"

 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' }"

Object subclass:#JavaUnresolvedConstant

	instanceVariableNames:'nextUnresolved prevUnresolved constantPool constantPoolIndex'

	classVariableNames:'PatchLists'

	poolDictionaries:''

	category:'Languages-Java-Reader-Support'

!

!JavaUnresolvedConstant 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.

"

! !

!JavaUnresolvedConstant class methodsFor:'instance creation'!

pool:aPool poolIndex:index

    ^ self new 

        pool:aPool poolIndex:index

! !

!JavaUnresolvedConstant class methodsFor:'queries'!

countUnresolved

    |u cnt|

    cnt := 0.

    PatchLists do:[:patchList |

        u := patchList.

        [u notNil] whileTrue:[

            cnt := cnt + 1.

            u := u nextUnresolved

        ]

    ].

    ^ cnt

    "

     self countUnresolved 

    "

! !

!JavaUnresolvedConstant class methodsFor:'resolving'!

flushPatchLists

    PatchLists := nil

!

patchLists

    "return a collection of patchInfos for unresolved names"

    ^ PatchLists ? #()

    "Created: / 20.10.1998 / 17:40:19 / cg"

!

resolveFor:aJavaClass

    "a JAVA class has been loaded - resolve what can be"

    |patchList unresolved nameSymbol|

"/ 'resolving: ' print. aJavaClass fullName printCR.

    PatchLists isNil ifTrue:[^ self].

    nameSymbol := aJavaClass fullName asSymbol.

    patchList := PatchLists at:nameSymbol ifAbsent:nil.

    patchList notNil ifTrue:[

        PatchLists removeKey:nameSymbol.

        [patchList notNil] whileTrue:[

            unresolved := patchList.

            patchList := unresolved nextUnresolved.

            unresolved prevUnresolved:nil.

            unresolved nextUnresolved:nil.

            unresolved preResolve.

        ]

    ].

!

unresolvedClassNames

    "return a collection of unresolved class names"

    |l|

    PatchLists isNil ifTrue:[^ #()].

    "/ kludge - ignore those primitive classes ...

    l := PatchLists keys 

             select:[:clsName |

                (clsName == #char

                or:[clsName == #float

                or:[clsName == #double

                or:[clsName == #'unsigned short'

                or:[clsName == #long

                or:[clsName == #boolean]]]]]) not

             ].

    ^ l

    "

     self unresolvedClassNames 

    "

    "Modified: 17.8.1997 / 20:06:46 / cg"

! !

!JavaUnresolvedConstant methodsFor:'accessing'!

constantPool

    ^ constantPool

    "Created: 15.4.1996 / 15:59:45 / cg"

!

constantPool:aPool

    constantPool := aPool

    "Created: 7.4.1997 / 16:13:02 / cg"

!

constantPoolIndex

    ^ constantPoolIndex

    "Created: 15.4.1996 / 15:59:45 / cg"

!

nextUnresolved

    ^ nextUnresolved

!

nextUnresolved:anUnresolvedConstant

    nextUnresolved := anUnresolvedConstant

!

pool:aPool poolIndex:i

    constantPool := aPool.

    constantPoolIndex := i

    "Created: 15.4.1996 / 15:59:45 / cg"

!

prevUnresolved:anUnresolvedConstant

    prevUnresolved := anUnresolvedConstant

! !

!JavaUnresolvedConstant methodsFor:'printing & storing'!

displayString

    ^ (self class name) , '( idx= ' , constantPoolIndex printString , ')'

! !

!JavaUnresolvedConstant methodsFor:'queries'!

isJavaMethodRef

    ^ false

    "Created: / 14.11.1999 / 15:51:33 / cg"

!

isUnresolved

    ^ true

!

isUnresolvedClass

    ^ false

    "Created: / 20.10.1998 / 17:43:27 / cg"

!

isUnresolvedMethod

    ^ false

    "Created: / 20.10.1998 / 17:43:07 / cg"

! !

!JavaUnresolvedConstant methodsFor:'resolving'!

preResolve

    self subclassResponsibility.

    ^ self

!

rememberForResolveWith:aFullClassName

    |patchList nameSymbol|

    prevUnresolved notNil ifTrue:[^ self].

    PatchLists isNil ifTrue:[

        PatchLists := IdentityDictionary new.

    ].

    nameSymbol := aFullClassName asSymbol.

    patchList := PatchLists at:nameSymbol ifAbsent:nil.

    patchList isNil ifTrue:[

"/        ('first patch for: ' , aFullClassName) printCR.

    ] ifFalse:[

        patchList prevUnresolved:self.

        nextUnresolved := patchList.

    ].

    PatchLists at:nameSymbol put:self.

    prevUnresolved := #startOfList.

! !

!JavaUnresolvedConstant methodsFor:'special'!

updateClassRefsFrom:oldClass to:newClass

    "Created: 7.8.1997 / 18:21:19 / cg"

! !

!JavaUnresolvedConstant class methodsFor:'documentation'!

version

    ^ '$Header: /cvs/stx/stx/libjava/JavaUnresolvedConstant.st,v 1.12 2002-11-22 20:11:32 cg Exp $'

! !