src/JavaFieldRef2.st
author hlopkmar
Wed, 18 May 2011 10:45:12 +0000
branchjk_new_structure
changeset 794 9635f32d1723
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permissions -rw-r--r--
implemented deeper caching in new resolving refs to help keeping C-code lean and clean
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"{ Package: 'stx:libjava' }"
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JavaClassContentRef2 subclass:#JavaFieldRef2
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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:'Languages-Java-Reader-Support-new'
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!
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!JavaFieldRef2 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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    "Created: / 15-05-2011 / 22:31:19 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
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! !
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!JavaFieldRef2 methodsFor:'accessing'!
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isJavaFieldRef
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^true.
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    "Created: / 11-04-2011 / 21:47:51 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
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!
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offset
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    ^ offset.
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    "Created: / 15-05-2011 / 22:26:08 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
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!
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type
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    type == T_LONG ifTrue: [ ^ #long. ].
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    type == T_DOUBLE ifTrue: [ ^ #double ].
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    ^ type.
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    "Created: / 15-05-2011 / 22:29:05 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
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! !
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!JavaFieldRef2 methodsFor:'private - resolving'!
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findResolvedStaticValue
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    valueCache := JavaResolver uniqueInstance 
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                resolveStaticFieldIndentifiedByRef: self.
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    classCache := (constantPool at: classRefIndex) resolve.
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    classCache ifNil: [ self breakPoint: #mh ].
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    classCache 
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        ifNotNil: [ offset := classCache class instVarOffsetOf: self name ].
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    nameAndTypeCache := (constantPool at: nameAndTypeIndex) resolve.
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    self resolveType.
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   nameAndTypeCache ifNil: [self breakPoint: #mh].
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    "Created: / 28-04-2011 / 22:05:10 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
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    "Modified: / 18-05-2011 / 12:44:13 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
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!
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findResolvedValue
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    valueCache := JavaResolver uniqueInstance 
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                resolveFieldIndentifiedByRef: self.
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    classCache := (constantPool at: classRefIndex) resolve.
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    classCache ifNil: [ self breakPoint: #mh ].
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    classCache ifNotNil: [ offset := classCache instVarOffsetOf: self name ].
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    nameAndTypeCache := (constantPool at: nameAndTypeIndex) resolve.
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    self resolveType.
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   nameAndTypeCache ifNil: [self breakPoint: #mh].
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    "Modified: / 18-05-2011 / 12:44:17 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
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!
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resolveType
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    type := JavaMethod typeFromSignature:((constantPool at: nameAndTypeIndex) descriptor) 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: / 15-05-2011 / 22:29:02 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"
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! !
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!JavaFieldRef2 class methodsFor:'documentation'!
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version_SVN
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    ^ '$Id$'
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! !
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JavaFieldRef2 initialize!