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;;;; utils.lisp -- some random utils I collect. might be useful, probably won't be.
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(defpackage :flan-utils
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(:use :cl)
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(:nicknames :fu))
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(in-package :flan-utils)
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(defmacro export* (&rest syms)
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"Export all symbols"
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(cons 'progn (mapcan #'(lambda (x) `((export ',x))) syms)))
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(defmacro eval-all (syms)
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"Eval all statements, return in list."
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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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"Eval all statements export return values"
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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 defexport (&rest val)
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"Same as export*! for some reason"
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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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"Read file into string"
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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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(defparameter *old-readtables* nil)
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(defexport
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;;; --- actual (exported) code goes here --
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(defun copy-stream (from to &key (buffer-size 4096))
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"Block copy byte streams"
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(let ((buffer (make-array buffer-size :element-type '(unsigned-byte 8))))
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(loop for bytes-read = (read-sequence buffer from)
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while (plusp bytes-read)
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do (write-sequence buffer to :end bytes-read))))
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(defun real-copy-file (from to)
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"Copy a file"
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(with-open-file (from from :direction :input :element-type '(unsigned-byte 8))
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(with-open-file (to to :direction :output :if-exists :supersede :element-type '(unsigned-byte 8))
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(copy-stream from to))))
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(defun real-move-file (from to)
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"Actually move a file"
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(real-copy-file from to)
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(delete-file from))
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(defmacro errors (stmt)
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`(let ((ret (handler-case (cons ,stmt nil)
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(t (c) (cons nil c)))))
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(values (car ret) (cdr ret))))
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(defmacro try-catch (try &body catch)
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(let ((errnm (gensym)))
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`(let ((,errnm (handler-case (cons ,try nil)
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(t (e)
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(let ((e e))
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(cons (progn ,@catch) e))))))
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(if (cdr ,errnm)
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(values (car ,errnm) (cdr ,errnm))
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(values (car ,errnm) nil)))))
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(defmacro try (&body body)
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`(try-catch
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(progn
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,@body)
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nil))
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(defmacro try-catch-finally (try catch &body finally)
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(let ((ret (gensym))
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(err (gensym)))
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`(multiple-value-bind (,ret ,err) (try-catch ,try ,catch)
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(values (progn ,@finally) ,ret ,err))))
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(defmacro try-finally (try &body finally)
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`(try-catch-finally
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,try
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nil
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,@finally))
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(defmacro val-if-or (val test or)
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"(if (test val) val 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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"Do nothing"
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nil)
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(defun yep ()
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"Do nothing"
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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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"Concat all strings, if item is not string it is written to one."
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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 strcat-fast (&rest strings)
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"Concat all strings, they need to be strings. Use `strcat' instead unless you can guarantee you won't violate that."
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`(concatenate 'string
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,@strings))
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(defmacro until (stmt)
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"Repeat stmt until its return is not NIL, then return that value."
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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 popor (li or)
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"If li is list, pop it, else return 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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"Pretty sure this doesn't work"
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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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"Like sprintf I guess"
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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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"Gets 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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"Return all symbols whose names match regex `scan'. If symbols are not provided, get them all."
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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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"Looping index"
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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-list (seq start &optional (end -1))
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"Like JS slice() for list"
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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 slice (seq start &optional (end -1))
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"Like JS slice()?"
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(let ((start (index start (length seq)))
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(end (index end (1+ (length seq)))))
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(subseq seq start end)))
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(defun flatten-top-level (li)
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"'( (1 2) 3 4 (5 6 7) (8) ((9 10))) -> ( 1 2 3 4 5 6 7 8 (9 10))"
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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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"'( (1 2) 3 4 (5 6 7) (8) ((9 10))) -> ( 1 2 3 4 5 6 7 8 9 10)"
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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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"Join strings with deliminator"
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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-* does not check for $
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"Export all symbols relating to `struct'"
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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
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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 all symbols relating to multiple 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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"Simple circular 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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"XXX: Use (declare (special ...)) instead"
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`(when (ignore-errors ,lex) t))
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;; --- progressive evals
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(defmacro progex (funcs expr)
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"run funcs on expr, return specified"
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(let ((name (gensym)))
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`(let ((,name ,expr))
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(mapcar #'(lambda (x) (funcall x ,name)) ,funcs)
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,name)))
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(defmacro progen (&rest things)
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"mapn eval 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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`(map1 #'eval '(,@things)))
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(defmacro progenth (n &rest things)
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"mapnth eval n 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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`(mapv #'eval '(,@things)))
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(defmacro progel (&rest things)
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"mapcar eval things"
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`(mapcar #'eval '(,@things)))
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(defmacro progenc (&rest things)
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"mapcan eval things"
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`(mapcan #'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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"Yield return value `value' if in yield-return(...) block."
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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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"Push if not member"
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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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"Import all symbols"
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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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"Import all symbols (shadowing)"
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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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"Map eval then import all returns"
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`(mapc #'import (progel ,args)))
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(defmacro shadowing-import*! (&rest args)
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"Map eval then import all returns (shadowing)"
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`(mapc #'shadowing-import (progel ,args)))
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|
(defmacro import*-from (package &rest args)
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|
|
"Import all symbols from package. NOTE: You shouldn't prefix the symbols with the package name"
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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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;
|
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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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|
"For some reason equality comparers don't like more than 2 args"
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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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|
; --- async stuff
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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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|
|
"Push new handler to current async-info with name"
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|
|
"NOTE: Should only be used inside an async() body."
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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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|
|
|
"Run form(s) async"
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|
`(let ((current-async-info (make-async-info)))
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|
|
(setf (async-info-handlers current-async-info) nil)
|
|
|
|
(setf (async-info-lock current-async-info) (bt:make-lock))
|
|
|
|
(setf (async-info-thread current-async-info)
|
|
|
|
(bt:make-thread
|
|
|
|
#'(lambda ()
|
|
|
|
,@form)))
|
|
|
|
current-async-info))
|
|
|
|
|
|
|
|
(defun async-info-handler (async name &key (test 'eql))
|
|
|
|
"Get handler from async-info of name"
|
|
|
|
(bt:with-lock-held ((async-info-lock async))
|
|
|
|
(let ((as (assoc name (async-info-handlers async) :test test )))
|
|
|
|
(and as
|
|
|
|
(cdr as)))))
|
|
|
|
|
|
|
|
(defun wait (handle)
|
|
|
|
"Wait on async()"
|
|
|
|
(if (async-info-p handle)
|
|
|
|
(wait (async-info-thread handle))
|
|
|
|
(bt:join-thread handle)))
|
|
|
|
|
|
|
|
(defun async-kill (handle)
|
|
|
|
"Kill async()"
|
|
|
|
(if (async-info-p handle)
|
|
|
|
(async-kill (async-info-thread handle))
|
|
|
|
(bt:destroy-thread handle)))
|
|
|
|
|
|
|
|
(defun async-alive (handle)
|
|
|
|
"Is async() alive"
|
|
|
|
(if (async-info-p handle)
|
|
|
|
(async-alive (async-info-thread handle))
|
|
|
|
(bt:thread-alive-p handle)))
|
|
|
|
|
|
|
|
(defun val (v) v)
|
|
|
|
|
|
|
|
(defun groupn (n list)
|
|
|
|
"Group list into sublists every `n' items."
|
|
|
|
(let ((last nil)
|
|
|
|
(ret nil))
|
|
|
|
(loop for x in list
|
|
|
|
for y from 0 below (length list)
|
|
|
|
do (if (= 0 (mod y n))
|
|
|
|
(push x last)
|
|
|
|
(progn
|
|
|
|
(push x last)
|
|
|
|
(setf ret (cons (reverse last) ret))
|
|
|
|
(setf last nil))))
|
|
|
|
(reverse ret)))
|
|
|
|
|
|
|
|
; --- reader macros
|
|
|
|
|
|
|
|
(defun sexpr-reader (stream char &key (func 'val) (unset t) (keep-char t))
|
|
|
|
"Read next token only if S expression, else return as is"
|
|
|
|
(if (char= (peek-char t stream t nil t) #\()
|
|
|
|
(values (funcall func (read stream t nil t)) t)
|
|
|
|
(let ((*readtable* (copy-readtable)))
|
|
|
|
(and unset (set-macro-character char nil))
|
|
|
|
(if keep-char
|
|
|
|
(values (read-from-string (strcat (string char) (write-to-string (read stream t nil t)))) nil)
|
|
|
|
(values (read stream t nil t) nil)))))
|
|
|
|
|
|
|
|
(defun not-reader (stream char)
|
|
|
|
(declare (ignore char))
|
|
|
|
(list (quote not) (read stream t nil t)))
|
|
|
|
|
|
|
|
(defun read-delimiter (stream char)
|
|
|
|
(declare (ignore stream char)))
|
|
|
|
|
|
|
|
(defun read-next-until (stream char)
|
|
|
|
(if (char= (peek-char t stream t nil t) char)
|
|
|
|
(progn
|
|
|
|
(read-char stream t nil t) nil)
|
|
|
|
(read stream t nil t)))
|
|
|
|
|
|
|
|
(defun export-reader (stream char)
|
|
|
|
(declare (ignore char))
|
|
|
|
(loop for next = (read-next-until stream #\])
|
|
|
|
while next
|
|
|
|
collect next into objects
|
|
|
|
finally (return `(defexport ,@objects))))
|
|
|
|
|
|
|
|
(defun top-level-reader (stream char)
|
|
|
|
(multiple-value-bind (thing okay) (sexpr-reader stream char)
|
|
|
|
(if okay
|
|
|
|
(append (list 'eval-when '(:compile-toplevel :load-toplevel :execute)) (list thing))
|
|
|
|
thing)))
|
|
|
|
|
|
|
|
(defun async-reader (stream char)
|
|
|
|
(multiple-value-bind (thing okay) (sexpr-reader stream char)
|
|
|
|
(if okay
|
|
|
|
(cons 'async (list thing))
|
|
|
|
thing)))
|
|
|
|
|
|
|
|
(defun lambda-reader (stream char)
|
|
|
|
(declare (ignore char))
|
|
|
|
`(lambda () ,(read stream t nil t)))
|
|
|
|
|
|
|
|
(defmacro enable-all-readers ()
|
|
|
|
"Turn on reader macros"
|
|
|
|
'(eval-when (:compile-toplevel :load-toplevel :execute)
|
|
|
|
(push *readtable* *old-readtables*)
|
|
|
|
(setq *readtable* (copy-readtable))
|
|
|
|
|
|
|
|
(set-macro-character #\[ 'export-reader) ;"Exports all in brackets []"
|
|
|
|
(set-macro-character #\] 'read-delimiter)
|
|
|
|
(set-macro-character #\$ 'async-reader) ;"Run statement in seperate thread"
|
|
|
|
(set-macro-character #\¬ 'not-reader) ;"Negates next statement"
|
|
|
|
(set-macro-character #\£ 'lambda-reader) ;"Wrap statement in lambda"
|
|
|
|
(set-macro-character #\€ 'top-level-reader))) ;"Run at compile,load and execute"
|
|
|
|
|
|
|
|
(defmacro disable-all-readers()
|
|
|
|
"Turn off reader macros"
|
|
|
|
'(eval-when (:compile-toplevel :load-toplevel :execute)
|
|
|
|
(setq *readtable* (pop *old-readtables*))))
|
|
|
|
|
|
|
|
; ((defun map-parallel (func seq &key (map #'mapcar) (split 0.25) (debug nil)) ;;; TODO: make this work lol
|
|
|
|
; (flet ((dprint (x) (when debug (format t "~S~%" x)) x ))
|
|
|
|
; "Map over list in parallel"
|
|
|
|
; (let* ((step (floor (* split (list-length seq))))
|
|
|
|
; (threads (val-if-or (ceiling (/ 1 split))
|
|
|
|
; #'(lambda (val)
|
|
|
|
; (< val step))
|
|
|
|
; 0)))
|
|
|
|
; (if (< threads 2)
|
|
|
|
; (funcall map func seq) ;; no splits
|
|
|
|
; (let ((threads '())
|
|
|
|
; (no-threads threads)
|
|
|
|
; (outputs (make-list threads))
|
|
|
|
; (left '()))
|
|
|
|
; (loop for i from 0 below no-threads
|
|
|
|
; for start from 0 below (list-length seq) by step
|
|
|
|
; do (progn
|
|
|
|
; (push (bt:make-thread
|
|
|
|
; #'(lambda ()
|
|
|
|
; ;(dprint (list i start (restrain-index (+ step start) (list-length seq) )))
|
|
|
|
; (rplaca (nthcdr i outputs)
|
|
|
|
; (funcall map func (slice seq start (+ (1- step) start))))))
|
|
|
|
; threads)))
|
|
|
|
; (setf left
|
|
|
|
; (when (> (mod (list-length seq) step) 0)
|
|
|
|
; (funcall map func (slice seq (* no-threads step) (+ (* no-threads step) (mod (list-length seq) step))))))
|
|
|
|
;
|
|
|
|
; (loop while (apply #'= (cons 0 (mapcar #'(lambda (x) (if (bt:thread-alive-p x) 1 0)) threads))) do
|
|
|
|
; (dprint
|
|
|
|
; (mapcar #'bt:thread-alive-p
|
|
|
|
; 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))
|
|
|
|
|
|
|
|
; --- others
|
|
|
|
|
|
|
|
(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)))
|
|
|
|
|
|
|
|
(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))))
|
|
|
|
|
|
|
|
(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
|
|
|
|
|
|
|
|
|