class SteensgaardAnalysis extends DepthFirstAstVisitor[Unit] with PointsToAnalysis
Steensgaard-style pointer analysis. The analysis associates an StTerm with each variable declaration and expression node in the AST. It is implemented using tip.solvers.UnionFindSolver.
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- new SteensgaardAnalysis(program: AProgram)(implicit declData: DeclarationData)
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!=(arg0: Any): Boolean
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def
analyze(): Unit
Performs the analysis and returns the result.
Performs the analysis and returns the result.
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- SteensgaardAnalysis → Analysis
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def
mayAlias(): (ADeclaration, ADeclaration) ⇒ Boolean
Returns a function that tells whether two given identifiers may point to the same cell.
Returns a function that tells whether two given identifiers may point to the same cell.
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a function that returns true if the identifiers may point to the same cell; false if they definitely do not point to the same cell
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- SteensgaardAnalysis → PointsToAnalysis
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def
pointsTo(): Map[ADeclaration, Set[AstNode]]
Builds the points-to map.
Builds the points-to map. For each identifier, the points-to map gives the set of cells the identifier may point to.
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- SteensgaardAnalysis → PointsToAnalysis
- val solver: UnionFindSolver[StTerm]
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synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
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def
visit(node: AstNode, arg: Unit): Unit
Generates the constraints for the given sub-AST.
Generates the constraints for the given sub-AST.
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the node for which it generates the constraints
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unused for this visitor
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- SteensgaardAnalysis → DepthFirstAstVisitor
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def
visitChildren(node: AstNode, arg: Unit): Unit
Recursively perform the visit to the sub-node of the passed node, passing the provided argument.
Recursively perform the visit to the sub-node of the passed node, passing the provided argument.
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the node whose children need to be visited
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the argument to be passed to all sub-nodes
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