94 lines
3.0 KiB
Factor
94 lines
3.0 KiB
Factor
! Copyright (C) 2006 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 gadgets-frames
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gadgets-listener gadgets-panes gadgets-scrolling gadgets-text
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gadgets-tracks gadgets-workspace generic hashtables tools
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interpreter io kernel kernel-internals listener math models
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namespaces sequences shells threads vectors ;
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: <callstack-display> ( model -- )
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[ [ continuation-call callstack. ] when* ]
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"Call stack" <labelled-pane> ;
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: <datastack-display> ( model -- )
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[ [ continuation-data stack. ] when* ]
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"Data stack" <labelled-pane> ;
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: <retainstack-display> ( model -- )
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[ [ continuation-retain stack. ] when* ]
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"Retain stack" <labelled-pane> ;
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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 over walker-gadget-model set-model
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meta-callframe 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-command ( gadget quot -- )
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meta-interp pick walker-gadget-ns hash
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[ with-walker ] [ 2drop ] if ; inline
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: reset-walker ( walker -- )
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dup H{ } clone swap set-walker-gadget-ns
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update-stacks ;
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: walker-step [ step ] walker-command ;
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: walker-step-in [ step-in ] walker-command ;
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: walker-step-out [ step-out ] walker-command ;
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: walker-step-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> swap set-walker-gadget-model ;
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: walker-gadget-quot$ gadget get walker-gadget-quot ;
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: walker-gadget-model$ gadget get walker-gadget-model ;
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C: walker-gadget ( -- gadget )
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dup init-walker-models {
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{ [ walker-gadget-quot$ <quotation-display> ] f f 1/6 }
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{ [ walker-gadget-model$ <datastack-display> ] f f 1/4 }
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{ [ walker-gadget-model$ <retainstack-display> ] f f 1/4 }
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{ [ walker-gadget-model$ <callstack-display> ] f f 1/3 }
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} { 0 1 } make-track* ;
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M: walker-gadget call-tool* ( continuation walker -- )
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dup reset-walker [
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V{ } clone meta-history set
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restore-normally
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] with-walker ;
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M: walker-gadget tool-help drop "ui-walker" ;
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: walker-inspect ( walker -- )
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walker-gadget-ns [ meta-interp get ] bind
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[ inspect ] curry call-listener ;
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: walker-step-all ( walker -- )
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dup [ step-all ] walker-command reset-walker
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find-workspace listener-gadget select-tool ;
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walker-gadget "toolbar" {
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{ "Step" T{ key-down f f "s" } [ walker-step ] }
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{ "Step in" T{ key-down f f "i" } [ walker-step-in ] }
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{ "Step out" T{ key-down f f "o" } [ walker-step-out ] }
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{ "Step back" T{ key-down f f "b" } [ walker-step-back ] }
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{ "Continue" T{ key-down f f "c" } [ walker-step-all ] }
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{ "Inspect" T{ key-down f f "n" } [ walker-inspect ] }
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} define-commands
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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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