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package jdk.nashorn.internal.ir;
import java.util.Objects;
import jdk.nashorn.internal.codegen.Label;
import jdk.nashorn.internal.ir.annotations.Immutable;
import jdk.nashorn.internal.ir.visitor.NodeVisitor;
IR representation for synthetic jump into an inlined finally statement.
/**
* IR representation for synthetic jump into an inlined finally statement.
*/
@Immutable
public final class JumpToInlinedFinally extends JumpStatement {
private static final long serialVersionUID = 1L;
Constructor
Params: - labelName – label name for inlined finally block
/**
* Constructor
*
* @param labelName label name for inlined finally block
*/
public JumpToInlinedFinally(final String labelName) {
super(NO_LINE_NUMBER, NO_TOKEN, NO_FINISH, Objects.requireNonNull(labelName));
}
private JumpToInlinedFinally(final JumpToInlinedFinally breakNode, final LocalVariableConversion conversion) {
super(breakNode, conversion);
}
@Override
public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
if (visitor.enterJumpToInlinedFinally(this)) {
return visitor.leaveJumpToInlinedFinally(this);
}
return this;
}
@Override
JumpStatement createNewJumpStatement(final LocalVariableConversion conversion) {
return new JumpToInlinedFinally(this, conversion);
}
@Override
String getStatementName() {
return ":jumpToInlinedFinally";
}
@Override
public Block getTarget(final LexicalContext lc) {
return lc.getInlinedFinally(getLabelName());
}
@Override
public TryNode getPopScopeLimit(final LexicalContext lc) {
// Returns the try node to which this jump's target belongs. This will make scope popping also pop the scope
// for the body of the try block, if it needs scope.
return lc.getTryNodeForInlinedFinally(getLabelName());
}
@Override
Label getTargetLabel(final BreakableNode target) {
assert target != null;
// We're jumping to the entry of the inlined finally block
return ((Block)target).getEntryLabel();
}
}