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Add utility methods for SSA querying #140

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Merged
jecisc merged 1 commit into from
Aug 12, 2026
Merged

Add utility methods for SSA querying #140

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20 changes: 19 additions & 1 deletion src/FAST-Core-Tools/FASTAbstractVariableVersionSSA.class.st
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,12 @@ FASTAbstractVariableVersionSSA >> includes: aSSAVersion [
^ self ssaVariables includes: aSSAVersion
]

{ #category : 'testing' }
FASTAbstractVariableVersionSSA >> includesVersionOrPhi: aSSAVersionOrPhi [

^ aSSAVersionOrPhi ssaVariables anySatisfy: [ :variable | self includes: variable ]
]

{ #category : 'testing' }
FASTAbstractVariableVersionSSA >> isPhi [

Expand Down Expand Up @@ -61,7 +67,7 @@ FASTAbstractVariableVersionSSA >> localDeclarationName [
{ #category : 'accessing' }
FASTAbstractVariableVersionSSA >> localUses [

^ self localDeclaration localUses select: [ :access | access ssaVersion includes: self ]
^ self localDeclaration localUses select: [ :access | access ssaVersion includesVersionOrPhi: self ]
]

{ #category : 'accessing' }
Expand All @@ -81,7 +87,19 @@ FASTAbstractVariableVersionSSA >> printOn: aStream [
aStream nextPut: $]
]

{ #category : 'accessing' }
FASTAbstractVariableVersionSSA >> readAccesses [

^ self localUses reject: [ :access | access isVariableWriteAccess ]
]

{ #category : 'accessing' }
FASTAbstractVariableVersionSSA >> ssaVariables [
^ self subclassResponsibility
]

{ #category : 'accessing' }
FASTAbstractVariableVersionSSA >> writeAccesses [

^ self localUses select: [ :access | access isVariableWriteAccess ]
]
13 changes: 13 additions & 0 deletions src/FAST-Core-Tools/FASTPyTCanBeVariable.extension.st
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@@ -0,0 +1,13 @@
Extension { #name : 'FASTPyTCanBeVariable' }

{ #category : '*FAST-Core-Tools' }
FASTPyTCanBeVariable >> localDeclarationName [

self explicitRequirement
]

{ #category : '*FAST-Core-Tools' }
FASTPyTCanBeVariable >> variableDeclarator [

self explicitRequirement
]
25 changes: 25 additions & 0 deletions src/FAST-Core-Tools/FASTTEntity.extension.st
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Expand Up @@ -65,6 +65,13 @@ FASTTEntity >> isSameAsCFGCasePattern: aPattern [
^ self sourceCode = aPattern sourceCode
]

{ #category : '*FAST-Core-Tools' }
FASTTEntity >> isVariableWriteAccess [
"I should be implemented in order to have the SSA working well. I should return false for most nodes, and return true if I represent a node that is a write access for a variable."

^ self explicitRequirement
]

{ #category : '*FAST-Core-Tools' }
FASTTEntity >> localDeclaration [
"Used for LocalResolver"
Expand Down Expand Up @@ -102,6 +109,15 @@ FASTTEntity >> newVersionNumber [
ifNotNil: [ :active | active version + 1 ]
]

{ #category : '*FAST-Core-Tools' }
FASTTEntity >> readAccesses [

| uses |
uses := self attributeAt: #localUses ifAbsent: [ Error signal: 'No local resolution done.' ].

^ uses reject: #isVariableWriteAccess
]

{ #category : '*FAST-Core-Tools' }
FASTTEntity >> ssaName [
"Used for SSA"
Expand All @@ -122,3 +138,12 @@ FASTTEntity >> ssaVersion: aSSAVersion [

self attributeAt: #ssaVersion put: aSSAVersion
]

{ #category : '*FAST-Core-Tools' }
FASTTEntity >> writeAccesses [

| uses |
uses := self attributeAt: #localUses ifAbsent: [ Error signal: 'No local resolution done.' ].

^ uses select: #isVariableWriteAccess
]
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