#:export (syntax-error
*current-language*
compiled-file-name compile-file compile-and-load
+ load-ensuring-compiled
compile
decompile)
#:export-syntax (call-with-compile-error-catch))
x
(lookup-language x)))
+(define (ensure-directory dir)
+ (or (file-exists? dir)
+ (begin
+ (ensure-directory (dirname dir))
+ (mkdir dir))))
+
(define* (compile-file file #:key
(output-file #f)
(env #f)
(opts '()))
(let ((comp (or output-file (compiled-file-name file)))
(in (open-input-file file)))
+ (ensure-directory (dirname comp))
(call-with-output-file/atomic comp
(lambda (port)
((language-printer (ensure-language to))
(read-and-compile (open-input-file file)
#:from from #:to to #:opts opts))
-(define (compiled-file-name file)
+(define* (load-ensuring-compiled source #:key (from 'scheme)
+ (to 'value) (opts '()))
+ (let ((compiled (compiled-file-name source #:readable #t)))
+ (load-compiled
+ (if (and compiled
+ (>= (stat:mtime (stat compiled)) (stat:mtime (stat source))))
+ compiled
+ (let ((to-compile (compiled-file-name source #:writable #t)))
+ (if compiled
+ (warn "source file" source "newer than" compiled))
+ (if (and compiled
+ (not (string-equal? compiled to-compile))
+ (file-exists? to-compile)
+ (>= (stat:mtime (stat to-compile))
+ (stat:mtime (stat compiled))))
+ (warn "using local compiled copy" to-compile)
+ (begin
+ (format (current-error-port) ";;; Compiling ~s\n" source)
+ (compile-file source #:output-file to-compile)
+ (format (current-error-port) ";;; Success: ~s\n" to-compile)))
+ to-compile)))))
+
+(define (ensure-fallback-path)
+ (let ((home (or (getenv "HOME")
+ (false-if-exception
+ (passwd:dir (getpwuid (getuid)))))))
+ (and home
+ (let ((cache (in-vicinity home ".guile-ccache")))
+ (cond
+ ((and (access? cache (logior W_OK X_OK))
+ (file-is-directory? cache))
+ cache)
+ ((not (file-exists? cache))
+ (and (false-if-exception (mkdir cache))
+ cache))
+ (else #f))))))
+
+(define load-compiled-path
+ (let ((fallback-path #f))
+ (lambda ()
+ (if (not fallback-path)
+ (let ((cache-path (ensure-fallback-path)))
+ (set! fallback-path
+ (if cache-path
+ (list cache-path)
+ '()))))
+ (append %load-path fallback-path))))
+
+(define* (compiled-file-name file #:key (writable #f) (readable #f))
(let ((base (basename file))
(cext (cond ((or (null? %load-compiled-extensions)
(string-null? (car %load-compiled-extensions)))
%load-compiled-extensions)
".go")
(else (car %load-compiled-extensions)))))
- (let lp ((exts %load-extensions))
- (cond ((null? exts) (string-append file cext))
- ((string-null? (car exts)) (lp (cdr exts)))
- ((string-suffix? (car exts) base)
- (string-append
- (dirname file) "/"
- (substring base 0
- (- (string-length base) (string-length (car exts))))
- cext))
- (else (lp (cdr exts)))))))
+ (define (strip-source-extension base)
+ (let lp ((exts %load-extensions))
+ (cond ((null? exts) (string-append file cext))
+ ((string-null? (car exts)) (lp (cdr exts)))
+ ((string-suffix? (car exts) base)
+ (substring source 0
+ (- (string-length source)
+ (string-length (car exts)))))
+ (else (lp (cdr exts))))))
+ (define (strip-path file paths)
+ (let lp ((paths paths))
+ (cond ((null? paths) file)
+ ((string-prefix? (car paths) file)
+ (substring file (1+ (string-length (car paths)))))
+ (else (lp (cdr paths))))))
+ (let ((sibling (string-append (strip-source-extension file) cext)))
+ (cond
+ (writable
+ ;; either put it right beside the original file, or in our
+ ;; ccache. other things wind up not making sense.
+ (cond
+ ((or (not (file-exists? sibling)) (access? sibling W_OK))
+ sibling)
+ ((ensure-fallback-path)
+ => (lambda (p)
+ (string-append p "/" (strip-path sibling))))
+ (else #f)))
+ (readable
+ (if (access? sibling R_OK)
+ sibling
+ (search-path (load-compiled-path)
+ (strip-path (strip-source-extension file))
+ %load-compiled-extensions #t)))
+ (else
+ sibling)))))
+
\f
;;;