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visual-cells

★ 40 Open GitHub ↗

Display Lisp S-exp as tree of cons cells in a cario surface(pdf+ png).

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# visual-cells
Display Lisp S-exp as tree of cons cells in a cario surface(pdf+png).

Quick Guide
===
Download File 'src/visual-cells.lisp' in this repository. put it in current directory. 
Load 'visual-cells.lisp' to your lisp image. For example : 
```lisp
 (load "visual-cells.lisp")
 (visual-cells:fvs '((a . 1) (b . 2) (c . 3)) "alist")
```
alist.png 
![alist.png](https://raw.githubusercontent.com/cuichaox/visual-cells/master/demo/alist.png)

Call visual-cells in Slime
===
Add following line to your common lisp startup script. (eg. ~/.sbclrc) 
```lisp
 (load "/path-to/visual-cells.lisp") ; Change "/path-to/" to your directory.
```
Add following lines to your emacs startup file.(eg. ~/.emacs)

```lisp
;; function to call by emacs
(defun visual-exp ()
 (interactive)
 (slime-eval `(swank:eval-and-grab-output
		,(concat "(visual-cells::fvs '"
			 (slime-last-expression)
			 "\"/tmp/vs.out\")")))
 (let* ((o-buffer-name "*visual-cells-output*")
	 (o-buffer (get-buffer o-buffer-name)))
 (when o-buffer (kill-buffer o-buffer))
 (find-file-read-only-other-window "/tmp/vs.out.png")
 (rename-buffer "*visual-cells-output*")))
;; set key binding for slime mode
(global-auto-revert-mode 1)
(add-hook 'slime-mode-hook
	 '(lambda ()
	 (define-key slime-mode-map "\C-cv" 'visual-exp)))
```
Start your Emacs and run slime, Open a lisp file. 
Move the point to end of a s-expresion, press "Ctrl+C V", the graphical display of the s-expression will open in Eamcs . 
![slime-screenshot.png](https://raw.githubusercontent.com/cuichaox/visual-cells/master/demo/slime-screenshot.png)

Todo
===
Specific topology and style  for more Lisp data type, such as Hash, Alist, Plist etc.

visual-cells

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