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Make printing of Name types unfold correctly

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This commit is contained in:
Asumu Takikawa 2013-10-21 16:50:52 -04:00
parent 4bc4a74d00
commit 90dccbdffb
1 changed files with 5 additions and 3 deletions
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8
pkgs/typed-racket-pkgs/typed-racket-lib/typed-racket/types/printer.rkt
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@ -12,6 +12,7 @@
"types/match-expanders.rkt"
"types/kw-types.rkt"
"types/utils.rkt"
"types/resolve.rkt"
"utils/utils.rkt"
"utils/tc-utils.rkt"
"env/type-name-env.rkt")
@ -386,8 +387,8 @@
;; if we know how it was written, print that
[(? Rep-stx a) (syntax->datum (Rep-stx a))]
[(Univ:) 'Any]
;; names are just the printed as the original syntax
[(Name: id _ _ _) (syntax-e id)]
;; struct names are just printed as the original syntax
[(Name: id _ _ #t) (syntax-e id)]
;; If a type has a name, then print it with that name.
;; However, we expand the alias in some cases
;; (i.e., the fuel is > 0) for the :type form.
@ -400,7 +401,8 @@
;; if we still have fuel, print the expanded type and
;; add the name to the ignored list so that the union
;; printer does not try to print with the name.
(type->sexp type (append names ignored-names)))]
(type->sexp (if (Name? type) (resolve type) type)
(append names ignored-names)))]
[else
;; to allow :type to cue the user on unexpanded aliases
(when (Union? type) ; only unions can be expanded