"
 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 subclass:#JavaUnresolvedClassConstant
	instanceVariableNames:'nameIndex fullName'
	classVariableNames:''
	poolDictionaries:''
	category:'Java-Reader-Support'
!

!JavaUnresolvedClassConstant 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.
"


! !

!JavaUnresolvedClassConstant class methodsFor:'instance creation'!

fullName:nm
    |ref|

    ref := Java unresolvedClassRefFor:nm.
    ref notNil ifTrue:[^ ref].

    ref := self new setFullName:nm.
    Java rememberUnresolved:ref.
    ^ ref

    "Modified: / 19.10.1998 / 20:18:13 / cg"
!

pool:aPool poolIndex:slotIndex fullName:aString
    ^ self new 
          pool:aPool poolIndex:slotIndex fullName:aString

    "Created: / 4.2.1998 / 22:13:13 / cg"
    "Modified: / 4.2.1998 / 22:13:28 / cg"
!

pool:aPool poolIndex:slotIndex nameIndex:index
    ^ self new 
          pool:aPool poolIndex:slotIndex nameIndex:index

    "Modified: / 4.2.1998 / 22:13:38 / cg"
! !

!JavaUnresolvedClassConstant methodsFor:'accessing'!

className
    |s nm|

    (fullName startsWith:$[) ifTrue:[
        "/ a ref for newarray or new or checkCast

        s := fullName readStream.
        s next.
        nm := JavaMethod retvalSpecFromStream:s in:nil.
        ^ nm
    ].
    ^ fullName

    "Modified: / 8.1.1998 / 19:11:37 / cg"
!

deref
    |refClassName cls|

    (fullName startsWith:'[L') ifTrue:[
        refClassName := fullName copyFrom:3 to:(fullName indexOf:$;)-1.
        cls := Java at:refClassName.
        cls notNil ifTrue:[
            ^ cls
        ].
        ^ JavaUnresolvedClassConstant basicNew setFullName:refClassName
    ].
    (fullName startsWith:'[[C') ifTrue:[
        ^ JavaBuiltInClassPointerRef new nameandType:'[C'.
    ].

    "Created: / 7.4.1997 / 13:38:07 / cg"
    "Modified: / 6.2.1998 / 01:21:01 / cg"
!

fullName
    ^ fullName

!

javaClass
    |clsName|

    fullName isNil ifTrue:[
        self preResolve.
        fullName isNil ifTrue:[
            self halt.
        ]
    ].
    (fullName startsWith:$[) ifTrue:[
        clsName := self className
    ] ifFalse:[
        clsName := fullName
    ].
    ^ Java classForName:clsName.

    "Modified: / 10.11.1998 / 19:29:28 / cg"
!

name
    ^ fullName copyReplaceAll:$/ with:$.

    "Created: / 7.2.1997 / 23:44:47 / cg"
    "Modified: / 18.7.1998 / 22:57:47 / cg"
!

pool:aPool poolIndex:slotIndex fullName:aString
    constantPool := aPool.
    constantPoolIndex := slotIndex.
    fullName := aString.

    "Created: / 4.2.1998 / 22:15:22 / cg"
!

pool:aPool poolIndex:slotIndex nameIndex:name_index
    constantPool := aPool.
    constantPoolIndex := slotIndex.
    nameIndex := name_index.

!

setFullName:aNameString
    fullName := aNameString

    "Created: 7.4.1997 / 13:37:45 / cg"
!

smalltalkArrayClass
    (fullName startsWith:'[[') ifTrue:[
        ^ Array
    ].
    (fullName startsWith:'[F') ifTrue:[
        ^ FloatArray
    ].
    (fullName startsWith:'[B') ifTrue:[
        ^ ByteArray
    ].
    self halt.

    "Created: 7.4.1997 / 13:35:25 / cg"
! !

!JavaUnresolvedClassConstant methodsFor:'converting'!

asClassPointerRef
    (fullName startsWith:'[[') ifTrue:[
        ^ JavaClassPointerRef class:Array nameandType:fullName
    ].
    (fullName startsWith:'[F') ifTrue:[
        ^ JavaClassPointerRef class:FloatArray nameandType:fullName
    ].
    (fullName startsWith:'[B') ifTrue:[
        ^ JavaClassPointerRef class:ByteArray nameandType:fullName
    ].
    (fullName startsWith:'[C') ifTrue:[
        ^ JavaClassPointerRef class:String nameandType:fullName
    ].
    self halt.

    "Created: / 7.4.1997 / 13:40:29 / cg"
    "Modified: / 25.1.1998 / 19:56:54 / cg"
! !

!JavaUnresolvedClassConstant methodsFor:'printing & storing'!

displayString
    fullName isNil ifTrue:[
        ^ 'UnresolvedClass(** nil **)'
    ].
    ^ 'UnresolvedClass(' , (fullName copyReplaceAll:$/ with:$.) , ')'

    "Modified: / 18.7.1998 / 22:57:36 / cg"
! !

!JavaUnresolvedClassConstant methodsFor:'queries'!

isUnresolvedClass
    ^ true

    "Created: / 20.10.1998 / 17:43:36 / cg"
!

package
    "extract from the fullName"

    |components|

    components := fullName asCollectionOfSubstringsSeparatedBy:$/.
    components size > 1 ifTrue:[
        ^ (components copyWithoutLast:1) asStringWith:$/
    ].
    ^ fullName

    "Created: / 12.11.1998 / 21:11:30 / cg"
! !

!JavaUnresolvedClassConstant methodsFor:'resolving'!

preResolve
    |clsName cls nm s ref|

    fullName isNil ifTrue:[
        "/ first, resolve my name ...

        clsName := constantPool at:nameIndex.
        "/ DEBUGGING
        clsName isString ifFalse:[
            self halt:'oops - no class name string in const pool'.
        ].

        fullName := clsName
    ].

    "/ try to resolve the class

    "/ 'resolve: ' print. fullName printCR.

    cls := Java classNamed:fullName.
    cls notNil ifTrue:[
        "/ good - the class is already loaded.

        constantPool at:constantPoolIndex put:cls.
        ^ cls
    ].

    (fullName startsWith:$[) ifTrue:[
        "/ a ref for newarray or new

        nm := JavaMethod retvalSpecFromStream:(ReadStream on:fullName) in:nil.
        [nm endsWith:'[]'] whileTrue:[
            nm := nm copyWithoutLast:2
        ].

        cls := Java classNamed:nm.
        cls notNil ifTrue:[
            ref := JavaClassPointerRef class:cls nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].

        "/ look for specials like byte[], int[] etc.
        "/ there are only a few of them - forgive me nameing them here ...
        fullName = '[B' ifTrue:[    "/ byte[]
            ref := JavaBuiltInClassPointerRef class:ByteArray nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[Z' ifTrue:[    "/ boolean[]
            ref := JavaBuiltInClassPointerRef class:ByteArray nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[I' ifTrue:[     "/ int[]
            ref := JavaBuiltInClassPointerRef class:SignedIntegerArray nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[J' ifTrue:[     "/ long[]
            ref := JavaBuiltInClassPointerRef class:Array nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[S' ifTrue:[     "/ short[]
            ref := JavaBuiltInClassPointerRef class:SignedWordArray nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[C' ifTrue:[     "/ char[]
            "/ should be TwoByteString ...
            ref := JavaBuiltInClassPointerRef class:String nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[F' ifTrue:[     "/ float[]
            ref := JavaBuiltInClassPointerRef class:FloatArray nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[D' ifTrue:[     "/ double[]
            ref := JavaBuiltInClassPointerRef class:DoubleArray nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[[D' ifTrue:[    "/ double[][]
            ref := JavaBuiltInClassPointerRef class:Array nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[[I' ifTrue:[    "/ int[][]
            ref := JavaBuiltInClassPointerRef class:Array nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[[C' ifTrue:[    "/ char[][]
            ref := JavaBuiltInClassPointerRef class:Array nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[[B' ifTrue:[    "/ byte[][]
            ref := JavaBuiltInClassPointerRef class:Array nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[[Z' ifTrue:[    "/ bool[][]
            ref := JavaBuiltInClassPointerRef class:Array nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        fullName = '[[S' ifTrue:[    "/ short[][]
            ref := JavaBuiltInClassPointerRef class:Array nameandType:fullName.
            constantPool at:constantPoolIndex put:ref.
            ^ ref
        ].
        (fullName startsWith:'[L') ifFalse:[
            (fullName startsWith:'[[L') ifFalse:[
                ('JAVA: oops - unresolvable funny class: ' , fullName) errorPrintCR.
                self halt.
            ]
        ]
    ] ifFalse:[
        nm := self className.
    ].

    self rememberForResolveWith:nm.
    ^ self

    "Created: / 15.4.1996 / 15:51:42 / cg"
    "Modified: / 9.1.1999 / 15:00:30 / cg"
! !

!JavaUnresolvedClassConstant class methodsFor:'documentation'!

version
    ^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaUnresolvedClassConstant.st,v 1.37 1999/04/14 10:57:33 cg Exp $'
! !