"

stx:goodies/smallsense - A productivity plugin for Smalltalk/X IDE

Copyright (C) 2013-2014 Jan Vrany

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

"

"{ Package: 'stx:goodies/smallsense' }"

"{ NameSpace: SmallSense }"

Object subclass:#Manager

	instanceVariableNames:'classes accessLock updater updaterThread seqno'

	classVariableNames:'Instance'

	poolDictionaries:''

	category:'SmallSense-Smalltalk-Types-Info'

!

!Manager class methodsFor:'documentation'!

copyright

"

stx:goodies/smallsense - A productivity plugin for Smalltalk/X IDE

Copyright (C) 2013-2014 Jan Vrany

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

"

! !

!Manager class methodsFor:'instance creation'!

flush

    "flushes the cached singleton"

    self flushSingleton

    "

     self flushSingleton

    "

    "Created: / 16-12-2011 / 01:37:56 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 21-11-2014 / 17:34:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

flushSingleton

    "flushes the cached singleton"

    ].

    Instance := nil

    "

     self flushSingleton

    "

    "Modified: / 21-11-2014 / 17:34:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

instance

    "returns a singleton"

    Instance isNil ifTrue:[

    ].

    ^ Instance.

    "Created: / 27-11-2011 / 15:30:22 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

new

    "returns a singleton"

    ^ self instance.

    "Modified: / 27-11-2011 / 15:30:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Manager methodsFor:'accessing'!

infoForClass: class

    | info |

    accessLock critical:[

    ].

    ^info

    "Created: / 27-11-2011 / 16:15:00 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

infoForClassOrNil: class

    ^classes at: class name ifAbsent: nil

    "Created: / 27-11-2011 / 17:15:44 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Manager methodsFor:'accessing-private'!

basicInfoForClass: class

    class isNil ifTrue:[^nil].

    ^classes at: class name ifAbsentPut:[

    ].

    "Created: / 27-11-2011 / 16:47:58 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Manager methodsFor:'change & update'!

update:what with:param from:sender

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

    sender ~~ Smalltalk ifTrue:[

    ].

    what == #methodInClass ifTrue:[

    ].

"/    Transcript show: 'SmallSense: Smalltalk changed: ', what , ' with: ', param printString.

    "Modified: / 18-03-2014 / 12:27:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Manager methodsFor:'initialization'!

initialize

    "Invoked when a new instance is created."

    classes := Dictionary new.

    accessLock := Semaphore forMutualExclusion.

    updater priority: Processor userBackgroundPriority - 1.

    ].

    seqno := 0

    "Modified: / 22-10-2013 / 10:56:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

release

    "Invoked when a new instance is created."

    classes := nil.

    accessLock := Semaphore forMutualExclusion.

    updater stopAndRemoveAll.

    ].

    "Created: / 21-11-2014 / 17:36:25 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Manager methodsFor:'updating'!

updateInfoForClass: class

    | info |

    class programmingLanguage isSmalltalk ifFalse:[ ^ self ].

    info := self infoForClassOrNil: class.

    (info isNil or:[(info seqno ? 0) < (seqno - 100)]) ifTrue:[

    ].

    seqno := seqno == SmallInteger maxVal ifTrue: [1] ifFalse:[seqno + 1]

    "Created: / 27-11-2011 / 17:46:57 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 22-10-2013 / 11:38:57 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

updateInfoForMethod: method

    | info |

    method programmingLanguage isSmalltalk ifFalse:[ ^ self ].

    info := self basicInfoForClass: method mclass.

    info isNil ifTrue:[

    ] ifFalse:[

    ]

    "Created: / 28-11-2011 / 19:30:29 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Manager methodsFor:'updating-delayed'!

delayedUpdateInfoForClass: class

    | superclass info instVarNames instVarTypes probe nprobed sourceStream |

    superclass := class superclass.

    superclass notNil ifTrue:[self updateInfoForClass: superclass].

    info := self infoForClass: class.

    info isErrorneous ifTrue:[ ^ self ].

    info seqno: seqno.

    [

    ]

    "Created: / 27-11-2011 / 18:04:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 21-11-2014 / 17:17:15 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

delayedUpdateInfoForClassOrMethod: classOrMethod

    | currentThread |

    currentThread := Processor activeProcess.

    ].

    [

    ] on: Error do:[:ex|

    ]

    "Created: / 27-11-2011 / 18:01:07 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 21-11-2014 / 17:39:17 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

delayedUpdateInfoForMethod: method

    | inferencer |

    [

    "/    Transcript showCR: 'SmallSense: updating info for: ', method printString.

    ]

    "Created: / 27-11-2011 / 18:06:43 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified (format): / 21-11-2014 / 16:55:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Manager class methodsFor:'documentation'!

version_CVS

    ^ '$Header$'

!

version_HG

    ^ '$Changeset: <not expanded> $'

!

version_SVN

    ^ '$Id$'

! !