"

 COPYRIGHT (c) 1996-2011 by Claus Gittinger

 COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko

                            SWING Research Group, Czech Technical University in Prague

 Parts of the code written by Claus Gittinger are under following

 license:

 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.

 Parts of the code written at SWING Reasearch Group [1] are MIT licensed:

 Permission is hereby granted, free of charge, to any person

 obtaining a copy of this software and associated documentation

 files (the 'Software'), to deal in the Software without

 restriction, including without limitation the rights to use,

 copy, modify, merge, publish, distribute, sublicense, and/or sell

 copies of the Software, and to permit persons to whom the

 Software is furnished to do so, subject to the following

 conditions:

 The above copyright notice and this permission notice shall be

 included in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 OTHER DEALINGS IN THE SOFTWARE.

 [1] Code written at SWING Research Group contain a signature

     of one of the above copright owners.

"

"{ Package: 'stx:libjava' }"

JavaClassContentRef2 subclass:#JavaFieldRef2

	instanceVariableNames:'offset type'

	classVariableNames:'T_LONG T_DOUBLE'

	poolDictionaries:''

	category:'Languages-Java-Reader-Support-new'

!

!JavaFieldRef2 class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1996-2011 by Claus Gittinger

 COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko

                            SWING Research Group, Czech Technical University in Prague

 Parts of the code written by Claus Gittinger are under following

 license:

 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.

 Parts of the code written at SWING Reasearch Group [1] are MIT licensed:

 Permission is hereby granted, free of charge, to any person

 obtaining a copy of this software and associated documentation

 files (the 'Software'), to deal in the Software without

 restriction, including without limitation the rights to use,

 copy, modify, merge, publish, distribute, sublicense, and/or sell

 copies of the Software, and to permit persons to whom the

 Software is furnished to do so, subject to the following

 conditions:

 The above copyright notice and this permission notice shall be

 included in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 OTHER DEALINGS IN THE SOFTWARE.

 [1] Code written at SWING Research Group contain a signature

     of one of the above copright owners.

"

! !

!JavaFieldRef2 class methodsFor:'initialization'!

initialize

    T_LONG := 1.

    T_DOUBLE := 2.

    "Created: / 15-05-2011 / 22:31:19 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

! !

!JavaFieldRef2 methodsFor:'accessing'!

isJavaFieldRef

^true.

    "Created: / 11-04-2011 / 21:47:51 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

offset

    ^ offset.

    "Created: / 15-05-2011 / 22:26:08 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

type

    type == T_LONG ifTrue: [ ^ #long. ].

    type == T_DOUBLE ifTrue: [ ^ #double ].

    ^ type.

    "Created: / 15-05-2011 / 22:29:05 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

! !

!JavaFieldRef2 methodsFor:'private - resolving'!

findResolvedStaticValue

    valueCache := JavaResolver uniqueInstance 

                resolveStaticFieldIndentifiedByRef: self.

    "/Use javaClass of the field, not the class ref!!

    classCache := valueCache javaClass. 

    classCache ifNil: [ self breakPoint: #mh ].

    self resolveStaticOffset.

    nameAndTypeCache := (constantPool at: nameAndTypeIndex) resolve.

    self resolveType.

    nameAndTypeCache ifNil: [ self breakPoint: #mh ].

    "Created: / 28-04-2011 / 22:05:10 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 18-05-2011 / 12:44:13 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 24-05-2011 / 14:05:13 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

findResolvedValue

    valueCache := JavaResolver uniqueInstance 

                resolveFieldIndentifiedByRef: self.

    classCache := (constantPool at: classRefIndex) resolve.

    classCache ifNil: [ self breakPoint: #mh ].

    self resolveOffset.

    nameAndTypeCache := (constantPool at: nameAndTypeIndex) resolve.

    self resolveType.

    nameAndTypeCache ifNil: [ self breakPoint: #mh ].

    "Modified: / 18-05-2011 / 12:44:17 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

resolveOffset

    "fieldRef must be resolved before calling me"

    | currentClass |

    currentClass := classCache.

    [ offset := currentClass instVarOffsetOf: self name.

    offset isNil and: [ currentClass superclass ~= JavaObject ]. ] whileTrue: [ currentClass := currentClass superclass. ].

    "Modified: / 20-05-2011 / 20:36:17 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

resolveStaticOffset

    "fieldRef must be resolved before calling me"

    | currentClass |

    currentClass := classCache.

    [ offset := currentClass class instVarOffsetOf: self name.

    offset isNil and: [ currentClass superclass ~= JavaObject ]. ] whileTrue: [ currentClass := currentClass superclass. ].

    "Modified: / 20-05-2011 / 20:36:11 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

!

resolveType

    type := JavaMethod typeFromSignature:((constantPool at: nameAndTypeIndex) descriptor) in:nil.

    type == #long ifTrue:[

        type := T_LONG.

    ] ifFalse:[

        type == #double ifTrue:[

            type := T_DOUBLE

        ]

    ].

    "Created: / 15-05-2011 / 22:29:02 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

! !

!JavaFieldRef2 class methodsFor:'documentation'!

version_SVN

    ^ '$Id$'

! !

JavaFieldRef2 initialize!