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-rw-r--r--lisp/calc/calc-rewr.el44
1 files changed, 25 insertions, 19 deletions
diff --git a/lisp/calc/calc-rewr.el b/lisp/calc/calc-rewr.el
index bb909e728e1..2cc7b6beef0 100644
--- a/lisp/calc/calc-rewr.el
+++ b/lisp/calc/calc-rewr.el
@@ -1,4 +1,4 @@
-;;; calc-rewr.el --- rewriting functions for Calc
+;;; calc-rewr.el --- rewriting functions for Calc -*- lexical-binding:t -*-
;; Copyright (C) 1990-1993, 2001-2020 Free Software Foundation, Inc.
@@ -142,7 +142,7 @@
(calc-pop-push-record-list n "rwrt" (list expr)))
(calc-handle-whys)))
-(defun calc-match (pat &optional interactive)
+(defun calc-match (pat &optional _interactive)
(interactive "sPattern: \np")
(calc-slow-wrapper
(let (n expr)
@@ -158,9 +158,9 @@
(setq expr (calc-top-n 1)
n 1))
(or (math-vectorp expr) (error "Argument must be a vector"))
- (if (calc-is-inverse)
- (calc-enter-result n "mtcn" (math-match-patterns pat expr t))
- (calc-enter-result n "mtch" (math-match-patterns pat expr nil))))))
+ (calc-enter-result n "mtcn"
+ (math-match-patterns pat expr
+ (not (not (calc-is-inverse))))))))
(defvar math-mt-many)
@@ -169,8 +169,10 @@
;; but is used by math-rewrite-phase
(defvar math-rewrite-whole-expr)
-(defun math-rewrite (math-rewrite-whole-expr rules &optional math-mt-many)
- (let* ((crules (math-compile-rewrites rules))
+(defun math-rewrite (rewrite-whole-expr rules &optional mt-many)
+ (let* ((math-rewrite-whole-expr rewrite-whole-expr)
+ (math-mt-many mt-many)
+ (crules (math-compile-rewrites rules))
(heads (math-rewrite-heads math-rewrite-whole-expr))
(trace-buffer (get-buffer "*Trace*"))
(calc-display-just 'center)
@@ -211,6 +213,8 @@
":\n" fmt "\n"))))
math-rewrite-whole-expr))
+(defvar math-rewrite-phase 1)
+
(defun math-rewrite-phase (sched)
(while (and sched (/= math-mt-many 0))
(if (listp (car sched))
@@ -464,6 +468,8 @@
;;; whole match the name v. Beware of circular structures!
;;;
+(defvar math-rewrite-whole nil)
+
(defun math-compile-patterns (pats)
(if (and (eq (car-safe pats) 'var)
(calc-var-value (nth 2 pats)))
@@ -485,7 +491,6 @@
(cdr pats)
(list pats)))))))))
-(defvar math-rewrite-whole nil)
(defvar math-make-import-list nil)
;; The variable math-import-list is local to part of math-compile-rewrites,
@@ -580,7 +585,7 @@
(let ((rule-set nil)
(all-heads nil)
(nil-rules nil)
- (rule-count 0)
+ ;; (rule-count 0)
(math-schedule nil)
(math-iterations nil)
(math-phases nil)
@@ -831,14 +836,16 @@
(defvar math-rwcomp-subst-new-func)
(defvar math-rwcomp-subst-old-func)
-(defun math-rwcomp-substitute (expr math-rwcomp-subst-old math-rwcomp-subst-new)
- (if (and (eq (car-safe math-rwcomp-subst-old) 'var)
- (memq (car-safe math-rwcomp-subst-new) '(var calcFunc-lambda)))
- (let ((math-rwcomp-subst-old-func (math-var-to-calcFunc math-rwcomp-subst-old))
- (math-rwcomp-subst-new-func (math-var-to-calcFunc math-rwcomp-subst-new)))
+(defun math-rwcomp-substitute (expr rwcomp-subst-old rwcomp-subst-new)
+ (let ((math-rwcomp-subst-old rwcomp-subst-old)
+ (math-rwcomp-subst-new rwcomp-subst-new))
+ (if (and (eq (car-safe rwcomp-subst-old) 'var)
+ (memq (car-safe rwcomp-subst-new) '(var calcFunc-lambda)))
+ (let ((math-rwcomp-subst-old-func (math-var-to-calcFunc rwcomp-subst-old))
+ (math-rwcomp-subst-new-func (math-var-to-calcFunc rwcomp-subst-new)))
(math-rwcomp-subst-rec expr))
(let ((math-rwcomp-subst-old-func nil))
- (math-rwcomp-subst-rec expr))))
+ (math-rwcomp-subst-rec expr)))))
(defun math-rwcomp-subst-rec (expr)
(cond ((equal expr math-rwcomp-subst-old) math-rwcomp-subst-new)
@@ -1452,8 +1459,6 @@
,form
(setcar rules orig))))
-(defvar math-rewrite-phase 1)
-
;; The variable math-apply-rw-regs is local to math-apply-rewrites,
;; but is used by math-rwapply-replace-regs and math-rwapply-reg-looks-negp
;; which are called by math-apply-rewrites.
@@ -1463,11 +1468,12 @@
;; but is used by math-rwapply-remember.
(defvar math-apply-rw-ruleset)
-(defun math-apply-rewrites (expr rules &optional heads math-apply-rw-ruleset)
+(defun math-apply-rewrites (expr rules &optional heads apply-rw-ruleset)
(and
(setq rules (cdr (or (assq (car-safe expr) rules)
(assq nil rules))))
- (let ((result nil)
+ (let ((math-apply-rw-ruleset apply-rw-ruleset)
+ (result nil)
op math-apply-rw-regs inst part pc mark btrack
(tracing math-rwcomp-tracing)
(phase math-rewrite-phase))