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preceding-sexp

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Vinicius Jose Latorre 2007-08-20 15:53:09 +00:00
parent 1c0f367bc2
commit 88b73bbf7e
2 changed files with 60 additions and 51 deletions
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105
lisp/emacs-lisp/lisp-mode.el
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@ -539,62 +539,65 @@ If CHAR is not a character, return nil."
string))))
(defun preceding-sexp ()
"Return sexp before the point."
(let ((opoint (point))
ignore-quotes
expr)
(save-excursion
(with-syntax-table emacs-lisp-mode-syntax-table
;; If this sexp appears to be enclosed in `...'
;; then ignore the surrounding quotes.
(setq ignore-quotes
(or (eq (following-char) ?\')
(eq (preceding-char) ?\')))
(forward-sexp -1)
;; If we were after `?\e' (or similar case),
;; use the whole thing, not just the `e'.
(when (eq (preceding-char) ?\\)
(forward-char -1)
(when (eq (preceding-char) ??)
(forward-char -1)))
;; Skip over `#N='s.
(when (eq (preceding-char) ?=)
(let (labeled-p)
(save-excursion
(skip-chars-backward "0-9#=")
(setq labeled-p (looking-at "\\(#[0-9]+=\\)+")))
(when labeled-p
(forward-sexp -1))))
(save-restriction
;; vladimir@cs.ualberta.ca 30-Jul-1997: skip ` in
;; `variable' so that the value is returned, not the
;; name
(if (and ignore-quotes
(eq (following-char) ?`))
(forward-char))
(narrow-to-region (point-min) opoint)
(setq expr (read (current-buffer)))
;; If it's an (interactive ...) form, it's more
;; useful to show how an interactive call would
;; use it.
(and (consp expr)
(eq (car expr) 'interactive)
(setq expr
(list 'call-interactively
(list 'quote
(list 'lambda
'(&rest args)
expr
'args)))))
expr)))))
(defun eval-last-sexp-1 (eval-last-sexp-arg-internal)
"Evaluate sexp before point; print value in minibuffer.
With argument, print output into current buffer."
(let ((standard-output (if eval-last-sexp-arg-internal (current-buffer) t)))
(let ((value
(eval (let ((stab (syntax-table))
(opoint (point))
ignore-quotes
expr)
(save-excursion
(with-syntax-table emacs-lisp-mode-syntax-table
;; If this sexp appears to be enclosed in `...'
;; then ignore the surrounding quotes.
(setq ignore-quotes
(or (eq (following-char) ?\')
(eq (preceding-char) ?\')))
(forward-sexp -1)
;; If we were after `?\e' (or similar case),
;; use the whole thing, not just the `e'.
(when (eq (preceding-char) ?\\)
(forward-char -1)
(when (eq (preceding-char) ??)
(forward-char -1)))
(eval-last-sexp-print-value (eval (preceding-sexp)))))
;; Skip over `#N='s.
(when (eq (preceding-char) ?=)
(let (labeled-p)
(save-excursion
(skip-chars-backward "0-9#=")
(setq labeled-p (looking-at "\\(#[0-9]+=\\)+")))
(when labeled-p
(forward-sexp -1))))
(save-restriction
;; vladimir@cs.ualberta.ca 30-Jul-1997: skip ` in
;; `variable' so that the value is returned, not the
;; name
(if (and ignore-quotes
(eq (following-char) ?`))
(forward-char))
(narrow-to-region (point-min) opoint)
(setq expr (read (current-buffer)))
;; If it's an (interactive ...) form, it's more
;; useful to show how an interactive call would
;; use it.
(and (consp expr)
(eq (car expr) 'interactive)
(setq expr
(list 'call-interactively
(list 'quote
(list 'lambda
'(&rest args)
expr
'args)))))
expr)))))))
(eval-last-sexp-print-value value))))
(defun eval-last-sexp-print-value (value)
(let ((unabbreviated (let ((print-length nil) (print-level nil))