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fixed error messages to say struct/c when appropriate

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This commit is contained in:
Robby Findler 2017-01-04 16:49:38 -06:00
parent 67da8dbaf0
commit 057ab0c5ff
2 changed files with 23 additions and 11 deletions
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9
pkgs/racket-test/tests/racket/contract/struct-dc.rkt
View File

@ -1217,6 +1217,15 @@
(λ (x)
(and (exn:fail? x)
(regexp-match #rx"chaperone-contract[?]" (exn-message x)))))
(contract-error-test
'struct/c-non-chaperone-runtime-error
'(let ()
(struct s (x))
(struct/c s (new-∀/c 'α)))
(λ (x)
(and (exn:fail? x)
(regexp-match #rx"^struct/c" (exn-message x)))))
(contract-error-test
'struct/dc-not-a-field

25
racket/collects/racket/contract/private/struct-dc.rkt
View File

@ -225,6 +225,7 @@
(define (struct/dc-late-neg-proj ctc)
(define pred? (base-struct/dc-pred ctc))
(define struct/c? (base-struct/dc-struct/c? ctc))
(λ (blame)
(define orig-blames
(for/list ([subcontract (in-list (base-struct/dc-subcontracts ctc))])
@ -343,7 +344,7 @@
(coerce-contract
'struct/dc
(apply (dep-dep-proc subcontract) dep-args))))
(when dep-ctc (check-flat/chaperone dep-ctc subcontract))
(when dep-ctc (check-flat/chaperone dep-ctc subcontract struct/c?))
(define dep-ctc-blame-proj (and dep-ctc (get/build-late-neg-projection dep-ctc)))
(define-values (new-chaperone-args new-impersonate-args)
(cond
@ -453,7 +454,8 @@
blame+neg-party
(build-dep-on-state-proj
(base-struct/dc-subcontracts ctc) subcontract strct
orig-indy-projs orig-indy-blames blame neg-party val)))
orig-indy-projs orig-indy-blames blame neg-party val
struct/c?)))
chaperone-args)
impersonate-args)]
[(dep-on-state-mutable? subcontract)
@ -463,13 +465,14 @@
blame+neg-party
(build-dep-on-state-proj (base-struct/dc-subcontracts ctc) subcontract strct
orig-indy-projs orig-indy-blames blame neg-party
val)))
val struct/c?)))
(define (set-chap-proc strct val)
(with-contract-continuation-mark
blame+neg-party
(build-dep-on-state-proj
(base-struct/dc-subcontracts ctc) subcontract strct
orig-mut-indy-projs orig-mut-indy-blames mut-blame neg-party val)))
orig-mut-indy-projs orig-mut-indy-blames mut-blame neg-party val
struct/c?)))
(if (eq? (dep-type subcontract) '#:impersonator)
(values chaperone-args
(list* sel
@ -577,7 +580,7 @@
(cons (car l) (remove-ith (cdr l) (- i 1))))]))
(define (build-dep-on-state-proj orig-subcontracts this-subcontract strct projs
blames blame neg-party val)
blames blame neg-party val struct/c?)
(let loop ([subcontracts orig-subcontracts]
[blames blames]
[projs projs]
@ -593,7 +596,7 @@
[(eq? subcontract this-subcontract)
(define the-ctc
(coerce-contract 'struct/dc (apply (dep-dep-proc this-subcontract) dep-args)))
(check-flat/chaperone the-ctc subcontract)
(check-flat/chaperone the-ctc subcontract struct/c?)
(((get/build-late-neg-projection the-ctc) blame) val neg-party)]
[else
(define indy-blame (car blames))
@ -606,7 +609,7 @@
(define dep-ctc-blame-proj (and dep-ctc (get/build-late-neg-projection dep-ctc)))
(when (dep? subcontract)
(check-flat/chaperone dep-ctc subcontract))
(check-flat/chaperone dep-ctc subcontract struct/c?))
(define new-dep-args
(if (and (subcontract? subcontract) (subcontract-depended-on? subcontract))
@ -622,18 +625,18 @@
(cdr projs)
new-dep-args)])])))
(define (check-flat/chaperone dep-ctc subcontract)
(define (check-flat/chaperone dep-ctc subcontract struct/c?)
(case (dep-type subcontract)
[(#:flat)
(unless (flat-contract? dep-ctc)
(raise-argument-error
'struct/dc
(if struct/c? 'struct/c 'struct/dc)
(format "a flat-contract? for field ~a" (subcontract-field-name subcontract))
dep-ctc))]
[(#:chaperone)
(unless (chaperone-contract? dep-ctc)
(raise-argument-error
'struct/dc
(if struct/c? 'struct/c 'struct/dc)
(format "a chaperone-contract? for field ~a" (subcontract-field-name subcontract))
dep-ctc))]))
@ -726,7 +729,7 @@
(not (mutable? subcontract)))
(unless (chaperone-contract? (indep-ctc subcontract))
(raise-argument-error
'struct/dc
(if struct/c? 'struct/c 'struct/dc)
(format "a chaperone-contract? for field ~a" (subcontract-field-name subcontract))
(indep-ctc subcontract)))))
(define (flat-subcontract? subcontract)