152 lines
3.8 KiB
Factor
152 lines
3.8 KiB
Factor
! Copyright (C) 2007, 2009 Slava Pestov, Daniel Ehrenberg.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors classes.tuple classes.tuple.private combinators
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combinators.short-circuit continuations fry generic kernel
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locals namespaces quotations sequences stack-checker.backend
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stack-checker.dependencies stack-checker.errors
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stack-checker.recursive-state stack-checker.values
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stack-checker.visitor words ;
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IN: stack-checker.transforms
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: call-transformer ( stack quot -- newquot )
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'[ _ _ with-datastack [ length 1 assert= ] [ first ] bi ]
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[ error-continuation get current-word get transform-expansion-error ]
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recover ;
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:: ((apply-transform)) ( quot values stack rstate -- )
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rstate recursive-state [ stack quot call-transformer ] with-variable
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values [ length shorten-d ] [ #drop, ] bi
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rstate infer-quot ;
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: literal-values? ( values -- ? ) [ literal-value? ] all? ;
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: input-values? ( values -- ? )
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[ { [ literal-value? ] [ input-value? ] } 1|| ] all? ;
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: (apply-transform) ( quot n -- )
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ensure-d {
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{ [ dup literal-values? ] [
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dup empty? [ dup recursive-state get ] [
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[ ]
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[ [ literal value>> ] map ]
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[ first literal recursion>> ] tri
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] if
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((apply-transform))
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] }
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{ [ dup input-values? ] [ drop current-word get unknown-macro-input ] }
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[ drop current-word get bad-macro-input ]
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} cond ;
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: apply-transform ( word -- )
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[ current-word set ]
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[ "transform-quot" word-prop ]
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[ "transform-n" word-prop ] tri
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(apply-transform) ;
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: apply-macro ( word -- )
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[ current-word set ]
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[ "macro" word-prop ]
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[ "declared-effect" word-prop in>> length ] tri
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(apply-transform) ;
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: define-transform ( word quot n -- )
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[ drop "transform-quot" set-word-prop ]
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[ nip "transform-n" set-word-prop ]
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3bi ;
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! Combinators
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\ cond [ cond>quot ] 1 define-transform
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\ cond t "no-compile" set-word-prop
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\ case [
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[
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[ no-case ]
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] [
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dup [ callable? ] find dup
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[ [ head ] dip ] [ 2drop [ no-case ] ] if
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swap case>quot
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] if-empty
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] 1 define-transform
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\ case t "no-compile" set-word-prop
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\ cleave [ cleave>quot ] 1 define-transform
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\ cleave t "no-compile" set-word-prop
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\ 2cleave [ 2cleave>quot ] 1 define-transform
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\ 2cleave t "no-compile" set-word-prop
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\ 3cleave [ 3cleave>quot ] 1 define-transform
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\ 3cleave t "no-compile" set-word-prop
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\ 4cleave [ 4cleave>quot ] 1 define-transform
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\ 4cleave t "no-compile" set-word-prop
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\ spread [ deep-spread>quot ] 1 define-transform
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\ spread t "no-compile" set-word-prop
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\ 0&& [ '[ _ 0 n&& ] ] 1 define-transform
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\ 0&& t "no-compile" set-word-prop
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\ 1&& [ '[ _ 1 n&& ] ] 1 define-transform
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\ 1&& t "no-compile" set-word-prop
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\ 2&& [ '[ _ 2 n&& ] ] 1 define-transform
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\ 2&& t "no-compile" set-word-prop
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\ 3&& [ '[ _ 3 n&& ] ] 1 define-transform
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\ 3&& t "no-compile" set-word-prop
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\ 0|| [ '[ _ 0 n|| ] ] 1 define-transform
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\ 0|| t "no-compile" set-word-prop
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\ 1|| [ '[ _ 1 n|| ] ] 1 define-transform
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\ 1|| t "no-compile" set-word-prop
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\ 2|| [ '[ _ 2 n|| ] ] 1 define-transform
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\ 2|| t "no-compile" set-word-prop
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\ 3|| [ '[ _ 3 n|| ] ] 1 define-transform
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\ 3|| t "no-compile" set-word-prop
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: add-next-method-dependency ( method -- )
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[ "method-class" word-prop ]
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[ "method-generic" word-prop ] bi
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2dup next-method
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add-depends-on-next-method ;
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\ (call-next-method) [
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[ add-next-method-dependency ]
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[ [ next-method-quot ] [ '[ _ no-next-method ] ] bi or ] bi
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] 1 define-transform
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\ (call-next-method) t "no-compile" set-word-prop
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! Constructors
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\ boa [
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dup tuple-class? [
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dup tuple-layout
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[ add-depends-on-tuple-layout ]
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[ [ "boa-check" word-prop [ ] or ] dip ] 2bi
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'[ @ _ <tuple-boa> ]
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] [
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\ boa time-bomb
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] if
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] 1 define-transform
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\ boa t "no-compile" set-word-prop
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