No puede seleccionar más de 25 temas
Los temas deben comenzar con una letra o número, pueden incluir guiones ('-') y pueden tener hasta 35 caracteres de largo.
63 líneas
2.6 KiB
63 líneas
2.6 KiB
;;; swank-util.lisp --- stuff of questionable utility
|
|
;;
|
|
;; License: public domain
|
|
|
|
(in-package :swank)
|
|
|
|
(defmacro do-symbols* ((var &optional (package '*package*) result-form)
|
|
&body body)
|
|
"Just like do-symbols, but makes sure a symbol is visited only once."
|
|
(let ((seen-ht (gensym "SEEN-HT")))
|
|
`(let ((,seen-ht (make-hash-table :test #'eq)))
|
|
(do-symbols (,var ,package ,result-form)
|
|
(unless (gethash ,var ,seen-ht)
|
|
(setf (gethash ,var ,seen-ht) t)
|
|
(tagbody ,@body))))))
|
|
|
|
(defun classify-symbol (symbol)
|
|
"Returns a list of classifiers that classify SYMBOL according to its
|
|
underneath objects (e.g. :BOUNDP if SYMBOL constitutes a special
|
|
variable.) The list may contain the following classification
|
|
keywords: :BOUNDP, :FBOUNDP, :CONSTANT, :GENERIC-FUNCTION,
|
|
:TYPESPEC, :CLASS, :MACRO, :SPECIAL-OPERATOR, and/or :PACKAGE"
|
|
(check-type symbol symbol)
|
|
(flet ((type-specifier-p (s)
|
|
(or (documentation s 'type)
|
|
(not (eq (type-specifier-arglist s) :not-available)))))
|
|
(let (result)
|
|
(when (boundp symbol) (push (if (constantp symbol)
|
|
:constant :boundp) result))
|
|
(when (fboundp symbol) (push :fboundp result))
|
|
(when (type-specifier-p symbol) (push :typespec result))
|
|
(when (find-class symbol nil) (push :class result))
|
|
(when (macro-function symbol) (push :macro result))
|
|
(when (special-operator-p symbol) (push :special-operator result))
|
|
(when (find-package symbol) (push :package result))
|
|
(when (and (fboundp symbol)
|
|
(typep (ignore-errors (fdefinition symbol))
|
|
'generic-function))
|
|
(push :generic-function result))
|
|
result)))
|
|
|
|
(defun symbol-classification-string (symbol)
|
|
"Return a string in the form -f-c---- where each letter stands for
|
|
boundp fboundp generic-function class macro special-operator package"
|
|
(let ((letters "bfgctmsp")
|
|
(result (copy-seq "--------")))
|
|
(flet ((flip (letter)
|
|
(setf (char result (position letter letters))
|
|
letter)))
|
|
(when (boundp symbol) (flip #\b))
|
|
(when (fboundp symbol)
|
|
(flip #\f)
|
|
(when (typep (ignore-errors (fdefinition symbol))
|
|
'generic-function)
|
|
(flip #\g)))
|
|
(when (type-specifier-p symbol) (flip #\t))
|
|
(when (find-class symbol nil) (flip #\c) )
|
|
(when (macro-function symbol) (flip #\m))
|
|
(when (special-operator-p symbol) (flip #\s))
|
|
(when (find-package symbol) (flip #\p))
|
|
result)))
|
|
|
|
(provide :swank-util)
|