+(define-public (lilypond-all files)
+ (let* ((failed '())
+ (handler (lambda (key failed-file)
+ (set! failed (append (list failed-file) failed)))))
+ ;;(handler (lambda (key . arg) (set! failed (append arg failed)))))
+ (for-each (lambda (x) (lilypond-file handler x)) files)
+ failed))
+
+(define (lilypond-file handler file-name)
+ (catch 'ly-file-failed
+ (lambda () (ly:parse-file file-name))
+ (lambda (x . args) (handler x file-name)))
+
+ (if #f
+ (dump-gc-protects)))
+
+(use-modules (scm editor))
+
+(define (running-from-gui?)
+ (let ((have-tty? (isatty? (current-input-port))))
+ ;; If no TTY and not using safe, assume running from GUI.
+ (cond
+ ((eq? PLATFORM 'windows)
+ ;; This only works for i586-mingw32msvc-gcc -mwindows
+ (not (string-match "standard input"
+ (format #f "~S" (current-input-port)))))
+ ((eq? PLATFORM 'darwin) #f)
+ (else
+ (not have-tty?)))))
+
+(define-public (gui-main files)
+ (if (null? files) (gui-no-files-handler))
+ (let* ((base (basename (car files) ".ly"))
+ (log-name (string-append base ".log")))
+ (if (not (running-from-gui?))
+ (ly:message (_ "Redirecting output to ~a...") log-name))
+ (ly:stderr-redirect log-name "w")
+ (ly:message "# -*-compilation-*-")
+ (let ((failed (lilypond-all files)))
+ (if (pair? failed)
+ (begin
+ ;; ugh
+ (ly:stderr-redirect "foo" "r")
+ (system (get-editor-command log-name 0 0))
+ (ly:error (_ "failed files: ~S") (string-join failed))
+ ;; not reached?
+ (exit 1))
+ (exit 0)))))
+
+(define (gui-no-files-handler)
+ (let* ((ly (string-append (ly:effective-prefix) "/ly/"))
+ ;; FIXME: soft-code, localize
+ (welcome-ly (string-append ly "Welcome_to_LilyPond.ly"))
+ (cmd (get-editor-command welcome-ly 0 0)))
+ (ly:message (_ "Invoking `~a'...") cmd)
+ (system cmd)
+ (exit 1)))
+
+(or (not (running-from-gui?))
+ (ly:get-option 'safe)
+ (define lilypond-main gui-main))