X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=contrib%2Fsb-introspect%2Fintrospect.lisp;h=862c866477a21b6f8224e40211ec5f49e0a0c080;hb=9649ba118decaf0b6c7715e9224843d16016ad6b;hp=c5bb86aa79368315c89f1c5faed615d43acb0d20;hpb=0623c52c838b86cfcf3bd5a5b388324ac51ebaf9;p=sbcl.git diff --git a/contrib/sb-introspect/introspect.lisp b/contrib/sb-introspect/introspect.lisp index c5bb86a..862c866 100644 --- a/contrib/sb-introspect/introspect.lisp +++ b/contrib/sb-introspect/introspect.lisp @@ -45,6 +45,7 @@ "DEFINITION-NOT-FOUND" "DEFINITION-NAME" "FIND-FUNCTION-CALLEES" "FIND-FUNCTION-CALLERS" + "MAP-ROOT" "WHO-BINDS" "WHO-CALLS" "WHO-REFERENCES" @@ -424,14 +425,10 @@ If an unsupported TYPE is requested, the function will return NIL. ;; FIXME there may be other structure predicate functions (member self (list *struct-predicate*)))) -(defun function-arglist (function) - "Deprecated alias for FUNCTION-LAMBDA-LIST." +(sb-int:define-deprecated-function :late "1.0.24.5" function-arglist function-lambda-list + (function) (function-lambda-list function)) -(define-compiler-macro function-arglist (function) - (sb-int:deprecation-warning 'function-arglist 'function-lambda-list) - `(function-lambda-list ,function)) - (defun function-lambda-list (function) "Describe the lambda list for the extended function designator FUNCTION. Works for special-operators, macros, simple functions, interpreted functions, @@ -787,6 +784,15 @@ For :HEAP objects the secondary value is a plist: even if :PINNED in NIL if the GC has not had the need to mark the the page as pinned. (GENCGC and :SPACE :DYNAMIC only.) + :WRITE-PROTECTED + Indicates that the page on which the object starts is write-protected, + which indicates for :BOXED objects that it hasn't been written to since + the last GC of its generation. (GENCGC and :SPACE :DYNAMIC only.) + + :PAGE + The index of the page the object resides on. (GENGC and :SPACE :DYNAMIC + only.) + For :STACK objects secondary value is the thread on whose stack the object is allocated. @@ -834,7 +840,8 @@ Experimental: interface subject to change." :write-protected (logbitp 0 flags) :boxed (logbitp 2 flags) :pinned (logbitp 5 flags) - :large (logbitp 6 flags))))) + :large (logbitp 6 flags) + :page index)))) (list :space space)) #-gencgc (list :space space)))))) @@ -864,3 +871,117 @@ Experimental: interface subject to change." (values :stack sb-thread::*current-thread*)))) :foreign))))) +(defun map-root (function object &key simple ext) + "Call FUNCTION with all non-immediate objects pointed to by OBJECT. Returns +OBJECT. + +If SIMPLE is true, elides those pointers that are not notionally part of +certain built-in objects, but backpointers to a conceptual parent: eg. elides +the pointer from a SYMBOL to the corresponding PACKAGE. + +If EXT is true, includes some pointers that are not actually contained in the +object, but in well-known indirect containers. For example, symbols in SBCL do +not directly point to their SYMBOL-FUNCTION or class by the same name, but +when :EXT T is used MAP-ROOT will also walk the function and class (if any) +associated with the symbol. + +NOTE: calling MAP-ROOT with a THREAD does not currently map over conservative +roots from the thread stack & interrupt contexts, nor over thread-local symbol +bindings. + +Experimental: interface subject to change." + (let ((fun (coerce function 'function))) + (flet ((call (part) + (when (member (sb-kernel:lowtag-of part) + `(,sb-vm:instance-pointer-lowtag + ,sb-vm:list-pointer-lowtag + ,sb-vm:fun-pointer-lowtag + ,sb-vm:other-pointer-lowtag)) + (funcall fun part)))) + (etypecase object + ((or bignum float sb-sys:system-area-pointer fixnum)) + (sb-ext:weak-pointer + (call (sb-ext:weak-pointer-value object))) + (cons + (call (car object)) + (call (cdr object)) + (when (and ext (ignore-errors (fboundp object))) + (call (fdefinition object)))) + (ratio + (call (numerator object)) + (call (denominator object))) + (complex + (call (realpart object)) + (call (realpart object))) + (sb-vm::instance + (let* ((len (sb-kernel:%instance-length object)) + (nuntagged (if (typep object 'structure-object) + (sb-kernel:layout-n-untagged-slots + (sb-kernel:%instance-layout object)) + 0))) + (dotimes (i (- len nuntagged)) + (call (sb-kernel:%instance-ref object i))))) + (array + (if (simple-vector-p object) + (dotimes (i (length object)) + (call (aref object i))) + (when (sb-kernel:array-header-p object) + (call (sb-kernel::%array-data-vector object)) + (call (sb-kernel::%array-displaced-p object)) + (unless simple + (call (sb-kernel::%array-displaced-from object)))))) + (sb-kernel:code-component + (call (sb-kernel:%code-entry-points object)) + (call (sb-kernel:%code-debug-info object)) + (loop for i from sb-vm:code-constants-offset + below (sb-kernel:get-header-data object) + do (call (sb-kernel:code-header-ref object i)))) + (sb-kernel:fdefn + (call (sb-kernel:fdefn-name object)) + (call (sb-kernel:fdefn-fun object))) + (sb-kernel:simple-fun + (unless simple + (call (sb-kernel:%simple-fun-next object))) + (call (sb-kernel:fun-code-header object)) + (call (sb-kernel:%simple-fun-name object)) + (call (sb-kernel:%simple-fun-arglist object)) + (call (sb-kernel:%simple-fun-type object)) + (call (sb-kernel:%simple-fun-info object))) + (sb-kernel:closure + (call (sb-kernel:%closure-fun object)) + (sb-kernel:do-closure-values (x object) + (call x))) + (sb-kernel:funcallable-instance + (call (sb-kernel:%funcallable-instance-function object)) + (loop for i from 1 below (- (1+ (sb-kernel:get-closure-length object)) + sb-vm::funcallable-instance-info-offset) + do (call (sb-kernel:%funcallable-instance-info object i)))) + (symbol + (when (boundp object) + (let ((local (symbol-value object))) + (handler-case + ;; Possibly bound only in the current thread -- and we don't + ;; have GLOBAL-BOUNDP. + (let ((global (sb-ext:symbol-global-value object))) + (unless (eq local global) + (call global))) + (unbound-variable () + nil)))) + (when (and ext (ignore-errors (fboundp object))) + (call (fdefinition object)) + (let ((class (find-class object nil))) + (when class (call class)))) + (call (symbol-plist object)) + (call (symbol-name object)) + (unless simple + (call (symbol-package object)))) + (sb-kernel::random-class + (case (sb-kernel:widetag-of object) + (#.sb-vm::value-cell-header-widetag + (call (sb-kernel::value-cell-ref object))) + #+(and sb-lutex sb-thread) + (#.sb-vm::lutex-widetag) + (t + (warn "~&MAP-ROOT: Unknown widetag ~S: ~S~%" + (sb-kernel:widetag-of object) object))))))) + object)