factor/basis/stack-checker/transforms/transforms.factor

142 lines
3.6 KiB
Factor
Executable File

! Copyright (C) 2007, 2009 Slava Pestov, Daniel Ehrenberg.
! See http://factorcode.org/license.txt for BSD license.
USING: fry accessors arrays kernel kernel.private combinators.private
words sequences generic math math.order namespaces quotations
assocs combinators combinators.short-circuit classes.tuple
classes.tuple.private effects summary hashtables classes sets
definitions generic.standard slots.private continuations locals
sequences.private generalizations stack-checker.backend
stack-checker.state stack-checker.visitor stack-checker.errors
stack-checker.values stack-checker.recursive-state ;
IN: stack-checker.transforms
: call-transformer ( word stack quot -- newquot )
'[ _ _ with-datastack [ length 1 assert= ] [ first ] bi nip ]
[ transform-expansion-error ]
recover ;
:: ((apply-transform)) ( word quot values stack rstate -- )
rstate recursive-state
[ word stack quot call-transformer ] with-variable
[
values [ length meta-d shorten-by ] [ #drop, ] bi
rstate infer-quot
] [ word infer-word ] if* ;
: literals? ( values -- ? ) [ literal-value? ] all? ;
: (apply-transform) ( word quot n -- )
ensure-d dup literals? [
dup empty? [ dup recursive-state get ] [
[ ]
[ [ literal value>> ] map ]
[ first literal recursion>> ] tri
] if
((apply-transform))
] [ 2drop infer-word ] if ;
: apply-transform ( word -- )
[ ] [ "transform-quot" word-prop ] [ "transform-n" word-prop ] tri
(apply-transform) ;
: apply-macro ( word -- )
[ ] [ "macro" word-prop ] [ "declared-effect" word-prop in>> length ] tri
(apply-transform) ;
: define-transform ( word quot n -- )
[ drop "transform-quot" set-word-prop ]
[ nip "transform-n" set-word-prop ]
3bi ;
! Combinators
\ cond [ cond>quot ] 1 define-transform
\ cond t "no-compile" set-word-prop
\ case [
[
[ no-case ]
] [
dup last callable? [
dup last swap but-last
] [
[ no-case ] swap
] if case>quot
] if-empty
] 1 define-transform
\ case t "no-compile" set-word-prop
\ cleave [ cleave>quot ] 1 define-transform
\ cleave t "no-compile" set-word-prop
\ 2cleave [ 2cleave>quot ] 1 define-transform
\ 2cleave t "no-compile" set-word-prop
\ 3cleave [ 3cleave>quot ] 1 define-transform
\ 3cleave t "no-compile" set-word-prop
\ spread [ spread>quot ] 1 define-transform
\ spread t "no-compile" set-word-prop
\ 0&& [ '[ _ 0 n&& ] ] 1 define-transform
\ 0&& t "no-compile" set-word-prop
\ 1&& [ '[ _ 1 n&& ] ] 1 define-transform
\ 1&& t "no-compile" set-word-prop
\ 2&& [ '[ _ 2 n&& ] ] 1 define-transform
\ 2&& t "no-compile" set-word-prop
\ 3&& [ '[ _ 3 n&& ] ] 1 define-transform
\ 3&& t "no-compile" set-word-prop
\ 0|| [ '[ _ 0 n|| ] ] 1 define-transform
\ 0|| t "no-compile" set-word-prop
\ 1|| [ '[ _ 1 n|| ] ] 1 define-transform
\ 1|| t "no-compile" set-word-prop
\ 2|| [ '[ _ 2 n|| ] ] 1 define-transform
\ 2|| t "no-compile" set-word-prop
\ 3|| [ '[ _ 3 n|| ] ] 1 define-transform
\ 3|| t "no-compile" set-word-prop
\ (call-next-method) [
[
[ "method-class" word-prop ]
[ "method-generic" word-prop ] bi
[ inlined-dependency depends-on ] bi@
] [
[ next-method-quot ]
[ '[ _ no-next-method ] ] bi or
] bi
] 1 define-transform
\ (call-next-method) t "no-compile" set-word-prop
! Constructors
\ boa [
dup tuple-class? [
dup inlined-dependency depends-on
[ "boa-check" word-prop [ ] or ]
[ tuple-layout '[ _ <tuple-boa> ] ]
bi append
] [ drop f ] if
] 1 define-transform
\ boa t "no-compile" set-word-prop