"

jv:vdb - Visual / VM Debugger

Copyright (C) 2015-now Jan Vrany

This software is licensed under 'Creative Commons Attribution-NonCommercial 4.0 International License'

You may find a full license text in LICENSE.txt or at http://creativecommons.org/licenses/by-nc/4.0/

"

"{ Package: 'jv:vdb' }"

"{ NameSpace: Smalltalk }"

VDBAbstractTreeApplication subclass:#VDBStackApplication

	instanceVariableNames:'selectedThreadGroupHolder selectedThreadHolder

		selectedFrameHolder'

	classVariableNames:''

	poolDictionaries:''

	category:'VDB-UI-Others'

!

!VDBStackApplication class methodsFor:'documentation'!

copyright

"

jv:vdb - Visual / VM Debugger

Copyright (C) 2015-now Jan Vrany

This software is licensed under 'Creative Commons Attribution-NonCommercial 4.0 International License'

You may find a full license text in LICENSE.txt or at http://creativecommons.org/licenses/by-nc/4.0/

"

! !

!VDBStackApplication class methodsFor:'accessing'!

windowTitle

    ^ 'Backtrace'

    "Created: / 11-07-2017 / 16:37:34 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBStackApplication class methodsFor:'plugIn spec'!

aspectSelectors

    "This resource specification was automatically generated

     by the UIPainter of ST/X."

    "Do not manually edit this. If it is corrupted,

     the UIPainter may not be able to read the specification."

    "Return a description of exported aspects;

     these can be connected to aspects of an embedding application

     (if this app is embedded in a subCanvas)."

    ^ #(

        #debuggerHolder

        #selectedFrameHolder

        #selectedThreadGroupHolder

        #selectedThreadHolder

      ).

! !

!VDBStackApplication methodsFor:'aspects'!

foregroundColorFor: aVDBAbstractPresenter

    ^ (aVDBAbstractPresenter isFramePresenter and:[ aVDBAbstractPresenter frame thread isStopped not])

        ifTrue:[  Color gray ]

        ifFalse:[ nil ]

    "Created: / 26-06-2018 / 13:06:05 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 04-07-2018 / 13:13:43 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

selectedFrameHolder

    "return/create the 'selectionHolder' value holder (automatically generated)"

    selectedFrameHolder isNil ifTrue:[

        selectedFrameHolder := ValueHolder new.

        selectedFrameHolder addDependent:self.

    ].

    ^ selectedFrameHolder

    "Created: / 21-09-2014 / 23:51:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

selectedFrameHolder:aValueModel

    "set the 'selectionHolder' value holder (automatically generated)"

    |oldValue newValue|

    selectedFrameHolder notNil ifTrue:[

        oldValue := selectedFrameHolder value.

        selectedFrameHolder removeDependent:self.

    ].

    selectedFrameHolder := aValueModel.

    selectedFrameHolder notNil ifTrue:[

        selectedFrameHolder addDependent:self.

    ].

    newValue := selectedFrameHolder value.

    oldValue ~~ newValue ifTrue:[

        self update:#value with:newValue from:selectedFrameHolder.

    ].

    "Created: / 21-09-2014 / 23:50:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

selectedThreadGroupHolder

    "return/create the 'selectedThreadGroupHolder' value holder (automatically generated)"

    selectedThreadGroupHolder isNil ifTrue:[

        selectedThreadGroupHolder := ValueHolder new.

        selectedThreadGroupHolder addDependent:self.

    ].

    ^ selectedThreadGroupHolder

!

selectedThreadGroupHolder:something

    "set the 'selectedThreadGroupHolder' value holder (automatically generated)"

    |oldValue newValue|

    selectedThreadGroupHolder notNil ifTrue:[

        oldValue := selectedThreadGroupHolder value.

        selectedThreadGroupHolder removeDependent:self.

    ].

    selectedThreadGroupHolder := something.

    selectedThreadGroupHolder notNil ifTrue:[

        selectedThreadGroupHolder addDependent:self.

    ].

    newValue := selectedThreadGroupHolder value.

    oldValue ~~ newValue ifTrue:[

        self update:#value with:newValue from:selectedThreadGroupHolder.

    ].

!

selectedThreadHolder

    "return/create the 'selectedThreadHolder' value holder (automatically generated)"

    selectedThreadHolder isNil ifTrue:[

        selectedThreadHolder := ValueHolder new.

        selectedThreadHolder addDependent:self.

    ].

    ^ selectedThreadHolder

!

selectedThreadHolder:something

    "set the 'selectedThreadHolder' value holder (automatically generated)"

    |oldValue newValue|

    selectedThreadHolder notNil ifTrue:[

        oldValue := selectedThreadHolder value.

        selectedThreadHolder removeDependent:self.

    ].

    selectedThreadHolder := something.

    selectedThreadHolder notNil ifTrue:[

        selectedThreadHolder addDependent:self.

    ].

    newValue := selectedThreadHolder value.

    oldValue ~~ newValue ifTrue:[

        self update:#value with:newValue from:selectedThreadHolder.

    ].

! !

!VDBStackApplication methodsFor:'change & update'!

enqueueUpdateAfterThreadStopped:aGDBThread 

    self enqueueDelayedUpdate:#delayedUpdateAfterThreadStopped:

        with:aGDBThread

    "Created: / 22-09-2014 / 23:15:14 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 17-01-2018 / 06:52:50 / jv"

!

update:aspect with:param from:sender

    "Invoked when an object that I depend upon sends a change notification."

    "stub code automatically generated - please change as required"

    sender == selectedFrameHolder ifTrue:[

         self updateInternalSelection.

         ^ self.

    ].

    super update:aspect with:param from:sender

    "Modified: / 27-02-2015 / 15:44:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

updateInternalSelection

    | frame presenter |

    frame := self selectedFrameHolder value.

    presenter := self internalListHolder value detect:[:e | e subject == frame ] ifNone:[ nil ].

    self internalSelectionHolder

        value: presenter

        withoutNotifying: self.

    "Created: / 20-09-2014 / 23:05:57 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified (format): / 30-07-2018 / 07:40:57 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

updateSelection

    | internalSelection frame thread group |

    internalSelection := self internalSelectionHolder value.

    internalSelection notNil ifTrue:[ 

        internalSelection isFramePresenter ifTrue:[

            frame := internalSelection frame.

            thread := frame thread.

            group := thread group.

        ] ifFalse:[ 

            internalSelection isThreadPresenter ifTrue:[ 

                thread := internalSelection thread.

                group := thread group.

            ] ifFalse:[  

                group := internalSelection threadGroup.

            ]

        ].

    ].

    self selectedThreadGroupHolder value: group withoutNotifying: self.

    self selectedThreadHolder value: thread withoutNotifying: self.

    self selectedFrameHolder value: frame withoutNotifying: self.

    "Created: / 20-09-2014 / 23:10:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 22-09-2014 / 00:17:58 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBStackApplication methodsFor:'change & update-delayed'!

delayedUpdateAfterThreadStopped:thread 

    "/ It may happen that by te time we get here the thread is running

    "/ again, so care for this.

    thread isStopped ifTrue:[

        |threadP framePs frameP|

        threadP := self internalListHolder value root 

                recursiveDetect:[:e | e isThreadPresenter and:[ e thread == thread ] ].

        framePs := threadP children.

        framePs notEmpty ifTrue:[

            frameP := threadP children first.

            frameP parent expand.

            self internalSelectionHolder value:frameP

        ].

    ].

    "Created: / 22-09-2014 / 23:21:27 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 06-07-2017 / 08:56:00 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 16-01-2018 / 20:22:04 / jv"

!

delayedUpdateInternalList

    | root  list |

    debugger isNil ifTrue:[

        self internalListHolder root children:#().

        ^ self.

    ].

    root := self internalListHolder root.

    list := debugger inferiors 

            select:[:inferior | true "inferior isRunning or:[ inferior isStopped ]" ]

            thenCollect:[:inferior | 

                (VDBThreadGroupPresenter new)

                    setThreadGroup:inferior;

                    parent:root

            ].

    root children:list.

    root expand.

    root children size == 1 ifTrue:[

        root children anElement expand.

        root children anElement children size == 1 ifTrue:[

            root children anElement children anElement expand.

        ]

    ].

    self delayedInvalidateInternalList

    "Created: / 20-09-2014 / 23:05:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 09-04-2018 / 19:52:25 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

delayedUpdateSelection

    | internalSelection frame thread group |

    internalSelection := self internalSelectionHolder value.

    internalSelection notNil ifTrue:[ 

        internalSelection isFramePresenter ifTrue:[

            frame := internalSelection frame.

            thread := frame thread.

            group := thread group.

        ] ifFalse:[ 

            internalSelection isThreadPresenter ifTrue:[ 

                thread := internalSelection thread.

                group := thread group.

            ] ifFalse:[  

                group := internalSelection threadGroup.

            ]

        ].

    ].

    self selectedThreadGroupHolder value: group withoutNotifying: self.

    self selectedThreadHolder value: thread withoutNotifying: self.

    self selectedFrameHolder value: frame withoutNotifying: self.

    "Created: / 27-02-2015 / 15:33:38 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBStackApplication methodsFor:'event handling'!

onRunningEvent: event

    self selectedFrameHolder value notNil ifTrue:[ 

        self internalSelectionHolder value: nil.

    ].

    self delayedInvalidateInternalList

    "Created: / 30-09-2014 / 00:02:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 17-01-2018 / 06:59:11 / jv"

    "Modified: / 09-04-2018 / 20:43:42 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

onStoppedEvent: event

    | stoppedThread |

    self enqueueDelayedUpdateInternalList.

    stoppedThread := event stoppedThread.

    stoppedThread notNil ifTrue:[

        self enqueueUpdateAfterThreadStopped:event stoppedThread.

    ].

    "Created: / 17-09-2014 / 23:04:24 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 22-09-2014 / 23:26:52 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 15-01-2018 / 11:51:51 / jv"

!

onThreadGroupExitedEvent: event

    self enqueueDelayedUpdateInternalList.

    "Created: / 18-09-2014 / 23:30:32 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 20-09-2014 / 23:08:22 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

onThreadGroupStartedEvent: event

    self enqueueDelayedUpdateInternalList.

    "Created: / 02-03-2015 / 06:42:35 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBStackApplication methodsFor:'initialization & release'!

subscribe   

    "Register for debugger events. To be overrided by subclasses"

    debugger announcer

        when: GDBRunningEvent               send: #onRunningEvent: to: self;

        when: GDBStoppedEvent               send: #onStoppedEvent: to: self;

        when: GDBThreadGroupStartedEvent    send: #onThreadGroupStartedEvent: to: self;

        when: GDBThreadGroupExitedEvent     send: #onThreadGroupExitedEvent: to: self

    "Created: / 07-06-2014 / 14:33:16 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 02-03-2015 / 06:42:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 17-01-2018 / 06:56:46 / jv"

! !

!VDBStackApplication methodsFor:'queries'!

canSelect: anItem

    ^ anItem isFramePresenter not or:[ anItem frame thread isStopped ]

    "Created: / 09-04-2018 / 20:52:56 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBStackApplication class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'

! !