JavaUnresolvedConstant subclass:#JavaUnresolvedClassConstant

	instanceVariableNames:'nameIndex fullName'

	classVariableNames:''

	poolDictionaries:''

	category:'Java-Reader-Support'

!

!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

    fullName isNil ifTrue:[

        self preResolve.

        fullName isNil ifTrue:[

            self halt.

        ]

    ].

!

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"

! !

!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:Array 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 = '[[I' ifTrue:[    "/ int[][]

            ref := JavaBuiltInClassPointerRef class:Array nameandType:fullName.

            constantPool at:constantPoolIndex put:ref.

            ^ ref

        ].

        (fullName startsWith:'[L') ifFalse:[

            ('JAVA: oops - unresolvable funny class: ' , fullName) errorPrintCR.

        ]

    ] ifFalse:[

        nm := self className.

    ].

    self rememberForResolveWith:nm.

    ^ self

    "Created: / 15.4.1996 / 15:51:42 / cg"

    "Modified: / 8.1.1998 / 19:11:43 / cg"

! !

!JavaUnresolvedClassConstant class methodsFor:'documentation'!

version

! !