"
COPYRIGHT (c) 1997 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
"{ Package: 'stx:libjava' }"
Array variableSubclass:#JavaConstantPool
instanceVariableNames:'owner'
classVariableNames:'ConstantPools'
poolDictionaries:''
category:'Languages-Java-Reader-Support'
!
!JavaConstantPool class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 1997 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
! !
!JavaConstantPool class methodsFor:'initialization'!
initialize
ConstantPools := OrderedCollection new: 1000.
"Modified: / 08-04-2011 / 17:28:07 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
"Modified: / 09-04-2011 / 09:25:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !
!JavaConstantPool class methodsFor:'instance creation'!
new: size
"return an initialized instance"
^ ConstantPools add: ((super new: size)
initialize;
yourself).
"Created: / 08-04-2011 / 16:56:18 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
"Modified: / 09-04-2011 / 09:24:56 / Jan Vrany <jan.vrany@fit.cvut.cz>"
"Modified: / 11-04-2011 / 18:46:54 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
! !
!JavaConstantPool class methodsFor:'accessing'!
allConstantPools
"linked list of all constant pools in system"
^ ConstantPools.
"Created: / 08-04-2011 / 16:53:58 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
"Modified: / 09-04-2011 / 09:24:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
allConstantPools: anOorderedCollection
"linked list of all constant pools in system"
ConstantPools := anOorderedCollection.
"Created: / 08-04-2011 / 17:07:28 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
"Modified: / 09-04-2011 / 09:24:16 / Jan Vrany <jan.vrany@fit.cvut.cz>"
"Modified: / 11-04-2011 / 18:47:58 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
! !
!JavaConstantPool class methodsFor:'special'!
compressPools
"unify all constants"
|strings nameandTypes jStrings|
strings := Set new.
nameandTypes := Set new.
self allInstancesDo:[:aPool |
aPool keysAndValuesDo:[:idx :aConst |
|existing nt|
aConst isString ifTrue:[
existing := strings elementAt:aConst ifAbsent:nil.
existing isNil ifTrue:[
strings add:aConst
] ifFalse:[
aPool at:idx put:existing
]
] ifFalse:[
(aConst isMemberOf:JavaFieldref) ifTrue:[
nt := aConst nameandType.
existing := nameandTypes elementAt:nt ifAbsent:nil.
existing isNil ifTrue:[
nameandTypes add:nt
] ifFalse:[
aConst nameandType:existing
]
] ifFalse:[
(aConst isMemberOf:JavaNameandType) ifTrue:[
existing := nameandTypes elementAt:aConst ifAbsent:nil.
existing isNil ifTrue:[
nameandTypes add:aConst
] ifFalse:[
aPool at:idx put:existing
]
]
]
]
].
]
"
self compressPools
"
"Modified: 19.8.1997 / 14:04:25 / cg"
!
invalidateForClass: internalJavaClassName
"Only alias, everybody calls invalidateForClass so why not me :)"
^self invalidateReferencesToClass: internalJavaClassName.
"Created: / 08-04-2011 / 16:52:52 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
!
invalidateReferencesToClass: internalJavaClassName
"Go over all constant pools and call invalidateForClass on all
references. (usable when given class was unloaded etc)"
ConstantPools do: [:each | each invalidateForClass: internalJavaClassName].
"Created: / 08-04-2011 / 16:09:03 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
! !
!JavaConstantPool methodsFor:'accessing'!
owner
"return owner"
^ owner
"Created: 28.6.1996 / 21:12:22 / cg"
!
owner:something
"set owner"
owner := something.
"Created: 28.6.1996 / 21:12:22 / cg"
! !
!JavaConstantPool methodsFor:'initialization'!
initialize
"Invoked when a new instance is created."
"/ please change as required (and remove this comment)
"/ owner := nil.
"/ super initialize. -- commented since inherited method does nothing
! !
!JavaConstantPool methodsFor:'printing & storing'!
displayString
owner isNil ifTrue:[
^ '*** unowned ConstantPool'
].
^ 'ConstantPool of ' , owner fullName
"Created: 28.6.1996 / 21:13:41 / cg"
"Modified: 28.6.1996 / 21:20:26 / cg"
! !
!JavaConstantPool methodsFor:'queries'!
refersToMethod:aJavaMethod
self do:[:constItem |
(constItem == aJavaMethod) ifTrue:[^ true].
(constItem isMemberOf:JavaMethodref) ifTrue:[
self halt.
].
(constItem isMemberOf:JavaUnresolvedMethodrefConstant) ifTrue:[
self halt.
]
].
^ false
"Modified: 29.7.1997 / 17:36:49 / cg"
"Created: 29.7.1997 / 17:39:19 / cg"
!
refersToMethodNamed:aJavaMethodName
self do:[:constItem |
(constItem isKindOf:JavaMethod) ifTrue:[
constItem name = aJavaMethodName ifTrue:[^ true].
] ifFalse:[
(constItem isMemberOf:JavaMethodref) ifTrue:[
constItem name = aJavaMethodName ifTrue:[^ true].
].
(constItem isMemberOf:JavaUnresolvedMethodrefConstant) ifTrue:[
self halt.
]
]
].
^ false
"Created: / 29.7.1997 / 17:39:24 / cg"
"Modified: / 16.10.1998 / 01:22:02 / cg"
! !
!JavaConstantPool methodsFor:'special'!
classReferencesDo:aBlock
self do:[:constItem |
constItem isJavaClass ifTrue:[
aBlock value:constItem
]
]
"Modified: / 7.8.1997 / 19:17:38 / cg"
"Created: / 4.1.1998 / 00:40:11 / cg"
!
invalidateForClass: internalJavaClassName
"go over all entries and call invalidateForClass on all references"
self do: [:entry | entry isJavaRef ifTrue:[entry invalidateForClass: internalJavaClassName]].
"Created: / 08-04-2011 / 16:11:36 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
!
updateClassRefsFrom:oldClass to:newClass
owner == oldClass ifTrue:[
self halt.
^ self
].
self keysAndValuesDo:[:index :constItem |
|nameIndex|
constItem == oldClass ifTrue:[
self at:index put:newClass
] ifFalse:[
(constItem isNil
or:[constItem isNumber]) ifFalse:[
constItem isString ifTrue:[
"/ nothing done ...
] ifFalse:[
(constItem isMemberOf:(Java java_lang_String)) ifTrue:[
"/ nothing done ...
] ifFalse:[
constItem isBehavior ifFalse:[
constItem updateClassRefsFrom:oldClass to:newClass
] ifTrue:[
constItem isJavaClass ifTrue:[
constItem fullName = oldClass fullName ifTrue:[
'JAVA: class update by name [in pool].' infoPrintCR.
newClass isNil ifTrue:[
"/ mhm - must find a slot for the classes name
nameIndex := -1.
self
at:index
put:(JavaUnresolvedClassConstant
pool:self
poolIndex:index
nameIndex:nameIndex)
] ifFalse:[
self at:index put:newClass
]
]
]
]
]
]
]
]
]
"Modified: / 4.2.1998 / 22:12:03 / cg"
! !
!JavaConstantPool class methodsFor:'documentation'!
version
^ '$Id$'
!
version_SVN
^ '$Id$'
! !
JavaConstantPool initialize!