1 ! Copyright (C) 2006 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
4 USING: arrays errors gadgets gadgets-buttons gadgets-frames
5 gadgets-listener gadgets-panes gadgets-scrolling gadgets-text
6 gadgets-tracks gadgets-workspace generic hashtables tools
7 interpreter io kernel kernel-internals listener math models
8 namespaces sequences shells threads vectors ;
10 : <callstack-display> ( model -- )
11 [ [ continuation-call callstack. ] when* ]
12 "Call stack" <labelled-pane> ;
14 : <datastack-display> ( model -- )
15 [ [ continuation-data stack. ] when* ]
16 "Data stack" <labelled-pane> ;
18 : <retainstack-display> ( model -- )
19 [ [ continuation-retain stack. ] when* ]
20 "Retain stack" <labelled-pane> ;
22 : <quotation-display> ( quot -- gadget )
23 [ [ first2 callframe. ] when* ]
24 "Current quotation" <labelled-pane> ;
26 TUPLE: walker-gadget model quot ns ;
28 : update-stacks ( walker -- )
29 meta-interp get over walker-gadget-model set-model
30 meta-callframe swap walker-gadget-quot set-model ;
32 : with-walker ( gadget quot -- )
33 swap dup walker-gadget-ns
34 [ slip update-stacks ] bind ; inline
36 : walker-command ( gadget quot -- )
37 meta-interp pick walker-gadget-ns hash
38 [ with-walker ] [ 2drop ] if ; inline
40 : reset-walker ( walker -- )
41 dup H{ } clone swap set-walker-gadget-ns
44 : walker-step [ step ] walker-command ;
45 : walker-step-in [ step-in ] walker-command ;
46 : walker-step-out [ step-out ] walker-command ;
47 : walker-step-back [ step-back ] walker-command ;
49 : init-walker-models ( walker -- )
50 f <model> over set-walker-gadget-quot
51 f <model> swap set-walker-gadget-model ;
53 : walker-gadget-quot$ gadget get walker-gadget-quot ;
54 : walker-gadget-model$ gadget get walker-gadget-model ;
56 C: walker-gadget ( -- gadget )
57 dup init-walker-models {
58 { [ walker-gadget-quot$ <quotation-display> ] f f 1/6 }
59 { [ walker-gadget-model$ <datastack-display> ] f f 1/4 }
60 { [ walker-gadget-model$ <retainstack-display> ] f f 1/4 }
61 { [ walker-gadget-model$ <callstack-display> ] f f 1/3 }
62 } { 0 1 } make-track* ;
64 M: walker-gadget call-tool* ( continuation walker -- )
66 V{ } clone meta-history set
70 M: walker-gadget tool-help drop "ui-walker" ;
72 : walker-inspect ( walker -- )
73 walker-gadget-ns [ meta-interp get ] bind
74 [ inspect ] curry call-listener ;
76 : walker-step-all ( walker -- )
77 dup [ step-all ] walker-command reset-walker
78 find-workspace listener-gadget select-tool ;
80 walker-gadget "toolbar" {
81 { "Step" T{ key-down f f "s" } [ walker-step ] }
82 { "Step in" T{ key-down f f "i" } [ walker-step-in ] }
83 { "Step out" T{ key-down f f "o" } [ walker-step-out ] }
84 { "Step back" T{ key-down f f "b" } [ walker-step-back ] }
85 { "Continue" T{ key-down f f "c" } [ walker-step-all ] }
86 { "Inspect" T{ key-down f f "n" } [ walker-inspect ] }
89 [ walker-gadget call-tool stop ] break-hook set-global
93 : walk ( quot -- ) [ break ] swap append call ;