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VMMaker.extension.st
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VMMaker.extension.st
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Extension { #name : #VMMaker }
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> buildCodeGenerator: aClass inlined: doInlining [
"Answer a new C code generator for aClass"
| cg |
ObjectMemory initialize; initializeConstants.
cg := aClass buildCodeGenerator.
cg prepareMethodsInlined: doInlining doAssertions: true.
^ cg
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> cCodeGenerator: aClass inCache: cache inlined: doInlining [
"Answer a C code generator, or a string explaining why a code generator is not available"
| cg |
cg := cache
at: aClass name asSymbol
ifAbsentPut: [self buildCodeGenerator: aClass inlined: doInlining].
^ cg
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> cacheFor: generatorType [
^ self codeGeneratorCache at: generatorType ifAbsentPut: [Dictionary new]
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> clearCache: cache entriesFor: aClass [
"Clear the of code generators for aClass and its dependent subclasses"
aClass withAllSubclasses
do: [:cls | cache
removeKey: cls name asSymbol
ifAbsent: []]
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> clearCacheEntriesFor: aClass [
"Clear all code generator caches for aClass and its dependent subclasses"
self codeGeneratorCache
do: [:cache | self clearCache: cache entriesFor: aClass]
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> clearCodeGeneratorCache [
"Code generators used by browsers to display translated C code"
"VMMaker clearCodeGeneratorCache"
CodeGeneratorCache := nil
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> codeGenerator: generatorType forClass: aClass [
| cache |
generatorType = #cCode
ifTrue: [cache := self cacheFor: generatorType.
^ self cCodeGenerator: aClass inCache: cache inlined: false].
generatorType = #inlinedCCode
ifTrue: [cache := self cacheFor: generatorType.
^ self cCodeGenerator: aClass inCache: cache inlined: true].
self error: generatorType asString, ' not recognized'.
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> codeGeneratorCache [
"Code generators used by browsers to display translated C code"
^ CodeGeneratorCache ifNil: [CodeGeneratorCache := Dictionary new]
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> event: anEvent [
"Hook for SystemChangeNotifier. If a translatable class changes, clear all
of its code generators from caches to force retranslation."
| cls itemClass |
(itemClass := anEvent itemClass) ifNotNil:
[cls := itemClass isMeta
ifTrue: [itemClass soleInstance]
ifFalse: [itemClass].
self clearCacheEntriesFor: cls]
]
{ #category : #'*SlangBrowser-initialisation' }
VMMaker classSide >> initializeBrowserSupport [
self clearCodeGeneratorCache.
self registerNotification.
(CodeHolder respondsTo: #addEditContentsOption:)
ifTrue: [CodeHolder addEditContentsOption: #translateToC -> #selectedTranslateToC.
CodeHolder addEditContentsOption: #translateInlinedC -> #selectedTranslateInlinedC.
CodeHolder removeContentsSymbol: #translateToC.
CodeHolder removeContentsSymbol: #translateInlinedC.
CodeHolder addContentsSymbolQuint:
{#translateToC
. #toggleShowingTranslateToC
. #showingTranslateToCString
. 'C code'
. 'translate to C source code, no method inlining' translated}
afterEntry: #byteCodes.
CodeHolder addContentsSymbolQuint:
{#translateInlinedC
. #toggleShowingTranslateInlinedC
. #showingTranslateInlinedCString
. 'inlined C'
. 'translate to C source code with method inlining' translated}
afterEntry: #translateToC]
ifFalse: [self notify: 'package SlangBrowser requires browser support, not yet loaded']
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> registerNotification [
SystemChangeNotifier uniqueInstance notify: self ofAllSystemChangesUsing: #event:
]
{ #category : #'*SlangBrowser-browser support' }
VMMaker classSide >> unregisterNotification [
"self unregisterNotification"
SystemChangeNotifier uniqueInstance noMoreNotificationsFor: self
]