edu.umd.cs.findbugs.ba

Class Edge

public class Edge extends AbstractEdge<Edge,BasicBlock> implements EdgeTypes, Debug

An edge of a control flow graph.

Author: David Hovemeyer

See Also: BasicBlock CFG

Constructor Summary
	Edge(BasicBlock source, BasicBlock dest) Constructor.

Method Summary
static String	edgeTypeToString(int edgeType) Get string representing given edge type.
String	formatAsString(boolean reverse) Return a string representation of the edge.
int	getFlags() Get the edge flags.
int	getId()
int	getType() Get the type of edge.
boolean	isBackwardInBytecode()
boolean	isExceptionEdge() Is the edge an exception edge?
boolean	isFlagSet(int flag) Return if given edge flag is set.
void	setFlags(int flags) Set the edge flags.
void	setType(int type) Set the type of edge.
boolean	sourceIsTopOfLoop(Set<Integer> positions)
static int	stringToEdgeType(String s) Get numeric edge type from string representation.

Constructor Detail

Edge

public Edge(BasicBlock source, BasicBlock dest)

Constructor.

Parameters: source source basic block dest destination basic block

Method Detail

edgeTypeToString

public static String edgeTypeToString(int edgeType)

Get string representing given edge type.

formatAsString

public String formatAsString(boolean reverse)

Return a string representation of the edge.

getFlags

public int getFlags()

Get the edge flags.

getId

public int getId()

getType

public int getType()

Get the type of edge.

isBackwardInBytecode

public boolean isBackwardInBytecode()

isExceptionEdge

public boolean isExceptionEdge()

Is the edge an exception edge?

isFlagSet

public boolean isFlagSet(int flag)

Return if given edge flag is set.

Parameters: flag the edge flag

Returns: true if the flag is set, false otherwise

setFlags

public void setFlags(int flags)

Set the edge flags.

setType

public void setType(int type)

Set the type of edge.

sourceIsTopOfLoop

public boolean sourceIsTopOfLoop(Set<Integer> positions)

stringToEdgeType

public static int stringToEdgeType(String s)

Get numeric edge type from string representation.

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