package submit.ast;

public class ExpressionExpression implements Expression {
    private Mutable mutable;
    private Expression expression;
    private String op;

    public ExpressionExpression(Mutable mutable, Expression expression, String op) {
        this.mutable = mutable;
        this.expression = expression;
        this.op = op;
    }

    public ExpressionExpression(Mutable mutable, String op) {
        this.mutable = mutable;
        this.op = op;
    }

    @Override
    public void toCminus(StringBuilder builder, String prefix) {
        builder.append(prefix);
        mutable.toCminus(builder, "");
        if (op != null && expression != null)
            builder.append(" ");
        builder.append(op);
        if (expression != null) {
            builder.append(" ");
            expression.toCminus(builder, "");
        }
    }
}