From 4a6e889feba7bb382bb9e356d15e8260a256ced4 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Sun, 1 Jan 2017 18:17:29 +0100 Subject: gexp: Properly report substitution errors. * guix/gexp.scm (gexp)[substitute-ungexp]: Wrap body in 'with-syntax' and pass EXP as the last argument to 'syntax-error'. [substitute-ungexp-splicing]: Pass EXP as the last argument to 'syntax-error'. --- guix/gexp.scm | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'guix') diff --git a/guix/gexp.scm b/guix/gexp.scm index 6f63afe6a6..79a7b18b09 100644 --- a/guix/gexp.scm +++ b/guix/gexp.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2014, 2015, 2016 Ludovic Courtès +;;; Copyright © 2014, 2015, 2016, 2017 Ludovic Courtès ;;; ;;; This file is part of GNU Guix. ;;; @@ -846,9 +846,9 @@ environment." (match (assoc exp substs) ((_ id) id) - (_ - #'(syntax-error "error: no 'ungexp' substitution" - #'ref)))) + (_ ;internal error + (with-syntax ((exp exp)) + #'(syntax-error "error: no 'ungexp' substitution" exp))))) (define (substitute-ungexp-splicing exp substs) (syntax-case exp () @@ -860,7 +860,7 @@ environment." #,(substitute-references #'(rest ...) substs)))) (_ #'(syntax-error "error: no 'ungexp-splicing' substitution" - #'ref)))))) + exp)))))) (define (substitute-references exp substs) ;; Return a variant of EXP where all the cars of SUBSTS have been -- cgit v1.2.3