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Add error checking to ensure blame-source produces a srcloc? as documented.

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This commit is contained in:
Carl Eastlund 2013-03-15 12:19:32 -04:00
parent c8f79dacbb
commit 4ebf53e919
2 changed files with 20 additions and 11 deletions
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2
collects/racket/contract/private/base.rkt
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@ -49,7 +49,7 @@
(check-source-location! 'contract loc)
(let ([new-val
(((contract-projection c)
(make-blame loc name (λ () (contract-name c)) pos neg #t))
(make-blame (build-source-location loc) name (λ () (contract-name c)) pos neg #t))
v)])
(if (and (not (parameter? new-val)) ;; when PR 11221 is fixed, remove this line
(procedure? new-val)

11
collects/racket/contract/private/blame.rkt
View File

@ -45,7 +45,16 @@
(define -make-blame
(let ([make-blame
(λ (source value build-name positive negative original?)
(lambda (source value build-name positive negative original?)
(unless (srcloc? source)
(raise-type-error 'make-blame "source location (srcloc?)" 0
source value build-name positive negative original?))
(unless (procedure? build-name)
(raise-type-error 'make-blame "procedure" 2
source value build-name positive negative original?))
(unless (procedure-arity-includes? build-name 0)
(raise-type-error 'make-blame "procedure of 0 arguments" 2
source value build-name positive negative original?))
(make-blame
source
value