diff options
Diffstat (limited to 'lisp/emacs-lisp/macroexp.el')
| -rw-r--r-- | lisp/emacs-lisp/macroexp.el | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/lisp/emacs-lisp/macroexp.el b/lisp/emacs-lisp/macroexp.el index 6bb796434fd..e3a746fa69e 100644 --- a/lisp/emacs-lisp/macroexp.el +++ b/lisp/emacs-lisp/macroexp.el @@ -1,6 +1,6 @@ ;;; macroexp.el --- Additional macro-expansion support -*- lexical-binding: t; coding: utf-8 -*- ;; -;; Copyright (C) 2004-2013 Free Software Foundation, Inc. +;; Copyright (C) 2004-2014 Free Software Foundation, Inc. ;; ;; Author: Miles Bader <miles@gnu.org> ;; Keywords: lisp, compiler, macros @@ -111,15 +111,20 @@ and also to avoid outputting the warning during normal execution." (funcall (eval (cadr form))) (byte-compile-constant nil))) +(defun macroexp--compiling-p () + "Return non-nil if we're macroexpanding for the compiler." + ;; FIXME: ¡¡Major Ugly Hack!! To determine whether the output of this + ;; macro-expansion will be processed by the byte-compiler, we check + ;; circumstantial evidence. + (member '(declare-function . byte-compile-macroexpand-declare-function) + macroexpand-all-environment)) + + (defun macroexp--warn-and-return (msg form) (let ((when-compiled (lambda () (byte-compile-log-warning msg t)))) (cond ((null msg) form) - ;; FIXME: ¡¡Major Ugly Hack!! To determine whether the output of this - ;; macro-expansion will be processed by the byte-compiler, we check - ;; circumstantial evidence. - ((member '(declare-function . byte-compile-macroexpand-declare-function) - macroexpand-all-environment) + ((macroexp--compiling-p) `(progn (macroexp--funcall-if-compiled ',when-compiled) ,form)) |