factor/basis/vocabs/refresh/monitor/monitor.factor

64 lines
1.9 KiB
Factor

! Copyright (C) 2008, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs command-line concurrency.messaging
continuations init io.backend io.files io.monitors io.pathnames
kernel libc namespaces sequences sets splitting threads fry
tr vocabs vocabs.loader vocabs.refresh vocabs.cache
io.files.links ;
IN: vocabs.refresh.monitor
TR: convert-separators "/\\" ".." ;
: vocab-dir>vocab-name ( path -- vocab )
trim-head-separators
trim-tail-separators
convert-separators ;
: path>vocab-name ( path -- vocab )
dup ".factor" tail? [ parent-directory ] when ;
: chop-vocab-root ( path -- path' )
"resource:" prepend-path normalize-path
dup vocab-roots get
[ [ normalize-path ] map ]
[ [ resolve-symlinks ] map ] bi append
[ head? ] with find nip
?head drop ;
: path>vocab ( path -- vocab )
chop-vocab-root path>vocab-name vocab-dir>vocab-name ;
: monitor-loop ( monitor -- )
#! On OS X, monitors give us the full path, so we chop it
#! off if its there.
[
next-change path>> path>vocab
[ changed-vocab ] [ reset-cache ] bi
]
[ monitor-loop ]
bi ;
: (start-vocab-monitor) ( vocab-root -- )
dup exists?
[ [ t <monitor> monitor-loop ] with-monitors ] [ drop ] if ;
: start-vocab-monitor ( vocab-root -- )
[ '[ [ _ (start-vocab-monitor) ] ignore-errors ] ]
[ "Root monitor: " prepend ]
bi spawn drop ;
: init-vocab-monitor ( -- )
H{ } clone changed-vocabs set-global
loaded-vocab-names [ changed-vocab ] each ;
[
"-no-monitors" (command-line) member? [
[ drop ] add-vocab-root-hook set-global
f changed-vocabs set-global
] [
init-vocab-monitor
vocab-roots get [ start-vocab-monitor ] each
[ start-vocab-monitor ] add-vocab-root-hook set-global
] if
] "vocabs.refresh.monitor" add-startup-hook