de.rwth.i2.attestor.seplog

Class VariableExtractor

java.lang.Object

de.rwth.i2.attestor.seplog.SeparationLogicBaseListener

de.rwth.i2.attestor.seplog.VariableExtractor

All Implemented Interfaces:

SeparationLogicListener, VariableUnification, org.antlr.v4.runtime.tree.ParseTreeListener

public class VariableExtractor
extends SeparationLogicBaseListener
implements VariableUnification

Determines the equivalence classes of all variables and constants in a given symbolic heap.

Author:

Christoph

Constructor Summary

Constructors

Constructor and Description
VariableExtractor()

Method Summary

Modifier and Type	Method and Description
void	enterConstant(SeparationLogicParser.ConstantContext ctx) Enter a parse tree produced by SeparationLogicParser.constant().
void	enterHeapHead(SeparationLogicParser.HeapHeadContext ctx) Enter a parse tree produced by SeparationLogicParser.heapHead().
void	enterPure(SeparationLogicParser.PureContext ctx) Enter a parse tree produced by SeparationLogicParser.pure().
void	enterSelector(SeparationLogicParser.SelectorContext ctx) Enter a parse tree produced by SeparationLogicParser.selector().
void	enterType(SeparationLogicParser.TypeContext ctx) Enter a parse tree produced by SeparationLogicParser.type().
void	enterVariable(SeparationLogicParser.VariableContext ctx) Enter a parse tree produced by SeparationLogicParser.variable().
void	exitHeapHead(SeparationLogicParser.HeapHeadContext ctx) Exit a parse tree produced by SeparationLogicParser.heapHead().
void	exitPointer(SeparationLogicParser.PointerContext ctx) Exit a parse tree produced by SeparationLogicParser.pointer().
void	exitPure(SeparationLogicParser.PureContext ctx) Exit a parse tree produced by SeparationLogicParser.pure().
void	exitVariableDeclaration(SeparationLogicParser.VariableDeclarationContext ctx) Exit a parse tree produced by SeparationLogicParser.variableDeclaration().
Set<String>	getProgramVariableNames()
String	getType(String variableName)
String	getUniqueName(String variableName)
List<String>	getUniqueVariableNames()

Methods inherited from class de.rwth.i2.attestor.seplog.SeparationLogicBaseListener

enterAtom, enterEveryRule, enterFreeVariableDeclaration, enterHeap, enterHeapBody, enterParameter, enterPointer, enterPredicateCall, enterPredicateSymbol, enterSid, enterSidRule, enterSidRuleBody, enterSidRuleHead, enterSpatial, enterVariableDeclaration, exitAtom, exitConstant, exitEveryRule, exitFreeVariableDeclaration, exitHeap, exitHeapBody, exitParameter, exitPredicateCall, exitPredicateSymbol, exitSelector, exitSid, exitSidRule, exitSidRuleBody, exitSidRuleHead, exitSpatial, exitType, exitVariable, visitErrorNode, visitTerminal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VariableExtractor

public VariableExtractor()

Method Detail

getUniqueName

public String getUniqueName(String variableName)

Specified by:

getUniqueName in interface VariableUnification

Parameters:

variableName - The name of a variable

Returns:

The unique name used to identify all variable equal to variableName

getType

public String getType(String variableName)

Specified by:

getType in interface VariableUnification

Parameters:

variableName - The name of a variable

Returns:

The type underlying the variable.

getUniqueVariableNames

public List<String> getUniqueVariableNames()

Specified by:

getUniqueVariableNames in interface VariableUnification

Returns:

A list of all unique variable names.

getProgramVariableNames

public Set<String> getProgramVariableNames()

Specified by:

getProgramVariableNames in interface VariableUnification

Returns:

A list of all program variable names.

enterHeapHead

public void enterHeapHead(SeparationLogicParser.HeapHeadContext ctx)

Description copied from class: SeparationLogicBaseListener

Enter a parse tree produced by SeparationLogicParser.heapHead().

The default implementation does nothing.

Specified by:

enterHeapHead in interface SeparationLogicListener

Overrides:

enterHeapHead in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

exitHeapHead

public void exitHeapHead(SeparationLogicParser.HeapHeadContext ctx)

Description copied from class: SeparationLogicBaseListener

Exit a parse tree produced by SeparationLogicParser.heapHead().

The default implementation does nothing.

Specified by:

exitHeapHead in interface SeparationLogicListener

Overrides:

exitHeapHead in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

enterVariable

public void enterVariable(SeparationLogicParser.VariableContext ctx)

Description copied from class: SeparationLogicBaseListener

Enter a parse tree produced by SeparationLogicParser.variable().

The default implementation does nothing.

Specified by:

enterVariable in interface SeparationLogicListener

Overrides:

enterVariable in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

enterType

public void enterType(SeparationLogicParser.TypeContext ctx)

Description copied from class: SeparationLogicBaseListener

Enter a parse tree produced by SeparationLogicParser.type().

The default implementation does nothing.

Specified by:

enterType in interface SeparationLogicListener

Overrides:

enterType in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

exitVariableDeclaration

public void exitVariableDeclaration(SeparationLogicParser.VariableDeclarationContext ctx)

Description copied from class: SeparationLogicBaseListener

Exit a parse tree produced by SeparationLogicParser.variableDeclaration().

The default implementation does nothing.

Specified by:

exitVariableDeclaration in interface SeparationLogicListener

Overrides:

exitVariableDeclaration in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

enterPure

public void enterPure(SeparationLogicParser.PureContext ctx)

Description copied from class: SeparationLogicBaseListener

Enter a parse tree produced by SeparationLogicParser.pure().

The default implementation does nothing.

Specified by:

enterPure in interface SeparationLogicListener

Overrides:

enterPure in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

enterSelector

public void enterSelector(SeparationLogicParser.SelectorContext ctx)

Description copied from class: SeparationLogicBaseListener

Enter a parse tree produced by SeparationLogicParser.selector().

The default implementation does nothing.

Specified by:

enterSelector in interface SeparationLogicListener

Overrides:

enterSelector in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

exitPointer

public void exitPointer(SeparationLogicParser.PointerContext ctx)

Description copied from class: SeparationLogicBaseListener

Exit a parse tree produced by SeparationLogicParser.pointer().

The default implementation does nothing.

Specified by:

exitPointer in interface SeparationLogicListener

Overrides:

exitPointer in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

enterConstant

public void enterConstant(SeparationLogicParser.ConstantContext ctx)

Description copied from class: SeparationLogicBaseListener

Enter a parse tree produced by SeparationLogicParser.constant().

The default implementation does nothing.

Specified by:

enterConstant in interface SeparationLogicListener

Overrides:

enterConstant in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree

exitPure

public void exitPure(SeparationLogicParser.PureContext ctx)

Description copied from class: SeparationLogicBaseListener

Exit a parse tree produced by SeparationLogicParser.pure().

The default implementation does nothing.

Specified by:

exitPure in interface SeparationLogicListener

Overrides:

exitPure in class SeparationLogicBaseListener

Parameters:

ctx - the parse tree