factor/library/inference/stack.factor

! :folding=indent:collapseFolds=1:

! $Id$
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! Copyright (C) 2004 Slava Pestov.
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IN: inference
USE: interpreter
USE: kernel
USE: lists
USE: namespaces
USE: words

\ >r [
    f \ >r dataflow, [ 1 0 node-inputs ] extend
    pop-d push-r
    [ 0 1 node-outputs ] bind
] "infer" set-word-prop

\ r> [
    f \ r> dataflow, [ 0 1 node-inputs ] extend
    pop-r push-d
    [ 1 0 node-outputs ] bind
] "infer" set-word-prop

: partial-eval ( word -- )
    #! Partially evaluate a word.
    f over dup
    "infer-effect" word-prop
    [ host-word ] with-dataflow ;

\ drop [ \ drop partial-eval ] "infer" set-word-prop
\ dup  [ \ dup  partial-eval ] "infer" set-word-prop
\ swap [ \ swap partial-eval ] "infer" set-word-prop
\ over [ \ over partial-eval ] "infer" set-word-prop
\ pick [ \ pick partial-eval ] "infer" set-word-prop