suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reordering the definitions so that define/contract and its helpers are

Browse Source 
in one section and the same for provide/contract (instead of them being
mixed as before).

svn: r11636
This commit is contained in:
Stevie Strickland 2008-09-10 21:46:13 +00:00
parent 12bcac14d3
commit a7d5a2aaef
1 changed files with 46 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

91
collects/scheme/private/contract.ss
View File

@ -89,6 +89,52 @@ improve method arity mismatch contract violation error messages?
neg-blame-str neg-blame-str
(quote-syntax ident)))]))))) (quote-syntax ident)))])))))
;; (define/contract id contract expr)
;; defines `id' with `contract'; initially binding
;; it to the result of `expr'. These variables may not be set!'d.
(define-syntax (define/contract define-stx)
(syntax-case define-stx ()
[(_ name contract-expr expr)
(identifier? (syntax name))
(with-syntax ([contract-id
(a:mangle-id define-stx
"define/contract-contract-id"
(syntax name))]
[id (a:mangle-id define-stx
"define/contract-id"
(syntax name))])
(syntax/loc define-stx
(begin
(define contract-id contract-expr)
(define-syntax name
(make-define/contract-transformer (quote-syntax contract-id)
(quote-syntax id)))
(define id (let ([name expr]) name)) ;; let for procedure naming
)))]
[(_ name contract-expr expr)
(raise-syntax-error 'define/contract "expected identifier in first position"
define-stx
(syntax name))]))
;
;
;
; ; ; ;
; ; ;
; ; ; ; ;
; ; ;; ; ; ;;; ; ; ; ;; ; ;;; ; ;;; ;;; ; ;; ;;;; ; ; ;;; ;;; ;;;;
; ;; ; ;; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ;; ; ; ;; ; ; ; ; ;
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ; ; ; ; ; ; ; ; ; ;;;;;; ; ; ; ; ; ; ; ; ;;;; ; ;
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ;; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ;; ; ;;; ; ; ;; ; ;;;; ; ;;; ;;; ; ; ;; ; ;;;;; ;;; ;;
; ; ;
; ; ;
; ;
;; id->contract-src-info : identifier -> syntax ;; id->contract-src-info : identifier -> syntax
;; constructs the last argument to the -contract, given an identifier ;; constructs the last argument to the -contract, given an identifier
(define-for-syntax (id->contract-src-info id) (define-for-syntax (id->contract-src-info id)
@ -136,51 +182,6 @@ improve method arity mismatch contract violation error messages?
;; delay expansion until it's a good time to lift expressions: ;; delay expansion until it's a good time to lift expressions:
(quasisyntax/loc stx (#%expression #,stx))))))) (quasisyntax/loc stx (#%expression #,stx)))))))
;; (define/contract id contract expr)
;; defines `id' with `contract'; initially binding
;; it to the result of `expr'. These variables may not be set!'d.
(define-syntax (define/contract define-stx)
(syntax-case define-stx ()
[(_ name contract-expr expr)
(identifier? (syntax name))
(with-syntax ([contract-id
(a:mangle-id define-stx
"define/contract-contract-id"
(syntax name))]
[id (a:mangle-id define-stx
"define/contract-id"
(syntax name))])
(syntax/loc define-stx
(begin
(define contract-id contract-expr)
(define-syntax name
(make-define/contract-transformer (quote-syntax contract-id)
(quote-syntax id)))
(define id (let ([name expr]) name)) ;; let for procedure naming
)))]
[(_ name contract-expr expr)
(raise-syntax-error 'define/contract "expected identifier in first position"
define-stx
(syntax name))]))
;
;
;
; ; ; ;
; ; ;
; ; ; ; ;
; ; ;; ; ; ;;; ; ; ; ;; ; ;;; ; ;;; ;;; ; ;; ;;;; ; ; ;;; ;;; ;;;;
; ;; ; ;; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ;; ; ; ;; ; ; ; ; ;
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ; ; ; ; ; ; ; ; ; ;;;;;; ; ; ; ; ; ; ; ; ;;;; ; ;
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ;; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ;; ; ;;; ; ; ;; ; ;;;; ; ;;; ;;; ; ; ;; ; ;;;;; ;;; ;;
; ; ;
; ; ;
; ;
;; (provide/contract p/c-ele ...) ;; (provide/contract p/c-ele ...)
;; p/c-ele = (id expr) | (rename id id expr) | (struct id (id expr) ...) ;; p/c-ele = (id expr) | (rename id id expr) | (struct id (id expr) ...)