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Copy pathCastExpr.java
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60 lines (50 loc) · 1.47 KB
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package jtree.nodes;
import java.util.function.Consumer;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.Setter;
import lombok.NonNull;
@EqualsAndHashCode
@Getter @Setter
public class CastExpr extends Node implements Expression {
protected @NonNull Type type;
protected @NonNull Expression expression;
public CastExpr(Type type, Expression expression) {
setType(type);
setExpression(expression);
}
@Override
public Precedence precedence() {
return Precedence.UNARY_AND_CAST;
}
@Override
public CastExpr clone() {
return new CastExpr(getType().clone(), getExpression().clone());
}
@Override
public String toCode() {
return "(" + getType().toCode() + ")" + wrap(getExpression()).toCode();
}
@Override
public Expression wrap(Expression expr) {
if(expr instanceof Lambda) {
var lambda = (Lambda)expr;
if(lambda.getParameters().isSecond() && lambda.getParameters().second().size() == 1 || lambda.getBody().isSecond()) {
return new ParensExpr(lambda);
} else {
return expr;
}
} else if(expr instanceof Switch || expr.precedence().isGreaterThan(this.precedence())) {
return new ParensExpr(expr);
} else {
return expr;
}
}
@Override
public <N extends INode> void accept(TreeVisitor visitor, Node parent, Consumer<N> replacer) {
if(visitor.visitCastExpr(this, parent, cast(replacer))) {
getType().accept(visitor, this, this::setType);
getExpression().accept(visitor, this, this::setExpression);
}
}
}