"{ Package: 'jv:libgdbs' }"

"{ NameSpace: Smalltalk }"

GDBDebuggerObject subclass:#GDBThread

	instanceVariableNames:'id group status info stack'

	classVariableNames:''

	poolDictionaries:''

	category:'GDB-Core'

!

!GDBThread class methodsFor:'instance creation'!

newWithDebugger: debugger id: id group: group

    ^ self new

        setDebugger: debugger;

        setId: id;

        setGroup: group;

        yourself.

    "Created: / 07-09-2014 / 21:33:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread class methodsFor:'accessing - GDB value descriptors'!

description

    ^ (super description)

        define:#id as:Integer;

        yourself

    "Created: / 06-09-2014 / 02:21:07 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread methodsFor:'accessing'!

group

    ^ group

!

id

    ^ id

    "Created: / 07-09-2014 / 22:41:29 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

name

    ^ self targetId

    "Created: / 10-03-2015 / 00:32:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

stack

    self ensureIsStopped.

    stack isNil ifTrue:[

        stack := GDBTransientDataHolder debugger: debugger factory:[ 

            | result depth frames |

            depth := result propertyAt: #depth.

            frames := result propertyAt: #stack.

            frames do:[:each | 

                each debugger: debugger.

                each propertyAt: #thread put: self 

            ].

            frames

        ].

    ].

    ^ stack value

    "Created: / 09-09-2014 / 00:02:45 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

status

    status isUnknown ifTrue:[ 

        status := self info state

    ].

    ^ status

    "Modified: / 12-07-2017 / 13:36:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

targetId

    ^ self info targetId

    "Created: / 10-03-2015 / 00:32:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread methodsFor:'accessing-private'!

info

    info isNil ifTrue:[

        info := GDBTransientDataHolder debugger: debugger factory:[ 

            | result infos |

            infos := result propertyAt: #threads.

            self assert: (infos isEmptyOrNil or:[ infos size == 1 and:[ infos first id = id ] ]).

            infos isEmptyOrNil 

                ifTrue:[ GDBThreadInfo new setId: id state: GDBThreadStateTerminated theOneAndOnlyInstance ] 

                ifFalse:[ infos first ]

        ].

    ].

    ^ info value

    "Created: / 08-03-2015 / 09:07:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread methodsFor:'displaying'!

displayString

    ^ '%1 [%2]' bindWith: self name with: self status

    "Created: / 10-03-2015 / 00:32:47 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread methodsFor:'event handling'!

onRunningEvent: aGDBRunningEvent

    self assert: (aGDBRunningEvent threads includesIdentical: self).

    status := GDBThreadStateRunning theOneAndOnlyInstance.

    "Created: / 12-07-2017 / 13:50:02 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

onStoppedEvent: aGDBStoppedEvent

    self assert: (aGDBStoppedEvent threads includesIdentical: self).

    status := GDBThreadStateStopped theOneAndOnlyInstance.

    "Created: / 12-07-2017 / 13:50:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread methodsFor:'initialization'!

setGroup: aGDBThreadGroup

    self assert: group isNil.

    group := aGDBThreadGroup.

    "Created: / 07-09-2014 / 21:32:07 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

setId: tid

    self assert: id isNil.

    id := tid.

    "Created: / 07-09-2014 / 21:31:30 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-03-2015 / 09:08:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

setStatus: aGDBThreadState

    status := aGDBThreadState

    "Created: / 12-07-2017 / 13:43:34 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

setTerminated

    "Created: / 07-09-2014 / 21:37:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-03-2015 / 09:08:39 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread methodsFor:'printing & storing'!

printOn:aStream

    "append a printed representation if the receiver to the argument, aStream"

    aStream nextPutAll:'thread  '.

    id printOn:aStream.

"/    aStream nextPutAll:'in group '.

"/    group id printOn:aStream.

    aStream nextPutAll:' ['.

    self status printOn:aStream.

    aStream nextPutAll:']'.

    "Modified: / 08-03-2015 / 09:07:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread methodsFor:'private'!

ensureIsStopped

    self isStopped ifFalse:[

        (GDBInvalidObject newException)

            parameter:self;

            messageText:'Invalid state (thread is running or already dead)';

            raise.

    ].

    "Created: / 09-09-2014 / 00:04:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 16-09-2014 / 23:51:09 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread methodsFor:'testing'!

isDead

    ^ self status isTerminated

    "Created: / 22-09-2014 / 00:54:14 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-03-2015 / 12:35:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isRunning

    ^ self status isRunning

    "Created: / 07-09-2014 / 23:23:24 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-03-2015 / 09:08:49 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isStopped

    ^ self status isStopped

    "Created: / 07-09-2014 / 23:23:36 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-03-2015 / 09:08:52 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isTerminated

    ^ self status isTerminated

    "Created: / 07-09-2014 / 23:23:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-03-2015 / 09:08:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!GDBThread class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'

! !