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Author SHA1 Message Date
Matthew Butterick 90baf7868d shift some stuff 10 years ago

@ -5,3 +5,52 @@
(provide+safe report report/line report/file
report* report*/line report*/file
report-apply repeat time-repeat time-repeat* compare)
(module* reader racket/base
(require syntax/module-reader racket/syntax)
(provide (rename-out [debug-read read]
[debug-read-syntax read-syntax]
[debug-get-info get-info]))
(define (make-debug-readtable [rt (current-readtable)])
(make-readtable rt #\^ 'dispatch-macro report-proc))
(define/with-syntax report (datum->syntax #f 'report))
(define/with-syntax report/line (datum->syntax #f 'report/line))
(define (report-proc c in src ln col pos)
(define c2 (peek-char in))
(cond [(char=? c2 #\^)
(read-char in)
(define stx (read-syntax/recursive src in))
#`(report/line #,stx)]
[else
(define stx (read-syntax/recursive src in))
#`(report #,stx)]))
(define (wrap-reader reader)
(define (rd . args)
(parameterize ([current-readtable (make-debug-readtable (current-readtable))])
(apply reader args)))
rd)
(define-values (debug-read debug-read-syntax debug-get-info)
(make-meta-reader
'sugar/debug
"language path"
(lambda (bstr)
(let* ([str (bytes->string/latin-1 bstr)]
[sym (string->symbol str)])
(and (module-path? sym) (vector `(submod ,sym reader)))))
wrap-reader
wrap-reader
(lambda (proc)
(lambda (key defval)
(define (fallback) (if proc (proc key defval) defval))
(case key
[else (fallback)]))))))

@ -1,28 +0,0 @@
(module reader racket/base
(require syntax/module-reader
(only-in "../../reader.rkt" make-debug-readtable wrap-reader))
(provide (rename-out [debug-read read]
[debug-read-syntax read-syntax]
[debug-get-info get-info]))
(define-values (debug-read debug-read-syntax debug-get-info)
(make-meta-reader
'sugar/debug/lang
"language path"
(lambda (bstr)
(let* ([str (bytes->string/latin-1 bstr)]
[sym (string->symbol str)])
(and (module-path? sym)
(vector
;; try submod first:
`(submod ,sym reader)
;; fall back to /lang/reader:
(string->symbol (string-append str "/lang/reader"))))))
wrap-reader
wrap-reader
(lambda (proc)
(lambda (key defval)
(define (fallback) (if proc (proc key defval) defval))
(case key
[else (fallback)]))))))

@ -1,30 +0,0 @@
#lang racket/base
(provide make-debug-readtable wrap-reader)
(require racket/syntax)
(define (make-debug-readtable [rt (current-readtable)])
(make-readtable rt
#\^ 'dispatch-macro report-proc
))
(define/with-syntax report (datum->syntax #f 'report))
(define/with-syntax report/line (datum->syntax #f 'report/line))
(define (report-proc c in src ln col pos)
(define c2 (peek-char in))
(cond [(char=? c2 #\^)
(read-char in)
(define stx (read-syntax/recursive src in))
#`(report/line #,stx)]
[else
(define stx (read-syntax/recursive src in))
#`(report #,stx)]))
(define (wrap-reader reader)
(define (rd . args)
(parameterize ([current-readtable (make-debug-readtable (current-readtable))])
(apply reader args)))
rd)

@ -1,4 +1,4 @@
#lang sugar/debug/lang racket
#lang sugar/debug racket
(require sugar/debug rackunit)
(let ([out (open-output-string)])
(parameterize ([current-error-port out])

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