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Merge branch 'master' into dcn

db4
Slava Pestov 2009-07-22 02:07:08 -05:00
parent b39b0dd393 c105b033ef
commit 55111bdc24
4 changed files with 175 additions and 6 deletions
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140
basis/compiler/cfg/dataflow-analysis/dataflow-analysis.factor Normal file
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@ -0,0 +1,140 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs deques dlists kernel locals sequences lexer
namespaces functors compiler.cfg.rpo compiler.cfg.utilities
compiler.cfg ;
IN: compiler.cfg.dataflow-analysis
GENERIC: join-sets ( sets dfa -- set )
GENERIC: transfer-set ( in-set bb dfa -- out-set )
GENERIC: block-order ( cfg dfa -- bbs )
GENERIC: successors ( bb dfa -- seq )
GENERIC: predecessors ( bb dfa -- seq )
<PRIVATE
MIXIN: dataflow-analysis
: <dfa-worklist> ( cfg dfa -- queue )
block-order <hashed-dlist> [ push-all-front ] keep ;
GENERIC# compute-in-set 2 ( bb out-sets dfa -- set )
M: kill-block compute-in-set 3drop f ;
M:: basic-block compute-in-set ( bb out-sets dfa -- set )
bb dfa predecessors [ out-sets at ] map dfa join-sets ;
:: update-in-set ( bb in-sets out-sets dfa -- ? )
bb out-sets dfa compute-in-set
bb in-sets maybe-set-at ; inline
GENERIC# compute-out-set 2 ( bb out-sets dfa -- set )
M: kill-block compute-out-set 3drop f ;
M:: basic-block compute-out-set ( bb in-sets dfa -- set )
bb in-sets at bb dfa transfer-set ;
:: update-out-set ( bb in-sets out-sets dfa -- ? )
bb in-sets dfa compute-out-set
bb out-sets maybe-set-at ; inline
:: dfa-step ( bb in-sets out-sets dfa work-list -- )
bb in-sets out-sets dfa update-in-set [
bb in-sets out-sets dfa update-out-set [
bb dfa successors work-list push-all-front
] when
] when ; inline
:: run-dataflow-analysis ( cfg dfa -- in-sets out-sets )
H{ } clone :> in-sets
H{ } clone :> out-sets
cfg dfa <dfa-worklist> :> work-list
work-list [ in-sets out-sets dfa work-list dfa-step ] slurp-deque
in-sets
out-sets ; inline
M: dataflow-analysis join-sets drop assoc-refine ;
FUNCTOR: define-analysis ( name -- )
name-analysis DEFINES-CLASS ${name}-analysis
name-ins DEFINES ${name}-ins
name-outs DEFINES ${name}-outs
name-in DEFINES ${name}-in
name-out DEFINES ${name}-out
WHERE
SINGLETON: name-analysis
SYMBOL: name-ins
: name-in ( bb -- set ) name-ins get at ;
SYMBOL: name-outs
: name-out ( bb -- set ) name-outs get at ;
;FUNCTOR
! ! ! Forward dataflow analysis
MIXIN: forward-analysis
INSTANCE: forward-analysis dataflow-analysis
M: forward-analysis block-order drop reverse-post-order ;
M: forward-analysis successors drop successors>> ;
M: forward-analysis predecessors drop predecessors>> ;
FUNCTOR: define-forward-analysis ( name -- )
name-analysis IS ${name}-analysis
name-ins IS ${name}-ins
name-outs IS ${name}-outs
compute-name-sets DEFINES compute-${name}-sets
WHERE
INSTANCE: name-analysis forward-analysis
: compute-name-sets ( cfg -- )
name-analysis run-dataflow-analysis
[ name-ins set ] [ name-outs set ] bi* ;
;FUNCTOR
! ! ! Backward dataflow analysis
MIXIN: backward-analysis
INSTANCE: backward-analysis dataflow-analysis
M: backward-analysis block-order drop post-order ;
M: backward-analysis successors drop predecessors>> ;
M: backward-analysis predecessors drop successors>> ;
FUNCTOR: define-backward-analysis ( name -- )
name-analysis IS ${name}-analysis
name-ins IS ${name}-ins
name-outs IS ${name}-outs
compute-name-sets DEFINES compute-${name}-sets
WHERE
INSTANCE: name-analysis backward-analysis
: compute-name-sets ( cfg -- )
\ name-analysis run-dataflow-analysis
[ name-outs set ] [ name-ins set ] bi* ;
;FUNCTOR
PRIVATE>
SYNTAX: FORWARD-ANALYSIS:
scan [ define-analysis ] [ define-forward-analysis ] bi ;
SYNTAX: BACKWARD-ANALYSIS:
scan [ define-analysis ] [ define-backward-analysis ] bi ;

22
basis/functors/functors.factor
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@ -1,11 +1,11 @@
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays classes.mixin classes.parser
classes.tuple classes.tuple.parser combinators effects
effects.parser fry generic generic.parser generic.standard
interpolate io.streams.string kernel lexer locals.parser
locals.rewrite.closures locals.types make namespaces parser
quotations sequences vocabs.parser words words.symbol ;
USING: accessors arrays classes.mixin classes.parser classes.singleton
classes.tuple classes.tuple.parser combinators effects effects.parser
fry generic generic.parser generic.standard interpolate
io.streams.string kernel lexer locals.parser locals.rewrite.closures
locals.types make namespaces parser quotations sequences vocabs.parser
words words.symbol ;
IN: functors
! This is a hack
@ -71,6 +71,14 @@ SYNTAX: `TUPLE:
} case
\ define-tuple-class parsed ;
SYNTAX: `SINGLETON:
scan-param parsed
\ define-singleton-class parsed ;
SYNTAX: `MIXIN:
scan-param parsed
\ define-mixin-class parsed ;
SYNTAX: `M:
scan-param parsed
scan-param parsed
@ -134,6 +142,8 @@ DEFER: ;FUNCTOR delimiter
: functor-words ( -- assoc )
H{
{ "TUPLE:" POSTPONE: `TUPLE: }
{ "SINGLETON:" POSTPONE: `SINGLETON: }
{ "MIXIN:" POSTPONE: `MIXIN: }
{ "M:" POSTPONE: `M: }
{ "C:" POSTPONE: `C: }
{ ":" POSTPONE: `: }

16
core/assocs/assocs-tests.factor
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@ -134,3 +134,19 @@ unit-test
[ f ] [ 1 2 H{ { 2 1 } } maybe-set-at ] unit-test
[ t ] [ 1 3 H{ { 2 1 } } clone maybe-set-at ] unit-test
[ t ] [ 3 2 H{ { 2 1 } } clone maybe-set-at ] unit-test
[ H{ { 1 2 } { 2 3 } } ] [
{
H{ { 1 3 } }
H{ { 2 3 } }
H{ { 1 2 } }
} assoc-combine
] unit-test
[ H{ { 1 7 } } ] [
{
H{ { 1 2 } { 2 4 } { 5 6 } }
H{ { 1 3 } { 2 5 } }
H{ { 1 7 } { 5 6 } }
} assoc-refine
] unit-test

3
core/assocs/assocs.factor
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@ -129,6 +129,9 @@ M: assoc assoc-clone-like ( assoc exemplar -- newassoc )
: assoc-combine ( seq -- union )
H{ } clone [ dupd update ] reduce ;
: assoc-refine ( seq -- assoc )
[ f ] [ [ ] [ assoc-intersect ] map-reduce ] if-empty ;
: assoc-diff ( assoc1 assoc2 -- diff )
[ nip key? not ] curry assoc-filter ;