suzanne.soy/racket
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Handle 0 and 1 cases better.

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Use sync to avoid sleeping.

svn: r9407
This commit is contained in:
Sam Tobin-Hochstadt 2008-04-22 22:05:33 +00:00
parent 2ecee0968c
commit 3d020b33fd
1 changed files with 13 additions and 9 deletions
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16
collects/typed-scheme/private/tc-utils.ss
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@ -1,6 +1,6 @@
#lang scheme/base
(provide (all-defined-out))
(require "syntax-traversal.ss" (for-syntax scheme/base))
(require "syntax-traversal.ss" (for-syntax scheme/base) scheme/match)
;; a parameter representing the original location of the syntax being currently checked
(define current-orig-stx (make-parameter #'here))
@ -43,13 +43,17 @@
(define-struct err (msg stx) #:prefab)
(define (report-all-errors)
(define stxs
(match (reverse delayed-errors)
[(list) (void)]
[(list (struct err (msg stx)))
(raise-typecheck-error msg stx)]
[l
(let ([stxs
(for/list ([e (reverse delayed-errors)])
(thread (lambda () (raise-typecheck-error (err-msg e) (err-stx e))))
(sleep .01)
(err-stx e)))
(sync (thread (lambda () (raise-typecheck-error (err-msg e) (err-stx e)))))
(err-stx e))])
(unless (null? stxs)
(raise-typecheck-error "Errors encountered" (apply append stxs))))
(raise-typecheck-error "Errors encountered" (apply append stxs))))]))
(define (tc-error/delayed msg #:stx [stx (current-orig-stx)] . rest)
(set! delayed-errors (cons (make-err (apply format msg rest) (list (locate-stx stx))) delayed-errors)))