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CPluggableAccessor.class.st
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CPluggableAccessor.class.st
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"
This class adds generalized block parameter access to C objects for vm simulation
"
Class {
#name : #CPluggableAccessor,
#superclass : #CArrayAccessor,
#instVars : [
'readBlock',
'writeBlock',
'objectSize'
],
#category : #'Slang-Types'
}
{ #category : #coercion }
CPluggableAccessor >> asInteger [
^self
]
{ #category : #accessing }
CPluggableAccessor >> at: index [
^readBlock value: object value: index + offset
]
{ #category : #accessing }
CPluggableAccessor >> at: index put: value [
^writeBlock value: object value: index + offset value: value
]
{ #category : #initialize }
CPluggableAccessor >> atBlock: rBlock atPutBlock: wBlock [
readBlock := rBlock.
writeBlock := wBlock
]
{ #category : #initialize }
CPluggableAccessor >> objectSize: n [
objectSize := n
]
{ #category : #printing }
CPluggableAccessor >> printOn: aStream [
super printOn: aStream.
(object isNil and: [readBlock notNil or: [writeBlock notNil]]) ifTrue:
[[aStream nextPutAll: ' in '; print: (readBlock home tempAt: 2) home]
on: Error
do: [:ex| ]]
]
{ #category : #accessing }
CPluggableAccessor >> size [
^objectSize ifNil: [super size]
]