factor/basis/tools/vocabs/monitor/monitor.factor

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Factor

! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: threads io.files io.pathnames io.monitors init kernel
vocabs vocabs.loader tools.vocabs namespaces continuations
sequences splitting assocs command-line concurrency.messaging
io.backend sets tr accessors ;
IN: tools.vocabs.monitor
TR: convert-separators "/\\" ".." ;
: vocab-dir>vocab-name ( path -- vocab )
trim-left-separators
trim-right-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
[ head? ] with find nip
?head drop ;
: path>vocab ( path -- vocab )
chop-vocab-root path>vocab-name vocab-dir>vocab-name ;
: monitor-loop ( -- )
#! On OS X, monitors give us the full path, so we chop it
#! off if its there.
receive path>> path>vocab changed-vocab
reset-cache
monitor-loop ;
: add-monitor-for-path ( path -- )
dup exists? [ t my-mailbox (monitor) ] when drop ;
: monitor-thread ( -- )
[
[
vocab-roots get prune [ add-monitor-for-path ] each
H{ } clone changed-vocabs set-global
vocabs [ changed-vocab ] each
monitor-loop
] with-monitors
] ignore-errors ;
: start-monitor-thread ( -- )
#! Silently ignore errors during monitor creation since
#! monitors are not supported on all platforms.
[ monitor-thread ] "Vocabulary monitor" spawn drop ;
[
"-no-monitors" (command-line) member?
[ start-monitor-thread ] unless
] "tools.vocabs.monitor" add-init-hook