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| author | Ludovic Courtès <ludo@gnu.org> | 2018-05-16 10:05:24 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2018-05-23 10:21:02 +0200 |
| commit | 7874bbbb9f09cc14ea3e179fd0fa10da5f90cfc7 (patch) | |
| tree | 858882215ed759814f841b714250434e975f604f /tests | |
| parent | 56f9d442e0b5624130042f69f33ea5bd7e970798 (diff) | |
| download | guix-7874bbbb9f09cc14ea3e179fd0fa10da5f90cfc7.tar guix-7874bbbb9f09cc14ea3e179fd0fa10da5f90cfc7.tar.gz | |
records: Insert record type ABI checks in constructors.
* guix/records.scm (print-record-abi-mismatch-error): New procedure.
<top level>: Add 'set-exception-printer!' call.
(current-abi-identifier, abi-check): New procedures.
(make-syntactic-constructor): Add #:abi-cookie parameter. Insert calls
to 'abi-check'.
(define-record-type*)[compute-abi-cookie]: New procedure.
Use it and emit a definition of the 'current-abi-identifier' for TYPE.
* tests/records.scm ("ABI checks"): New test.
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/records.scm | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/tests/records.scm b/tests/records.scm index d6d27bb96a..80e08a9a5f 100644 --- a/tests/records.scm +++ b/tests/records.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2018 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -288,6 +288,34 @@ (and (string-match "extra.*initializer.*baz" message) (eq? proc 'foo))))) +(test-assert "ABI checks" + (let ((module (test-module))) + (eval '(begin + (define-record-type* <foo> foo make-foo + foo? + (bar foo-bar (default 42))) + + (define (make-me-a-record) (foo))) + module) + (unless (eval '(foo? (make-me-a-record)) module) + (error "what?" (eval '(make-me-a-record) module))) + + ;; Redefine <foo> with an additional field. + (eval '(define-record-type* <foo> foo make-foo + foo? + (baz foo-baz) + (bar foo-bar (default 42))) + module) + + ;; Now 'make-me-a-record' is out of sync because it does an + ;; 'allocate-struct' that corresponds to the previous definition of <foo>. + (catch 'record-abi-mismatch-error + (lambda () + (eval '(foo? (make-me-a-record)) module) + #f) + (lambda (key rtd . _) + (eq? rtd (eval '<foo> module)))))) + (test-equal "recutils->alist" '((("Name" . "foo") ("Version" . "0.1") |