Do expansion inside a sandbox.

This commit is contained in:
Vincent St-Amour 2011-07-29 17:48:54 -04:00
parent ea1ae29e0f
commit 7775779e6a

View File

@ -1,9 +1,7 @@
#lang racket/base
(require racket/class racket/gui/base racket/match racket/serialize
unstable/syntax)
(require (prefix-in tr: typed-scheme/typed-reader)
(require racket/class racket/gui/base racket/match racket/port racket/serialize
unstable/syntax unstable/port racket/sandbox
typed-scheme/optimizer/logging)
(provide (struct-out report-entry)
@ -32,27 +30,11 @@
(define portname (send this get-port-name))
(define input (open-input-text-editor this))
(port-count-lines! input)
(define log '())
(define unsaved-file?
(and (symbol? portname)
(regexp-match #rx"^unsaved-editor" (symbol->string portname))))
(define good-portname-cache #f)
(define (right-file? f) ; does the log-entry refer to the file we're in?
(cond [(and good-portname-cache ; cache is populated
(equal? f good-portname-cache))
#t]
;; no cache, ask directly
[(send this port-name-matches? f)
(set! good-portname-cache f) ; populate cache
#t]
[unsaved-file?
;; we assume that any log entry without a filename comes from
;; the unsaved editor
(not f)]
[else ; different file
#f]))
(with-intercepted-tr-logging
(lambda (l)
(define (right-file? l) ; does the log-entry refer to the file we're in?
(define log-entry-data (cdr (vector-ref l 2))) ; log-entry struct
(define stx (log-entry-stx log-entry-data))
(define path
@ -61,13 +43,38 @@
(build-path (deserialize (pseudo-syntax-source-directory stx))
(deserialize (pseudo-syntax-source-file-name stx)))
#f))
(when (right-file? path)
(set! log (cons log-entry-data log))))
(cond [(and good-portname-cache ; cache is populated
(equal? path good-portname-cache))
#t]
;; no cache, ask directly
[(send this port-name-matches? path)
(set! good-portname-cache path) ; populate cache
#t]
[unsaved-file?
;; we assume that any log entry without a filename comes from
;; the unsaved editor
(not path)]
[else ; different file
#f]))
(define sandbox
(parameterize ([sandbox-output 'string]
[sandbox-input input]
[sandbox-make-code-inspector current-code-inspector]
[sandbox-eval-limits #f])
(make-evaluator 'racket/base
'(require (prefix-in tr: typed-scheme/typed-reader)
typed-scheme/optimizer/logging)
`(define portname ,portname))))
(sandbox
'(with-intercepted-tr-logging
write
(lambda ()
(parameterize ([current-namespace (make-base-namespace)]
[read-accept-reader #t])
(expand (tr:read-syntax portname input)))))
log)
(void (expand (tr:read-syntax portname (current-input-port))))))))
(for/list ([x (with-input-from-string (get-output sandbox) read-all)]
#:when (right-file? x))
(cdr (vector-ref x 2)))) ; get the log-entry part
;; converts log-entry structs to report-entry structs for further
;; processing