move mzlib/cm and mzlib/cm-accomplice to compiler

svn: r11313

original commit: 2a2977d8043b79fd110bdaa6c7490c51a068fec6
This commit is contained in:
Eli Barzilay 2008-08-19 00:15:00 +00:00
parent e1b0d9810d
commit a4f06c9201
2 changed files with 0 additions and 309 deletions

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@ -1,19 +0,0 @@
(module cm-accomplice mzscheme
(provide register-external-file)
(define (register-external-file f)
(unless (and (path? f)
(complete-path? f))
(raise-type-error 'register-external-file "complete path" f))
(let ([param (lambda () void)])
;; Load the code in a separate thread, so that the dynamic
;; extent of this one (likely a phase-sensitive macro expansion)
;; doesn't pollute the load:
(thread-wait
(thread (lambda ()
(set! param
(dynamic-require 'compiler/private/cm-ctime
'current-external-file-registrar)))))
((param) f))))

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@ -1,290 +0,0 @@
#lang scheme/base
(require syntax/modcode
syntax/modresolve
setup/main-collects
scheme/file
scheme/list)
(provide make-compilation-manager-load/use-compiled-handler
managed-compile-zo
make-caching-managed-compile-zo
trust-existing-zos
manager-compile-notify-handler
(rename-out [trace manager-trace-handler]))
(define manager-compile-notify-handler (make-parameter void))
(define trace (make-parameter void))
(define indent (make-parameter ""))
(define trust-existing-zos (make-parameter #f))
(define (trace-printf fmt . args)
(let ([t (trace)])
(unless (eq? t void)
(t (string-append (indent) (apply format fmt args))))))
(define (get-deps code path)
(filter-map (lambda (x)
(let ([r (resolve-module-path-index x path)])
(and (path? x) (path->bytes x))))
(append-map cdr (module-compiled-imports code))))
(define (get-compilation-dir+name mode path)
(let-values ([(base name must-be-dir?) (split-path path)])
(values (if (eq? 'relative base) mode (build-path base mode))
name)))
(define (get-compilation-path mode path)
(let-values ([(dir name) (get-compilation-dir+name mode path)])
(build-path dir name)))
(define (get-compilation-dir mode path)
(let-values ([(base name-suffix must-be-dir?) (split-path path)])
(if (eq? 'relative base) mode (build-path base mode))))
(define (touch path)
(close-output-port (open-output-file path #:exists 'append)))
(define (try-file-time path)
;; might be better to use a `with-handlers'
(and (file-exists? path) (file-or-directory-modify-seconds path)))
(define (try-delete-file path)
;; Attempt to delete, but give up if it doesn't work:
(with-handlers ([exn:fail:filesystem? void])
(trace-printf "deleting: ~a" path)
(delete-file path)))
(define (compilation-failure mode path zo-name date-path reason)
(try-delete-file zo-name)
(trace-printf "failure"))
;; with-compile-output : path (output-port -> alpha) -> alpha
;; Open path for writing, and arranges to delete path if there's
;; an exception. Breaks are managed so that the port is reliably
;; closed and the file is reliably deleted if there's a break
(define (with-compile-output path proc)
(let ([bp (current-break-parameterization)])
(with-handlers ([void (lambda (exn) (try-delete-file path) (raise exn))])
(let ([out (open-output-file path #:exists 'truncate/replace)])
(dynamic-wind
void
(lambda ()
(call-with-break-parameterization bp (lambda () (proc out))))
(lambda ()
(close-output-port out)))))))
(define (write-deps code mode path external-deps)
(let ([dep-path (path-add-suffix (get-compilation-path mode path) #".dep")]
[deps (remove-duplicates (get-deps code path))]
[external-deps (remove-duplicates external-deps)])
(with-compile-output dep-path
(lambda (op)
(write `(,(version)
,@(map path->main-collects-relative deps)
,@(map (lambda (x)
(cons 'ext (path->main-collects-relative x)))
external-deps))
op)
(newline op)))))
(define (format-time sec)
(let ([d (seconds->date sec)])
(format "~a-~a-~a ~a:~a:~a"
(date-year d) (date-month d) (date-day d)
(date-hour d) (date-minute d) (date-second d))))
(define (verify-times ss-name zo-name)
(define ss-sec (try-file-time ss-name)) ; should exist
(define zo-sec (try-file-time zo-name))
(cond [(not ss-sec) (error 'compile-zo "internal error")]
[(not zo-sec) (error 'compile-zo "failed to create .zo file (~a) for ~a"
zo-name ss-name)]
[(< zo-sec ss-sec) (error 'compile-zo
"date for newly created .zo file (~a @ ~a) ~
is before source-file date (~a @ ~a)~a"
zo-name
(format-time (seconds->date zo-sec))
ss-name
(format-time (seconds->date ss-sec))
(if (> ss-sec (current-seconds))
", which appears to be in the future"
""))]))
(define (compile-zo* mode path read-src-syntax zo-name)
(define param
;; Avoid using cm while loading cm-ctime:
(parameterize ([use-compiled-file-paths null])
(dynamic-require 'compiler/private/cm-ctime
'current-external-file-registrar)))
(define external-deps null)
(define (external-dep! p)
(set! external-deps (cons (path->bytes p) external-deps)))
(define code
(parameterize ([param external-dep!]
[current-reader-guard
(let ([rg (current-reader-guard)])
(lambda (d)
(let ([d (rg d)])
(when (module-path? d)
(let ([p (resolved-module-path-name
(module-path-index-resolve
(module-path-index-join d #f)))])
(when (path? p) (external-dep! p))))
d)))])
(get-module-code path mode compile
(lambda (a b) #f) ; extension handler
#:source-reader read-src-syntax)))
(define code-dir (get-compilation-dir mode path))
(when code
(make-directory* code-dir)
(with-compile-output zo-name
(lambda (out)
(with-handlers ([exn:fail?
(lambda (ex)
(close-output-port out)
(compilation-failure mode path zo-name #f
(exn-message ex))
(raise ex))])
(parameterize ([current-write-relative-directory
(let-values ([(base name dir?) (split-path path)])
(if (eq? base 'relative)
(current-directory)
(path->complete-path base (current-directory))))])
(write code out)))
;; redundant, but close as early as possible:
(close-output-port out)
;; Note that we check time and write .deps before returning from
;; with-compile-output...
(verify-times path zo-name)
(write-deps code mode path external-deps)))))
(define (compile-zo mode path read-src-syntax)
((manager-compile-notify-handler) path)
(trace-printf "compiling: ~a" path)
(parameterize ([indent (string-append " " (indent))])
(let* ([zo-name (path-add-suffix (get-compilation-path mode path) #".zo")]
[zo-exists? (file-exists? zo-name)])
(if (and zo-exists? (trust-existing-zos))
(touch zo-name)
(begin (when zo-exists? (delete-file zo-name))
(with-handlers
([exn:get-module-code?
(lambda (ex)
(compilation-failure mode path zo-name
(exn:get-module-code-path ex)
(exn-message ex))
(raise ex))])
(compile-zo* mode path read-src-syntax zo-name))))))
(trace-printf "end compile: ~a" path))
(define (get-compiled-time mode path)
(define-values (dir name) (get-compilation-dir+name mode path))
(or (try-file-time (build-path dir "native" (system-library-subpath)
(path-add-suffix name (system-type
'so-suffix))))
(try-file-time (build-path dir (path-add-suffix name #".zo")))
-inf.0))
(define (compile-root mode path0 up-to-date read-src-syntax)
(define path (simplify-path (cleanse-path path0)))
(define (read-deps)
(with-handlers ([exn:fail:filesystem? (lambda (ex) (list (version)))])
(call-with-input-file
(path-add-suffix (get-compilation-path mode path) #".dep")
read)))
(define (do-check)
(define path-zo-time (get-compiled-time mode path))
(define path-time (try-file-time path))
(cond
[(not path-time)
(trace-printf "~a does not exist" path)
path-zo-time]
[else
(cond
[(> path-time path-zo-time)
(trace-printf "newer src...")
(compile-zo mode path read-src-syntax)]
[else
(let ([deps (read-deps)])
(cond
[(not (and (pair? deps) (equal? (version) (car deps))))
(trace-printf "newer version...")
(compile-zo mode path read-src-syntax)]
[(ormap
(lambda (p)
;; (cons 'ext rel-path) => a non-module file (check date)
;; rel-path => a module file name (check transitive dates)
(define ext? (and (pair? p) (eq? 'ext (car p))))
(define d (main-collects-relative->path (if ext? (cdr p) p)))
(define t
(cond [(not (path? d)) #f] ;; (can this happen?)
[ext? (try-file-time d)]
[else (compile-root mode d up-to-date
read-src-syntax)]))
(and t (> t path-zo-time)
(begin (trace-printf "newer: ~a (~a > ~a)..."
d t path-zo-time)
#t)))
(cdr deps))
(compile-zo mode path read-src-syntax)]))])
(let ([stamp (get-compiled-time mode path)])
(hash-set! up-to-date path stamp)
stamp)]))
(or (and up-to-date (hash-ref up-to-date path #f))
(begin (trace-printf "checking: ~a" path)
(do-check))))
(define (managed-compile-zo zo [read-src-syntax read-syntax])
((make-caching-managed-compile-zo read-src-syntax) zo))
(define (make-caching-managed-compile-zo [read-src-syntax read-syntax])
(let ([cache (make-hash)])
(lambda (zo)
(parameterize ([current-load/use-compiled
(make-compilation-manager-load/use-compiled-handler/table
cache)])
(compile-root (car (use-compiled-file-paths))
(path->complete-path zo)
cache read-src-syntax)
(void)))))
(define (make-compilation-manager-load/use-compiled-handler)
(make-compilation-manager-load/use-compiled-handler/table (make-hash)))
(define (make-compilation-manager-load/use-compiled-handler/table cache)
(let ([orig-eval (current-eval)]
[orig-load (current-load)]
[orig-registry (namespace-module-registry (current-namespace))]
[default-handler (current-load/use-compiled)]
[modes (use-compiled-file-paths)])
(define (compilation-manager-load-handler path mod-name)
(cond [(not mod-name)
(trace-printf "skipping: ~a mod-name ~s" path mod-name)]
[(not (member (car modes) (use-compiled-file-paths)))
(trace-printf "skipping: ~a compiled-paths ~s"
path (use-compiled-file-paths))]
[(not (eq? compilation-manager-load-handler
(current-load/use-compiled)))
(trace-printf "skipping: ~a current-load/use-compiled changed ~s"
path (current-load/use-compiled))]
[(not (eq? orig-eval (current-eval)))
(trace-printf "skipping: ~a orig-eval ~s current-eval ~s"
path orig-eval (current-eval))]
[(not (eq? orig-load (current-load)))
(trace-printf "skipping: ~a orig-load ~s current-load ~s"
path orig-load (current-load))]
[(not (eq? orig-registry
(namespace-module-registry (current-namespace))))
(trace-printf "skipping: ~a orig-registry ~s current-registry ~s"
path orig-registry
(namespace-module-registry (current-namespace)))]
[else
(trace-printf "processing: ~a" path)
(compile-root (car modes) path cache read-syntax)
(trace-printf "done: ~a" path)])
(default-handler path mod-name))
(when (null? modes)
(raise-mismatch-error 'make-compilation-manager-...
"empty use-compiled-file-paths list: "
modes))
compilation-manager-load-handler))