Reviewers: ,
Message:
I've needed something like this for a long time - lemme know what you
think!
Cheers,
MS
Description:
Produces better error messages when programmers forget to document a
property.
Please review this at http://codereview.appspot.com/4801045/
Affected files:
M scm/documentation-lib.scm
Index: scm/documentation-lib.scm
diff --git a/scm/documentation-lib.scm b/scm/documentation-lib.scm
index
b71709def4f8c79fd9e41bde5257c01b1e632687..d197d36560f137cac326e56423f94bcd881805fd
100644
--- a/scm/documentation-lib.scm
+++ b/scm/documentation-lib.scm
@@ -179,6 +179,11 @@ string-to-use). If QUOTE? is #t, embed table in a
@quotation environment."
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; property stuff.
+(define (verify-type-name where sym type)
+ (if (eq? type #f)
+ (ly:error (_ "cannot find description for property ~S (~S)") sym
where))
+ (type-name type))
+
(define (property->texi where sym . rest)
"Document SYM for WHERE (which can be translation, backend, music),
with init values from ALIST (1st optional argument)
@@ -190,7 +195,7 @@ with init values from ALIST (1st optional argument)
(doc-name (string->symbol
(string-append (symbol->string where) "-doc")))
(type (object-property sym type?-name))
- (typename (type-name type))
+ (typename (verify-type-name where sym type))
(desc (object-property sym doc-name))
(init-value (assoc-get sym alist)))
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