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Copy pathThis.java
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62 lines (48 loc) · 1.38 KB
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package jtree.nodes;
import java.util.Optional;
import java.util.function.Consumer;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.Setter;
import lombok.NonNull;
@EqualsAndHashCode
@Getter @Setter
public class This extends Node implements Expression {
protected @NonNull Optional<QualifiedName> qualifier;
public This() {
this(Optional.empty());
}
public This(QualifiedName qualifier) {
this(Optional.ofNullable(qualifier));
}
public This(Optional<QualifiedName> qualifier) {
setQualifier(qualifier);
}
@Override
public Precedence precedence() {
return Precedence.PRIMARY;
}
@Override
public This clone() {
return new This(clone(getQualifier()));
}
@Override
public String toCode() {
return getQualifier().map(qualifier -> qualifier.toCode() + ".").orElse("") + "this";
}
public void setQualifier(@NonNull Optional<QualifiedName> qualifier) {
this.qualifier = qualifier;
}
public final void setQualifier(QualifiedName qualifier) {
setQualifier(Optional.ofNullable(qualifier));
}
public final void setQualifier() {
setQualifier(Optional.empty());
}
@Override
public <N extends INode> void accept(TreeVisitor visitor, Node parent, Consumer<N> replacer) {
if(visitor.visitThis(this, parent, cast(replacer))) {
getQualifier().ifPresent(qualifier -> qualifier.<QualifiedName>accept(visitor, this, this::setQualifier));
}
}
}