factor/extra/ui/tools/walker/walker.factor

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! Copyright (C) 2006, 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays assocs ui.tools.listener ui.tools.traceback
ui.tools.workspace inspector kernel models namespaces
prettyprint quotations sequences threads tools.interpreter
ui.commands ui.gadgets ui.gadgets.labelled ui.gadgets.tracks
ui.gestures ui.gadgets.buttons ui.gadgets.panes
prettyprint.config prettyprint.backend ;
IN: ui.tools.walker
TUPLE: walker-gadget model ns ;
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: update-stacks ( walker -- )
interpreter get swap walker-gadget-model set-model ;
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: with-walker ( gadget quot -- )
swap dup walker-gadget-ns [ slip update-stacks ] bind ;
inline
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: walker-active? ( walker -- ? )
interpreter swap walker-gadget-ns key? ;
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: walker-command ( gadget quot -- )
over walker-active? [ with-walker ] [ 2drop ] if ; inline
: com-step [ step ] walker-command ;
: com-into [ step-into ] walker-command ;
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: com-out [ step-out ] walker-command ;
: com-back [ step-back ] walker-command ;
: init-walker-models ( walker -- )
f <model> over set-walker-gadget-model
H{ } clone swap set-walker-gadget-ns ;
: reset-walker ( walker -- )
dup walker-gadget-ns clear-assoc
[ V{ } clone history set ] with-walker ;
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: <walker-gadget> ( -- gadget )
walker-gadget construct-empty
dup init-walker-models [
toolbar,
g walker-gadget-model <traceback-gadget> 1 track,
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] { 0 1 } build-track
dup reset-walker ;
M: walker-gadget call-tool* ( continuation walker -- )
[ restore ] with-walker ;
: com-inspect ( walker -- )
dup walker-active? [
interpreter swap walker-gadget-ns at
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[ inspect ] curry call-listener
] [
drop
] if ;
: com-continue ( walker -- )
dup [ step-all ] walker-command reset-walker ;
: walker-help "ui-walker" help-window ;
\ walker-help H{ { +nullary+ t } } define-command
walker-gadget "toolbar" f {
{ T{ key-down f { A+ } "s" } com-step }
{ T{ key-down f { A+ } "i" } com-into }
{ T{ key-down f { A+ } "o" } com-out }
{ T{ key-down f { A+ } "b" } com-back }
{ T{ key-down f { A+ } "c" } com-continue }
{ T{ key-down f f "F1" } walker-help }
} define-command-map
walker-gadget "other" f {
{ T{ key-down f { A+ } "n" } com-inspect }
} define-command-map
[ walker-gadget call-tool stop ] break-hook set-global