urbit/pkg/arvo/lib/verb.hoon
Fang ac494a265e
verb: allow subscribing to events
This excludes, necessarily, events that don't let us emit moves.
(+on-save, +on-peek)
2020-05-08 01:46:29 +02:00

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:: Print what your agent is doing.
::
/- verb
::
|= [loud=? =agent:gall]
=| bowl-print=_|
^- agent:gall
|^ !.
|_ =bowl:gall
+* this .
ag ~(. agent bowl)
::
++ on-init
^- (quip card:agent:gall agent:gall)
%- (print bowl "{<dap.bowl>}: on-init")
=^ cards agent on-init:ag
[[(emit-event %on-init ~) cards] this]
::
++ on-save
^- vase
%- (print bowl "{<dap.bowl>}: on-save")
on-save:ag
::
++ on-load
|= old-state=vase
^- (quip card:agent:gall agent:gall)
%- (print bowl "{<dap.bowl>}: on-load")
=^ cards agent (on-load:ag old-state)
[[(emit-event %on-load ~) cards] this]
::
++ on-poke
|= [=mark =vase]
^- (quip card:agent:gall agent:gall)
%- (print bowl "{<dap.bowl>}: on-poke with mark {<mark>}")
?: ?=(%verb mark)
?- !<(?(%loud %bowl) vase)
%loud `this(loud !loud)
%bowl `this(bowl-print !bowl-print)
==
=^ cards agent (on-poke:ag mark vase)
[[(emit-event %on-poke mark) cards] this]
::
++ on-watch
|= =path
^- (quip card:agent:gall agent:gall)
%- (print bowl "{<dap.bowl>}: on-watch on path {<path>}")
=^ cards agent
?: ?=([%verb %events ~] path)
[~ agent]
(on-watch:ag path)
[[(emit-event %on-watch path) cards] this]
::
++ on-leave
|= =path
^- (quip card:agent:gall agent:gall)
%- (print bowl "{<dap.bowl>}: on-leave on path {<path>}")
?: ?=([%verb %event ~] path)
[~ this]
=^ cards agent (on-leave:ag path)
[[(emit-event %on-leave path) cards] this]
::
++ on-peek
|= =path
^- (unit (unit cage))
%- (print bowl "{<dap.bowl>}: on-peek on path {<path>}")
(on-peek:ag path)
::
++ on-agent
|= [=wire =sign:agent:gall]
^- (quip card:agent:gall agent:gall)
%- (print bowl "{<dap.bowl>}: on-agent on wire {<wire>}, {<-.sign>}")
=^ cards agent (on-agent:ag wire sign)
[[(emit-event %on-agent wire -.sign) cards] this]
::
++ on-arvo
|= [=wire =sign-arvo]
^- (quip card:agent:gall agent:gall)
%- (print bowl "{<dap.bowl>}: on-arvo on wire {<wire>}, {<[- +<]:sign-arvo>}")
=^ cards agent (on-arvo:ag wire sign-arvo)
[[(emit-event %on-arvo wire [- +<]:sign-arvo) cards] this]
::
++ on-fail
|= [=term =tang]
^- (quip card:agent:gall agent:gall)
%- (print bowl "{<dap.bowl>}: on-fail with term {<term>}")
=^ cards agent (on-fail:ag term tang)
[[(emit-event %on-fail term) cards] this]
--
::
++ print
|= [=bowl:gall =tape]
^+ same
=? . bowl-print
%- (slog >bowl< ~)
.
?. loud same
%- (slog leaf+tape ~)
same
::
++ emit-event
|= =event:verb
^- card:agent:gall
[%give %fact ~[/verb/events] %verb-event !>(event)]
--