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AbstractComposedImageAccess.class.st
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AbstractComposedImageAccess.class.st
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Class {
#name : #AbstractComposedImageAccess,
#superclass : #AbstractImageAccess,
#category : #'VMMaker-ImageFormat'
}
{ #category : #translation }
AbstractComposedImageAccess class >> declareCVarsIn: aCCodeGenerator [
aCCodeGenerator
addHeaderFile:'<sys/stat.h> /* for e.g. mkdir */'
]
{ #category : #'file operations' }
AbstractComposedImageAccess >> createImageDirectory: imageFileName [
self
cCode: [
self
cppIf: ((self defined: #_WIN32) or: [(self defined: #_WIN64)])
ifTrue: [ self mkdir: imageFileName ]
ifFalse: [ self mkdir: imageFileName _: 8r777 ] ]
inSmalltalk: [
imageFileName asFileReference ensureDeleteAll.
imageFileName asFileReference ensureCreateDirectory ]
]
{ #category : #'file operations' }
AbstractComposedImageAccess >> existSegment: segmentIndex inImage: imageFileName [
<var: #buffer declareC: 'char buffer[255]'>
| buffer fileName |
fileName := self
segmentFileName: segmentIndex
withExtension: '.data'
inImage: imageFileName
into: buffer
bufferSize: 255.
^ self fileExists: fileName
]
{ #category : #formats }
AbstractComposedImageAccess >> fieldFormat [
<cmacro: '() "\t#%s : %" PRIdSQINT'>
^ '\t#%s : %' , PRIdSQINT.
]
{ #category : #'file operations' }
AbstractComposedImageAccess >> fileExists: fileName [
| sb |
<inline: false>
<var: #fileName type: 'char *'>
<var: #sb type: 'struct stat'>
^ self
cCode: [ (self stat: fileName _: (self addressOf: sb)) = 0]
inSmalltalk: [ fileName asFileReference exists ]
]
{ #category : #'file primitives' }
AbstractComposedImageAccess >> fscanf: file _: format _: varHolder [
<doNotGenerate>
^ (format = self headFormat)
ifTrue: [
varHolder contents: (file nextLine substrings: ' ') first ];
yourself
]
{ #category : #'file primitives' }
AbstractComposedImageAccess >> fscanf: file _: format _: varHolder1 _: varHolder2 [
<doNotGenerate>
^ (format = self fieldFormat)
ifTrue: [
| line dataArray |
line := file nextLine.
dataArray := line substrings: '#:, '.
dataArray first = '}' ifTrue: [ ^ false ].
varHolder1 contents: dataArray second.
varHolder2 contents: dataArray third asInteger.
file position: file position - 1. "Not consume '\n' "
(line last = $,) ifTrue: [ file position: file position - 1 ] "Not consume ',' " ];
yourself
]
{ #category : #formats }
AbstractComposedImageAccess >> headFormat [
<inline: true>
^ '%s {\n'.
]
{ #category : #'file operations' }
AbstractComposedImageAccess >> headerFileNameinImage: imageFileName into: buffer bufferSize: bufferSize [
| headerFileName |
headerFileName := 'header.ston'.
^ self
cCode: [
self
snprintf: buffer
_: bufferSize
_: '%s/%s'
_: (self cCoerce: imageFileName to: #'char *')
_: (self cCoerce: headerFileName to: #'char *').
buffer ]
inSmalltalk: [ imageFileName , '/', headerFileName ]
]
{ #category : #formats }
AbstractComposedImageAccess >> msgFormat: aMessage [
<cmacro: '(aMessage) aMessage "%" PRIdSQINT'>
^ aMessage , '%' , PRIdSQINT.
]
{ #category : #'perm - space' }
AbstractComposedImageAccess >> permSpaceDataFileInImage: imageFileName [
<inline: #always>
<var: #buffer declareC: 'char buffer[255]'>
| buffer |
self simulationOnly: [ buffer := nil ].
^ self permSpaceFileName: 'permSpace.data' inImage: imageFileName into: buffer bufferSize: 255
]
{ #category : #'perm - space' }
AbstractComposedImageAccess >> permSpaceFileName: fileName inImage: imageFileName into: buffer bufferSize: bufferSize [
^ self
cCode: [
self
snprintf: buffer
_: bufferSize
_: '%s/%s'
_: (self cCoerce: imageFileName to: #'char *') _: (self cCoerce: fileName to: #'char *').
buffer ]
inSmalltalk: [ imageFileName , '/', fileName ].
]
{ #category : #'perm - space' }
AbstractComposedImageAccess >> permSpaceMetadataFileNameInImage: imageFileName [
<inline: #always>
<var: #buffer declareC: 'char buffer[255]'>
| buffer |
self simulationOnly: [ buffer := nil ].
^ self permSpaceFileName: 'permSpace.ston' inImage: imageFileName into: buffer bufferSize: 255
]
{ #category : #segments }
AbstractComposedImageAccess >> segmentDataFile: segmentIndex inImage: imageFileName [
<inline: true>
<var: #buffer declareC: 'char buffer[255]'>
| buffer |
self simulationOnly: [ buffer := nil ].
^ self segmentFileName: segmentIndex withExtension: '.data' inImage: imageFileName into: buffer bufferSize: 255.
]
{ #category : #segments }
AbstractComposedImageAccess >> segmentFileName: segmentIndex withExtension: extension inImage: imageFileName into: buffer bufferSize: bufferSize [
^ self
cCode: [
self snprintf: buffer _: bufferSize
_: '%s/seg%d%s'
_: (self cCoerce: imageFileName to: #'char *')
_: (self cCoerce: segmentIndex to: #'int')
_: extension.
buffer ]
inSmalltalk: [ imageFileName , '/seg', segmentIndex asString , extension ]
]
{ #category : #segments }
AbstractComposedImageAccess >> segmentMetadataFile: segmentIndex inImage: imageFileName [
<inline: true>
<var: #buffer declareC: 'char buffer[255]'>
| buffer |
self simulationOnly: [ buffer := nil ].
^ self segmentFileName: segmentIndex withExtension: '.ston' inImage: imageFileName into: buffer bufferSize: 255.
]