bug#47550: [PATCH] elisp mode doesn't support non-list argument lists
Vasilij Schneidermann <[email protected]>
| Newsgroups | gmane.lisp.guile.bugs |
|---|---|
| Message-ID | <[email protected]> |
When I've tried porting existing elisp code, I've found that `(defun foo nil 1)` errors out (on Guile 3 and master) , but `(defun foo () 1)` doesn't. The following patch rectifies this by treating `nil` the same as `()` when compiling a lambda.
0001-elisp-Handle-nil-argument-list.patch
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From f3a7bd452e476f5769972ab2cac6da1cf4997c4f Mon Sep 17 00:00:00 2001 From: Vasilij Schneidermann <[email protected]> Date: Thu, 1 Apr 2021 18:05:07 +0200 Subject: [PATCH] elisp: Handle nil argument list * module/language/elisp/compile-tree.scm (parse-lambda-list): Handle nil the same as (). --- module/language/elisp/compile-tree-il.scm | 1 + 1 file changed, 1 insertion(+) diff --git a/module/language/elisp/compile-tree-il.scm b/module/language/elisp/compile-tree-il.scm index 0334e6f33..adbeb2005 100644 --- a/module/language/elisp/compile-tree-il.scm +++ b/module/language/elisp/compile-tree-il.scm @@ -259,6 +259,7 @@ (define (%match lst null optional rest symbol) (pmatch lst (() (null)) + (nil (null)) ((&optional . ,tail) (optional tail)) ((&rest . ,tail) (rest tail)) ((,arg . ,tail) (guard (symbol? arg)) (symbol arg tail)) -- 2.31.1
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