"

jv:libgdbs - GNU Debugger Interface Library

Copyright (C) 2015-now Jan Vrany

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the 'Software'), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.

"

"{ Package: 'jv:libgdbs' }"

"{ NameSpace: Smalltalk }"

StrongSubscription subclass:#GDBEventSubscription

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:'GDBDebugFlags'

!

!GDBEventSubscription class methodsFor:'documentation'!

copyright

"

jv:libgdbs - GNU Debugger Interface Library

Copyright (C) 2015-now Jan Vrany

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the 'Software'), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.

"

! !

!GDBEventSubscription class methodsFor:'private'!

blockFor: anObject withSelector: aSelector

    | args |

    args := aSelector numArgs.      

    anObject isView ifTrue:[ 

        args = 0 ifTrue: [ ^[ anObject pushEvent: aSelector ] ].

        args = 1 ifTrue: [ ^[ :anAnnouncement | anObject pushEvent: aSelector with: anAnnouncement ] ].

        args = 2 ifTrue: [ ^[ :anAnnouncement :anAnnouncer | anObject pushEvent: aSelector with: anAnnouncement with: anAnnouncer ] ].

        self error: 'Couldn''t create block'.        

    ].

    "/ If the observer (receiver of events) is an application,

    "/ then push the event processing to application's event

    "/ queue. This avoids blocking of event dispatcher and ensures

    "/ that UI is synchronized.

    "/

    "/ However, we must be carefull since application windows may 

    "/ not yet be opened or fully initialized so we have to check

    "/ for existence of sensor. If application/window is not fully 

    "/ initialized, process the event as usual.

    (anObject isKindOf: ApplicationModel) ifTrue:[

        args = 0 ifTrue: [  ^[ anObject enqueueMessage: aSelector ] ].

        args = 1 ifTrue: [  ^[ :anAnnouncement | anObject enqueueMessage: aSelector with: anAnnouncement ] ].

        args = 1 ifTrue: [  ^[ :anAnnouncement :anAnnouncer | anObject enqueueMessage: aSelector arguments: (Array with: anAnnouncement with: anAnnouncer) ] ].

        self error: 'Couldn''t create block'.        

    ].

    ^ super blockFor: anObject withSelector: aSelector

    "Created: / 18-09-2014 / 00:10:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 01-10-2018 / 17:30:56 / jv"

    "Modified: / 18-02-2019 / 10:35:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBEventSubscription methodsFor:'delivery'!

deliver: anAnnouncement from: anAnnouncer

    TraceEvents ifTrue: [ 

        Logger log: ('event loop: delivering %1 to %2' bindWith: anAnnouncement with: action printString) severity: #trace facility: 'GDB'.

    ].

    ^action cull: anAnnouncement cull: anAnnouncer

    "Created: / 29-03-2021 / 11:54:10 / Jan Vrany <jan.vrany@labware.com>"

!

value: anAnnouncement

    interceptors isNil ifTrue: [ ^ self deliver: anAnnouncement from: self ].

    interceptors do: [ :each |

            each cull: anAnnouncement cull: announcer cull: self ]

    "Created: / 29-03-2021 / 11:51:51 / Jan Vrany <jan.vrany@labware.com>"

! !

!GDBEventSubscription class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'

! !