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

db4
Doug Coleman 2008-07-25 10:56:14 -05:00
parent f9a8612b56 c6915b1023
commit c89295e520
35 changed files with 460 additions and 113 deletions
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4
core/classes/tuple/tuple.factor
View File

@ -20,6 +20,10 @@ ERROR: not-a-tuple object ;
: all-slots ( class -- slots )
superclasses [ "slots" word-prop ] map concat ;
PREDICATE: immutable-tuple-class < tuple-class ( class -- ? )
#! Delegation
all-slots rest-slice [ read-only>> ] all? ;
<PRIVATE
: tuple-layout ( class -- layout )

8
core/kernel/kernel.factor
View File

@ -165,13 +165,9 @@ GENERIC: boa ( ... class -- tuple )
compose compose ; inline
! Booleans
: not ( obj -- ? )
#! Not inline because its special-cased by compiler.
f eq? ;
: not ( obj -- ? ) f t ? ; inline
: and ( obj1 obj2 -- ? )
#! Not inline because its special-cased by compiler.
over ? ;
: and ( obj1 obj2 -- ? ) over ? ; inline
: >boolean ( obj -- ? ) t f ? ; inline

3
core/math/intervals/intervals.factor
View File

@ -135,6 +135,9 @@ TUPLE: interval { from read-only } { to read-only } ;
]
} cond ;
: intervals-intersect? ( i1 i2 -- ? )
interval-intersect empty-interval eq? not ;
: interval-union ( i1 i2 -- i3 )
{
{ [ dup empty-interval eq? ] [ drop ] }

26
core/slots/slots.factor
View File

@ -8,13 +8,17 @@ IN: slots
TUPLE: slot-spec name offset class initial read-only reader writer ;
PREDICATE: reader < word "reader" word-prop ;
PREDICATE: writer < word "writer" word-prop ;
: <slot-spec> ( -- slot-spec )
slot-spec new
object bootstrap-word >>class ;
: define-typecheck ( class generic quot props -- )
[ dup define-simple-generic create-method ] 2dip
[ [ props>> ] [ drop ] [ [ t ] H{ } map>assoc ] tri* update ]
[ [ props>> ] [ drop ] [ ] tri* update ]
[ drop define ]
3bi ;
@ -31,17 +35,23 @@ TUPLE: slot-spec name offset class initial read-only reader writer ;
] [ ] make ;
: reader-word ( name -- word )
">>" append (( object -- value )) create-accessor ;
">>" append (( object -- value )) create-accessor
dup t "reader" set-word-prop ;
: reader-props ( slot-spec -- seq )
read-only>> { "foldable" "flushable" } { "flushable" } ? ;
: reader-props ( slot-spec -- assoc )
[
[ "reading" set ]
[ read-only>> [ t "foldable" set ] when ] bi
t "flushable" set
] H{ } make-assoc ;
: define-reader ( class slot-spec -- )
[ name>> reader-word ] [ reader-quot ] [ reader-props ] tri
define-typecheck ;
: writer-word ( name -- word )
"(>>" swap ")" 3append (( value object -- )) create-accessor ;
"(>>" swap ")" 3append (( value object -- )) create-accessor
dup t "writer" set-word-prop ;
ERROR: bad-slot-value value class ;
@ -77,8 +87,12 @@ ERROR: bad-slot-value value class ;
} cond
] [ ] make ;
: writer-props ( slot-spec -- assoc )
[ "writing" set ] H{ } make-assoc ;
: define-writer ( class slot-spec -- )
[ name>> writer-word ] [ writer-quot ] bi { } define-typecheck ;
[ name>> writer-word ] [ writer-quot ] [ writer-props ] tri
define-typecheck ;
: setter-word ( name -- word )
">>" prepend (( object value -- object )) create-accessor ;

1
core/words/words.factor
View File

@ -187,6 +187,7 @@ M: word reset-word
"parsing" "inline" "recursive" "foldable" "flushable"
"predicating"
"reading" "writing"
"reader" "writer"
"constructing"
"declared-effect" "constructor-quot" "delimiter"
} reset-props ;

2
extra/24-game/24-game.factor
View File

@ -2,7 +2,7 @@
! 24, the Factor game!
USING: kernel random namespaces shuffle sequences
parser io math prettyprint combinators
parser io math prettyprint combinators continuations
vectors words quotations accessors math.parser
backtrack math.ranges locals fry memoize macros assocs ;

4
extra/io/launcher/launcher.factor
View File

@ -183,7 +183,7 @@ M: object run-pipeline-element
[ |dispose drop ]
[
swap >process
[ swap in>> or ] change-stdout
[ swap in>> or ] change-stdin
run-detached
]
[ in>> dispose ]
@ -200,8 +200,8 @@ M: object run-pipeline-element
[ [ |dispose drop ] bi@ ]
[
rot >process
[ swap out>> or ] change-stdout
[ swap in>> or ] change-stdin
[ swap out>> or ] change-stdout
run-detached
]
[ [ out>> dispose ] [ in>> dispose ] bi* ]

13
extra/io/unix/launcher/launcher-tests.factor
View File

@ -1,7 +1,8 @@
IN: io.unix.launcher.tests
USING: io.files tools.test io.launcher arrays io namespaces
continuations math io.encodings.binary io.encodings.ascii
accessors kernel sequences io.encodings.utf8 destructors ;
accessors kernel sequences io.encodings.utf8 destructors
io.streams.duplex ;
[ ] [
[ "launcher-test-1" temp-file delete-file ] ignore-errors
@ -111,4 +112,12 @@ accessors kernel sequences io.encodings.utf8 destructors ;
"append-test" temp-file utf8 file-contents
] unit-test
[ ] [ "ls" utf8 <process-stream> contents drop ] unit-test
[ t ] [ "ls" utf8 <process-stream> contents >boolean ] unit-test
[ "Hello world.\n" ] [
"cat" utf8 <process-stream> [
"Hello world.\n" write
output-stream get dispose
input-stream get contents
] with-stream
] unit-test

3
extra/shell/shell.factor
View File

@ -50,7 +50,6 @@ DEFER: expansion
METHOD: expand { back-quoted-expr }
expr>>
expr
ast>>
command>>
expansion
utf8 <process-stream>
@ -122,7 +121,7 @@ DEFER: shell
{ [ dup f = ] [ drop ] }
{ [ dup "exit" = ] [ drop ] }
{ [ dup "" = ] [ drop shell ] }
{ [ dup expr ] [ expr ast>> chant shell ] }
{ [ dup expr ] [ expr chant shell ] }
{ [ t ] [ drop "ix: ignoring input" print shell ] }
}
cond ;

4
extra/ui/gadgets/labelled/labelled.factor
View File

@ -12,9 +12,9 @@ TUPLE: labelled-gadget < track content ;
: <labelled-gadget> ( gadget title -- newgadget )
{ 0 1 } labelled-gadget new-track
swap <label> reverse-video-theme f track-add*
swap <label> reverse-video-theme f track-add
swap >>content
dup content>> 1 track-add* ;
dup content>> 1 track-add ;
M: labelled-gadget focusable-child* labelled-gadget-content ;

8
extra/ui/gadgets/labels/labels.factor
View File

@ -65,10 +65,10 @@ M: f >label drop <gadget> ;
: label-on-left ( gadget label -- button )
{ 1 0 } <track>
swap >label f track-add*
swap 1 track-add* ;
swap >label f track-add
swap 1 track-add ;
: label-on-right ( label gadget -- button )
{ 1 0 } <track>
swap f track-add*
swap >label 1 track-add* ;
swap f track-add
swap >label 1 track-add ;

10
extra/ui/gadgets/slots/slots.factor
View File

@ -71,9 +71,9 @@ M: value-ref finish-editing
: <slot-editor> ( ref -- gadget )
{ 0 1 } slot-editor new-track
swap >>ref
dup <toolbar> f track-add*
dup <toolbar> f track-add
<source-editor> >>text
dup text>> <scroller> 1 track-add*
dup text>> <scroller> 1 track-add
dup revert ;
M: slot-editor pref-dim* call-next-method { 600 200 } vmin ;
@ -97,8 +97,8 @@ TUPLE: editable-slot < track printer ref ;
: display-slot ( gadget editable-slot -- )
dup clear-track
swap 1 track-add*
<edit-button> f track-add*
swap 1 track-add
<edit-button> f track-add
drop ;
: update-slot ( editable-slot -- )
@ -109,7 +109,7 @@ TUPLE: editable-slot < track printer ref ;
[ clear-track ]
[
dup ref>> <slot-editor>
[ 1 track-add* drop ]
[ 1 track-add drop ]
[ [ scroll>gadget ] [ request-focus ] bi* ] 2bi
] bi ;

2
extra/ui/gadgets/status-bar/status-bar.factor
View File

@ -12,7 +12,7 @@ IN: ui.gadgets.status-bar
: open-status-window ( gadget title -- )
f <model> [ <world> ] keep
<status-bar> f track-add*
<status-bar> f track-add
open-world-window ;
: show-summary ( object gadget -- )

2
extra/ui/gadgets/tiling/tiling.factor
View File

@ -38,7 +38,7 @@ TUPLE: tiling < track gadgets tiles first focused ;
: tiling-map-gadgets ( tiling -- tiling )
dup clear-track
dup tiling-gadgets-to-map [ 1 track-add* ] each ;
dup tiling-gadgets-to-map [ 1 track-add ] each ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

4
extra/ui/gadgets/tracks/tracks-docs.factor
View File

@ -8,7 +8,7 @@ ARTICLE: "ui-track-layout" "Track layouts"
"Creating empty tracks:"
{ $subsection <track> }
"Adding children:"
{ $subsection track-add* } ;
{ $subsection track-add } ;
HELP: track
{ $class-description "A track is like a " { $link pack } " except each child is resized to a fixed multiple of the track's dimension in the direction of " { $link gadget-orientation } ". Tracks are created by calling " { $link <track> } "." } ;
@ -17,7 +17,7 @@ HELP: <track>
{ $values { "orientation" "an orientation specifier" } { "track" "a new " { $link track } } }
{ $description "Creates a new track which lays out children along the given axis. Children are laid out vertically if the orientation is " { $snippet "{ 0 1 }" } " and horizontally if the orientation is " { $snippet "{ 1 0 }" } "." } ;
HELP: track-add*
HELP: track-add
{ $values { "gadget" gadget } { "track" track } { "constraint" "a number between 0 and 1, or " { $link f } } }
{ $description "Adds a new child to a track. If the constraint is " { $link f } ", the child always occupies its preferred size. Otherwise, the constrant is a fraction of the total size which is allocated for the child." } ;

6
extra/ui/gadgets/tracks/tracks-tests.factor
View File

@ -4,13 +4,13 @@ IN: ui.gadgets.tracks.tests
[ { 100 100 } ] [
{ 0 1 } <track>
<gadget> { 100 100 } >>dim 1 track-add*
<gadget> { 100 100 } >>dim 1 track-add
pref-dim
] unit-test
[ { 100 110 } ] [
{ 0 1 } <track>
<gadget> { 10 10 } >>dim f track-add*
<gadget> { 100 100 } >>dim 1 track-add*
<gadget> { 10 10 } >>dim f track-add
<gadget> { 100 100 } >>dim 1 track-add
pref-dim
] unit-test

2
extra/ui/gadgets/tracks/tracks.factor
View File

@ -50,7 +50,7 @@ M: track pref-dim* ( gadget -- dim )
tri
set-axis ;
: track-add* ( track gadget constraint -- track )
: track-add ( track gadget constraint -- track )
pick sizes>> push add-gadget ;
: track-remove ( track gadget -- track )

2
extra/ui/gadgets/worlds/worlds.factor
View File

@ -40,7 +40,7 @@ M: world request-focus-on ( child gadget -- )
{ 0 0 } >>window-loc
swap >>status
swap >>title
swap 1 track-add*
swap 1 track-add
dup request-focus ;
M: world layout*

4
extra/ui/tools/browser/browser.factor
View File

@ -22,9 +22,9 @@ TUPLE: browser-gadget < track pane history ;
: <browser-gadget> ( -- gadget )
{ 0 1 } browser-gadget new-track
dup init-history
dup <toolbar> f track-add*
dup <toolbar> f track-add
dup <help-pane> >>pane
dup pane>> <scroller> 1 track-add* ;
dup pane>> <scroller> 1 track-add ;
M: browser-gadget call-tool* show-help ;

4
extra/ui/tools/debugger/debugger.factor
View File

@ -25,9 +25,9 @@ TUPLE: debugger < track restarts ;
: <debugger> ( error restarts restart-hook -- gadget )
{ 0 1 } debugger new-track
dup <toolbar> f track-add*
dup <toolbar> f track-add
-rot <restart-list> >>restarts
dup restarts>> rot <debugger-display> <scroller> 1 track-add* ;
dup restarts>> rot <debugger-display> <scroller> 1 track-add ;
M: debugger focusable-child* debugger-restarts ;

4
extra/ui/tools/inspector/inspector.factor
View File

@ -17,9 +17,9 @@ TUPLE: inspector-gadget < track object pane ;
: <inspector-gadget> ( -- gadget )
{ 0 1 } inspector-gadget new-track
dup <toolbar> f track-add*
dup <toolbar> f track-add
<pane> >>pane
dup pane>> <scroller> 1 track-add* ;
dup pane>> <scroller> 1 track-add ;
: inspect-object ( obj mirror keys inspector -- )
2nip swap >>object refresh ;

8
extra/ui/tools/listener/listener.factor
View File

@ -14,7 +14,7 @@ TUPLE: listener-gadget < track input output stack ;
: listener-output, ( listener -- listener )
<scrolling-pane> >>output
dup output>> <scroller> "Output" <labelled-gadget> 1 track-add* ;
dup output>> <scroller> "Output" <labelled-gadget> 1 track-add ;
: listener-streams ( listener -- input output )
[ input>> ] [ output>> <pane-stream> ] bi ;
@ -27,7 +27,7 @@ TUPLE: listener-gadget < track input output stack ;
dup input>>
{ 0 100 } <limited-scroller>
"Input" <labelled-gadget>
f track-add* ;
f track-add ;
: welcome. ( -- )
"If this is your first time with Factor, please read the " print
@ -125,10 +125,10 @@ TUPLE: stack-display < track ;
: <stack-display> ( workspace -- gadget )
listener>>
{ 0 1 } stack-display new-track
over <toolbar> f track-add*
over <toolbar> f track-add
swap
stack>> [ [ stack. ] curry try ] t "Data stack" <labelled-pane>
1 track-add* ;
1 track-add ;
M: stack-display tool-scroller
find-workspace workspace-listener tool-scroller ;

4
extra/ui/tools/profiler/profiler.factor
View File

@ -9,9 +9,9 @@ TUPLE: profiler-gadget < track pane ;
: <profiler-gadget> ( -- gadget )
{ 0 1 } profiler-gadget new-track
dup <toolbar> f track-add*
dup <toolbar> f track-add
<pane> >>pane
dup pane>> <scroller> 1 track-add* ;
dup pane>> <scroller> 1 track-add ;
: with-profiler-pane ( gadget quot -- )
>r profiler-gadget-pane r> with-pane ;

4
extra/ui/tools/search/search.factor
View File

@ -62,9 +62,9 @@ search-field H{
: <live-search> ( string seq limited? presenter -- gadget )
{ 0 1 } live-search new-track
<search-field> >>field
dup field>> f track-add*
dup field>> f track-add
-roll <search-list> >>list
dup list>> <scroller> 1 track-add*
dup list>> <scroller> 1 track-add
swap
over field>> set-editor-string

8
extra/ui/tools/tools.factor
View File

@ -38,10 +38,10 @@ IN: ui.tools
<listener-gadget> >>listener
dup <workspace-book> >>book
dup <workspace-tabs> f track-add*
dup book>> 1/5 track-add*
dup listener>> 4/5 track-add*
dup <toolbar> f track-add* ;
dup <workspace-tabs> f track-add
dup book>> 1/5 track-add
dup listener>> 4/5 track-add
dup <toolbar> f track-add ;
: resize-workspace ( workspace -- )
dup track-sizes over control-value zero? [

10
extra/ui/tools/traceback/traceback.factor
View File

@ -30,13 +30,13 @@ M: traceback-gadget pref-dim* drop { 550 600 } ;
dup model>>
{ 1 0 } <track>
over <datastack-display> 1/2 track-add*
swap <retainstack-display> 1/2 track-add*
1/3 track-add*
over <datastack-display> 1/2 track-add
swap <retainstack-display> 1/2 track-add
1/3 track-add
dup model>> <callstack-display> 2/3 track-add*
dup model>> <callstack-display> 2/3 track-add
dup <toolbar> f track-add* ;
dup <toolbar> f track-add ;
: <namestack-display> ( model -- gadget )
[ [ continuation-name namestack. ] when* ]

6
extra/ui/tools/walker/walker.factor
View File

@ -62,9 +62,9 @@ M: walker-gadget focusable-child*
swap >>status
dup continuation>> <traceback-gadget> >>traceback
dup <toolbar> f track-add*
dup status>> self <thread-status> f track-add*
dup traceback>> 1 track-add* ;
dup <toolbar> f track-add
dup status>> self <thread-status> f track-add
dup traceback>> 1 track-add ;
: walker-help ( -- ) "ui-walker" help-window ;

2
extra/ui/tools/workspace/workspace.factor
View File

@ -62,7 +62,7 @@ M: gadget tool-scroller drop f ;
: show-popup ( gadget workspace -- )
dup hide-popup
over >>popup
over f track-add* drop
over f track-add drop
request-focus ;
: show-titled-popup ( workspace gadget title -- )

6
unfinished/compiler/tree/propagation/constraints/constraints.factor
View File

@ -26,11 +26,9 @@ M: true-constraint assume
[ \ f class-not <class-info> swap value>> refine-value-info ]
bi ;
M: true-constraint satisfied?
value>> value-info class>> \ f class-not class<= ;
M: true-constraint satisfied? value>> \ f class-not value-is? ;
M: true-constraint satisfiable?
value>> value-info class>> \ f class-not classes-intersect? ;
M: true-constraint satisfiable? value>> \ f class-not value-is? ;
TUPLE: false-constraint value ;

133
unfinished/compiler/tree/propagation/info/info.factor
View File

@ -1,8 +1,8 @@
! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: assocs classes classes.algebra kernel accessors math
math.intervals namespaces sequences words combinators arrays
compiler.tree.copy-equiv ;
USING: assocs classes classes.algebra kernel
accessors math math.intervals namespaces sequences words
combinators arrays compiler.tree.copy-equiv ;
IN: compiler.tree.propagation.info
SYMBOL: +interval+
@ -17,12 +17,15 @@ M: complex eql? over complex? [ = ] [ 2drop f ] if ;
! Value info represents a set of objects. Don't mutate value infos
! you receive, always construct new ones. We don't declare the
! slots read-only to allow cloning followed by writing.
! slots read-only to allow cloning followed by writing, and to
! simplify constructors.
TUPLE: value-info
{ class initial: null }
{ interval initial: empty-interval }
class
interval
literal
literal? ;
literal?
length
slots ;
: class-interval ( class -- interval )
dup real class<=
@ -45,36 +48,60 @@ literal? ;
} cond
] if ;
: <value-info> ( class interval literal literal? -- info )
[
2nip
[ class ] [ dup real? [ [a,a] ] [ drop [-inf,inf] ] if ] [ ] tri
t
: <value-info> ( -- info ) \ value-info new ;
: init-value-info ( info -- info )
dup literal?>> [
dup literal>> class >>class
dup literal>> dup real? [ [a,a] ] [ drop [-inf,inf] ] if >>interval
] [
drop
2dup [ null class<= ] [ empty-interval eq? ] bi* or [
2drop null empty-interval f f
dup [ class>> null class<= ] [ interval>> empty-interval eq? ] bi or [
null >>class
empty-interval >>interval
] [
over integer class<= [ integral-closure ] when
2dup interval>literal
[ [-inf,inf] or ] change-interval
dup class>> integer class<= [ [ integral-closure ] change-interval ] when
dup [ class>> ] [ interval>> ] bi interval>literal
[ >>literal ] [ >>literal? ] bi*
] if
] if
\ value-info boa ; foldable
] if ;
: <class/interval-info> ( class interval -- info )
f f <value-info> ; foldable
<value-info>
swap >>interval
swap >>class
init-value-info ; foldable
: <class-info> ( class -- info )
dup word? [ dup +interval+ word-prop ] [ f ] if [-inf,inf] or
<class/interval-info> ; foldable
: <interval-info> ( interval -- info )
real swap <class/interval-info> ; foldable
<value-info>
real >>class
swap >>interval
init-value-info ; foldable
: <literal-info> ( literal -- info )
f f rot t <value-info> ; foldable
<value-info>
swap >>literal
t >>literal?
init-value-info ; foldable
: >literal< ( info -- literal literal? ) [ literal>> ] [ literal?>> ] bi ;
: <sequence-info> ( value -- info )
<value-info>
object >>class
swap value-info >>length
init-value-info ; foldable
: <tuple-info> ( slots class -- info )
<value-info>
swap >>class
swap >>slots
init-value-info ;
: >literal< ( info -- literal literal? )
[ literal>> ] [ literal?>> ] bi ;
: intersect-literals ( info1 info2 -- literal literal? )
{
@ -84,11 +111,30 @@ literal? ;
[ drop >literal< ]
} cond ;
DEFER: value-info-intersect
: intersect-lengths ( info1 info2 -- length )
[ length>> ] bi@ {
{ [ dup not ] [ drop ] }
{ [ over not ] [ nip ] }
[ value-info-intersect ]
} cond ;
: intersect-slots ( info1 info2 -- slots )
[ slots>> ] bi@
2dup [ length ] bi@ =
[ [ value-info-intersect ] 2map ] [ 2drop f ] if ;
: (value-info-intersect) ( info1 info2 -- info )
[ [ class>> ] bi@ class-and ]
[ [ interval>> ] bi@ interval-intersect ]
[ intersect-literals ]
2tri <value-info> ;
[ <value-info> ] 2dip
{
[ [ class>> ] bi@ class-and >>class ]
[ [ interval>> ] bi@ interval-intersect >>interval ]
[ intersect-literals [ >>literal ] [ >>literal? ] bi* ]
[ intersect-lengths >>length ]
[ intersect-slots >>slots ]
} 2cleave
init-value-info ;
: value-info-intersect ( info1 info2 -- info )
{
@ -102,11 +148,30 @@ literal? ;
[ literal>> ] bi@ 2dup eql? [ drop t ] [ 2drop f f ] if
] [ 2drop f f ] if ;
DEFER: value-info-union
: union-lengths ( info1 info2 -- length )
[ length>> ] bi@ {
{ [ dup not ] [ nip ] }
{ [ over not ] [ drop ] }
[ value-info-union ]
} cond ;
: union-slots ( info1 info2 -- slots )
[ slots>> ] bi@
2dup [ length ] bi@ =
[ [ value-info-union ] 2map ] [ 2drop f ] if ;
: (value-info-union) ( info1 info2 -- info )
[ [ class>> ] bi@ class-or ]
[ [ interval>> ] bi@ interval-union ]
[ union-literals ]
2tri <value-info> ;
[ <value-info> ] 2dip
{
[ [ class>> ] bi@ class-or >>class ]
[ [ interval>> ] bi@ interval-union >>interval ]
[ union-literals [ >>literal ] [ >>literal? ] bi* ]
[ union-lengths >>length ]
[ union-slots >>slots ]
} 2cleave
init-value-info ;
: value-info-union ( info1 info2 -- info )
{
@ -122,7 +187,8 @@ literal? ;
SYMBOL: value-infos
: value-info ( value -- info )
resolve-copy value-infos get at T{ value-info } or ;
resolve-copy value-infos get at
T{ value-info f null empty-interval } or ;
: set-value-info ( info value -- )
resolve-copy value-infos get set-at ;
@ -144,3 +210,6 @@ SYMBOL: value-infos
[ { t f } ]
} cond nip
] if ;
: value-is? ( value class -- ? )
[ value-info class>> ] dip class<= ;

21
unfinished/compiler/tree/propagation/known-words/known-words.factor
View File

@ -185,6 +185,27 @@ generic-comparison-ops [
'[ , fold-comparison ] +outputs+ set-word-prop
] each
: maybe-or-never ( ? -- info )
[ object <class-info> ] [ \ f <class-info> ] if ;
: info-intervals-intersect? ( info1 info2 -- ? )
[ interval>> ] bi@ intervals-intersect? ;
{ number= bignum= float= } [
[
info-intervals-intersect? maybe-or-never
] +outputs+ set-word-prop
] each
: info-classes-intersect? ( info1 info2 -- ? )
[ class>> ] bi@ classes-intersect? ;
\ eq? [
[ info-intervals-intersect? ]
[ info-classes-intersect? ]
bi or maybe-or-never
] +outputs+ set-word-prop
{
{ >fixnum fixnum }
{ >bignum bignum }

102
unfinished/compiler/tree/propagation/propagation-tests.factor
View File

@ -2,7 +2,9 @@ USING: kernel compiler.tree.builder compiler.tree
compiler.tree.propagation compiler.tree.copy-equiv
compiler.tree.def-use tools.test math math.order
accessors sequences arrays kernel.private vectors
alien.accessors alien.c-types sequences.private ;
alien.accessors alien.c-types sequences.private
byte-arrays classes.algebra math.functions math.private
strings ;
IN: compiler.tree.propagation.tests
\ propagate must-infer
@ -232,3 +234,101 @@ IN: compiler.tree.propagation.tests
[ V{ 2 } ] [
[ [ 1 ] [ 1 ] if 1 + ] final-literals
] unit-test
[ V{ string string } ] [
[
2dup [ dup string? [ "Oops" throw ] unless ] bi@ 2drop
] final-classes
] unit-test
! Array length propagation
[ V{ t } ] [ [ 10 f <array> length 10 = ] final-literals ] unit-test
[ V{ t } ] [ [ [ 10 f <array> ] [ 10 <byte-array> ] if length 10 = ] final-literals ] unit-test
[ V{ t } ] [ [ [ 1 f <array> ] [ 2 f <array> ] if length 3 < ] final-literals ] unit-test
! Slot propagation
TUPLE: prop-test-tuple { x integer } ;
[ V{ integer } ] [ [ { prop-test-tuple } declare x>> ] final-classes ] unit-test
TUPLE: another-prop-test-tuple { x ratio initial: 1/2 } ;
UNION: prop-test-union prop-test-tuple another-prop-test-tuple ;
[ t ] [
[ { prop-test-union } declare x>> ] final-classes first
rational class=
] unit-test
TUPLE: fold-boa-test-tuple { x read-only } { y read-only } { z read-only } ;
[ V{ T{ fold-boa-test-tuple f 1 2 3 } } ]
[ [ 1 2 3 fold-boa-test-tuple boa ] final-literals ]
unit-test
TUPLE: immutable-prop-test-tuple { x sequence read-only } ;
[ V{ T{ immutable-prop-test-tuple f "hey" } } ] [
[ "hey" immutable-prop-test-tuple boa ] final-literals
] unit-test
[ V{ { 1 2 } } ] [
[ { 1 2 } immutable-prop-test-tuple boa x>> ] final-literals
] unit-test
[ V{ array } ] [
[ { array } declare immutable-prop-test-tuple boa x>> ] final-classes
] unit-test
[ V{ complex } ] [
[ <complex> ] final-classes
] unit-test
[ V{ complex } ] [
[ { float float } declare dup 0.0 <= [ "Oops" throw ] [ rect> ] if ] final-classes
] unit-test
[ V{ float float } ] [
[
{ float float } declare
dup 0.0 <= [ "Oops" throw ] when rect>
[ real>> ] [ imaginary>> ] bi
] final-classes
] unit-test
[ V{ complex } ] [
[
{ float float object } declare
[ "Oops" throw ] [ <complex> ] if
] final-classes
] unit-test
[ V{ number } ] [ [ [ "Oops" throw ] [ 2 + ] if ] final-classes ] unit-test
[ V{ number } ] [ [ [ 2 + ] [ "Oops" throw ] if ] final-classes ] unit-test
[ V{ POSTPONE: f } ] [
[ dup 1.0 <= [ drop f ] [ 0 number= ] if ] final-classes
] unit-test
! Don't fold this
TUPLE: mutable-tuple-test { x sequence } ;
[ V{ sequence } ] [
[ "hey" mutable-tuple-test boa x>> ] final-classes
] unit-test
[ V{ sequence } ] [
[ T{ mutable-tuple-test f "hey" } x>> ] final-classes
] unit-test
! Mixed mutable and immutable slots
TUPLE: mixed-mutable-immutable { x integer } { y sequence read-only } ;
[ V{ integer array } ] [
[
3 { 2 1 } mixed-mutable-immutable boa
[ x>> ] [ y>> ] bi
] final-classes
] unit-test

36
unfinished/compiler/tree/propagation/simple/simple.factor
View File

@ -1,11 +1,14 @@
! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: fry accessors kernel sequences assocs words namespaces
classes.algebra combinators classes continuations
USING: fry accessors kernel sequences sequences.private assocs
words namespaces classes.algebra combinators classes
classes.tuple classes.tuple.private continuations arrays
byte-arrays strings math math.private slots
compiler.tree
compiler.tree.def-use
compiler.tree.propagation.info
compiler.tree.propagation.nodes
compiler.tree.propagation.slots
compiler.tree.propagation.constraints ;
IN: compiler.tree.propagation.simple
@ -52,6 +55,17 @@ M: #declare propagate-before
[ word>> +outputs+ word-prop ]
bi with-datastack ;
: foldable-word? ( #call -- ? )
dup word>> "foldable" word-prop [
drop t
] [
dup word>> \ <tuple-boa> eq? [
in-d>> peek value-info literal>> immutable-tuple-class?
] [
drop f
] if
] if ;
: foldable-call? ( #call -- ? )
dup word>> "foldable" word-prop [
in-d>> [ value-info literal?>> ] all?
@ -75,6 +89,10 @@ M: #declare propagate-before
: output-value-infos ( node -- infos )
{
{ [ dup foldable-call? ] [ fold-call ] }
{ [ dup tuple-constructor? ] [ propagate-tuple-constructor ] }
{ [ dup word>> reader? ] [ reader-word-outputs ] }
{ [ dup sequence-constructor? ] [ propagate-sequence-constructor ] }
{ [ dup length-accessor? ] [ propagate-length ] }
{ [ dup word>> +outputs+ word-prop ] [ call-outputs-quot ] }
[ default-output-value-infos ]
} cond ;
@ -86,12 +104,16 @@ M: #call propagate-before
M: node propagate-before drop ;
: propagate-input-classes ( node -- )
[ word>> "input-classes" word-prop class-infos ] [ in-d>> ] bi
refine-value-infos ;
M: #call propagate-after
dup word>> "input-classes" word-prop dup [
class-infos swap in-d>> refine-value-infos
] [
2drop
] if ;
{
{ [ dup reader? ] [ reader-word-inputs ] }
{ [ dup word>> "input-classes" word-prop ] [ propagate-input-classes ] }
[ drop ]
} cond ;
M: node propagate-after drop ;

111
unfinished/compiler/tree/propagation/slots/slots.factor Normal file
View File

@ -0,0 +1,111 @@
! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: fry assocs arrays byte-arrays strings accessors sequences
kernel slots classes.algebra classes.tuple classes.tuple.private
words math math.private combinators sequences.private namespaces
compiler.tree.propagation.info ;
IN: compiler.tree.propagation.slots
! Propagation of immutable slots and array lengths
! Revisit this code when delegation is removed and when complex
! numbers become tuples.
UNION: fixed-length-sequence array byte-array string ;
: sequence-constructor? ( node -- ? )
word>> { <array> <byte-array> <string> } memq? ;
: constructor-output-class ( word -- class )
{
{ <array> array }
{ <byte-array> byte-array }
{ <string> string }
} at ;
: propagate-sequence-constructor ( node -- infos )
[ word>> constructor-output-class <class-info> ]
[ in-d>> first <sequence-info> ]
bi value-info-intersect 1array ;
: length-accessor? ( node -- ? )
dup in-d>> first fixed-length-sequence value-is?
[ word>> \ length eq? ] [ drop f ] if ;
: propagate-length ( node -- infos )
in-d>> first value-info length>>
[ array-capacity <class-info> ] unless* 1array ;
: tuple-constructor? ( node -- ? )
word>> { <tuple-boa> <complex> } memq? ;
: propagate-<tuple-boa> ( node -- info )
#! Delegation
in-d>> [ value-info ] map unclip-last
literal>> class>> dup immutable-tuple-class? [
over [ literal?>> ] all?
[ [ , f , [ literal>> ] map % ] { } make >tuple <literal-info> ]
[ <tuple-info> ]
if
] [ nip <class-info> ] if ;
: propagate-<complex> ( node -- info )
in-d>> [ value-info ] map complex <tuple-info> ;
: propagate-tuple-constructor ( node -- infos )
dup word>> {
{ \ <tuple-boa> [ propagate-<tuple-boa> ] }
{ \ <complex> [ propagate-<complex> ] }
} case 1array ;
: relevant-methods ( node -- methods )
[ word>> "methods" word-prop ]
[ in-d>> first value-info class>> ] bi
'[ drop , classes-intersect? ] assoc-filter ;
: relevant-slots ( node -- slots )
relevant-methods [ nip "reading" word-prop ] { } assoc>map ;
: no-reader-methods ( input slots -- info )
2drop null <class-info> ;
: same-offset ( slots -- slot/f )
dup [ dup [ read-only>> ] when ] all? [
[ offset>> ] map dup all-equal? [ first ] [ drop f ] if
] [ drop f ] if ;
: (reader-word-outputs) ( reader -- info )
null
[ [ class>> ] [ object ] if* class-or ] reduce
<class-info> ;
: value-info-slot ( slot info -- info' )
#! Delegation.
[ class>> complex class<= 1 3 ? - ] keep
dup literal?>> [
literal>> {
{ [ dup tuple? ] [
tuple-slots 1 tail-slice nth <literal-info>
] }
{ [ dup complex? ] [
[ real-part ] [ imaginary-part ] bi
2array nth <literal-info>
] }
} cond
] [ slots>> ?nth ] if ;
: reader-word-outputs ( node -- infos )
[ relevant-slots ] [ in-d>> first ] bi
over empty? [ no-reader-methods ] [
over same-offset dup
[ swap value-info value-info-slot ] [ 2drop f ] if
[ ] [ (reader-word-outputs) ] ?if
] if 1array ;
: reader-word-inputs ( node -- )
[ in-d>> first ] [
relevant-slots keys
object [ class>> [ class-and ] when* ] reduce
<class-info>
] bi
refine-value-info ;

6
unfinished/stack-checker/branches/branches.factor
View File

@ -7,7 +7,7 @@ stack-checker.backend stack-checker.errors stack-checker.visitor
IN: stack-checker.branches
: balanced? ( seq -- ? )
[ first2 length - ] map all-equal? ;
[ second ] filter [ first2 length - ] map all-equal? ;
: phi-inputs ( seq -- newseq )
dup empty? [
@ -16,7 +16,7 @@ IN: stack-checker.branches
] unless ;
: unify-values ( values -- phi-out )
dup [ known ] map dup all-eq?
dup sift [ known ] map dup all-eq?
[ nip first make-known ] [ 2drop <value> ] if ;
: phi-outputs ( phi-in -- stack )
@ -25,7 +25,7 @@ IN: stack-checker.branches
SYMBOL: quotations
: unify-branches ( ins stacks -- in phi-in phi-out )
zip [ second ] filter dup empty? [ drop 0 { } { } ] [
zip dup empty? [ drop 0 { } { } ] [
dup balanced?
[ [ keys supremum ] [ values phi-inputs dup phi-outputs ] bi ]
[ quotations get unbalanced-branches-error ]