mirror/emacs
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-11-21 06:55:39 +00:00
Code Issues Releases Activity
master
emacs/lisp/calc/calc-store.el
Po Lu 8e1c56ae46 ; Add 2024 to copyright years
2024-01-02 09:47:10 +08:00

679 lines
23 KiB
EmacsLisp
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; calc-store.el --- value storage functions for Calc -*- lexical-binding:t -*-
;; Copyright (C) 1990-1993, 2001-2024 Free Software Foundation, Inc.
;; Author: David Gillespie <daveg@synaptics.com>
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
;; This file is autoloaded from calc-ext.el.
(require 'calc-ext)
(require 'calc-macs)
;;; Memory commands.
(defvar calc-store-keep nil)
(defun calc-store (&optional var)
(interactive)
(let ((calc-store-keep t))
(calc-store-into var)))
(defvar calc-given-value-flag nil)
(defvar calc-given-value)
(defun calc-store-into (&optional var)
(interactive)
(calc-wrapper
(let ((calc-given-value nil)
(calc-given-value-flag 1))
(or var (setq var (calc-read-var-name "Store: " t)))
(if var
(let ((found (assq var '( ( + . calc-store-plus )
( - . calc-store-minus )
( * . calc-store-times )
( / . calc-store-div )
( ^ . calc-store-power )
( | . calc-store-concat ) ))))
(if found
(funcall (cdr found))
(let ((msg
(calc-store-value var (or calc-given-value (calc-top 1))
"" calc-given-value-flag)))
(message "Stored to variable \"%s\"%s"
(calc-var-name var) msg))))
(setq var (calc-is-assignments (calc-top 1)))
(if var
(while var
(let ((msg
(calc-store-value (car (car var)) (cdr (car var))
(if (not (cdr var)) "")
(if (not (cdr var)) 1))))
(message "Stored to variable \"%s\"%s"
(calc-var-name (car (car var))) msg))
(setq var (cdr var))))))))
(defun calc-store-plus (&optional var)
(interactive)
(calc-store-binary var "+" '+))
(defun calc-store-minus (&optional var)
(interactive)
(calc-store-binary var "-" '-))
(defun calc-store-times (&optional var)
(interactive)
(calc-store-binary var "*" '*))
(defun calc-store-div (&optional var)
(interactive)
(calc-store-binary var "/" '/))
(defun calc-store-power (&optional var)
(interactive)
(calc-store-binary var "^" '^))
(defun calc-store-concat (&optional var)
(interactive)
(calc-store-binary var "|" '|))
(defun calc-store-neg (n &optional var)
(interactive "p")
(calc-store-binary var "n" '/ (- n)))
(defun calc-store-inv (n &optional var)
(interactive "p")
(calc-store-binary var "&" '^ (- n)))
(defun calc-store-incr (n &optional var)
(interactive "p")
(calc-store-binary var "n" '- (- n)))
(defun calc-store-decr (n &optional var)
(interactive "p")
(calc-store-binary var "n" '- n))
(defun calc-store-value (var value tag &optional pop)
(let ((msg ""))
(if var
(let ((old (calc-var-value var)))
(set var value)
(if pop (or calc-store-keep (calc-pop-stack pop)))
(calc-record-undo (list 'store (symbol-name var) old))
(if tag
(let ((calc-full-trail-vectors nil))
(calc-record value (format ">%s%s" tag (calc-var-name var)))))
(cond
((and (memq var '(var-e var-i var-pi var-phi var-gamma))
(eq (car-safe old) 'special-const))
(setq msg (format " (Note: Built-in definition of %s has been lost)"
(calc-var-name var))))
((and (memq var '(var-inf var-uinf var-nan))
(null old))
(setq msg (format " (Note: %s has built-in meanings which may interfere)"
(calc-var-name var)))))
(calc-refresh-evaltos var)))
msg))
(defun calc-var-name (var)
(if (symbolp var) (setq var (symbol-name var)))
(if (string-match "\\`var-." var)
(substring var 4)
var))
(defun calc-store-binary (var tag func &optional val)
(calc-wrapper
(let ((calc-simplify-mode (if (eq calc-simplify-mode 'none)
'num calc-simplify-mode))
(value (or val (calc-top 1))))
(or var (setq var (calc-read-var-name (format "Store %s: " tag))))
(if var
(let ((old (calc-var-value var)))
(if (eq (car-safe old) 'special-const)
(error "\"%s\" is a special constant" (calc-var-name var)))
(if (not old)
(if (memq var '(var-inf var-uinf var-nan))
(error "\"%s\" is a special variable" (calc-var-name var))
(error "No such variable: \"%s\"" (calc-var-name var))))
(if (stringp old)
(setq old (math-read-expr old)))
(if (eq (car-safe old) 'error)
(error "Bad format in variable contents: %s" (nth 2 old)))
(calc-store-value var
(calc-normalize (if (calc-is-inverse)
(list func value old)
(list func old value)))
tag (and (not val) 1))
(message "Variable \"%s\" changed" (calc-var-name var)))))))
(defvar calc-var-name-map
(let ((map (copy-keymap minibuffer-local-completion-map)))
(define-key map " " #'self-insert-command)
(mapc (lambda (x)
(define-key map (char-to-string x)
#'calcVar-digit))
"0123456789")
(mapc (lambda (x)
(define-key map (char-to-string x)
#'calcVar-oper))
"+-*/^|")
map)
"Keymap for reading Calc variable names.")
(defvar calc-store-opers)
(defvar calc-read-var-name-history nil
"History for reading variable names.")
(defun calc-read-var-name (prompt &optional store-opers)
(setq calc-given-value nil
calc-aborted-prefix nil)
(let* ((calc-store-opers store-opers)
(var (concat
"var-"
(minibuffer-with-setup-hook
(lambda ()
(setq-local minibuffer-completion-table
(mapcar (lambda (x) (substring x 4))
(all-completions "var-" obarray)))
(setq-local minibuffer-completion-predicate
(lambda (x)
(boundp (intern (concat "var-" x)))))
(setq-local minibuffer-completion-confirm t))
(read-from-minibuffer
prompt nil calc-var-name-map nil
'calc-read-var-name-history)))))
(setq calc-aborted-prefix "")
(and (not (equal var "var-"))
(if (string-match "\\`\\([-a-zA-Zα-ωΑ-Ω0-9]+\\) *:?=" var)
(if (null calc-given-value-flag)
(error "Assignment is not allowed in this command")
(let ((svar (intern (substring var 0 (match-end 1)))))
(setq calc-given-value-flag 0
calc-given-value (math-read-expr
(substring var (match-end 0))))
(if (eq (car-safe calc-given-value) 'error)
(error "Bad format: %s" (nth 2 calc-given-value)))
(setq calc-given-value (math-evaluate-expr calc-given-value))
svar))
(intern var)))))
(defun calcVar-digit ()
(interactive)
(if (calc-minibuffer-contains "\\'")
(if (eq calc-store-opers 0)
(beep)
(insert "q")
(self-insert-and-exit))
(self-insert-command 1)))
(defun calcVar-oper ()
(interactive)
(if (and (eq calc-store-opers t)
(calc-minibuffer-contains "\\'"))
(progn
(erase-buffer)
(self-insert-and-exit))
(self-insert-command 1)))
(defun calc-store-map (&optional oper var)
(interactive)
(calc-wrapper
(let* ((calc-dollar-values (mapcar #'calc-get-stack-element
(nthcdr calc-stack-top calc-stack)))
(calc-dollar-used 0)
(oper (or oper (calc-get-operator "Store Mapping")))
(nargs (car oper)))
(or var (setq var (calc-read-var-name (format "Store Mapping %s: "
(nth 2 oper)))))
(if var
(let ((old (calc-var-value var)))
(if (eq (car-safe old) 'special-const)
(error "\"%s\" is a special constant" (calc-var-name var)))
(if (not old)
(if (memq var '(var-inf var-uinf var-nan))
(error "\"%s\" is a special variable" (calc-var-name var))
(error "No such variable: \"%s\"" (calc-var-name var))))
(let ((calc-simplify-mode (if (eq calc-simplify-mode 'none)
'num calc-simplify-mode))
(values (and (> nargs 1)
(calc-top-list (1- nargs) (1+ calc-dollar-used)))))
(message "Working...")
(calc-set-command-flag 'clear-message)
(if (stringp old)
(setq old (math-read-expr old)))
(if (eq (car-safe old) 'error)
(error "Bad format in variable contents: %s" (nth 2 old)))
(setq values (if (calc-is-inverse)
(append values (list old))
(append (list old) values)))
(calc-store-value var
(calc-normalize (cons (nth 1 oper) values))
(nth 2 oper)
(+ calc-dollar-used (1- nargs)))
(message "Variable \"%s\" changed" (calc-var-name var))))))))
(defun calc-store-exchange (&optional var)
(interactive)
(calc-wrapper
(let ((calc-given-value nil)
(calc-given-value-flag 1)
top)
(or var (setq var (calc-read-var-name "Exchange with: ")))
(if var
(let ((value (calc-var-value var)))
(if (eq (car-safe value) 'special-const)
(error "\"%s\" is a special constant" (calc-var-name var)))
(if (not value)
(if (memq var '(var-inf var-uinf var-nan))
(error "\"%s\" is a special variable" (calc-var-name var))
(error "No such variable: \"%s\"" (calc-var-name var))))
(setq top (or calc-given-value (calc-top 1)))
(calc-store-value var top nil)
(calc-pop-push-record calc-given-value-flag
(concat "<>" (calc-var-name var)) value))))))
(defun calc-unstore (&optional var)
(interactive)
(calc-wrapper
(or var (setq var (calc-read-var-name "Unstore: ")))
(if var
(progn
(and (memq var '(var-e var-i var-pi var-phi var-gamma))
(eq (car-safe (calc-var-value var)) 'special-const)
(message "(Note: Built-in definition of %s has been lost)" var))
(if (and (boundp var) (symbol-value var))
(message "Unstored variable \"%s\"" (calc-var-name var))
(message "Variable \"%s\" remains unstored" (calc-var-name var)))
(makunbound var)
(calc-refresh-evaltos var)))))
(defun calc-let (&optional var)
(interactive)
(calc-wrapper
(let* ((calc-given-value nil)
(calc-given-value-flag 1)
thing value)
(or var (setq var (calc-read-var-name "Let variable: ")))
(if calc-given-value
(setq value calc-given-value
thing (calc-top 1))
(setq value (calc-top 1)
thing (calc-top 2)))
(setq var (if var
(list (cons var value))
(calc-is-assignments value)))
(if var
(calc-pop-push-record
(1+ calc-given-value-flag)
(concat "=" (calc-var-name (car (car var))))
(let ((saved-val (mapcar (lambda (v)
(and (boundp (car v))
(symbol-value (car v))))
var)))
(unwind-protect
(let ((vv var))
(while vv
(set (car (car vv)) (calc-normalize (cdr (car vv))))
(calc-refresh-evaltos (car (car vv)))
(setq vv (cdr vv)))
(math-evaluate-expr thing))
(while saved-val
(if (car saved-val)
(set (car (car var)) (car saved-val))
(makunbound (car (car var))))
(setq saved-val (cdr saved-val)
var (cdr var)))
(calc-handle-whys))))))))
(defun calc-is-assignments (value)
(if (memq (car-safe value) '(calcFunc-eq calcFunc-assign))
(and (eq (car-safe (nth 1 value)) 'var)
(list (cons (nth 2 (nth 1 value)) (nth 2 value))))
(if (eq (car-safe value) 'vec)
(let ((vv nil))
(while (and (setq value (cdr value))
(memq (car-safe (car value))
'(calcFunc-eq calcFunc-assign))
(eq (car-safe (nth 1 (car value))) 'var))
(setq vv (cons (cons (nth 2 (nth 1 (car value)))
(nth 2 (car value)))
vv)))
(and (not value)
vv)))))
(defun calc-recall (&optional var)
(interactive)
(calc-wrapper
(or var (setq var (calc-read-var-name "Recall: ")))
(if var
(let ((value (calc-var-value var)))
(or value
(error "No such variable: \"%s\"" (calc-var-name var)))
(if (stringp value)
(setq value (math-read-expr value)))
(if (eq (car-safe value) 'error)
(error "Bad format in variable contents: %s" (nth 2 value)))
(setq value (calc-normalize value))
(let ((calc-full-trail-vectors nil))
(calc-record value (concat "<" (calc-var-name var))))
(calc-push value)))))
(defun calc-store-quick ()
(interactive)
(calc-store (intern (format "var-q%c" last-command-event))))
(defun calc-store-into-quick ()
(interactive)
(calc-store-into (intern (format "var-q%c" last-command-event))))
(defun calc-recall-quick ()
(interactive)
(calc-recall (intern (format "var-q%c" last-command-event))))
(defun calc-copy-special-constant (&optional sconst var)
(interactive)
(let ((sc '(("")
("e" . (special-const (math-e)))
("pi" . (special-const (math-pi)))
("i" . (special-const (math-imaginary 1)))
("phi" . (special-const (math-phi)))
("gamma" . (special-const (math-gamma-const))))))
(calc-wrapper
(or sconst (setq sconst (completing-read "Special constant: " sc nil t)))
(unless (string= sconst "")
(let ((value (cdr (assoc sconst sc))))
(or var (setq var (calc-read-var-name
(format "Copy special constant %s, to: "
sconst))))
(if var
(let ((msg (calc-store-value var value "")))
(message "Special constant \"%s\" copied to \"%s\"%s"
sconst (calc-var-name var) msg))))))))
(defun calc-copy-variable (&optional var1 var2)
(interactive)
(calc-wrapper
(or var1 (setq var1 (calc-read-var-name "Copy variable: ")))
(if var1
(let ((value (calc-var-value var1)))
(or value
(error "No such variable: \"%s\"" (calc-var-name var1)))
(or var2 (setq var2 (calc-read-var-name
(format "Copy variable: %s, to: "
(calc-var-name var1)))))
(if var2
(let ((msg (calc-store-value var2 value "")))
(message "Variable \"%s\" copied to \"%s\"%s"
(calc-var-name var1) (calc-var-name var2) msg)))))))
(defvar calc-last-edited-variable nil)
(defun calc-edit-variable (&optional var)
(interactive)
(calc-wrapper
(unless var
(setq var (calc-read-var-name
(format-prompt "Edit" (and calc-last-edited-variable
(calc-var-name
calc-last-edited-variable))))))
(or var (setq var calc-last-edited-variable))
(if var
(let* ((value (calc-var-value var)))
(if (eq (car-safe value) 'special-const)
(error "%s is a special constant" var))
(setq calc-last-edited-variable var)
(calc--edit-mode (lambda () (calc-finish-stack-edit var))
t
(format-message
"Editing variable `%s'" (calc-var-name var)))
(and value
(insert (math-format-nice-expr value (frame-width)) "\n")))))
(calc-show-edit-buffer))
(defun calc-edit-Decls ()
(interactive)
(calc-edit-variable 'var-Decls))
(defun calc-edit-EvalRules ()
(interactive)
(calc-edit-variable 'var-EvalRules))
(defun calc-edit-FitRules ()
(interactive)
(calc-edit-variable 'var-FitRules))
(defun calc-edit-GenCount ()
(interactive)
(calc-edit-variable 'var-GenCount))
(defun calc-edit-Holidays ()
(interactive)
(calc-edit-variable 'var-Holidays))
(defun calc-edit-IntegLimit ()
(interactive)
(calc-edit-variable 'var-IntegLimit))
(defun calc-edit-LineStyles ()
(interactive)
(calc-edit-variable 'var-LineStyles))
(defun calc-edit-PointStyles ()
(interactive)
(calc-edit-variable 'var-PointStyles))
(defun calc-edit-PlotRejects ()
(interactive)
(calc-edit-variable 'var-PlotRejects))
(defun calc-edit-AlgSimpRules ()
(interactive)
(calc-edit-variable 'var-AlgSimpRules))
(defun calc-edit-TimeZone ()
(interactive)
(calc-edit-variable 'var-TimeZone))
(defun calc-edit-Units ()
(interactive)
(calc-edit-variable 'var-Units))
(defun calc-edit-ExtSimpRules ()
(interactive)
(calc-edit-variable 'var-ExtSimpRules))
(defun calc-declare-variable (&optional var)
(interactive)
(calc-wrapper
(or var (setq var (calc-read-var-name "Declare: " 0)))
(or var (setq var 'var-All))
(let* (dp decl row rp) ;; def
(or (and (calc-var-value 'var-Decls)
(eq (car-safe var-Decls) 'vec))
(setq var-Decls (list 'vec)))
(setq dp var-Decls)
(while (and (setq dp (cdr dp))
(or (not (eq (car-safe (car dp)) 'vec))
(/= (length (car dp)) 3)
(progn
(setq row (nth 1 (car dp))
rp row)
(if (eq (car-safe row) 'vec)
(progn
(while
(and (setq rp (cdr rp))
(or (not (eq (car-safe (car rp)) 'var))
(not (eq (nth 2 (car rp)) var)))))
(setq rp (car rp)))
(if (or (not (eq (car-safe row) 'var))
(not (eq (nth 2 row) var)))
(setq rp nil)))
(not rp)))))
(calc-unread-command ?\C-a)
(setq decl (read-string (format "Declare: %s to be: " (calc-var-name var))
(and rp
(math-format-flat-expr (nth 2 (car dp)) 0))))
(setq decl (and (string-match "[^ \t]" decl)
(math-read-exprs decl)))
(if (eq (car-safe decl) 'error)
(error "Bad format in declaration: %s" (nth 2 decl)))
(if (cdr decl)
(setq decl (cons 'vec decl))
(setq decl (car decl)))
(and (eq (car-safe decl) 'vec)
(= (length decl) 2)
(setq decl (nth 1 decl)))
(calc-record (append '(vec) (list (math-build-var-name var))
(and decl (list decl)))
"decl")
(setq var-Decls (copy-sequence var-Decls))
(if (eq (car-safe row) 'vec)
(progn
(setcdr row (delq rp (cdr row)))
(or (cdr row)
(setq var-Decls (delq (car dp) var-Decls))))
(setq var-Decls (delq (car dp) var-Decls)))
(if decl
(progn
(setq dp (and (not (eq var 'var-All)) var-Decls))
(while (and (setq dp (cdr dp))
(or (not (eq (car-safe (car dp)) 'vec))
(/= (length (car dp)) 3)
(not (equal (nth 2 (car dp)) decl)))))
(if dp
(setcar (cdr (car dp))
(append (if (eq (car-safe (nth 1 (car dp))) 'vec)
(nth 1 (car dp))
(list 'vec (nth 1 (car dp))))
(list (math-build-var-name var))))
(setq var-Decls (append var-Decls
(list (list 'vec
(math-build-var-name var)
decl)))))))
(calc-refresh-evaltos 'var-Decls))))
(defvar calc-dont-insert-variables '(var-FitRules var-FactorRules
var-CommuteRules var-JumpRules
var-DistribRules var-MergeRules
var-NegateRules var-InvertRules
var-IntegAfterRules
var-TimeZone var-PlotRejects
var-PlotData1 var-PlotData2
var-PlotData3 var-PlotData4
var-PlotData5 var-PlotData6
var-DUMMY))
;; The variable calc-pv-pos is local to calc-permanent-variable, but
;; used by calc-insert-permanent-variable, which is called by
;; calc-permanent-variable.
(defvar calc-pv-pos)
(defun calc-permanent-variable (&optional var)
(interactive)
(calc-wrapper
(or var (setq var (calc-read-var-name (format-prompt "Save variable" "all"))))
(let (calc-pv-pos)
(and var (or (and (boundp var) (symbol-value var))
(error "No such variable")))
(set-buffer (find-file-noselect (substitute-in-file-name
calc-settings-file)))
(if var
(calc-insert-permanent-variable var)
(mapatoms (lambda (x)
(and (string-match "\\`var-" (symbol-name x))
(not (memq x calc-dont-insert-variables))
(calc-var-value x)
(not (eq (car-safe (symbol-value x)) 'special-const))
(calc-insert-permanent-variable x)))))
(save-buffer))))
(defun calc-insert-permanent-variable (var)
(goto-char (point-min))
(if (let (case-fold-search)
(search-forward (concat "(setq " (symbol-name var) " '") nil t))
(progn
(setq calc-pv-pos (point-marker))
(forward-line -1)
(if (looking-at ";;; Variable .* stored by Calc on ")
(progn
(delete-region (match-end 0) (progn (end-of-line) (point)))
(insert (current-time-string))))
(goto-char (- calc-pv-pos 8 (length (symbol-name var))))
(forward-sexp 1)
(backward-char 1)
(delete-region calc-pv-pos (point)))
(goto-char (point-max))
(insert "\n;;; Variable \""
(symbol-name var)
"\" stored by Calc on "
(current-time-string)
"\n(setq "
(symbol-name var)
" ')\n")
(backward-char 2))
(insert (prin1-to-string (calc-var-value var)))
(forward-line 1))
(defun calc-insert-variables (buf)
(interactive "bBuffer in which to save variable values: ")
(with-current-buffer buf
(mapatoms (lambda (x)
(and (string-match "\\`var-" (symbol-name x))
(not (memq x calc-dont-insert-variables))
(calc-var-value x)
(not (eq (car-safe (symbol-value x)) 'special-const))
(or (not (eq x 'var-Decls))
(not (equal var-Decls '(vec))))
(or (not (eq x 'var-Holidays))
(not (equal var-Holidays '(vec (var sat var-sat)
(var sun var-sun)))))
(insert "(setq "
(symbol-name x)
" "
(prin1-to-string
(let ((calc-language
(if (memq calc-language '(nil big))
'flat
calc-language)))
(math-format-value (symbol-value x) 100000)))
")\n"))))))
(defun calc-assign (arg)
(interactive "P")
(calc-slow-wrapper
(calc-binary-op ":=" 'calcFunc-assign arg)))
(defun calc-evalto (arg)
(interactive "P")
(calc-slow-wrapper
(calc-unary-op "=>" 'calcFunc-evalto arg)))
(defun calc-subscript (arg)
(interactive "P")
(calc-slow-wrapper
(calc-binary-op "sub" 'calcFunc-subscr arg)))
(provide 'calc-store)
;;; calc-store.el ends here
Reference in New Issue View Git Blame Copy Permalink