Merge branch 'master' of git://factorcode.org/git/factor

db4
Joe Groff 2009-08-25 11:40:26 -05:00
commit a4aa0dddbe
25 changed files with 178 additions and 80 deletions

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@ -4,7 +4,7 @@ USING: functors destructors accessors kernel parser words
effects generalizations sequences ; effects generalizations sequences ;
IN: alien.destructors IN: alien.destructors
SLOT: alien TUPLE: alien-destructor alien ;
FUNCTOR: define-destructor ( F -- ) FUNCTOR: define-destructor ( F -- )
@ -16,12 +16,12 @@ N [ F stack-effect out>> length ]
WHERE WHERE
TUPLE: F-destructor < disposable alien ; TUPLE: F-destructor < alien-destructor ;
: <F-destructor> ( alien -- destructor ) : <F-destructor> ( alien -- destructor )
F-destructor new-disposable swap >>alien ; inline F-destructor boa ; inline
M: F-destructor dispose* alien>> F N ndrop ; M: F-destructor dispose alien>> F N ndrop ;
: &F ( alien -- alien ) dup <F-destructor> &dispose drop ; inline : &F ( alien -- alien ) dup <F-destructor> &dispose drop ; inline

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@ -19,13 +19,13 @@ C: <openssl-checksum> openssl-checksum
<PRIVATE <PRIVATE
TUPLE: evp-md-context handle ; TUPLE: evp-md-context < disposable handle ;
: <evp-md-context> ( -- ctx ) : <evp-md-context> ( -- ctx )
"EVP_MD_CTX" <c-object> evp-md-context new-disposable
dup EVP_MD_CTX_init evp-md-context boa ; "EVP_MD_CTX" <c-object> dup EVP_MD_CTX_init >>handle ;
M: evp-md-context dispose M: evp-md-context dispose*
handle>> EVP_MD_CTX_cleanup drop ; handle>> EVP_MD_CTX_cleanup drop ;
: with-evp-md-context ( quot -- ) : with-evp-md-context ( quot -- )

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@ -249,7 +249,8 @@ C: <vocab-author> vocab-author
} cleave ; } cleave ;
: keyed-vocabs ( str quot -- seq ) : keyed-vocabs ( str quot -- seq )
[ all-vocabs ] 2dip '[ [ _ swap @ member? ] filter ] assoc-map ; inline [ all-vocabs-recursive ] 2dip
'[ [ _ swap @ member? ] filter no-prefixes ] assoc-map ; inline
: tagged ( tag -- assoc ) : tagged ( tag -- assoc )
[ vocab-tags ] keyed-vocabs ; [ vocab-tags ] keyed-vocabs ;

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@ -18,7 +18,7 @@ TUPLE: epoll-mx < mx events ;
max-events epoll_create dup io-error >>fd max-events epoll_create dup io-error >>fd
max-events "epoll-event" <struct-array> >>events ; max-events "epoll-event" <struct-array> >>events ;
M: epoll-mx dispose fd>> close-file ; M: epoll-mx dispose* fd>> close-file ;
: make-event ( fd events -- event ) : make-event ( fd events -- event )
"epoll-event" <c-object> "epoll-event" <c-object>

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@ -17,7 +17,7 @@ TUPLE: kqueue-mx < mx events ;
kqueue dup io-error >>fd kqueue dup io-error >>fd
max-events "kevent" <struct-array> >>events ; max-events "kevent" <struct-array> >>events ;
M: kqueue-mx dispose fd>> close-file ; M: kqueue-mx dispose* fd>> close-file ;
: make-kevent ( fd filter flags -- event ) : make-kevent ( fd filter flags -- event )
"kevent" <c-object> "kevent" <c-object>

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@ -1,12 +1,12 @@
! Copyright (C) 2008 Slava Pestov. ! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license. ! See http://factorcode.org/license.txt for BSD license.
USING: kernel accessors assocs sequences threads ; USING: kernel accessors assocs sequences threads destructors ;
IN: io.backend.unix.multiplexers IN: io.backend.unix.multiplexers
TUPLE: mx fd reads writes ; TUPLE: mx < disposable fd reads writes ;
: new-mx ( class -- obj ) : new-mx ( class -- obj )
new new-disposable
H{ } clone >>reads H{ } clone >>reads
H{ } clone >>writes ; inline H{ } clone >>writes ; inline

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@ -17,7 +17,6 @@ M:: macosx (monitor) ( path recursive? mailbox -- monitor )
path 1array 0 0 <event-stream> >>handle path 1array 0 0 <event-stream> >>handle
] ; ] ;
M: macosx-monitor dispose M: macosx-monitor dispose* handle>> dispose ;
handle>> dispose ;
macosx set-io-backend macosx set-io-backend

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@ -22,8 +22,6 @@ M: object dispose-monitors ;
TUPLE: monitor < disposable path queue timeout ; TUPLE: monitor < disposable path queue timeout ;
M: monitor hashcode* path>> hashcode* ;
M: monitor timeout timeout>> ; M: monitor timeout timeout>> ;
M: monitor set-timeout (>>timeout) ; M: monitor set-timeout (>>timeout) ;

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@ -5,7 +5,7 @@ IN: io.streams.duplex.tests
! Test duplex stream close behavior ! Test duplex stream close behavior
TUPLE: closing-stream < disposable ; TUPLE: closing-stream < disposable ;
: <closing-stream> ( -- stream ) closing-stream new ; : <closing-stream> ( -- stream ) closing-stream new-disposable ;
M: closing-stream dispose* drop ; M: closing-stream dispose* drop ;

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@ -4,8 +4,8 @@ destructors kernel ;
100 malloc "block" set 100 malloc "block" set
[ t ] [ "block" get mallocs key? ] unit-test [ t ] [ "block" get malloc-exists? ] unit-test
[ ] [ [ "block" get &free drop ] with-destructors ] unit-test [ ] [ [ "block" get &free drop ] with-destructors ] unit-test
[ f ] [ "block" get mallocs key? ] unit-test [ f ] [ "block" get malloc-exists? ] unit-test

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@ -3,7 +3,7 @@
! Copyright (C) 2007, 2008 Doug Coleman ! Copyright (C) 2007, 2008 Doug Coleman
! See http://factorcode.org/license.txt for BSD license. ! See http://factorcode.org/license.txt for BSD license.
USING: alien assocs continuations alien.destructors kernel USING: alien assocs continuations alien.destructors kernel
namespaces accessors sets summary ; namespaces accessors sets summary destructors destructors.private ;
IN: libc IN: libc
: errno ( -- int ) : errno ( -- int )
@ -26,8 +26,16 @@ IN: libc
: (realloc) ( alien size -- newalien ) : (realloc) ( alien size -- newalien )
"void*" "libc" "realloc" { "void*" "ulong" } alien-invoke ; "void*" "libc" "realloc" { "void*" "ulong" } alien-invoke ;
: mallocs ( -- assoc ) ! We stick malloc-ptr instances in the global disposables set
\ mallocs [ H{ } clone ] initialize-alien ; TUPLE: malloc-ptr value continuation ;
M: malloc-ptr hashcode* value>> hashcode* ;
M: malloc-ptr equal?
over malloc-ptr? [ [ value>> ] bi@ = ] [ 2drop f ] if ;
: <malloc-ptr> ( value -- malloc-ptr )
malloc-ptr new swap >>value ;
PRIVATE> PRIVATE>
@ -39,11 +47,6 @@ M: bad-ptr summary
: check-ptr ( c-ptr -- c-ptr ) : check-ptr ( c-ptr -- c-ptr )
[ bad-ptr ] unless* ; [ bad-ptr ] unless* ;
ERROR: double-free ;
M: double-free summary
drop "Free failed since memory is not allocated" ;
ERROR: realloc-error ptr size ; ERROR: realloc-error ptr size ;
M: realloc-error summary M: realloc-error summary
@ -52,16 +55,13 @@ M: realloc-error summary
<PRIVATE <PRIVATE
: add-malloc ( alien -- alien ) : add-malloc ( alien -- alien )
dup mallocs conjoin ; dup <malloc-ptr> register-disposable ;
: delete-malloc ( alien -- ) : delete-malloc ( alien -- )
[ [ <malloc-ptr> unregister-disposable ] when* ;
mallocs delete-at*
[ drop ] [ double-free ] if
] when* ;
: malloc-exists? ( alien -- ? ) : malloc-exists? ( alien -- ? )
mallocs key? ; <malloc-ptr> disposables get key? ;
PRIVATE> PRIVATE>

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@ -163,6 +163,7 @@ SYMBOL: interactive-vocabs
"syntax" "syntax"
"tools.annotations" "tools.annotations"
"tools.crossref" "tools.crossref"
"tools.destructors"
"tools.disassembler" "tools.disassembler"
"tools.errors" "tools.errors"
"tools.memory" "tools.memory"

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@ -284,8 +284,6 @@ IN: tools.deploy.shaker
"io-thread" "io.thread" lookup , "io-thread" "io.thread" lookup ,
"mallocs" "libc.private" lookup ,
"disposables" "destructors" lookup , "disposables" "destructors" lookup ,
deploy-threads? [ deploy-threads? [

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@ -1,6 +1,6 @@
! Copyright (C) 2009 Slava Pestov. ! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license. ! See http://factorcode.org/license.txt for BSD license.
USING: help.markup help.syntax quotations ; USING: help.markup help.syntax help.tips quotations destructors ;
IN: tools.destructors IN: tools.destructors
HELP: disposables. HELP: disposables.
@ -10,10 +10,13 @@ HELP: leaks
{ $values { $values
{ "quot" quotation } { "quot" quotation }
} }
{ $description "Runs a quotation, printing any increases in the number of disposable objects after the quotation returns." } ; { $description "Runs a quotation, printing any increases in the number of disposable objects after the quotation returns. The " { $link debug-leaks? } " variable is also switched on while the quotation runs, recording the current continuation in every newly-created disposable object." } ;
TIP: "Use the " { $link leaks } " combinator to track down resource leaks." ;
ARTICLE: "tools.destructors" "Destructor tools" ARTICLE: "tools.destructors" "Destructor tools"
"The " { $vocab-link "tools.destructors" } " vocabulary provides words for tracking down resource leaks." "The " { $vocab-link "tools.destructors" } " vocabulary provides words for tracking down resource leaks."
{ $subsection debug-leaks? }
{ $subsection disposables. } { $subsection disposables. }
{ $subsection leaks } { $subsection leaks }
{ $see-also "destructors" } ; { $see-also "destructors" } ;

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@ -0,0 +1,13 @@
USING: kernel tools.destructors tools.test destructors namespaces ;
IN: tools.destructors.tests
f debug-leaks? set-global
[ [ 3 throw ] leaks ] must-fail
[ f ] [ debug-leaks? get-global ] unit-test
[ ] [ [ ] leaks ] unit-test
[ f ] [ debug-leaks? get-global ] unit-test

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@ -1,31 +1,51 @@
! Copyright (C) 2009 Slava Pestov. ! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license. ! See http://factorcode.org/license.txt for BSD license.
USING: assocs classes destructors fry kernel math namespaces USING: assocs classes destructors fry kernel math namespaces
prettyprint sequences sets sorting ; prettyprint sequences sets sorting continuations accessors arrays
io io.styles combinators.smart ;
IN: tools.destructors IN: tools.destructors
<PRIVATE <PRIVATE
: disposable-tally ( -- assoc ) : class-tally ( assoc -- assoc' )
disposables get H{ } clone [ [ keys ] dip '[ dup class _ push-at ] each ] keep ;
H{ } clone [ [ keys ] dip '[ class _ inc-at ] each ] keep ;
: subtract-values ( assoc1 assoc2 -- assoc )
[ [ keys ] bi@ append prune ] 2keep
H{ } clone [
'[
[ _ _ [ at 0 or ] bi-curry@ bi - ] keep _ set-at
] each
] keep ;
: (disposables.) ( assoc -- ) : (disposables.) ( assoc -- )
>alist sort-keys simple-table. ; class-tally >alist [ first2 [ length ] keep 3array ] map [ second ] sort-with
standard-table-style [
[
[ "Disposable class" write ] with-cell
[ "Instances" write ] with-cell
[ ] with-cell
] with-row
[
[
[
[ pprint-cell ]
[ pprint-cell ]
[ [ "[ List instances ]" swap write-object ] with-cell ]
tri*
] input<sequence
] with-row
] each
] tabular-output nl ;
: sort-disposables ( seq -- seq' )
[ disposable? ] partition [ [ id>> ] sort-with ] dip append ;
PRIVATE> PRIVATE>
: disposables. ( -- ) : disposables. ( -- )
disposable-tally (disposables.) ; disposables get (disposables.) ;
: disposables-of-class. ( class -- )
[ disposables get values sort-disposables ] dip
'[ _ instance? ] filter stack. ;
: leaks ( quot -- ) : leaks ( quot -- )
disposable-tally [ call disposable-tally ] dip subtract-values disposables get clone
(disposables.) ; inline t debug-leaks? set-global
[
[ call disposables get clone ] dip
] [ f debug-leaks? set-global ] [ ] cleanup
assoc-diff (disposables.) ; inline

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@ -46,13 +46,15 @@ HOOK: (pixel-format-attribute) ui-backend ( pixel-format attribute-name -- value
ERROR: invalid-pixel-format-attributes world attributes ; ERROR: invalid-pixel-format-attributes world attributes ;
TUPLE: pixel-format world handle ; TUPLE: pixel-format < disposable world handle ;
: <pixel-format> ( world attributes -- pixel-format ) : <pixel-format> ( world attributes -- pixel-format )
2dup (make-pixel-format) 2dup (make-pixel-format)
[ nip pixel-format boa ] [ invalid-pixel-format-attributes ] if* ; [ pixel-format new-disposable swap >>handle swap >>world ]
[ invalid-pixel-format-attributes ]
?if ;
M: pixel-format dispose M: pixel-format dispose*
[ (free-pixel-format) ] [ f >>handle drop ] bi ; [ (free-pixel-format) ] [ f >>handle drop ] bi ;
: pixel-format-attribute ( pixel-format attribute-name -- value ) : pixel-format-attribute ( pixel-format attribute-name -- value )

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@ -1,15 +1,16 @@
! Copyright (C) 2006, 2009 Slava Pestov. ! Copyright (C) 2006, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license. ! See http://factorcode.org/license.txt for BSD license.
USING: continuations definitions generic help.topics threads USING: continuations definitions generic help.topics threads
stack-checker summary io.pathnames io.styles kernel namespaces parser stack-checker summary io.pathnames io.styles kernel namespaces
prettyprint quotations tools.crossref tools.annotations editors parser prettyprint quotations tools.crossref tools.annotations
tools.profiler tools.test tools.time tools.walker vocabs vocabs.loader editors tools.profiler tools.test tools.time tools.walker vocabs
words sequences classes compiler.errors compiler.units vocabs.loader words sequences classes compiler.errors
accessors vocabs.parser macros.expander ui ui.tools.browser compiler.units accessors vocabs.parser macros.expander ui
ui.tools.listener ui.tools.listener.completion ui.tools.profiler ui.tools.browser ui.tools.listener ui.tools.listener.completion
ui.tools.inspector ui.tools.traceback ui.commands ui.gadgets.editors ui.tools.profiler ui.tools.inspector ui.tools.traceback
ui.gestures ui.operations ui.tools.deploy models help.tips ui.commands ui.gadgets.editors ui.gestures ui.operations
source-files.errors ; ui.tools.deploy models help.tips source-files.errors destructors
libc libc.private ;
IN: ui.tools.operations IN: ui.tools.operations
! Objects ! Objects
@ -182,6 +183,22 @@ M: word com-stack-effect 1quotation com-stack-effect ;
{ +listener+ t } { +listener+ t }
} define-operation } define-operation
! Disposables
[ disposable? ] \ dispose H{ } define-operation
! Disposables with a continuation
PREDICATE: tracked-disposable < disposable
continuation>> >boolean ;
PREDICATE: tracked-malloc-ptr < malloc-ptr
continuation>> >boolean ;
: com-creation-traceback ( disposable -- )
continuation>> traceback-window ;
[ tracked-disposable? ] \ com-creation-traceback H{ { +primary+ t } } define-operation
[ tracked-malloc-ptr? ] \ com-creation-traceback H{ { +primary+ t } } define-operation
! Operations -> commands ! Operations -> commands
interactor interactor
"quotation" "quotation"

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@ -153,7 +153,7 @@ PRIVATE>
[ +live-wrappers+ get adjoin ] bi ; [ +live-wrappers+ get adjoin ] bi ;
: <com-wrapper> ( implementations -- wrapper ) : <com-wrapper> ( implementations -- wrapper )
com-wrapper new-disposable swap (make-callbacks) >>vtbls com-wrapper new-disposable swap (make-callbacks) >>callbacks
dup allocate-wrapper ; dup allocate-wrapper ;
M: com-wrapper dispose* M: com-wrapper dispose*

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@ -1,7 +1,24 @@
USING: help.markup help.syntax libc kernel continuations io USING: help.markup help.syntax libc kernel continuations io
sequences ; sequences classes ;
IN: destructors IN: destructors
HELP: debug-leaks?
{ $var-description "When this variable is on, " { $link new-disposable } " stores the current continuation in the " { $link disposable } "'s " { $slot "continuation" } " slot." }
{ $see-also "tools.destructors" } ;
HELP: disposable
{ $class-description "Parent class for disposable resources. This class has three slots:"
{ $list
{ { $slot "disposed" } " - boolean. Set to true by " { $link dispose } ". Assert that it is false with " { $link check-disposed } "." }
{ { $slot "id" } " - unique identifier. Set by " { $link new-disposable } "." }
{ { $slot "continuation" } " - current continuation at construction time, for debugging. Set by " { $link new-disposable } " if " { $link debug-leaks? } " is on." }
}
"New instances must be constructed with " { $link new-disposable } " and subclasses must implement " { $link dispose* } "." } ;
HELP: new-disposable
{ $values { "class" class } { "disposable" disposable } }
{ $description "Constructs a new instance of a subclass of " { $link disposable } ". This sets the " { $slot "id" } " slot, registers the new object with the global " { $link disposables } " set, and if " { $link debug-leaks? } " is on, stores the current continuation in the " { $slot "continuation" } " slot." } ;
HELP: dispose HELP: dispose
{ $values { "disposable" "a disposable object" } } { $values { "disposable" "a disposable object" } }
{ $contract "Releases operating system resources associated with a disposable object. Disposable objects include streams, memory mapped files, and so on." { $contract "Releases operating system resources associated with a disposable object. Disposable objects include streams, memory mapped files, and so on."
@ -52,7 +69,8 @@ HELP: dispose-each
{ $description "Attempts to dispose of each element of a sequence and collects all of the errors into a sequence. If any errors are thrown during disposal, the last error is rethrown after all objects have been disposed." } ; { $description "Attempts to dispose of each element of a sequence and collects all of the errors into a sequence. If any errors are thrown during disposal, the last error is rethrown after all objects have been disposed." } ;
HELP: disposables HELP: disposables
{ $var-description "Global variable holding all disposable objects which have not been disposed of yet. The " { $link new-disposable } " word adds objects here, and the " { $link dispose } " method on disposables removes them. The " { $link "tools.destructors" } " vocabulary provides some words for working with this data." } ; { $var-description "Global variable holding all disposable objects which have not been disposed of yet. The " { $link new-disposable } " word adds objects here, and the " { $link dispose } " method on disposables removes them. The " { $link "tools.destructors" } " vocabulary provides some words for working with this data." }
{ $see-also "tools.destructors" } ;
ARTICLE: "destructors-anti-patterns" "Resource disposal anti-patterns" ARTICLE: "destructors-anti-patterns" "Resource disposal anti-patterns"
"Words which create objects corresponding to external resources should always be used with " { $link with-disposal } ". The following code is wrong:" "Words which create objects corresponding to external resources should always be used with " { $link with-disposal } ". The following code is wrong:"

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@ -1,5 +1,5 @@
USING: destructors kernel tools.test continuations accessors USING: destructors kernel tools.test continuations accessors
namespaces sequences ; namespaces sequences destructors.private ;
IN: destructors.tests IN: destructors.tests
TUPLE: dispose-error ; TUPLE: dispose-error ;
@ -66,3 +66,12 @@ M: dummy-destructor dispose ( obj -- )
] ignore-errors destroyed?>> ] ignore-errors destroyed?>>
] unit-test ] unit-test
TUPLE: silly-disposable < disposable ;
M: silly-disposable dispose* drop ;
silly-disposable new-disposable "s" set
"s" get dispose
[ "s" get unregister-disposable ]
[ disposable>> silly-disposable? ]
must-fail-with

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@ -1,24 +1,34 @@
! Copyright (C) 2007, 2009 Doug Coleman, Slava Pestov. ! Copyright (C) 2007, 2009 Doug Coleman, Slava Pestov.
! See http://factorcode.org/license.txt for BSD license. ! See http://factorcode.org/license.txt for BSD license.
USING: accessors continuations kernel namespaces make USING: accessors continuations kernel namespaces make
sequences vectors sets assocs init ; sequences vectors sets assocs init math ;
IN: destructors IN: destructors
SYMBOL: disposables SYMBOL: disposables
[ H{ } clone disposables set-global ] "destructors" add-init-hook [ H{ } clone disposables set-global ] "destructors" add-init-hook
ERROR: already-unregistered disposable ;
SYMBOL: debug-leaks?
<PRIVATE <PRIVATE
SLOT: continuation
: register-disposable ( obj -- ) : register-disposable ( obj -- )
debug-leaks? get-global [ continuation >>continuation ] when
disposables get conjoin ; disposables get conjoin ;
: unregister-disposable ( obj -- ) : unregister-disposable ( obj -- )
disposables get delete-at ; disposables get 2dup key? [ delete-at ] [ drop already-unregistered ] if ;
PRIVATE> PRIVATE>
TUPLE: disposable < identity-tuple disposed id ; TUPLE: disposable < identity-tuple
{ id integer }
{ disposed boolean }
continuation ;
M: disposable hashcode* nip id>> ; M: disposable hashcode* nip id>> ;
@ -39,7 +49,11 @@ M: object dispose
dup disposed>> [ drop ] [ t >>disposed dispose* ] if ; dup disposed>> [ drop ] [ t >>disposed dispose* ] if ;
M: disposable dispose M: disposable dispose
[ unregister-disposable ] [ call-next-method ] bi ; dup disposed>> [ drop ] [
[ unregister-disposable ]
[ call-next-method ]
bi
] if ;
: dispose-each ( seq -- ) : dispose-each ( seq -- )
[ [

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@ -152,4 +152,10 @@ USE: debugger.threads
"non-byte-array-error" unique-file binary [ "non-byte-array-error" unique-file binary [
"" write "" write
] with-file-writer ] with-file-writer
] [ no-method? ] must-fail-with ] [ no-method? ] must-fail-with
! What happens if we close a file twice?
[ ] [
"closing-twice" unique-file ascii <file-writer>
[ dispose ] [ dispose ] bi
] unit-test

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@ -93,7 +93,7 @@ ALIAS: marshall-void* marshall-pointer
: primitive-marshaller ( type -- quot/f ) : primitive-marshaller ( type -- quot/f )
{ {
{ "bool" [ [ marshall-bool ] ] } { "bool" [ [ ] ] }
{ "boolean" [ [ marshall-bool ] ] } { "boolean" [ [ marshall-bool ] ] }
{ "char" [ [ marshall-primitive ] ] } { "char" [ [ marshall-primitive ] ] }
{ "uchar" [ [ marshall-primitive ] ] } { "uchar" [ [ marshall-primitive ] ] }
@ -179,7 +179,7 @@ ALIAS: marshall-void* marshall-pointer
: primitive-unmarshaller ( type -- quot/f ) : primitive-unmarshaller ( type -- quot/f )
{ {
{ "bool" [ [ unmarshall-bool ] ] } { "bool" [ [ ] ] }
{ "boolean" [ [ unmarshall-bool ] ] } { "boolean" [ [ unmarshall-bool ] ] }
{ "char" [ [ ] ] } { "char" [ [ ] ] }
{ "uchar" [ [ ] ] } { "uchar" [ [ ] ] }

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@ -9,8 +9,7 @@ C-LIBRARY: test
C-INCLUDE: <stdlib.h> C-INCLUDE: <stdlib.h>
C-INCLUDE: <string.h> C-INCLUDE: <string.h>
C-INCLUDE: <stdbool.h>
C-TYPEDEF: char bool
CM-FUNCTION: void outarg1 ( int* a ) CM-FUNCTION: void outarg1 ( int* a )
*a += 2; *a += 2;