author | Claus Gittinger <cg@exept.de> |
Thu, 24 Nov 2011 12:54:40 +0100 | |
changeset 2298 | 252a59ff897d |
parent 2206 | 48094ac65f67 |
child 2353 | fa7400d022a0 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1996-2011 by Claus Gittinger |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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"{ Package: 'stx:libjava' }" |
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Class subclass:#JavaBehavior |
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instanceVariableNames:'constantPool interfaces accessFlags' |
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classVariableNames:'InitialValuePerType A_OBSOLETE A_INTERFACE A_PUBLIC A_FINAL |
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A_ABSTRACT A_INITIALIZED A_SMALLTALK A_ABSTRACT_OR_INTERFACE |
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A_STATIC A_NATIVE A_SYNTHETIC A_ANNOTATION A_ENUM' |
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poolDictionaries:'' |
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category:'Languages-Java-Classes' |
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! |
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!JavaBehavior class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1996-2011 by Claus Gittinger |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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! |
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documentation |
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" |
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Describes what is known and required by the VM. |
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" |
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! ! |
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!JavaBehavior class methodsFor:'initialization'! |
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initialize |
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"/ those are defined in Java and read from the classFile |
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A_PUBLIC := 16r000001. |
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"/ A_PRIVATE := 16r000002. |
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"/ A_PROTECTED := 16r000004. |
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A_STATIC := 16r000008. |
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A_FINAL := 16r000010. |
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"/ A_SUPER := 16r000020. |
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"/ A_SYNCHRONIZED := 16r000020. |
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"/ A_VOLATILE := 16r000040. |
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"/ A_TRANSIENT := 16r000080. |
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A_NATIVE := 16r000100. |
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A_INTERFACE := 16r000200. |
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A_ABSTRACT := 16r000400. |
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A_SYNTHETIC := 16r001000. "/ 1.1 |
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A_ANNOTATION := 16r002000. "/ 1.1 |
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A_ENUM := 16r004000. "/ 1.1 |
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A_OBSOLETE := 16r008000. |
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"/ those are local to the ST/X implementation |
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A_INITIALIZED := 16r100000. |
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A_SMALLTALK := 16r200000. |
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A_ABSTRACT_OR_INTERFACE := A_ABSTRACT bitOr:A_INTERFACE. |
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InitialValuePerType := IdentityDictionary new. |
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InitialValuePerType at:$B put:0. |
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InitialValuePerType at:$C put:0. |
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InitialValuePerType at:$D put:0.0. |
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InitialValuePerType at:$F put:(0.0 asShortFloat). |
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InitialValuePerType at:$I put:0. |
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InitialValuePerType at:$J put:0. |
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InitialValuePerType at:$S put:0. |
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InitialValuePerType at:$Z put:0. |
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InitialValuePerType at:$L put:nil. |
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InitialValuePerType at:$[ put:nil. |
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" |
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JavaBehavior initialize |
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" |
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"Modified: / 13.11.1998 / 14:09:52 / cg" |
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! ! |
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!JavaBehavior class methodsFor:'constants'! |
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A_NATIVE |
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^ A_NATIVE |
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"Created: / 16.5.1998 / 01:18:43 / cg" |
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! |
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A_PUBLIC |
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^ A_PUBLIC |
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"Created: / 13.5.1998 / 13:03:18 / cg" |
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! |
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A_STATIC |
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^ A_STATIC |
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"Created: / 16.5.1998 / 00:02:07 / cg" |
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! ! |
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!JavaBehavior class methodsFor:'signature parsing'! |
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initialValueFromSignature:aSignature |
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"given a signature, return an initializer value" |
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|s| |
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s := aSignature readStream. |
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^ self initialValueFromStream:s. |
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" |
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JavaBehavior initialValueFromSignature:'LObject;' |
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JavaBehavior initialValueFromSignature:'B' |
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JavaBehavior initialValueFromSignature:'I' |
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" |
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! |
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initialValueFromStream:s |
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"parse a fieldTypeSpec - see java doc" |
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|typeChar| |
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typeChar := s next. |
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^ InitialValuePerType at:typeChar ifAbsent:nil. |
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! ! |
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!JavaBehavior methodsFor:'accessing'! |
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accessFlags |
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^ accessFlags |
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! |
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constantPool |
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^ constantPool |
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! |
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interfaces |
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interfaces notNil ifTrue:[ |
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interfaces := interfaces collect:[:clsRef | |
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clsRef isUnresolved ifTrue:[ |
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clsRef preResolve |
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] ifFalse:[ |
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clsRef |
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] |
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]. |
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]. |
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^ interfaces |
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! ! |
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!JavaBehavior methodsFor:'compiler interface'! |
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programmingLanguage |
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^JavaLanguage instance |
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"Created: / 26-10-2010 / 23:42:21 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! ! |
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!JavaBehavior methodsFor:'private accessing'! |
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makeObsolete |
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accessFlags := accessFlags bitOr:A_OBSOLETE |
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"Created: 7.8.1997 / 19:04:48 / cg" |
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! |
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markUninitialized |
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(accessFlags bitAnd:A_INITIALIZED) ~~ 0 ifTrue:[ |
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accessFlags := accessFlags bitXor:A_INITIALIZED |
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]. |
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! |
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setAccessFlags:flags |
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accessFlags := flags. |
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"Created: 15.4.1996 / 16:42:52 / cg" |
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! |
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setConstantPool: aJavaConstantPool |
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constantPool := aJavaConstantPool. |
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constantPool ifNotNil:[constantPool owner: self]. |
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"Created: / 15-04-1996 / 16:42:52 / cg" |
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"Modified: / 22-05-2011 / 13:16:21 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! |
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setInterfaces:i |
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i size > 0 ifTrue:[ |
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interfaces := i |
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] ifFalse:[ |
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interfaces := nil |
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] |
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"Modified: 7.4.1997 / 15:44:53 / cg" |
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! ! |
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!JavaBehavior methodsFor:'queries'! |
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hasInterface:aJavaInterface |
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"return true, if I respond to all methods as |
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required by the argument, an aJavaInterface" |
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interfaces size > 0 ifTrue:[ |
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self interfaces do:[:if | |
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aJavaInterface == if ifTrue:[ |
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^ true |
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]. |
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] |
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]. |
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superclass isJavaClass ifTrue:[ |
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^ superclass hasInterface:aJavaInterface |
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]. |
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^ false. |
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"/ aJavaInterface methodDictionary keysAndValuesDo:[:sel :mthd | |
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"/ (self canUnderstand:sel) ifFalse:[ |
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"/ ^ false. |
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"/ ] |
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"/ ]. |
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^ true |
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"Modified: / 28.1.1998 / 01:46:16 / cg" |
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! |
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isAbstract |
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"return true, if the receiver is abstract |
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(i.e. may not have instances)" |
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^ (accessFlags bitAnd:A_ABSTRACT) ~~ 0 |
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"Modified: / 7.5.1998 / 12:24:42 / cg" |
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! |
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isFinal |
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"return true, if the receiver is final |
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(i.e. may not be subclassed)" |
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^ (accessFlags bitAnd:A_FINAL) ~~ 0 |
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"Modified: / 7.5.1998 / 12:24:21 / cg" |
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! |
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isInitialized |
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"return true, if the receiver is initialized" |
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^ (accessFlags bitAnd:A_INITIALIZED) ~~ 0 |
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"Modified: / 7.5.1998 / 12:23:54 / cg" |
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! |
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isInterface |
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"return true, if the receiver is an interface" |
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^ (accessFlags bitAnd:A_INTERFACE) ~~ 0 |
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"Modified: / 7.5.1998 / 12:23:39 / cg" |
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! |
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isObsolete |
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"return true, if the receiver is obsolete |
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Java classes are never." |
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^ (accessFlags bitAnd:A_OBSOLETE) ~~ 0. |
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"Modified: 7.8.1997 / 19:04:28 / cg" |
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! |
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isPublic |
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"return true, if the receiver is public" |
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^ (accessFlags bitAnd:A_PUBLIC) ~~ 0 |
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"Modified: / 7.5.1998 / 12:22:44 / cg" |
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! ! |
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!JavaBehavior class methodsFor:'documentation'! |
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version |
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2298
252a59ff897d
fixed: #version_SVN ($ to §)
Claus Gittinger <cg@exept.de>
parents:
2206
diff
changeset
|
290 |
^ '$Header: /cvs/stx/stx/libjava/JavaBehavior.st,v 1.6 2011-11-24 11:54:40 cg Exp $' |
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! |
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version_CVS |
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2298
252a59ff897d
fixed: #version_SVN ($ to §)
Claus Gittinger <cg@exept.de>
parents:
2206
diff
changeset
|
294 |
^ '$Header: /cvs/stx/stx/libjava/JavaBehavior.st,v 1.6 2011-11-24 11:54:40 cg Exp $' |
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! |
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version_SVN |
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^ '§Id: JavaBehavior.st,v 1.4 2011/08/18 18:42:48 vrany Exp §' |
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! ! |
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JavaBehavior initialize! |