95 lines
2.8 KiB
Factor
95 lines
2.8 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: gadgets-walker
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USING: arrays errors gadgets gadgets-buttons assocs
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gadgets-listener gadgets-panes gadgets-scrolling gadgets-text
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gadgets-tracks gadgets-workspace generic hashtables
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interpreter io kernel kernel-internals listener math models
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namespaces sequences shells threads vectors quotations
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prettyprint gadgets-traceback inspector ;
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: <quotation-display> ( quot -- gadget )
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[ [ first2 callframe. ] when* ]
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"Current quotation" <labelled-pane> ;
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TUPLE: walker-gadget model quot ns ;
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: update-stacks ( walker -- )
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meta-interp get
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over walker-gadget-model set-model
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callframe get callframe-scan get 2array
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swap walker-gadget-quot set-model ;
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: with-walker ( gadget quot -- )
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swap dup walker-gadget-ns
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[ slip update-stacks ] bind ; inline
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: walker-active? ( walker -- ? )
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meta-interp swap walker-gadget-ns key? ;
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: walker-command ( gadget quot -- )
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over walker-active? [ with-walker ] [ 2drop ] if ; inline
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: com-step [ step ] walker-command ;
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: com-into [ step-in ] walker-command ;
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: com-out [ step-out ] walker-command ;
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: com-back [ step-back ] walker-command ;
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: init-walker-models ( walker -- )
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f <model> over set-walker-gadget-quot
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f <model> over set-walker-gadget-model
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H{ } clone swap set-walker-gadget-ns ;
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: reset-walker ( walker -- )
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dup walker-gadget-ns clear-assoc
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[ V{ } clone meta-history set ] with-walker ;
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C: walker-gadget ( -- gadget )
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dup init-walker-models [
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toolbar,
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g walker-gadget-quot <quotation-display> 1/4 track,
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g walker-gadget-model <traceback-gadget> 3/4 track,
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] { 0 1 } build-track
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dup reset-walker ;
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M: walker-gadget call-tool* ( continuation walker -- )
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[ restore ] with-walker ;
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: com-inspect ( walker -- )
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dup walker-active? [
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meta-interp swap walker-gadget-ns at
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[ inspect ] curry call-listener
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] [
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drop
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] if ;
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: com-continue ( walker -- )
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dup [ step-all ] walker-command reset-walker ;
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: com-abandon ( walker -- )
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dup [ abandon ] walker-command reset-walker ;
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: walker-help "ui-walker" help-window ;
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\ walker-help H{ { +nullary+ t } } define-command
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walker-gadget "toolbar" f {
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{ T{ key-down f { A+ } "s" } com-step }
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{ T{ key-down f { A+ } "i" } com-into }
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{ T{ key-down f { A+ } "o" } com-out }
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{ T{ key-down f { A+ } "b" } com-back }
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{ T{ key-down f { A+ } "c" } com-continue }
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{ T{ key-down f f "F1" } walker-help }
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} define-command-map
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walker-gadget "other" f {
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{ T{ key-down f { A+ } "a" } com-abandon }
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{ T{ key-down f { A+ } "n" } com-inspect }
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} define-command-map
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[ walker-gadget call-tool stop ] break-hook set-global
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IN: tools
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: walk ( quot -- ) [ break ] swap append call ;
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