diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/cl-macs.el | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el index d2c90c2b809..56170e6a71b 100644 --- a/lisp/emacs-lisp/cl-macs.el +++ b/lisp/emacs-lisp/cl-macs.el @@ -1808,6 +1808,27 @@ Labels have lexical scope and dynamic extent." `(throw ',catch-tag ',label)))) ,@macroexpand-all-environment))))) +(defun cl--prog (binder bindings body) + (let (decls) + (while (eq 'declare (car-safe (car body))) + (push (pop body) decls)) + `(cl-block nil + (,binder ,bindings + ,@(nreverse decls) + (cl-tagbody . ,body))))) + +;;;###autoload +(defmacro cl-prog (bindings &rest body) + "Run BODY like a `cl-tagbody' after setting up the BINDINGS. +Shorthand for (cl-block nil (let BINDINGS (cl-tagbody BODY)))" + (cl--prog 'let bindings body)) + +;;;###autoload +(defmacro cl-prog* (bindings &rest body) + "Run BODY like a `cl-tagbody' after setting up the BINDINGS. +Shorthand for (cl-block nil (let* BINDINGS (cl-tagbody BODY)))" + (cl--prog 'let* bindings body)) + ;;;###autoload (defmacro cl-do-symbols (spec &rest body) "Loop over all symbols. |