"

 COPYRIGHT (c) 1989 by Claus Gittinger / eXept Software AG

 COPYRIGHT (c) 2016 Jan Vrany

 COPYRIGHT (c) 2020 LabWare

              All Rights Reserved

 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.

"

"{ Package: 'stx:libcomp' }"

"{ NameSpace: Smalltalk }"

DIEntry subclass:#DIVariable

	instanceVariableNames:'phy_block_source_offset lex_block_source_offset frame_offset

		is_argument name'

	classVariableNames:''

	poolDictionaries:''

	category:'System-Compiler-Debug Info'

!

!DIVariable class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1989 by Claus Gittinger / eXept Software AG

 COPYRIGHT (c) 2016 Jan Vrany

 COPYRIGHT (c) 2020 LabWare

              All Rights Reserved

 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.

"

! !

!DIVariable methodsFor:'accessing'!

frameOffset

    ^ frame_offset

    "Created: / 14-07-2018 / 20:53:33 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

frameOffset: anInteger

    anInteger > 255 ifTrue:[ self halt ].

    frame_offset := anInteger

    "Created: / 14-07-2018 / 20:53:26 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 24-07-2018 / 16:18:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isArgument

    ^ is_argument

    "Created: / 14-07-2018 / 20:53:57 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isArgument: aBoolean

    is_argument := aBoolean

    "Created: / 14-07-2018 / 20:54:05 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

lexicalBlockSourceOffset

    ^ lex_block_source_offset

    "Created: / 07-02-2019 / 21:52:38 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

lexicalBlockSourceOffset: anInteger

    lex_block_source_offset := anInteger

    "Created: / 07-02-2019 / 21:52:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

name

    ^ name

!

name:aString

    self assert: aString isString.

    name := aString.

    "Modified: / 15-07-2018 / 15:12:14 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

physicalBlockSourceOffset

    ^ phy_block_source_offset

    "Created: / 06-02-2019 / 22:13:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

physicalBlockSourceOffset: anInteger

    phy_block_source_offset := anInteger

    "Created: / 06-02-2019 / 22:19:00 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!DIVariable methodsFor:'comparing'!

= another

    ^ self class == another class

        and:[ self physicalBlockSourceOffset = another physicalBlockSourceOffset

        and:[ self lexicalBlockSourceOffset = another lexicalBlockSourceOffset

        and:[ self isArgument = another isArgument

        and:[ self frameOffset = another frameOffset

        and:[ self name = another name ]]]]]

    "Created: / 09-06-2020 / 13:12:43 / Jan Vrany <jan.vrany@labware.com>"

!

hash

    ^ ((((phy_block_source_offset hash 

        bitXor: lex_block_source_offset hash)

        bitXor: frame_offset hash)

        bitXor: is_argument hash)

        bitXor: name hash)

    "Created: / 09-06-2020 / 13:10:51 / Jan Vrany <jan.vrany@labware.com>"

! !

!DIVariable methodsFor:'printing & storing'!

printOn: aStream

    super printOn: aStream.

    aStream nextPut: $(.

    frame_offset printOn: aStream base: 10 size: 2 fill: Character space.

    aStream space.

    name printOn: aStream.

    is_argument ifTrue:[ 

        aStream nextPutAll: ' (arg)'

    ].

    aStream nextPut: $).

    "Created: / 15-07-2018 / 15:27:42 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!DIVariable methodsFor:'reading & writing'!

decode: aStream

    size := aStream nextUnsignedInt16MSB: UninterpretedBytes isBigEndian.

    phy_block_source_offset := aStream nextUnsignedInt32MSB: UninterpretedBytes isBigEndian.

    lex_block_source_offset := aStream nextUnsignedInt32MSB: UninterpretedBytes isBigEndian.

    frame_offset := aStream nextByte.

    is_argument := DIEntry decodeBoolean: aStream.

    name := DIEntry decodeString: aStream.

    "Created: / 10-07-2018 / 13:05:16 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 07-02-2019 / 21:53:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

encode: aStream

    self encodePrepare: aStream.

    aStream nextPutInt32: phy_block_source_offset MSB: UninterpretedBytes isBigEndian.      

    aStream nextPutInt32: lex_block_source_offset MSB: UninterpretedBytes isBigEndian.      

    aStream nextPutByte: frame_offset.

    DIEntry encodeBoolean: is_argument on: aStream.

    DIEntry encodeString: name on: aStream.

    self encodeFinish: aStream.

    "Created: / 15-07-2018 / 11:00:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 07-02-2019 / 21:53:38 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !