diff options
Diffstat (limited to 'lisp/emacs-lisp/cl-macs.el')
| -rw-r--r-- | lisp/emacs-lisp/cl-macs.el | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el index 4408bb58464..3317c580028 100644 --- a/lisp/emacs-lisp/cl-macs.el +++ b/lisp/emacs-lisp/cl-macs.el @@ -1317,13 +1317,12 @@ For more details, see Info node `(cl)Loop Facility'. ((memq word '(across across-ref)) (let ((temp-vec (make-symbol "--cl-vec--")) - (temp-len (make-symbol "--cl-len--")) (temp-idx (make-symbol "--cl-idx--"))) (push (list temp-vec (pop cl--loop-args)) loop-for-bindings) - (push (list temp-len `(length ,temp-vec)) loop-for-bindings) (push (list temp-idx -1) loop-for-bindings) + (push `(setq ,temp-idx (1+ ,temp-idx)) cl--loop-body) (cl--push-clause-loop-body - `(< (setq ,temp-idx (1+ ,temp-idx)) ,temp-len)) + `(< ,temp-idx (length ,temp-vec))) (if (eq word 'across-ref) (push (list var `(aref ,temp-vec ,temp-idx)) cl--loop-symbol-macs) @@ -1337,7 +1336,6 @@ For more details, see Info node `(cl)Loop Facility'. (error "Expected `of'")))) (seq (cl--pop2 cl--loop-args)) (temp-seq (make-symbol "--cl-seq--")) - (temp-len (make-symbol "--cl-len--")) (temp-idx (if (eq (car cl--loop-args) 'using) (if (and (= (length (cadr cl--loop-args)) 2) @@ -1348,19 +1346,16 @@ For more details, see Info node `(cl)Loop Facility'. (push (list temp-seq seq) loop-for-bindings) (push (list temp-idx 0) loop-for-bindings) (if ref - (progn + (let ((temp-len (make-symbol "--cl-len--"))) (push (list temp-len `(length ,temp-seq)) loop-for-bindings) (push (list var `(elt ,temp-seq ,temp-idx)) cl--loop-symbol-macs) - (cl--push-clause-loop-body `(< ,temp-idx ,temp-len))) - ;; Evaluate seq length just if needed, that is, when seq is not a cons. - (push (list temp-len (or (consp seq) `(length ,temp-seq))) - loop-for-bindings) + (cl--push-clause-loop-body `(< ,temp-idx ,temp-len))) (push (list var nil) loop-for-bindings) (cl--push-clause-loop-body `(and ,temp-seq (or (consp ,temp-seq) - (< ,temp-idx ,temp-len)))) + (< ,temp-idx (length ,temp-seq))))) (push (list var `(if (consp ,temp-seq) (pop ,temp-seq) (aref ,temp-seq ,temp-idx))) |