factor/basis/ui/tools/debugger/debugger.factor

101 lines
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Factor

! Copyright (C) 2006, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays hashtables io kernel math models
colors.constants namespaces sequences sequences words continuations
debugger prettyprint help editors fonts ui ui.commands ui.gestures
ui.gadgets ui.pens.solid ui.gadgets.worlds ui.gadgets.packs
ui.gadgets.buttons ui.gadgets.labels ui.gadgets.panes
ui.gadgets.presentations ui.gadgets.viewports ui.gadgets.tables
ui.gadgets.tracks ui.gadgets.scrollers ui.gadgets.panes
ui.gadgets.borders ui.gadgets.status-bar ui.tools.traceback
ui.tools.inspector ui.tools.browser ;
IN: ui.tools.debugger
TUPLE: debugger < track error restarts restart-hook restart-list continuation ;
<PRIVATE
SINGLETON: restart-renderer
M: restart-renderer row-columns
drop [ name>> ] [ "Abort" ] if* "• " prepend 1array ;
: <restart-list> ( debugger -- gadget )
dup restarts>> f prefix <model> restart-renderer <table>
[ [ \ restart invoke-command ] when* ] >>action
swap restart-hook>> >>hook
t >>selection-required?
t >>single-click? ; inline
: <error-pane> ( error -- pane )
<pane> [ [ print-error ] with-pane ] keep ; inline
: <error-display> ( debugger -- gadget )
[ <filled-pile> ] dip
[ error>> <error-pane> add-gadget ]
[
dup restart-hook>> [
[ "To continue, pick one of the options below:" <label> add-gadget ] dip
restart-list>> add-gadget
] [ drop ] if
] bi ;
PRIVATE>
: <debugger> ( error continuation restarts restart-hook -- debugger )
vertical debugger new-track
{ 3 3 } >>gap
swap >>restart-hook
swap >>restarts
swap >>continuation
swap >>error
add-toolbar
dup <restart-list> >>restart-list
dup <error-display> f track-add
COLOR: white <solid> >>interior ;
M: debugger focusable-child*
dup restart-hook>> [ restart-list>> ] [ drop t ] if ;
: debugger-window ( error continuation -- )
#! No restarts for the debugger window
f f <debugger> "Error" open-status-window ;
GENERIC: error-in-debugger? ( error -- ? )
M: world-error error-in-debugger? world>> gadget-child debugger? ;
M: object error-in-debugger? drop f ;
[
dup error-in-debugger?
[ rethrow ] [ error-continuation get debugger-window ] if
] ui-error-hook set-global
M: world-error error.
"An error occurred while drawing the world " write
dup world>> pprint-short "." print
"This world has been deactivated to prevent cascading errors." print
error>> error. ;
debugger "gestures" f {
{ T{ button-down } request-focus }
} define-command-map
: com-inspect ( debugger -- ) error>> inspector ;
: com-traceback ( debugger -- ) continuation>> traceback-window ;
: com-help ( debugger -- ) error>> error-help-window ;
: com-edit ( debugger -- ) error>> (:edit) ;
\ com-edit H{ { +listener+ t } } define-command
debugger "toolbar" f {
{ T{ key-down f { C+ } "i" } com-inspect }
{ T{ key-down f { C+ } "t" } com-traceback }
{ T{ key-down f { C+ } "h" } com-help }
{ T{ key-down f { C+ } "e" } com-edit }
} define-command-map