JavaFieldref.st
author cg
Tue, 10 Nov 1998 00:21:53 +0000
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JavaRef subclass:#JavaFieldref
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	instanceVariableNames:'offset type'
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	classVariableNames:'T_LONG T_DOUBLE'
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	poolDictionaries:''
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	category:'Java-Reader-Support'
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!
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!JavaFieldref class methodsFor:'initialization'!
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initialize
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    T_LONG := 1.
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    T_DOUBLE := 2.
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    "
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     self initialize
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    "
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    "Created: / 10.1.1998 / 11:45:00 / cg"
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! !
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!JavaFieldref methodsFor:'accessing'!
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nameandType
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    ^ nameandType
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    "Created: 19.8.1997 / 13:54:35 / cg"
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!
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nameandType:aJavaNameandType
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    nameandType := aJavaNameandType.
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    self resolveType.
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    "Created: / 19.8.1997 / 14:01:27 / cg"
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    "Modified: / 5.11.1998 / 17:11:51 / cg"
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! !
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!JavaFieldref methodsFor:'printing & storing'!
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displayString
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    class isNil ifTrue:[
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        ^ 'JavaFieldRef ( ** unknown class ** ''' , nameandType displayString , ''')'
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    ].
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    ^ 'JavaFieldRef (' , class fullName , ' ' 
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                       , '''' , nameandType name , '''' , nameandType signature 
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                       , ' offs=' , offset printString
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                       , ')'
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    "Modified: / 5.11.1998 / 16:29:51 / cg"
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! !
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!JavaFieldref methodsFor:'resolving'!
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isDouble
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    type isNil ifTrue:[
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        self resolveType
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    ].
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    ^ type == T_DOUBLE
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    "Modified: / 10.1.1998 / 11:51:52 / cg"
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!
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isLong
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    type isNil ifTrue:[
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        self resolveType
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    ].
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    ^ type == T_LONG
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    "Modified: / 10.1.1998 / 11:51:36 / cg"
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!
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name
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    ^ nameandType name
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offset
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    offset isNil ifTrue:[
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        self resolve.
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    ].
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    ^ offset.
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    "Modified: / 10.1.1998 / 11:48:19 / cg"
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!
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resolve
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    |nm cls|
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    class isUnresolved ifTrue:[
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        self halt:'unresolved class'.
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        ^ nil.
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    ].
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    self resolveType.
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    nm := nameandType name asSymbol.
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    offset := class instVarOffsetOf:nm.
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    ^ offset
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    "Modified: / 9.11.1998 / 23:00:48 / cg"
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!
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resolveStatic
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    |nm cls|
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    cls := class javaClass.
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    cls ~~ class ifTrue:[
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        class := cls.
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    ].
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    class isNil ifTrue:[^ nil].
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    self resolveType.
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    nm := nameandType name asSymbol.
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    offset := class class instVarOffsetOf:nm.
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    ^ offset
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    "Created: / 2.1.1998 / 17:16:55 / cg"
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    "Modified: / 9.11.1998 / 23:01:10 / cg"
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!
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resolveType
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    type := JavaMethod typeFromSignature:(nameandType signature) in:nil.
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    type == #long ifTrue:[
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        type := T_LONG.
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    ] ifFalse:[
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        type == #double ifTrue:[
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            type := T_DOUBLE
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        ]
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    ].
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    "Created: / 10.1.1998 / 11:49:36 / cg"
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!
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staticOffset
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    offset isNil ifTrue:[
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        self resolveStatic.
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    ].
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    ^ offset.
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    "Modified: / 10.1.1998 / 11:47:59 / cg"
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!
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type
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    type isNil ifTrue:[
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        self resolveType.
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    ].
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    type == T_LONG ifTrue:[
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        ^ #long.
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    ].
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    type == T_DOUBLE ifTrue:[
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        ^ #double
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    ].
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    ^ type.
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    "Modified: / 10.1.1998 / 11:50:54 / cg"
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! !
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!JavaFieldref class methodsFor:'documentation'!
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version
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    ^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaFieldref.st,v 1.19 1998/11/10 00:18:07 cg Exp $'
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! !
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JavaFieldref initialize!