypetran.lisp;h=6405bddff1f553e2ff8fc6f393630078b3320d7a;hb=fdf46e7bd7aba9b5c8af629fdb2692d9b33b9207;hp=71061b0fbce1969242932e7a5b6958168d9ceb67;hpb=0aecc2b20142e08068c3434273500131cb13fe2d;p=sbcl.git diff --git a/src/compiler/typetran.lisp b/src/compiler/typetran.lisp index 71061b0..6405bdd 100644 --- a/src/compiler/typetran.lisp +++ b/src/compiler/typetran.lisp @@ -57,10 +57,14 @@ ;;; constant. At worst, it will convert to %TYPEP, which will prevent ;;; spurious attempts at transformation (and possible repeated ;;; warnings.) -(deftransform typep ((object type)) +(deftransform typep ((object type) * * :node node) (unless (constant-lvar-p type) (give-up-ir1-transform "can't open-code test of non-constant type")) - `(typep object ',(lvar-value type))) + (multiple-value-bind (expansion fail-p) + (source-transform-typep 'object (lvar-value type)) + (if fail-p + (abort-ir1-transform) + expansion))) ;;; If the lvar OBJECT definitely is or isn't of the specified ;;; type, then return T or NIL as appropriate. Otherwise quietly @@ -433,7 +437,7 @@ `((when (layout-invalid ,n-layout) (%layout-invalid-error object ',layout)))) (eq ,n-layout ',layout))))) - ((and (typep class 'basic-structure-classoid) layout) + ((and (typep class 'structure-classoid) layout) ;; structure type tests; hierarchical layout depths (let ((depthoid (layout-depthoid layout)) (n-layout (gensym))) @@ -488,6 +492,43 @@ ;;; to that predicate. Otherwise, we dispatch off of the type's type. ;;; These transformations can increase space, but it is hard to tell ;;; when, so we ignore policy and always do them. +(defun source-transform-typep (object type) + (let ((ctype (careful-specifier-type type))) + (or (when (not ctype) + (compiler-warn "illegal type specifier for TYPEP: ~S" type) + (return-from source-transform-typep (values nil t))) + (let ((pred (cdr (assoc ctype *backend-type-predicates* + :test #'type=)))) + (when pred `(,pred ,object))) + (typecase ctype + (hairy-type + (source-transform-hairy-typep object ctype)) + (negation-type + (source-transform-negation-typep object ctype)) + (union-type + (source-transform-union-typep object ctype)) + (intersection-type + (source-transform-intersection-typep object ctype)) + (member-type + `(if (member ,object ',(member-type-members ctype)) t)) + (args-type + (compiler-warn "illegal type specifier for TYPEP: ~S" type) + (return-from source-transform-typep (values nil t))) + (t nil)) + (typecase ctype + (numeric-type + (source-transform-numeric-typep object ctype)) + (classoid + `(%instance-typep ,object ',type)) + (array-type + (source-transform-array-typep object ctype)) + (cons-type + (source-transform-cons-typep object ctype)) + (character-set-type + (source-transform-character-set-typep object ctype)) + (t nil)) + `(%typep ,object ',type)))) + (define-source-transform typep (object spec) ;; KLUDGE: It looks bad to only do this on explicitly quoted forms, ;; since that would overlook other kinds of constants. But it turns @@ -496,43 +537,7 @@ ;; source transform another chance, so it all works out OK, in a ;; weird roundabout way. -- WHN 2001-03-18 (if (and (consp spec) (eq (car spec) 'quote)) - (let ((type (careful-specifier-type (cadr spec)))) - (or (when (not type) - (compiler-warn "illegal type specifier for TYPEP: ~S" - (cadr spec)) - `(%typep ,object ,spec)) - (let ((pred (cdr (assoc type *backend-type-predicates* - :test #'type=)))) - (when pred `(,pred ,object))) - (typecase type - (hairy-type - (source-transform-hairy-typep object type)) - (negation-type - (source-transform-negation-typep object type)) - (union-type - (source-transform-union-typep object type)) - (intersection-type - (source-transform-intersection-typep object type)) - (member-type - `(if (member ,object ',(member-type-members type)) t)) - (args-type - (compiler-warn "illegal type specifier for TYPEP: ~S" - (cadr spec)) - `(%typep ,object ,spec)) - (t nil)) - (typecase type - (numeric-type - (source-transform-numeric-typep object type)) - (classoid - `(%instance-typep ,object ,spec)) - (array-type - (source-transform-array-typep object type)) - (cons-type - (source-transform-cons-typep object type)) - (character-set-type - (source-transform-character-set-typep object type)) - (t nil)) - `(%typep ,object ,spec))) + (source-transform-typep object (cadr spec)) (values nil t))) ;;;; coercion