diff options
Diffstat (limited to 'lisp/emacs-lisp/byte-run.el')
| -rw-r--r-- | lisp/emacs-lisp/byte-run.el | 73 |
1 files changed, 43 insertions, 30 deletions
diff --git a/lisp/emacs-lisp/byte-run.el b/lisp/emacs-lisp/byte-run.el index b4582a41d6c..b44ec68e2bf 100644 --- a/lisp/emacs-lisp/byte-run.el +++ b/lisp/emacs-lisp/byte-run.el @@ -1,6 +1,6 @@ ;;; byte-run.el --- byte-compiler support for inlining -*- lexical-binding: t -*- -;; Copyright (C) 1992, 2001-2012 Free Software Foundation, Inc. +;; Copyright (C) 1992, 2001-2013 Free Software Foundation, Inc. ;; Author: Jamie Zawinski <jwz@lucid.com> ;; Hallvard Furuseth <hbf@ulrik.uio.no> @@ -121,7 +121,7 @@ and the VALUES and should return the code to use to set this property.") (defalias 'defmacro (cons 'macro - #'(lambda (name arglist &optional docstring decl &rest body) + #'(lambda (name arglist &optional docstring &rest body) "Define NAME as a macro. When the macro is called, as in (NAME ARGS...), the function (lambda ARGLIST BODY...) is applied to @@ -130,32 +130,38 @@ and the result should be a form to be evaluated instead of the original. DECL is a declaration, optional, of the form (declare DECLS...) where DECLS is a list of elements of the form (PROP . VALUES). These are interpreted according to `macro-declarations-alist'. -The return value is undefined." - (if (stringp docstring) nil - (if decl (setq body (cons decl body))) - (setq decl docstring) - (setq docstring nil)) - (if (or (null decl) (eq 'declare (car-safe decl))) nil - (setq body (cons decl body)) - (setq decl nil)) - (if (null body) (setq body '(nil))) - (if docstring (setq body (cons docstring body))) - ;; Can't use backquote because it's not defined yet! - (let* ((fun (list 'function (cons 'lambda (cons arglist body)))) - (def (list 'defalias - (list 'quote name) - (list 'cons ''macro fun))) - (declarations - (mapcar - #'(lambda (x) - (let ((f (cdr (assq (car x) macro-declarations-alist)))) - (if f (apply (car f) name arglist (cdr x)) - (message "Warning: Unknown macro property %S in %S" - (car x) name)))) - (cdr decl)))) - (if declarations - (cons 'prog1 (cons def declarations)) - def))))) +The return value is undefined. + +\(fn NAME ARGLIST &optional DOCSTRING DECL &rest BODY)" + ;; We can't just have `decl' as an &optional argument, because we need + ;; to distinguish + ;; (defmacro foo (arg) (bar) nil) + ;; from + ;; (defmacro foo (arg) (bar)). + (let ((decls (cond + ((eq (car-safe docstring) 'declare) + (prog1 (cdr docstring) (setq docstring nil))) + ((and (stringp docstring) + (eq (car-safe (car body)) 'declare)) + (prog1 (cdr (car body)) (setq body (cdr body))))))) + (if docstring (setq body (cons docstring body)) + (if (null body) (setq body '(nil)))) + ;; Can't use backquote because it's not defined yet! + (let* ((fun (list 'function (cons 'lambda (cons arglist body)))) + (def (list 'defalias + (list 'quote name) + (list 'cons ''macro fun))) + (declarations + (mapcar + #'(lambda (x) + (let ((f (cdr (assq (car x) macro-declarations-alist)))) + (if f (apply (car f) name arglist (cdr x)) + (message "Warning: Unknown macro property %S in %S" + (car x) name)))) + decls))) + (if declarations + (cons 'prog1 (cons def declarations)) + def)))))) ;; Now that we defined defmacro we can use it! (defmacro defun (name arglist &optional docstring &rest body) @@ -177,7 +183,8 @@ The return value is undefined. (let ((decls (cond ((eq (car-safe docstring) 'declare) (prog1 (cdr docstring) (setq docstring nil))) - ((eq (car-safe (car body)) 'declare) + ((and (stringp docstring) + (eq (car-safe (car body)) 'declare)) (prog1 (cdr (car body)) (setq body (cdr body))))))) (if docstring (setq body (cons docstring body)) (if (null body) (setq body '(nil)))) @@ -192,7 +199,13 @@ The return value is undefined. (memq (car x) ;C.f. cl-do-proclaim. '(special inline notinline optimize warn))) (push (list 'declare x) - (if (stringp docstring) (cdr body) body)) + (if (stringp docstring) + (if (eq (car-safe (cadr body)) 'interactive) + (cddr body) + (cdr body)) + (if (eq (car-safe (car body)) 'interactive) + (cdr body) + body))) nil) (t (message "Warning: Unknown defun property `%S' in %S" (car x) name))))) |