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Copy pathIfStmt.java
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66 lines (53 loc) · 1.86 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 IfStmt extends Node implements CompoundStmt {
protected @NonNull Expression condition;
protected @NonNull Statement body;
private @NonNull Optional<? extends Statement> elseBody;
public IfStmt(Expression condition, Statement body) {
this(condition, body, Optional.empty());
}
public IfStmt(Expression condition, Statement body, Statement elseBody) {
this(condition, body, Optional.ofNullable(elseBody));
}
public IfStmt(Expression condition, Statement body, Optional<? extends Statement> elseBody) {
setCondition(condition);
setBody(body);
setElseBody(elseBody);
}
@Override
public IfStmt clone() {
return new IfStmt(getCondition().clone(), getBody().clone(), clone(getElseBody()));
}
@Override
public String toCode() {
return "if(" + condition.toCode() + ")" + bodyString(body)
+ elseBody.map(body -> (getBody() instanceof Block? " else" : "\nelse")
+ (body instanceof IfStmt? " " + body.toCode() : bodyString(body)))
.orElse("");
}
public void setElseBody(@NonNull Optional<? extends Statement> elseBody) {
this.elseBody = elseBody;
}
public final void setElseBody(Statement elseBody) {
setElseBody(Optional.ofNullable(elseBody));
}
public final void setElseBody() {
setElseBody(Optional.empty());
}
@Override
public <N extends INode> void accept(TreeVisitor visitor, Node parent, Consumer<N> replacer) {
if(visitor.visitIfStmt(this, parent, cast(replacer))) {
getCondition().accept(visitor, this, this::setCondition);
getBody().accept(visitor, this, this::setBody);
getElseBody().ifPresent(body -> body.<Statement>accept(visitor, this, this::setElseBody));
}
}
}