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590 lines
17 KiB
590 lines
17 KiB
;;;; utils.lisp -- some random utils I collect. might be useful, probably won't be.
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(if (boundp '*-utils-lisp*) "Already loaded" (progn
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;;; --- internally maintained config, don't put anything above these!!
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(defparameter *-utils-lisp* t)
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(defparameter *-utils-depends* '(#:cl-ppcre #:bt-semaphore))
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(defparameter *-utils-version* "0.1.6")
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;;; -- Handle internal exporting --
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(defmacro insystem? (thing &optional (else nil))
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`(if (boundp '*-utils-system*)
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,thing
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,else))
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(defmacro export? (val)
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`(if (boundp '*-utils-system*)
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(export ',val)
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nil))
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;(defmacro export* (&rest syms)
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; `(mapc #'export '(,@syms)))
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(defmacro export* (&rest syms)
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(cons 'progn (mapcan #'(lambda (x) `((export ',x))) syms)))
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(defmacro eval-all (syms)
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`(mapcar #'eval '(,@syms)))
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(export? eval-all)
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(defmacro export*! (&rest syms)
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`(mapc #'export (eval-all ,syms)))
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(export? export*)
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(export? export*!)
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(defmacro export*? (&rest val)
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`(insystem? (export*! ,@val)
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(mapc #'eval '(,@val))))
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(defmacro defexport (&rest val)
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`(export*! ,@val))
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(export? defexport)
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(defun file-get-contents (filename)
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(with-open-file (stream filename)
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(let ((contents (make-string (file-length stream))))
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(read-sequence contents stream)
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contents)))
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(export? file-get-contents)
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;(export? val-if-or)
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(defun utils->system (input output &key (name :flan-utils) (description "Some random utilities") (author "Ringo <flanchan@cumallover.me>") (license "None"))
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(let ((this (cadddr (read-from-string (file-get-contents input))))
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(sysdef `(asdf:defsystem ,name
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:description ,description
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:author ,author
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:license ,license
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:version ,*-utils-version*
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:serial t
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:depends-on ,*-utils-depends*
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:components ((:file ,(car (last (cl-ppcre:split "/" output))))))))
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(rplaca this `(defpackage ,name (:use #:cl)))
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(rplaca (cdr this) `(in-package ,name))
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(rplaca (cddr this) '(defparameter *-utils-system* t))
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(with-open-file (output-lisp (concatenate 'string output ".lisp") :direction :output :if-exists :supersede)
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(with-open-file (output-asd (concatenate 'string output ".asd") :direction :output :if-exists :supersede)
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(mapc #'(lambda (stmt) (write stmt :stream output-lisp :pretty nil)) this)
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(write sysdef :stream output-asd :case :downcase )))))
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;(defun utils->create-for (utils for &key (name 'flan-utils) ) ;;; TODO: Make this work /for structs/ at all
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; (let ((this (cadddr (read-from-string (file-get-contents utils))))
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; (for (read-from-string (file-get-contents for))))
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; (labels ((sieve (li) ;; find all `,name:' functions in list
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; (mapcan #'(lambda (part)
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; (if (atom part)
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; (if (cl-ppcre:scan (concatenate 'string "^" (write-to-string name) ":")
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; (write-to-string part))
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; (list part)
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; nil)
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; (sieve part)))
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; li)))
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; (let ((syms (sieve for))
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; (allowed-definitions '(defun
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; defmacro
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; defparameter))) ;;;; STRUCT
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; (labels ((find-func (sym-name l) ;;; TODO: here
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; (mapcan #'(lambda (part)
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; (when (not (atom part))
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; (if (eql (cadr part) sym-name) ;; symbol found
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; (list part)
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; (when (eql (car part) 'export*?) ;; export*?
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; (find-func sym-name part)))))
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; l)))
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; (let ((defs (mapcan #'(lambda (sym)
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; (find-func (read-from-string (cadr (cl-ppcre:split (concatenate 'string "^" (write-to-string name) ":") (write-to-string sym)))) this))
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; syms)))
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; (mapcan #'(lambda (def)
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; (when (member (car def) allowed-definitions)))
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; defs)))))))
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(defparameter *old-readtables* nil)
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(export*?
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;;; --- actual (exported) code goes here --
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(defmacro val-if-or (val test or)
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`(let ((vv ,val))
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(if (funcall ,test vv) vv ,or)))
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(defun where (expr items)
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(mapcan #'(lambda (x)
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(when (funcall expr x) (list x)))
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items))
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(defun true (f)
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(not (null f)))
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(defun nop ()
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nil)
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(defun yep ()
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t)
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(defun mapline (input fi &key (read-line #'read-line))
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"Map lines from stream"
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(loop for line = (funcall read-line input nil)
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while line do (funcall fi line)))
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(defun strcat (&rest str)
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(apply #'concatenate (cons 'string (mapcar #'(lambda (x)
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(typecase x
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(string x)
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(character (string x))
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(t (write-to-string x))))
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str))))
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(defmacro until (stmt)
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`(let ((ret nil))
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(loop while (null (setf ret ,stmt)))
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ret))
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(defmacro until-trace (stmt)
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`(let ((ret nil))
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(loop while (null (setf ret ,stmt))
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collect ret)))
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(defmacro popor (li or)
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`(if (atom ,li) ,or
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(pop ,li)))
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(defun rand-in (l &key (random #'random) )
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"Random member of, slide right if nil"
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(let ((rng (funcall random (list-length l))))
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(let ((nl (nthcdr rng l)))
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(until (pop nl)))))
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(defun regex-replace-many (str matches replwith)
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"Replace list of regexes with list of new string"
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(let ((ret str))
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(loop for match in matches
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for repl in replwith
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do (setf ret (cl-ppcre:regex-replace-all match ret repl)))))
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(defun in-range(num r s)
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(and (>= num r)
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(<= num s)))
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(defun format-string (fmt &rest r)
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(with-output-to-string (stream)
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(apply #'format `(,stream ,fmt . ,r))))
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(defun get-all-symbols ()
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(let ((lst '()))
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(do-all-symbols (s lst)
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(push s lst))
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lst))
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(defun symbol-match (scan &optional (symbols nil))
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(let ((symbols (val-if-or symbols #'true
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(get-all-symbols))))
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(where #'(lambda (x) (cl-ppcre:scan scan (write-to-string x)))
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symbols)))
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(defun index (i max)
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(if (< i 0)
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(index (+ max i) max)
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(mod i max)))
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(defun slice (seq start end)
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"only works with lists i guess"
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(let ((start (index start (length seq)))
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(end (index end (length seq))))
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(rplacd (nthcdr end seq) nil)
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(nthcdr start seq)))
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(defun flatten-top-level (li)
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(mapcan #'(lambda (x)
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(if (atom x) (list x) x))
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li))
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(defun flatten (li)
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(mapcan #'(lambda (x)
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(if (atom x)
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(list x)
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(flatten x)))
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li))
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(defun strjoin (delim &rest strs)
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(let ((strs (flatten-top-level strs)))
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(apply #'strcat
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(slice
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(mapcan #'(lambda (x)
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(list x delim))
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strs)
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0 -2))))
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(defun export-struct (struct &optional (symbols nil)) ;;XXX: Exporting make-* is a hack and you should fix it
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(mapc #'export (symbol-match (strcat "^(MAKE-)?" (write-to-string struct) "-?") symbols)))
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(defun -export*-struct (structs &optional (symbols nil)) ;;XXX: Exporting make-* is a hack and you should fix it
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(mapc #'export (symbol-match
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(strcat
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"^(MAKE-)?("
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(strjoin "|" (mapcar #'write-to-string structs))
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")-?")
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symbols)))
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(defmacro export*-struct (&rest structs)
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`(-export*-struct '(,@structs)))
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(defun mapn (lam &rest lists)
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"Map and return last"
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(let ((ret '()))
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(mapc #'(lambda (x)
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(setf ret (funcall lam x)))
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(flatten-top-level lists))
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ret))
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(defun cyclic (list)
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(cdr (rplacd (last list) list)))
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(defun map1 (lam &rest lists)
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"Map and return first"
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(let ((ret '())
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(change t))
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(mapc #'(lambda (x)
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(if change
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(progn
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(setf ret (funcall lam x))
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(setf change nil))
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(funcall lam x)))
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(flatten-top-level lists))
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ret))
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(defun mapnth (lam n &rest args)
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"Map and return nth or nil (second value t if match found)"
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(let ((index 0)
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(ret '())
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(match nil))
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(mapc #'(lambda (x)
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(if (= n index)
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(progn (setf ret (funcall lam x)) (setf match t))
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(funcall lam x))
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(incf index))
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(flatten-top-level args))
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(values ret match)))
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(defun mapv (lam &rest args)
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"Map and return values()"
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(apply #'values
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(mapcar lam (flatten-top-level args))))
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(defmacro lexical-boundp (lex)
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`(when (ignore-errors ,lex) t))
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;; --- progressive evals
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(defmacro progen (&rest things)
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`(mapn #'eval '(,@things)))
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(defmacro proge1 (&rest things)
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`(map1 #'eval '(,@things)))
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(defmacro progenth (n &rest things)
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`(mapnth #'eval ,n '(,@things)))
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(defmacro progev (&rest things)
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`(mapv #'eval '(,@things)))
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(defmacro progel (&rest things)
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`(mapcar #'eval '(,@things)))
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(defmacro yield-return (&rest things)
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"Create yield block, returns last of push()ed outputs of yield() (so, last is first etc)"
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`(let ((--yield-vars '())
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(--yield-var nil))
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(declare (special --yield-vars
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--yield-var))
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,@things
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(apply #'values --yield-var)))
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(defmacro yield (value)
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`(when (boundp '--yield-vars)
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(setf --yield-var (multiple-value-list ,value))
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(push (car --yield-var) --yield-vars)))
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(defparameter *yield-global-vars* '())
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(defmacro yield-return-global (name &rest things)
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"Like yield-return but stores values by key in alist and is accessable outside of current lexenv"
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`(car (yield-return
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(push (cons ,name '()) *yield-global-vars*)
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,@things
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(yield (cdr (assoc ,name *yield-global-vars*)))
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(setf *yield-global-vars* (remove ,name *yield-global-vars* :key #'car :count 1)))))
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(defmacro yield-global (name value)
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`(when (assoc ,name *yield-global-vars*)
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(push ,value (cdr (assoc ,name *yield-global-vars*)))))
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;; ---
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(defmacro push-unique (thing things &key (key nil) (test #'eql))
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`(let ((lex-thing ,thing))
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(if (member lex-thing ,things :key ,key :test ,test)
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(values ,things nil)
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(values (push lex-thing ,things) t))))
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(defmacro import* (&rest args)
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(cons 'progn (mapcan #'(lambda (x) `((import ',x))) args)))
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(defmacro shadowing-import* (&rest args)
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(cons 'progn (mapcan #'(lambda (x) `((shadowing-import ',x))) args)))
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(defmacro import*! (&rest args)
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`(mapc #'import (progel ,args)))
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(defmacro shadowing-import*! (&rest args)
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`(mapc #'shadowing-import (progel ,args)))
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(defmacro import*-from (package &rest args)
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(let ((ret (mapcar #'(lambda (x) (read-from-string (strcat (subseq (write-to-string package) 1) ":" (write-to-string x)))) args)))
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`(shadowing-import* @,ret)))
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(defun restrain-index (i max)
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(if nil
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(if (>= i max) (1- max)
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(if (< i 0) 0
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i))
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i))
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(defun many-equals (items &key (test #'eql))
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(let ((comp (car items)))
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(labels ((compare (x to)
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(when (null x) t)
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(when (funcall test (car x) to)
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(compare (cdr x) to))))
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(compare (cdr items) comp))))
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(defun many-eql (&rest items)
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(many-equals items :test #'eql))
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(defstruct async-info
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thread
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handlers
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lock)
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(defmacro push-handler (name lam)
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`(bt:with-lock-held
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((async-info-lock current-async-info))
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(push (cons ,name ,lam)
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(async-info-handlers current-async-info))))
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(defmacro async (&rest form)
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`(let ((current-async-info (make-async-info)))
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(setf (async-info-handlers current-async-info) nil)
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(setf (async-info-lock current-async-info) (bt:make-lock))
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(setf (async-info-thread current-async-info)
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(bt:make-thread
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#'(lambda ()
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,@form)))
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current-async-info))
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(defun async-info-handler (async name &key (test 'eql))
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(bt:with-lock-held ((async-info-lock async))
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(let ((as (assoc name (async-info-handlers async) :test test )))
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(and as
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(cdr as)))))
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(defun wait (handle)
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(if (async-info-p handle)
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(wait (async-info-thread handle))
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(bt:join-thread handle)))
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(defun async-kill (handle)
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(if (async-info-p handle)
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(async-kill (async-info-thread handle))
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(bt:destroy-thread handle)))
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(defun async-alive (handle)
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(if (async-info-p handle)
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(async-alive (async-info-thread handle))
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(bt:thread-alive-p handle)))
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(defun val (v) v)
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(defun groupn (n list)
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(let ((last nil)
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(ret nil))
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(loop for x in list
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for y from 0 below (length list)
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do (if (= 0 (mod y n))
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(push x last)
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(progn
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(push x last)
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(setf ret (cons (reverse last) ret))
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(setf last nil))))
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(reverse ret)))
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(defun sexpr-reader (stream char &key (func 'val))
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"Read next token only if S expression, else return as is"
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(if (char= (peek-char t stream t nil t) #\()
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(values (funcall func (read stream t nil t)) t)
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(let ((*readtable* (copy-readtable)))
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(set-macro-character char nil)
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(values (read-from-string (strcat (string char) (write-to-string (read stream t nil t)))) nil))))
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(defun bang-reader (stream char)
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(declare (ignore char))
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(list (quote not) (read stream t nil t)))
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;
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;(defmacro enable-reader (char func &optional (keep t))
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; `(eval-when (:compile-toplevel :load-toplevel :execute)
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; (when keep
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; (push *readtable* *old-readtables*)
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; (setq *readtable* (copy-readtable)))
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; (set-macro-character ,char ,func)))
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;
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;(defun disable-reader (&optional (char nil))
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; (if (null char)
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; '(eval-when (:compile-toplevel :load-toplevel :execute)
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; (setq *readtable* (pop *old-readtables*)))
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; `(set-macro-character ,char nil)))
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;
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(defun read-delimiter (stream char)
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(declare (ignore stream char)))
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(defun read-next-until (stream char)
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(if (char= (peek-char t stream t nil t) char)
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(progn
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(read-char stream t nil t) nil)
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(read stream t nil t)))
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(defun export-reader (stream char)
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(declare (ignore char))
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(loop for next = (read-next-until stream #\])
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while next
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collect next into objects
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finally (return `(defexport ,@objects))))
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(defun top-level-reader (stream char)
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(multiple-value-bind (thing okay) (sexpr-reader stream char)
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(if okay
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(append (list 'eval-when '(:compile-toplevel :load-toplevel :execute)) (list thing))
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thing)))
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(defun async-reader (stream char)
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(multiple-value-bind (thing okay) (sexpr-reader stream char)
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(if okay
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(cons 'async (list thing))
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thing)))
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(defun lambda-reader (stream char)
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(declare (ignore char))
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`(lambda () ,(read stream t nil t)))
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(defmacro enable-all-readers ()
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"Turn on reader macros"
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'(eval-when (:compile-toplevel :load-toplevel :execute)
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(push *readtable* *old-readtables*)
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(setq *readtable* (copy-readtable))
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(set-macro-character #\[ 'export-reader) ;"Exports all in brackets []"
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(set-macro-character #\] 'read-delimiter)
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(set-macro-character #\$ 'async-reader) ;"Run statement in seperate thread"
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(set-macro-character #\¬ 'bang-reader) ;"Negates next statement"
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(set-macro-character #\£ 'lambda-reader) ;"Wrap statement in lambda"
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(set-macro-character #\€ 'top-level-reader))) ;"Run at compile,load and execute"
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(defmacro disable-all-readers()
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"Turn off reader macros"
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'(eval-when (:compile-toplevel :load-toplevel :execute)
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(setq *readtable* (pop *old-readtables*))))
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; ((defun map-parallel (func seq &key (map #'mapcar) (split 0.25) (debug nil)) ;;; TODO: make this work lol
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; (flet ((dprint (x) (when debug (format t "~S~%" x)) x ))
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; "Map over list in parallel"
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; (let* ((step (floor (* split (list-length seq))))
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; (threads (val-if-or (ceiling (/ 1 split))
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; #'(lambda (val)
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; (< val step))
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; 0)))
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; (if (< threads 2)
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; (funcall map func seq) ;; no splits
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|
; (let ((threads '())
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; (no-threads threads)
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; (outputs (make-list threads))
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; (left '()))
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; (loop for i from 0 below no-threads
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|
; for start from 0 below (list-length seq) by step
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|
; do (progn
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|
; (push (bt:make-thread
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|
; #'(lambda ()
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|
; ;(dprint (list i start (restrain-index (+ step start) (list-length seq) )))
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|
; (rplaca (nthcdr i outputs)
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|
; (funcall map func (slice seq start (+ (1- step) start))))))
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|
; threads)))
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|
; (setf left
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|
; (when (> (mod (list-length seq) step) 0)
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|
; (funcall map func (slice seq (* no-threads step) (+ (* no-threads step) (mod (list-length seq) step))))))
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|
;
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|
; (loop while (apply #'= (cons 0 (mapcar #'(lambda (x) (if (bt:thread-alive-p x) 1 0)) threads))) do
|
|
; (dprint
|
|
; (mapcar #'bt:thread-alive-p
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|
; threads)))
|
|
; (apply #'nconc (append outputs left)))))))
|
|
;
|
|
;(defun map-parallel-test (&key (length 10001))
|
|
; (map-parallel
|
|
; #'(lambda (x)
|
|
; x)
|
|
; (make-list length :initial-element 1)
|
|
; :debug t))
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|
|
|
(defmacro popto (li val &key (test #'eql))
|
|
"pop() list <li> until (car li) is equal to <val>, return elements pop()ed in new list"
|
|
`(loop while (not (funcall ,test (car ,li) ,val))
|
|
collect (pop ,li)))
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|
|
|
(defmacro popn (li n)
|
|
"pop() list <li> <n> times, return elements pop()ed in a new list."
|
|
(if (numberp n)
|
|
(list 'let '((tmp 'nil))
|
|
(apply #'list 'progn
|
|
(loop for x from 1 to n
|
|
collect `(setf tmp (cons (pop ,li) tmp))))
|
|
'(reverse tmp))
|
|
`(loop for x from 1 to ,n collect (pop ,li))))
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|
|
|
(defun make-paged-vector (blocksize &key (element-type 'integer))
|
|
"Vector that increases size in blocks"
|
|
(list (make-array blocksize :element-type element-type :fill-pointer 0 :adjustable t) blocksize 0 1))
|
|
|
|
(defun paged-vector<-size (vec) (caddr vec))
|
|
(defun paged-vector<-blocksize (vec) (cadr vec))
|
|
(defun paged-vector<-blocks (vec) (cadddr vec))
|
|
|
|
(defmacro paged-vector->push (vec elem)
|
|
"add <elem> to end, extending if needed"
|
|
`(if (>= (1+ (mod (paged-vector<-size ,vec) (paged-vector<-blocksize ,vec))) (paged-vector<-blocksize ,vec))
|
|
(progn
|
|
(adjust-array (car ,vec)
|
|
(* (1+ (paged-vector<-blocks ,vec))
|
|
(paged-vector<-blocksize ,vec)))
|
|
(incf (cadddr ,vec))
|
|
(incf (caddr ,vec))
|
|
(vector-push ,elem (car ,vec))
|
|
,vec)
|
|
(progn (incf (caddr ,vec)) (vector-push ,elem (car ,vec)) ,vec)))
|
|
|
|
(defun make-paged-vector-s (elements blocksize)
|
|
"make-paged-vector with default elements"
|
|
(let ((out (make-paged-vector blocksize)))
|
|
(mapc #'(lambda (x) (paged-vector->push out x)) elements) out))
|
|
|
|
(defmacro paged-vector<- (vec) `(car ,vec))
|
|
|
|
) ;; -- end export
|
|
|
|
(mapc #'fmakunbound '(insystem? export? export*?))
|
|
|
|
)) ;; -- end guard
|