95 lines
2.3 KiB
Factor
95 lines
2.3 KiB
Factor
! Copyright (C) 2006, 2007 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: print-dataflow
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USING: generic hashtables inference io kernel kernel-internals
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math namespaces prettyprint prettyprint-internals sequences
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styles vectors words optimizer ;
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! A simple tool for turning dataflow IR into quotations, for
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! debugging purposes.
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GENERIC: node>quot ( ? node -- )
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TUPLE: comment node text ;
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M: comment pprint*
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"( " over comment-text " )" 3append
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swap comment-node presentation-text ;
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: comment, ( ? node text -- )
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rot [ <comment> , ] [ 2drop ] if ;
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: values% ( prefix values -- )
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[
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swap %
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dup value? [
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value-literal unparse %
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] [
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"@" % #
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] if
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] each-with ;
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: effect-str ( node -- str )
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[
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" " over node-in-d values%
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" r: " over node-in-r values%
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" --" %
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" " over node-out-d values%
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" r: " swap node-out-r values%
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] "" make 1 tail ;
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M: #shuffle node>quot
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>r drop t r> dup effect-str "#shuffle: " swap append comment, ;
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: pushed-literals node-out-d [ value-literal ] map ;
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M: #push node>quot nip pushed-literals % ;
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DEFER: dataflow>quot
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: #call>quot ( ? node -- )
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dup node-param dup
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[ , dup effect-str comment, ] [ 3drop ] if ;
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M: #call node>quot #call>quot ;
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M: #call-label node>quot #call>quot ;
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M: #label node>quot
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[ "#label: " over node-param word-name append comment, ] 2keep
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node-child swap dataflow>quot , \ call , ;
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M: #if node>quot
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[ "#if" comment, ] 2keep
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node-children [ swap dataflow>quot ] map-with % \ if , ;
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M: #dispatch node>quot
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[ "#dispatch" comment, ] 2keep
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node-children [ swap dataflow>quot ] map-with , \ dispatch , ;
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M: #return node>quot
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dup node-param unparse "#return " swap append comment, ;
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M: #>r node>quot 2drop \ >r , ;
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M: #r> node>quot 2drop \ r> , ;
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M: object node>quot dup class word-name comment, ;
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: (dataflow>quot) ( ? node -- )
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dup [
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2dup node>quot node-successor (dataflow>quot)
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] [
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2drop
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] if ;
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: dataflow>quot ( node ? -- quot )
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[ swap (dataflow>quot) ] [ ] make ;
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: print-dataflow ( quot ? -- )
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#! Print dataflow IR for a quotation. Flag indicates if
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#! annotations should be printed or not.
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>r dataflow optimize r> dataflow>quot . ;
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PROVIDE: apps/print-dataflow ;
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