Fix locals conflict
Slava Pestov
commit
f6d45158bb
basis/locals
definitions
errors
fry
macros
parser
prettyprint
rewrite
types
|
|
@ -0,0 +1,57 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors definitions effects generic kernel locals
|
||||
macros memoize prettyprint prettyprint.backend words ;
|
||||
IN: locals.definitions
|
||||
|
||||
PREDICATE: lambda-word < word "lambda" word-prop >boolean ;
|
||||
|
||||
M: lambda-word definer drop \ :: \ ; ;
|
||||
|
||||
M: lambda-word definition
|
||||
"lambda" word-prop body>> ;
|
||||
|
||||
M: lambda-word reset-word
|
||||
[ call-next-method ] [ f "lambda" set-word-prop ] bi ;
|
||||
|
||||
INTERSECTION: lambda-macro macro lambda-word ;
|
||||
|
||||
M: lambda-macro definer drop \ MACRO:: \ ; ;
|
||||
|
||||
M: lambda-macro definition
|
||||
"lambda" word-prop body>> ;
|
||||
|
||||
M: lambda-macro reset-word
|
||||
[ call-next-method ] [ f "lambda" set-word-prop ] bi ;
|
||||
|
||||
INTERSECTION: lambda-method method-body lambda-word ;
|
||||
|
||||
M: lambda-method definer drop \ M:: \ ; ;
|
||||
|
||||
M: lambda-method definition
|
||||
"lambda" word-prop body>> ;
|
||||
|
||||
M: lambda-method reset-word
|
||||
[ call-next-method ] [ f "lambda" set-word-prop ] bi ;
|
||||
|
||||
INTERSECTION: lambda-memoized memoized lambda-word ;
|
||||
|
||||
M: lambda-memoized definer drop \ MEMO:: \ ; ;
|
||||
|
||||
M: lambda-memoized definition
|
||||
"lambda" word-prop body>> ;
|
||||
|
||||
M: lambda-memoized reset-word
|
||||
[ call-next-method ] [ f "lambda" set-word-prop ] bi ;
|
||||
|
||||
: method-stack-effect ( method -- effect )
|
||||
dup "lambda" word-prop vars>>
|
||||
swap "method-generic" word-prop stack-effect
|
||||
dup [ out>> ] when
|
||||
<effect> ;
|
||||
|
||||
M: lambda-method synopsis*
|
||||
dup dup dup definer.
|
||||
"method-class" word-prop pprint-word
|
||||
"method-generic" word-prop pprint-word
|
||||
method-stack-effect effect>string comment. ;
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: kernel summary ;
|
||||
IN: locals.errors
|
||||
|
||||
ERROR: >r/r>-in-lambda-error ;
|
||||
|
||||
M: >r/r>-in-lambda-error summary
|
||||
drop
|
||||
"Explicit retain stack manipulation is not permitted in lambda bodies" ;
|
||||
|
||||
ERROR: binding-form-in-literal-error ;
|
||||
|
||||
M: binding-form-in-literal-error summary
|
||||
drop "[let, [let* and [wlet not permitted inside literals" ;
|
||||
|
||||
ERROR: local-writer-in-literal-error ;
|
||||
|
||||
M: local-writer-in-literal-error summary
|
||||
drop "Local writer words not permitted inside literals" ;
|
||||
|
||||
ERROR: local-word-in-literal-error ;
|
||||
|
||||
M: local-word-in-literal-error summary
|
||||
drop "Local words not permitted inside literals" ;
|
||||
|
||||
ERROR: bad-lambda-rewrite output ;
|
||||
|
||||
M: bad-lambda-rewrite summary
|
||||
drop "You have found a bug in locals. Please report." ;
|
||||
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors fry fry.private generalizations kernel
|
||||
locals.types make sequences ;
|
||||
IN: locals.fry
|
||||
|
||||
! Support for mixing locals with fry
|
||||
|
||||
M: binding-form count-inputs body>> count-inputs ;
|
||||
|
||||
M: lambda count-inputs body>> count-inputs ;
|
||||
|
||||
M: lambda deep-fry
|
||||
clone [ shallow-fry swap ] change-body
|
||||
[ [ vars>> length ] keep '[ _ _ mnswap @ ] , ] [ drop [ncurry] % ] 2bi ;
|
||||
|
||||
M: binding-form deep-fry
|
||||
clone [ fry '[ @ call ] ] change-body , ;
|
||||
|
|
@ -1,397 +1,10 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: kernel namespaces make sequences sequences.private assocs
|
||||
math vectors strings classes.tuple generalizations parser words
|
||||
quotations macros arrays macros splitting combinators
|
||||
prettyprint.backend prettyprint.custom definitions prettyprint
|
||||
hashtables prettyprint.sections sets sequences.private effects
|
||||
effects.parser generic generic.parser compiler.units accessors
|
||||
locals.backend memoize macros.expander lexer classes summary fry
|
||||
fry.private ;
|
||||
USING: lexer locals.parser locals.types macros memoize parser
|
||||
sequences vocabs vocabs.loader words kernel ;
|
||||
IN: locals
|
||||
|
||||
ERROR: >r/r>-in-lambda-error ;
|
||||
|
||||
M: >r/r>-in-lambda-error summary
|
||||
drop
|
||||
"Explicit retain stack manipulation is not permitted in lambda bodies" ;
|
||||
|
||||
ERROR: binding-form-in-literal-error ;
|
||||
|
||||
M: binding-form-in-literal-error summary
|
||||
drop "[let, [let* and [wlet not permitted inside literals" ;
|
||||
|
||||
ERROR: local-writer-in-literal-error ;
|
||||
|
||||
M: local-writer-in-literal-error summary
|
||||
drop "Local writer words not permitted inside literals" ;
|
||||
|
||||
ERROR: local-word-in-literal-error ;
|
||||
|
||||
M: local-word-in-literal-error summary
|
||||
drop "Local words not permitted inside literals" ;
|
||||
|
||||
ERROR: bad-lambda-rewrite output ;
|
||||
|
||||
M: bad-lambda-rewrite summary
|
||||
drop "You have found a bug in locals. Please report." ;
|
||||
|
||||
<PRIVATE
|
||||
|
||||
TUPLE: lambda vars body ;
|
||||
|
||||
C: <lambda> lambda
|
||||
|
||||
TUPLE: binding-form bindings body ;
|
||||
|
||||
TUPLE: let < binding-form ;
|
||||
|
||||
C: <let> let
|
||||
|
||||
TUPLE: let* < binding-form ;
|
||||
|
||||
C: <let*> let*
|
||||
|
||||
TUPLE: wlet < binding-form ;
|
||||
|
||||
C: <wlet> wlet
|
||||
|
||||
M: lambda expand-macros clone [ expand-macros ] change-body ;
|
||||
|
||||
M: lambda expand-macros* expand-macros literal ;
|
||||
|
||||
M: binding-form expand-macros
|
||||
clone
|
||||
[ [ expand-macros ] assoc-map ] change-bindings
|
||||
[ expand-macros ] change-body ;
|
||||
|
||||
M: binding-form expand-macros* expand-macros literal ;
|
||||
|
||||
PREDICATE: local < word "local?" word-prop ;
|
||||
|
||||
: <local> ( name -- word )
|
||||
#! Create a local variable identifier
|
||||
f <word>
|
||||
dup t "local?" set-word-prop ;
|
||||
|
||||
PREDICATE: local-word < word "local-word?" word-prop ;
|
||||
|
||||
: <local-word> ( name -- word )
|
||||
f <word> dup t "local-word?" set-word-prop ;
|
||||
|
||||
PREDICATE: local-reader < word "local-reader?" word-prop ;
|
||||
|
||||
: <local-reader> ( name -- word )
|
||||
f <word>
|
||||
dup t "local-reader?" set-word-prop ;
|
||||
|
||||
PREDICATE: local-writer < word "local-writer?" word-prop ;
|
||||
|
||||
: <local-writer> ( reader -- word )
|
||||
dup name>> "!" append f <word> {
|
||||
[ nip t "local-writer?" set-word-prop ]
|
||||
[ swap "local-reader" set-word-prop ]
|
||||
[ "local-writer" set-word-prop ]
|
||||
[ nip ]
|
||||
} 2cleave ;
|
||||
|
||||
TUPLE: quote local ;
|
||||
|
||||
C: <quote> quote
|
||||
|
||||
: local-index ( obj args -- n )
|
||||
[ dup quote? [ local>> ] when eq? ] with find drop ;
|
||||
|
||||
: read-local-quot ( obj args -- quot )
|
||||
local-index neg [ get-local ] curry ;
|
||||
|
||||
GENERIC# localize 1 ( obj args -- quot )
|
||||
|
||||
M: local localize read-local-quot ;
|
||||
|
||||
M: quote localize [ local>> ] dip read-local-quot ;
|
||||
|
||||
M: local-word localize read-local-quot [ call ] append ;
|
||||
|
||||
M: local-reader localize read-local-quot [ local-value ] append ;
|
||||
|
||||
M: local-writer localize
|
||||
[ "local-reader" word-prop ] dip
|
||||
read-local-quot [ set-local-value ] append ;
|
||||
|
||||
M: object localize drop 1quotation ;
|
||||
|
||||
UNION: special local quote local-word local-reader local-writer ;
|
||||
|
||||
: load-locals-quot ( args -- quot )
|
||||
[ [ ] ] [
|
||||
dup [ local-reader? ] contains? [
|
||||
dup [ local-reader? [ 1array ] [ ] ? ] map spread>quot
|
||||
] [ [ ] ] if swap length [ load-locals ] curry append
|
||||
] if-empty ;
|
||||
|
||||
: drop-locals-quot ( args -- quot )
|
||||
[ [ ] ] [ length [ drop-locals ] curry ] if-empty ;
|
||||
|
||||
: point-free-body ( quot args -- newquot )
|
||||
[ but-last-slice ] dip '[ _ localize ] map concat ;
|
||||
|
||||
: point-free-end ( quot args -- newquot )
|
||||
over peek special?
|
||||
[ dup drop-locals-quot [ [ peek ] dip localize ] dip append ]
|
||||
[ drop-locals-quot swap peek suffix ]
|
||||
if ;
|
||||
|
||||
: (point-free) ( quot args -- newquot )
|
||||
[ nip load-locals-quot ]
|
||||
[ reverse point-free-body ]
|
||||
[ reverse point-free-end ]
|
||||
2tri [ ] 3append-as ;
|
||||
|
||||
: point-free ( quot args -- newquot )
|
||||
over empty? [ nip length '[ _ ndrop ] ] [ (point-free) ] if ;
|
||||
|
||||
UNION: lexical local local-reader local-writer local-word ;
|
||||
|
||||
GENERIC: free-vars* ( form -- )
|
||||
|
||||
: free-vars ( form -- vars )
|
||||
[ free-vars* ] { } make prune ;
|
||||
|
||||
M: local-writer free-vars* "local-reader" word-prop , ;
|
||||
|
||||
M: lexical free-vars* , ;
|
||||
|
||||
M: quote free-vars* , ;
|
||||
|
||||
M: object free-vars* drop ;
|
||||
|
||||
M: quotation free-vars* [ free-vars* ] each ;
|
||||
|
||||
M: lambda free-vars* [ vars>> ] [ body>> ] bi free-vars swap diff % ;
|
||||
|
||||
GENERIC: lambda-rewrite* ( obj -- )
|
||||
|
||||
GENERIC: local-rewrite* ( obj -- )
|
||||
|
||||
: lambda-rewrite ( form -- form' )
|
||||
expand-macros
|
||||
[ local-rewrite* ] [ ] make
|
||||
[ [ lambda-rewrite* ] each ] [ ] make ;
|
||||
|
||||
UNION: block callable lambda ;
|
||||
|
||||
GENERIC: block-vars ( block -- seq )
|
||||
|
||||
GENERIC: block-body ( block -- quot )
|
||||
|
||||
M: callable block-vars drop { } ;
|
||||
|
||||
M: callable block-body ;
|
||||
|
||||
M: callable local-rewrite*
|
||||
[ [ local-rewrite* ] each ] [ ] make , ;
|
||||
|
||||
M: lambda block-vars vars>> ;
|
||||
|
||||
M: lambda block-body body>> ;
|
||||
|
||||
M: lambda local-rewrite*
|
||||
[ vars>> ] [ body>> ] bi
|
||||
[ [ local-rewrite* ] each ] [ ] make <lambda> , ;
|
||||
|
||||
M: block lambda-rewrite*
|
||||
#! Turn free variables into bound variables, curry them
|
||||
#! onto the body
|
||||
dup free-vars [ <quote> ] map dup % [
|
||||
over block-vars prepend
|
||||
swap block-body [ [ lambda-rewrite* ] each ] [ ] make
|
||||
swap point-free ,
|
||||
] keep length \ curry <repetition> % ;
|
||||
|
||||
GENERIC: rewrite-literal? ( obj -- ? )
|
||||
|
||||
M: special rewrite-literal? drop t ;
|
||||
|
||||
M: array rewrite-literal? [ rewrite-literal? ] contains? ;
|
||||
|
||||
M: quotation rewrite-literal? [ rewrite-literal? ] contains? ;
|
||||
|
||||
M: wrapper rewrite-literal? drop t ;
|
||||
|
||||
M: hashtable rewrite-literal? drop t ;
|
||||
|
||||
M: vector rewrite-literal? drop t ;
|
||||
|
||||
M: tuple rewrite-literal? drop t ;
|
||||
|
||||
M: object rewrite-literal? drop f ;
|
||||
|
||||
GENERIC: rewrite-element ( obj -- )
|
||||
|
||||
: rewrite-elements ( seq -- )
|
||||
[ rewrite-element ] each ;
|
||||
|
||||
: rewrite-sequence ( seq -- )
|
||||
[ rewrite-elements ] [ length , ] [ 0 head , ] tri \ nsequence , ;
|
||||
|
||||
M: array rewrite-element
|
||||
dup rewrite-literal? [ rewrite-sequence ] [ , ] if ;
|
||||
|
||||
M: vector rewrite-element rewrite-sequence ;
|
||||
|
||||
M: hashtable rewrite-element >alist rewrite-sequence \ >hashtable , ;
|
||||
|
||||
M: tuple rewrite-element
|
||||
[ tuple-slots rewrite-elements ] [ class literalize , ] bi \ boa , ;
|
||||
|
||||
M: quotation rewrite-element local-rewrite* ;
|
||||
|
||||
M: lambda rewrite-element local-rewrite* ;
|
||||
|
||||
M: binding-form rewrite-element binding-form-in-literal-error ;
|
||||
|
||||
M: local rewrite-element , ;
|
||||
|
||||
M: local-reader rewrite-element , ;
|
||||
|
||||
M: local-writer rewrite-element
|
||||
local-writer-in-literal-error ;
|
||||
|
||||
M: local-word rewrite-element
|
||||
local-word-in-literal-error ;
|
||||
|
||||
M: word rewrite-element literalize , ;
|
||||
|
||||
M: wrapper rewrite-element
|
||||
dup rewrite-literal? [ wrapped>> rewrite-element ] [ , ] if ;
|
||||
|
||||
M: object rewrite-element , ;
|
||||
|
||||
M: array local-rewrite* rewrite-element ;
|
||||
|
||||
M: vector local-rewrite* rewrite-element ;
|
||||
|
||||
M: tuple local-rewrite* rewrite-element ;
|
||||
|
||||
M: hashtable local-rewrite* rewrite-element ;
|
||||
|
||||
M: wrapper local-rewrite* rewrite-element ;
|
||||
|
||||
M: word local-rewrite*
|
||||
dup { >r r> load-locals get-local drop-locals } memq?
|
||||
[ >r/r>-in-lambda-error ] [ call-next-method ] if ;
|
||||
|
||||
M: object lambda-rewrite* , ;
|
||||
|
||||
M: object local-rewrite* , ;
|
||||
|
||||
: make-local ( name -- word )
|
||||
"!" ?tail [
|
||||
<local-reader>
|
||||
dup <local-writer> dup name>> set
|
||||
] [ <local> ] if
|
||||
dup dup name>> set ;
|
||||
|
||||
: make-locals ( seq -- words assoc )
|
||||
[ [ make-local ] map ] H{ } make-assoc ;
|
||||
|
||||
: make-local-word ( name def -- word )
|
||||
[ <local-word> [ dup name>> set ] [ ] [ ] tri ] dip
|
||||
"local-word-def" set-word-prop ;
|
||||
|
||||
: push-locals ( assoc -- )
|
||||
use get push ;
|
||||
|
||||
: pop-locals ( assoc -- )
|
||||
use get delete ;
|
||||
|
||||
SYMBOL: in-lambda?
|
||||
|
||||
: (parse-lambda) ( assoc end -- quot )
|
||||
t in-lambda? [ parse-until ] with-variable
|
||||
>quotation swap pop-locals ;
|
||||
|
||||
: parse-lambda ( -- lambda )
|
||||
"|" parse-tokens make-locals dup push-locals
|
||||
\ ] (parse-lambda) <lambda> ;
|
||||
|
||||
: parse-binding ( end -- pair/f )
|
||||
scan {
|
||||
{ [ dup not ] [ unexpected-eof ] }
|
||||
{ [ 2dup = ] [ 2drop f ] }
|
||||
[ nip scan-object 2array ]
|
||||
} cond ;
|
||||
|
||||
: (parse-bindings) ( end -- )
|
||||
dup parse-binding dup [
|
||||
first2 [ make-local ] dip 2array ,
|
||||
(parse-bindings)
|
||||
] [ 2drop ] if ;
|
||||
|
||||
: parse-bindings ( end -- bindings vars )
|
||||
[
|
||||
[ (parse-bindings) ] H{ } make-assoc
|
||||
dup push-locals
|
||||
] { } make swap ;
|
||||
|
||||
: parse-bindings* ( end -- words assoc )
|
||||
[
|
||||
[
|
||||
namespace push-locals
|
||||
|
||||
(parse-bindings)
|
||||
] { } make-assoc
|
||||
] { } make swap ;
|
||||
|
||||
: (parse-wbindings) ( end -- )
|
||||
dup parse-binding dup [
|
||||
first2 [ make-local-word ] keep 2array ,
|
||||
(parse-wbindings)
|
||||
] [ 2drop ] if ;
|
||||
|
||||
: parse-wbindings ( end -- bindings vars )
|
||||
[
|
||||
[ (parse-wbindings) ] H{ } make-assoc
|
||||
dup push-locals
|
||||
] { } make swap ;
|
||||
|
||||
: let-rewrite ( body bindings -- )
|
||||
<reversed> [
|
||||
[ 1array ] dip spin <lambda> '[ @ @ ]
|
||||
] assoc-each local-rewrite* \ call , ;
|
||||
|
||||
M: let local-rewrite*
|
||||
[ body>> ] [ bindings>> ] bi let-rewrite ;
|
||||
|
||||
M: let* local-rewrite*
|
||||
[ body>> ] [ bindings>> ] bi let-rewrite ;
|
||||
|
||||
M: wlet local-rewrite*
|
||||
[ body>> ] [ bindings>> ] bi
|
||||
[ '[ _ ] ] assoc-map
|
||||
let-rewrite ;
|
||||
|
||||
: parse-locals ( -- vars assoc )
|
||||
"(" expect ")" parse-effect
|
||||
word [ over "declared-effect" set-word-prop ] when*
|
||||
in>> [ dup pair? [ first ] when ] map make-locals dup push-locals ;
|
||||
|
||||
: parse-locals-definition ( word -- word quot )
|
||||
parse-locals \ ; (parse-lambda) <lambda>
|
||||
2dup "lambda" set-word-prop
|
||||
lambda-rewrite dup length 1 = [ first ] [ bad-lambda-rewrite ] if ;
|
||||
|
||||
: (::) ( -- word def ) CREATE-WORD parse-locals-definition ;
|
||||
|
||||
: (M::) ( -- word def )
|
||||
CREATE-METHOD
|
||||
[ parse-locals-definition ] with-method-definition ;
|
||||
|
||||
: parsed-lambda ( accum form -- accum )
|
||||
in-lambda? get [ parsed ] [ lambda-rewrite over push-all ] if ;
|
||||
|
||||
PRIVATE>
|
||||
: :> scan <local> <def> parsed ; parsing
|
||||
|
||||
: [| parse-lambda parsed-lambda ; parsing
|
||||
|
||||
|
|
@ -415,110 +28,12 @@ PRIVATE>
|
|||
|
||||
: MEMO:: (::) define-memoized ; parsing
|
||||
|
||||
<PRIVATE
|
||||
{
|
||||
"locals.macros"
|
||||
"locals.fry"
|
||||
} [ require ] each
|
||||
|
||||
! Pretty-printing locals
|
||||
SYMBOL: |
|
||||
|
||||
: pprint-var ( var -- )
|
||||
#! Prettyprint a read/write local as its writer, just like
|
||||
#! in the input syntax: [| x! | ... x 3 + x! ]
|
||||
dup local-reader? [
|
||||
"local-writer" word-prop
|
||||
] when pprint-word ;
|
||||
|
||||
: pprint-vars ( vars -- ) [ pprint-var ] each ;
|
||||
|
||||
M: lambda pprint*
|
||||
<flow
|
||||
\ [| pprint-word
|
||||
dup vars>> pprint-vars
|
||||
\ | pprint-word
|
||||
f <inset body>> pprint-elements block>
|
||||
\ ] pprint-word
|
||||
block> ;
|
||||
|
||||
: pprint-let ( let word -- )
|
||||
pprint-word
|
||||
[ body>> ] [ bindings>> ] bi
|
||||
\ | pprint-word
|
||||
t <inset
|
||||
<block
|
||||
[ <block [ pprint-var ] dip pprint* block> ] assoc-each
|
||||
block>
|
||||
\ | pprint-word
|
||||
<block pprint-elements block>
|
||||
block>
|
||||
\ ] pprint-word ;
|
||||
|
||||
M: let pprint* \ [let pprint-let ;
|
||||
|
||||
M: wlet pprint* \ [wlet pprint-let ;
|
||||
|
||||
M: let* pprint* \ [let* pprint-let ;
|
||||
|
||||
PREDICATE: lambda-word < word "lambda" word-prop >boolean ;
|
||||
|
||||
M: lambda-word definer drop \ :: \ ; ;
|
||||
|
||||
M: lambda-word definition
|
||||
"lambda" word-prop body>> ;
|
||||
|
||||
M: lambda-word reset-word
|
||||
[ call-next-method ] [ f "lambda" set-word-prop ] bi ;
|
||||
|
||||
INTERSECTION: lambda-macro macro lambda-word ;
|
||||
|
||||
M: lambda-macro definer drop \ MACRO:: \ ; ;
|
||||
|
||||
M: lambda-macro definition
|
||||
"lambda" word-prop body>> ;
|
||||
|
||||
M: lambda-macro reset-word
|
||||
[ call-next-method ] [ f "lambda" set-word-prop ] bi ;
|
||||
|
||||
INTERSECTION: lambda-method method-body lambda-word ;
|
||||
|
||||
M: lambda-method definer drop \ M:: \ ; ;
|
||||
|
||||
M: lambda-method definition
|
||||
"lambda" word-prop body>> ;
|
||||
|
||||
M: lambda-method reset-word
|
||||
[ call-next-method ] [ f "lambda" set-word-prop ] bi ;
|
||||
|
||||
INTERSECTION: lambda-memoized memoized lambda-word ;
|
||||
|
||||
M: lambda-memoized definer drop \ MEMO:: \ ; ;
|
||||
|
||||
M: lambda-memoized definition
|
||||
"lambda" word-prop body>> ;
|
||||
|
||||
M: lambda-memoized reset-word
|
||||
[ call-next-method ] [ f "lambda" set-word-prop ] bi ;
|
||||
|
||||
: method-stack-effect ( method -- effect )
|
||||
dup "lambda" word-prop vars>>
|
||||
swap "method-generic" word-prop stack-effect
|
||||
dup [ out>> ] when
|
||||
<effect> ;
|
||||
|
||||
M: lambda-method synopsis*
|
||||
dup dup dup definer.
|
||||
"method-class" word-prop pprint-word
|
||||
"method-generic" word-prop pprint-word
|
||||
method-stack-effect effect>string comment. ;
|
||||
|
||||
PRIVATE>
|
||||
|
||||
! Locals and fry
|
||||
M: binding-form count-inputs body>> count-inputs ;
|
||||
|
||||
M: lambda count-inputs body>> count-inputs ;
|
||||
|
||||
M: lambda deep-fry
|
||||
clone [ shallow-fry swap ] change-body
|
||||
[ [ vars>> length ] keep '[ _ _ mnswap @ ] , ] [ drop [ncurry] % ] 2bi ;
|
||||
|
||||
M: binding-form deep-fry
|
||||
clone [ fry '[ @ call ] ] change-body , ;
|
||||
"prettyprint" vocab [
|
||||
"locals.definitions" require
|
||||
"locals.prettyprint" require
|
||||
] when
|
||||
|
|
|
|||
|
|
@ -0,0 +1,16 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors assocs kernel locals.types macros.expander ;
|
||||
IN: locals.macros
|
||||
|
||||
M: lambda expand-macros clone [ expand-macros ] change-body ;
|
||||
|
||||
M: lambda expand-macros* expand-macros literal ;
|
||||
|
||||
M: binding-form expand-macros
|
||||
clone
|
||||
[ [ expand-macros ] assoc-map ] change-bindings
|
||||
[ expand-macros ] change-body ;
|
||||
|
||||
M: binding-form expand-macros* expand-macros literal ;
|
||||
|
||||
|
|
@ -0,0 +1,96 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors arrays combinators effects.parser
|
||||
generic.parser kernel lexer locals.errors
|
||||
locals.rewrite.closures locals.types make namespaces parser
|
||||
quotations sequences splitting words ;
|
||||
IN: locals.parser
|
||||
|
||||
: make-local ( name -- word )
|
||||
"!" ?tail [
|
||||
<local-reader>
|
||||
dup <local-writer> dup name>> set
|
||||
] [ <local> ] if
|
||||
dup dup name>> set ;
|
||||
|
||||
: make-locals ( seq -- words assoc )
|
||||
[ [ make-local ] map ] H{ } make-assoc ;
|
||||
|
||||
: make-local-word ( name def -- word )
|
||||
[ <local-word> [ dup name>> set ] [ ] [ ] tri ] dip
|
||||
"local-word-def" set-word-prop ;
|
||||
|
||||
: push-locals ( assoc -- )
|
||||
use get push ;
|
||||
|
||||
: pop-locals ( assoc -- )
|
||||
use get delete ;
|
||||
|
||||
SYMBOL: in-lambda?
|
||||
|
||||
: (parse-lambda) ( assoc end -- quot )
|
||||
t in-lambda? [ parse-until ] with-variable
|
||||
>quotation swap pop-locals ;
|
||||
|
||||
: parse-lambda ( -- lambda )
|
||||
"|" parse-tokens make-locals dup push-locals
|
||||
\ ] (parse-lambda) <lambda> ;
|
||||
|
||||
: parse-binding ( end -- pair/f )
|
||||
scan {
|
||||
{ [ dup not ] [ unexpected-eof ] }
|
||||
{ [ 2dup = ] [ 2drop f ] }
|
||||
[ nip scan-object 2array ]
|
||||
} cond ;
|
||||
|
||||
: (parse-bindings) ( end -- )
|
||||
dup parse-binding dup [
|
||||
first2 [ make-local ] dip 2array ,
|
||||
(parse-bindings)
|
||||
] [ 2drop ] if ;
|
||||
|
||||
: parse-bindings ( end -- bindings vars )
|
||||
[
|
||||
[ (parse-bindings) ] H{ } make-assoc
|
||||
dup push-locals
|
||||
] { } make swap ;
|
||||
|
||||
: parse-bindings* ( end -- words assoc )
|
||||
[
|
||||
[
|
||||
namespace push-locals
|
||||
|
||||
(parse-bindings)
|
||||
] { } make-assoc
|
||||
] { } make swap ;
|
||||
|
||||
: (parse-wbindings) ( end -- )
|
||||
dup parse-binding dup [
|
||||
first2 [ make-local-word ] keep 2array ,
|
||||
(parse-wbindings)
|
||||
] [ 2drop ] if ;
|
||||
|
||||
: parse-wbindings ( end -- bindings vars )
|
||||
[
|
||||
[ (parse-wbindings) ] H{ } make-assoc
|
||||
dup push-locals
|
||||
] { } make swap ;
|
||||
|
||||
: parse-locals ( -- vars assoc )
|
||||
"(" expect ")" parse-effect
|
||||
word [ over "declared-effect" set-word-prop ] when*
|
||||
in>> [ dup pair? [ first ] when ] map make-locals dup push-locals ;
|
||||
|
||||
: parse-locals-definition ( word -- word quot )
|
||||
parse-locals \ ; (parse-lambda) <lambda>
|
||||
2dup "lambda" set-word-prop
|
||||
rewrite-closures dup length 1 = [ first ] [ bad-lambda-rewrite ] if ;
|
||||
|
||||
: (::) ( -- word def ) CREATE-WORD parse-locals-definition ;
|
||||
|
||||
: (M::) ( -- word def )
|
||||
CREATE-METHOD
|
||||
[ parse-locals-definition ] with-method-definition ;
|
||||
|
||||
: parsed-lambda ( accum form -- accum )
|
||||
in-lambda? get [ parsed ] [ rewrite-closures over push-all ] if ;
|
||||
|
|
@ -0,0 +1,48 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors assocs kernel locals locals.types
|
||||
prettyprint.backend prettyprint.sections prettyprint.custom
|
||||
sequences words ;
|
||||
IN: locals.prettyprint
|
||||
|
||||
SYMBOL: |
|
||||
|
||||
: pprint-var ( var -- )
|
||||
#! Prettyprint a read/write local as its writer, just like
|
||||
#! in the input syntax: [| x! | ... x 3 + x! ]
|
||||
dup local-reader? [
|
||||
"local-writer" word-prop
|
||||
] when pprint-word ;
|
||||
|
||||
: pprint-vars ( vars -- ) [ pprint-var ] each ;
|
||||
|
||||
M: lambda pprint*
|
||||
<flow
|
||||
\ [| pprint-word
|
||||
dup vars>> pprint-vars
|
||||
\ | pprint-word
|
||||
f <inset body>> pprint-elements block>
|
||||
\ ] pprint-word
|
||||
block> ;
|
||||
|
||||
: pprint-let ( let word -- )
|
||||
pprint-word
|
||||
[ body>> ] [ bindings>> ] bi
|
||||
\ | pprint-word
|
||||
t <inset
|
||||
<block
|
||||
[ <block [ pprint-var ] dip pprint* block> ] assoc-each
|
||||
block>
|
||||
\ | pprint-word
|
||||
<block pprint-elements block>
|
||||
block>
|
||||
\ ] pprint-word ;
|
||||
|
||||
M: let pprint* \ [let pprint-let ;
|
||||
|
||||
M: wlet pprint* \ [wlet pprint-let ;
|
||||
|
||||
M: let* pprint* \ [let* pprint-let ;
|
||||
|
||||
M: def pprint*
|
||||
<block \ :> pprint-word local>> pprint-word block> ;
|
||||
|
|
@ -0,0 +1,55 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors kernel locals.rewrite.point-free
|
||||
locals.rewrite.sugar locals.types macros.expander make
|
||||
quotations sequences sets words ;
|
||||
IN: locals.rewrite.closures
|
||||
|
||||
! Step 2: identify free variables and make them into explicit
|
||||
! parameters of lambdas which are curried on
|
||||
|
||||
GENERIC: rewrite-closures* ( obj -- )
|
||||
|
||||
: (rewrite-closures) ( form -- form' )
|
||||
[ [ rewrite-closures* ] each ] [ ] make ;
|
||||
|
||||
: rewrite-closures ( form -- form' )
|
||||
expand-macros (rewrite-sugar) (rewrite-closures) point-free ;
|
||||
|
||||
GENERIC: defs-vars* ( seq form -- seq' )
|
||||
|
||||
: defs-vars ( form -- vars ) { } [ defs-vars* ] reduce prune ;
|
||||
|
||||
M: def defs-vars* local>> unquote suffix ;
|
||||
|
||||
M: quotation defs-vars* [ defs-vars* ] each ;
|
||||
|
||||
M: object defs-vars* drop ;
|
||||
|
||||
GENERIC: uses-vars* ( seq form -- seq' )
|
||||
|
||||
: uses-vars ( form -- vars ) { } [ uses-vars* ] reduce prune ;
|
||||
|
||||
M: local-writer uses-vars* "local-reader" word-prop suffix ;
|
||||
|
||||
M: lexical uses-vars* suffix ;
|
||||
|
||||
M: quote uses-vars* local>> uses-vars* ;
|
||||
|
||||
M: object uses-vars* drop ;
|
||||
|
||||
M: quotation uses-vars* [ uses-vars* ] each ;
|
||||
|
||||
: free-vars ( form -- seq )
|
||||
[ uses-vars ] [ defs-vars ] bi diff ;
|
||||
|
||||
M: callable rewrite-closures*
|
||||
#! Turn free variables into bound variables, curry them
|
||||
#! onto the body
|
||||
dup free-vars [ <quote> ] map
|
||||
[ % ]
|
||||
[ var-defs prepend (rewrite-closures) point-free , ]
|
||||
[ length \ curry <repetition> % ]
|
||||
tri ;
|
||||
|
||||
M: object rewrite-closures* , ;
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors arrays fry kernel locals.backend locals.types
|
||||
math quotations sequences words combinators make ;
|
||||
IN: locals.rewrite.point-free
|
||||
|
||||
! Step 3: rewrite locals usage within a single quotation into
|
||||
! retain stack manipulation
|
||||
|
||||
ERROR: bad-local args obj ;
|
||||
|
||||
: local-index ( args obj -- n )
|
||||
2dup '[ unquote _ eq? ] find drop
|
||||
dup [ 2nip ] [ drop bad-local ] if ;
|
||||
|
||||
: read-local-quot ( args obj -- quot )
|
||||
local-index neg [ get-local ] curry ;
|
||||
|
||||
GENERIC: localize ( args obj -- args quot )
|
||||
|
||||
M: local localize dupd read-local-quot ;
|
||||
|
||||
M: quote localize dupd local>> read-local-quot ;
|
||||
|
||||
M: local-word localize dupd read-local-quot [ call ] append ;
|
||||
|
||||
M: local-reader localize dupd read-local-quot [ local-value ] append ;
|
||||
|
||||
M: local-writer localize
|
||||
dupd "local-reader" word-prop
|
||||
read-local-quot [ set-local-value ] append ;
|
||||
|
||||
M: def localize
|
||||
local>> [ prefix ] [ local-reader? [ 1array >r ] [ >r ] ? ] bi ;
|
||||
|
||||
M: object localize 1quotation ;
|
||||
|
||||
! We special-case all the :> at the start of a quotation
|
||||
: load-locals-quot ( args -- quot )
|
||||
[ [ ] ] [
|
||||
dup [ local-reader? ] contains? [
|
||||
dup [ local-reader? [ 1array ] [ ] ? ] map
|
||||
spread>quot
|
||||
] [ [ ] ] if swap length [ load-locals ] curry append
|
||||
] if-empty ;
|
||||
|
||||
: load-locals-index ( quot -- n )
|
||||
[ [ dup def? [ local>> local-reader? ] [ drop t ] if ] find drop ]
|
||||
[ length ] bi or ;
|
||||
|
||||
: point-free-start ( quot -- args rest )
|
||||
dup load-locals-index
|
||||
cut [ [ local>> ] map dup <reversed> load-locals-quot % ] dip ;
|
||||
|
||||
: point-free-body ( args quot -- args )
|
||||
[ localize % ] each ;
|
||||
|
||||
: drop-locals-quot ( args -- )
|
||||
[ length , [ drop-locals ] % ] unless-empty ;
|
||||
|
||||
: point-free-end ( args obj -- )
|
||||
dup special?
|
||||
[ localize % drop-locals-quot ]
|
||||
[ [ drop-locals-quot ] [ , ] bi* ]
|
||||
if ;
|
||||
|
||||
: point-free ( quot -- newquot )
|
||||
[
|
||||
point-free-start
|
||||
[ drop-locals-quot ] [
|
||||
unclip-last
|
||||
[ point-free-body ]
|
||||
[ point-free-end ]
|
||||
bi*
|
||||
] if-empty
|
||||
] [ ] make ;
|
||||
|
|
@ -0,0 +1,122 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors arrays assocs classes classes.tuple fry
|
||||
generalizations hashtables kernel locals locals.backend
|
||||
locals.errors locals.types make quotations sequences vectors
|
||||
words ;
|
||||
IN: locals.rewrite.sugar
|
||||
|
||||
! Step 1: rewrite [| [let [let* [wlet into :> forms, turn
|
||||
! literals with locals in them into code which constructs
|
||||
! the literal after pushing locals on the stack
|
||||
|
||||
GENERIC: rewrite-sugar* ( obj -- )
|
||||
|
||||
: (rewrite-sugar) ( form -- form' )
|
||||
[ rewrite-sugar* ] [ ] make ;
|
||||
|
||||
GENERIC: quotation-rewrite ( form -- form' )
|
||||
|
||||
M: callable quotation-rewrite [ [ rewrite-sugar* ] each ] [ ] make ;
|
||||
|
||||
: var-defs ( vars -- defs ) <reversed> [ <def> ] [ ] map-as ;
|
||||
|
||||
M: lambda quotation-rewrite
|
||||
[ body>> ] [ vars>> var-defs ] bi
|
||||
prepend quotation-rewrite ;
|
||||
|
||||
M: callable rewrite-sugar* quotation-rewrite , ;
|
||||
|
||||
M: lambda rewrite-sugar* quotation-rewrite , ;
|
||||
|
||||
GENERIC: rewrite-literal? ( obj -- ? )
|
||||
|
||||
M: special rewrite-literal? drop t ;
|
||||
|
||||
M: array rewrite-literal? [ rewrite-literal? ] contains? ;
|
||||
|
||||
M: quotation rewrite-literal? [ rewrite-literal? ] contains? ;
|
||||
|
||||
M: wrapper rewrite-literal? drop t ;
|
||||
|
||||
M: hashtable rewrite-literal? drop t ;
|
||||
|
||||
M: vector rewrite-literal? drop t ;
|
||||
|
||||
M: tuple rewrite-literal? drop t ;
|
||||
|
||||
M: object rewrite-literal? drop f ;
|
||||
|
||||
GENERIC: rewrite-element ( obj -- )
|
||||
|
||||
: rewrite-elements ( seq -- )
|
||||
[ rewrite-element ] each ;
|
||||
|
||||
: rewrite-sequence ( seq -- )
|
||||
[ rewrite-elements ] [ length , ] [ 0 head , ] tri \ nsequence , ;
|
||||
|
||||
M: array rewrite-element
|
||||
dup rewrite-literal? [ rewrite-sequence ] [ , ] if ;
|
||||
|
||||
M: vector rewrite-element rewrite-sequence ;
|
||||
|
||||
M: hashtable rewrite-element >alist rewrite-sequence \ >hashtable , ;
|
||||
|
||||
M: tuple rewrite-element
|
||||
[ tuple-slots rewrite-elements ] [ class literalize , ] bi \ boa , ;
|
||||
|
||||
M: quotation rewrite-element rewrite-sugar* ;
|
||||
|
||||
M: lambda rewrite-element rewrite-sugar* ;
|
||||
|
||||
M: binding-form rewrite-element binding-form-in-literal-error ;
|
||||
|
||||
M: local rewrite-element , ;
|
||||
|
||||
M: local-reader rewrite-element , ;
|
||||
|
||||
M: local-writer rewrite-element
|
||||
local-writer-in-literal-error ;
|
||||
|
||||
M: local-word rewrite-element
|
||||
local-word-in-literal-error ;
|
||||
|
||||
M: word rewrite-element literalize , ;
|
||||
|
||||
M: wrapper rewrite-element
|
||||
dup rewrite-literal? [ wrapped>> rewrite-element ] [ , ] if ;
|
||||
|
||||
M: object rewrite-element , ;
|
||||
|
||||
M: array rewrite-sugar* rewrite-element ;
|
||||
|
||||
M: vector rewrite-sugar* rewrite-element ;
|
||||
|
||||
M: tuple rewrite-sugar* rewrite-element ;
|
||||
|
||||
M: def rewrite-sugar* , ;
|
||||
|
||||
M: hashtable rewrite-sugar* rewrite-element ;
|
||||
|
||||
M: wrapper rewrite-sugar* rewrite-element ;
|
||||
|
||||
M: word rewrite-sugar*
|
||||
dup { >r r> load-locals get-local drop-locals } memq?
|
||||
[ >r/r>-in-lambda-error ] [ call-next-method ] if ;
|
||||
|
||||
M: object rewrite-sugar* , ;
|
||||
|
||||
: let-rewrite ( body bindings -- )
|
||||
[ quotation-rewrite % <def> , ] assoc-each
|
||||
quotation-rewrite % ;
|
||||
|
||||
M: let rewrite-sugar*
|
||||
[ body>> ] [ bindings>> ] bi let-rewrite ;
|
||||
|
||||
M: let* rewrite-sugar*
|
||||
[ body>> ] [ bindings>> ] bi let-rewrite ;
|
||||
|
||||
M: wlet rewrite-sugar*
|
||||
[ body>> ] [ bindings>> ] bi
|
||||
[ '[ _ ] ] assoc-map
|
||||
let-rewrite ;
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
! Copyright (C) 2007, 2008 Slava Pestov, Eduardo Cavazos.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors combinators kernel sequences words ;
|
||||
IN: locals.types
|
||||
|
||||
TUPLE: lambda vars body ;
|
||||
|
||||
C: <lambda> lambda
|
||||
|
||||
TUPLE: binding-form bindings body ;
|
||||
|
||||
TUPLE: let < binding-form ;
|
||||
|
||||
C: <let> let
|
||||
|
||||
TUPLE: let* < binding-form ;
|
||||
|
||||
C: <let*> let*
|
||||
|
||||
TUPLE: wlet < binding-form ;
|
||||
|
||||
C: <wlet> wlet
|
||||
|
||||
TUPLE: quote local ;
|
||||
|
||||
C: <quote> quote
|
||||
|
||||
: unquote ( quote -- local ) dup quote? [ local>> ] when ; inline
|
||||
|
||||
TUPLE: def local ;
|
||||
|
||||
C: <def> def
|
||||
|
||||
PREDICATE: local < word "local?" word-prop ;
|
||||
|
||||
: <local> ( name -- word )
|
||||
#! Create a local variable identifier
|
||||
f <word>
|
||||
dup t "local?" set-word-prop ;
|
||||
|
||||
PREDICATE: local-word < word "local-word?" word-prop ;
|
||||
|
||||
: <local-word> ( name -- word )
|
||||
f <word> dup t "local-word?" set-word-prop ;
|
||||
|
||||
PREDICATE: local-reader < word "local-reader?" word-prop ;
|
||||
|
||||
: <local-reader> ( name -- word )
|
||||
f <word>
|
||||
dup t "local-reader?" set-word-prop ;
|
||||
|
||||
PREDICATE: local-writer < word "local-writer?" word-prop ;
|
||||
|
||||
: <local-writer> ( reader -- word )
|
||||
dup name>> "!" append f <word> {
|
||||
[ nip t "local-writer?" set-word-prop ]
|
||||
[ swap "local-reader" set-word-prop ]
|
||||
[ "local-writer" set-word-prop ]
|
||||
[ nip ]
|
||||
} 2cleave ;
|
||||
|
||||
UNION: lexical local local-reader local-writer local-word ;
|
||||
UNION: special lexical quote def ;
|
||||
Loading…
Reference in New Issue