factor/library/ui/tools/walker.factor

94 lines
3.0 KiB
Factor

! Copyright (C) 2006 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
IN: gadgets-walker
USING: arrays errors gadgets gadgets-buttons gadgets-frames
gadgets-listener gadgets-panes gadgets-scrolling gadgets-text
gadgets-tracks gadgets-workspace generic hashtables tools
interpreter io kernel kernel-internals listener math models
namespaces sequences shells threads vectors ;
: <callstack-display> ( model -- )
[ [ continuation-call callstack. ] when* ]
"Call stack" <labelled-pane> ;
: <datastack-display> ( model -- )
[ [ continuation-data stack. ] when* ]
"Data stack" <labelled-pane> ;
: <retainstack-display> ( model -- )
[ [ continuation-retain stack. ] when* ]
"Retain stack" <labelled-pane> ;
: <quotation-display> ( quot -- gadget )
[ [ first2 callframe. ] when* ]
"Current quotation" <labelled-pane> ;
TUPLE: walker-gadget model quot ns ;
: update-stacks ( walker -- )
meta-interp get over walker-gadget-model set-model
meta-callframe swap walker-gadget-quot set-model ;
: with-walker ( gadget quot -- )
swap dup walker-gadget-ns
[ slip update-stacks ] bind ; inline
: walker-command ( gadget quot -- )
meta-interp pick walker-gadget-ns hash
[ with-walker ] [ 2drop ] if ; inline
: reset-walker ( walker -- )
dup H{ } clone swap set-walker-gadget-ns
update-stacks ;
: walker-step [ step ] walker-command ;
: walker-step-in [ step-in ] walker-command ;
: walker-step-out [ step-out ] walker-command ;
: walker-step-back [ step-back ] walker-command ;
: init-walker-models ( walker -- )
f <model> over set-walker-gadget-quot
f <model> swap set-walker-gadget-model ;
: walker-gadget-quot$ gadget get walker-gadget-quot ;
: walker-gadget-model$ gadget get walker-gadget-model ;
C: walker-gadget ( -- gadget )
dup init-walker-models {
{ [ walker-gadget-quot$ <quotation-display> ] f f 1/6 }
{ [ walker-gadget-model$ <datastack-display> ] f f 1/4 }
{ [ walker-gadget-model$ <retainstack-display> ] f f 1/4 }
{ [ walker-gadget-model$ <callstack-display> ] f f 1/3 }
} { 0 1 } make-track* ;
M: walker-gadget call-tool* ( continuation walker -- )
dup reset-walker [
V{ } clone meta-history set
restore-normally
] with-walker ;
M: walker-gadget tool-help drop "ui-walker" ;
: walker-inspect ( walker -- )
walker-gadget-ns [ meta-interp get ] bind
[ inspect ] curry call-listener ;
: walker-step-all ( walker -- )
dup [ step-all ] walker-command reset-walker
find-workspace listener-gadget select-tool ;
walker-gadget "toolbar" {
{ "Step" T{ key-down f f "s" } [ walker-step ] }
{ "Step in" T{ key-down f f "i" } [ walker-step-in ] }
{ "Step out" T{ key-down f f "o" } [ walker-step-out ] }
{ "Step back" T{ key-down f f "b" } [ walker-step-back ] }
{ "Continue" T{ key-down f f "c" } [ walker-step-all ] }
{ "Inspect" T{ key-down f f "n" } [ walker-inspect ] }
} define-commands
[ walker-gadget call-tool stop ] break-hook set-global
IN: tools
: walk ( quot -- ) [ break ] swap append call ;