package org.graalvm.compiler.core.common.cfg;
import java.util.Collections;
import java.util.List;
public abstract class AbstractBlockBase<T extends AbstractBlockBase<T>> {
protected int id;
protected int domDepth;
protected T[] predecessors;
protected T[] successors;
private T dominator;
private List<T> dominated;
private int domNumber;
private int maxChildDomNumber;
private boolean align;
private int linearScanNumber;
protected AbstractBlockBase() {
this.id = AbstractControlFlowGraph.BLOCK_ID_INITIAL;
this.linearScanNumber = -1;
this.domNumber = -1;
this.maxChildDomNumber = -1;
}
public void setDominatorNumber(int domNumber) {
this.domNumber = domNumber;
}
public void setMaxChildDomNumber(int maxChildDomNumber) {
this.maxChildDomNumber = maxChildDomNumber;
}
public int getDominatorNumber() {
return domNumber;
}
public int getMaxChildDominatorNumber() {
return this.maxChildDomNumber;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public T[] getPredecessors() {
return predecessors;
}
public void setPredecessors(T[] predecessors) {
this.predecessors = predecessors;
}
public T[] getSuccessors() {
return successors;
}
public void setSuccessors(T[] successors) {
this.successors = successors;
}
public T getDominator() {
return dominator;
}
public void setDominator(T dominator) {
this.dominator = dominator;
this.domDepth = dominator.domDepth + 1;
}
public int getDominatorDepth() {
return domDepth;
}
public List<T> getDominated() {
if (dominated == null) {
return Collections.emptyList();
}
return dominated;
}
public void setDominated(List<T> blocks) {
dominated = blocks;
}
@Override
public String toString() {
return "B" + id;
}
public int getPredecessorCount() {
return getPredecessors().length;
}
public int getSuccessorCount() {
return getSuccessors().length;
}
public int getLinearScanNumber() {
return linearScanNumber;
}
public void setLinearScanNumber(int linearScanNumber) {
this.linearScanNumber = linearScanNumber;
}
public boolean isAligned() {
return align;
}
public void setAlign(boolean align) {
this.align = align;
}
public abstract boolean isExceptionEntry();
public abstract Loop<T> getLoop();
public abstract int getLoopDepth();
public abstract void delete();
public abstract boolean isLoopEnd();
public abstract boolean ();
public abstract T getPostdominator();
public abstract double probability();
public abstract T getDominator(int distance);
}