diff options
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/records.scm | 19 | ||||
| -rw-r--r-- | guix/ui.scm | 5 |
2 files changed, 17 insertions, 7 deletions
diff --git a/guix/records.scm b/guix/records.scm index 99507dc384..4bda5426a3 100644 --- a/guix/records.scm +++ b/guix/records.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2018 Mark H Weaver <mhw@netris.org> ;;; ;;; This file is part of GNU Guix. @@ -70,14 +70,22 @@ interface\" (ABI) for TYPE is equal to COOKIE." "~a: record ABI mismatch; recompilation needed" (list #,type) '())))) - (define (report-invalid-field-specifier name bindings) - "Report the first invalid binding among BINDINGS." + (define* (report-invalid-field-specifier name bindings + #:optional parent-form) + "Report the first invalid binding among BINDINGS. PARENT-FORM is used for +error-reporting purposes." (let loop ((bindings bindings)) (syntax-case bindings () (((field value) rest ...) ;good (loop #'(rest ...))) ((weird _ ...) ;weird! - (syntax-violation name "invalid field specifier" #'weird))))) + ;; WEIRD may be an identifier, thus lacking source location info, and + ;; BINDINGS is a list, also lacking source location info. Hopefully + ;; PARENT-FORM provides source location info. + (apply syntax-violation name "invalid field specifier" + (if parent-form + (list parent-form #'weird) + (list #'weird))))))) (define (report-duplicate-field-specifier name ctor) "Report the first duplicate identifier among the bindings in CTOR." @@ -233,7 +241,8 @@ of TYPE matches the expansion-time ABI." ;; Report precisely which one is faulty, instead of letting the ;; "source expression failed to match any pattern" error. (report-invalid-field-specifier 'name - #'(bindings (... ...)))))))))) + #'(bindings (... ...)) + s)))))))) (define-syntax-rule (define-field-property-predicate predicate property) "Define PREDICATE as a procedure that takes a syntax object and, when passed diff --git a/guix/ui.scm b/guix/ui.scm index b99a9e59f5..01aeee49eb 100644 --- a/guix/ui.scm +++ b/guix/ui.scm @@ -372,9 +372,10 @@ ARGS is the list of arguments received by the 'throw' handler." (format (current-error-port) (G_ "~amissing closing parenthesis~%") location)) (apply throw args))) - (('syntax-error proc message properties form . rest) + (('syntax-error proc message properties form subform . rest) (let ((loc (source-properties->location properties))) - (report-error loc (G_ "~a~%") message))) + (report-error loc (G_ "~s: ~a~%") + (or subform form) message))) (('unbound-variable _ ...) (report-unbound-variable-error args #:frame frame)) (((or 'srfi-34 '%exception) obj) |