Package net.covers1624.coffeegrinder.bytecode

Class VariableLivenessGraph

java.lang.Object

net.covers1624.coffeegrinder.bytecode.VariableLivenessGraph

public class VariableLivenessGraph
extends Object

Created by covers1624 on 13/10/21.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	VariableLivenessGraph.CFNode	Represents a node in a ControlFlow graph.
static final record	VariableLivenessGraph.LVLoad

Field Summary

Fields

Modifier and Type	Field	Description
final int	firstLocalIndex
final int	maxLocals
final AtomicInteger	nodeCounter

Constructor Summary

Constructors

Constructor	Description
VariableLivenessGraph(int maxLocals, int firstLocalIndex, Block start)

Method Summary

Modifier and Type	Method	Description
void	addCFEdge(Block target, List<LocalVariable> currentStack)
void	addExceptionHandler(Block handler, LocalVariable var)
void	addExceptionLink(Block handler)
void	applyAllReplacements(BlockContainer mainContainer)
void	applyLVInfo(LocalVariable from)
List<VariableLivenessGraph.CFNode>	getAllNodes()
LocalVariable	getEquivalentVar(LocalVariable var)
List<VariableLivenessGraph.LVLoad>	getLVLoads()
boolean	isDead(Block block)
void	markNode(String name)
LocalReference	readLocal(int index)
List<LocalVariable>	visitBlock(Block block)
void	visitStore(Store store)

Methods inherited from class java.lang.Object

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

Field Details

maxLocals

public final int maxLocals

firstLocalIndex

public final int firstLocalIndex

nodeCounter

public final AtomicInteger nodeCounter

Constructor Details

VariableLivenessGraph

public VariableLivenessGraph(int maxLocals,
 int firstLocalIndex,
 Block start)

Method Details

getAllNodes

public List<VariableLivenessGraph.CFNode> getAllNodes()

getLVLoads

public List<VariableLivenessGraph.LVLoad> getLVLoads()

addExceptionHandler

public void addExceptionHandler(Block handler,
 LocalVariable var)

readLocal

public LocalReference readLocal(int index)

visitStore

public void visitStore(Store store)

addExceptionLink

public void addExceptionLink(Block handler)

addCFEdge

public void addCFEdge(Block target,
 List<LocalVariable> currentStack)

markNode

public void markNode(String name)

visitBlock

public List<LocalVariable> visitBlock(Block block)

applyLVInfo

public void applyLVInfo(LocalVariable from)

isDead

public boolean isDead(Block block)

applyAllReplacements

public void applyAllReplacements(BlockContainer mainContainer)

getEquivalentVar

public LocalVariable getEquivalentVar(LocalVariable var)