/* Lemma -- Automatically generated by TreeBuilder (2024-10-27T16:47Z) */

package de.uni_freiburg.informatik.ultimate.model.acsl.ast;

import java.util.List;
import java.util.ArrayList;
import de.uni_freiburg.informatik.ultimate.model.acsl.ACSLNode;
/**
 * Represents a lemma which is a special form of a logic statement.
 */
public class Lemma extends LogicStatement {
    private static final java.util.function.Predicate<ACSLNode> VALIDATOR = 
			ACSLNode.VALIDATORS.get(Lemma.class);
    /**
     * The formula of this lemma.
     */
    Expression formula;

    /**
     * The constructor taking initial values.
     * @param polyId the poly id of this logic statement.
     * @param formula the formula of this lemma.
     */
    public Lemma(PolyIdentifier polyId, Expression formula) {
        super(polyId);
        this.formula = formula;
        assert VALIDATOR == null || VALIDATOR.test(this) : "Invalid Lemma: " + this;
    }

    /**
     * The constructor taking initial values.
     * @param polyId the poly id of this logic statement.
     * @param parameters the parameters of this logic statement.
     * @param formula the formula of this lemma.
     */
    public Lemma(PolyIdentifier polyId, Parameter[] parameters, Expression formula) {
        super(polyId, parameters);
        this.formula = formula;
        assert VALIDATOR == null || VALIDATOR.test(this) : "Invalid Lemma: " + this;
    }

    /**
     * Returns a textual description of this object.
     */
    public String toString() {
        StringBuffer sb = new StringBuffer();
        sb.append("Lemma").append('[');
        sb.append(formula);
        return sb.append(']').toString();
    }

    /**
     * Gets the formula of this lemma.
     * @return the formula of this lemma.
     */
    public Expression getFormula() {
        return formula;
    }

    public List<ACSLNode> getOutgoingNodes() {
        List<ACSLNode> children = super.getOutgoingNodes();
        children.add(formula);
        return children;
    }

    public void accept(ACSLVisitor visitor) {
        if (visitor.visit((LogicStatement)this)) {
            //visit parent types higher up if necessary
        } else {
            return;
        }
        if (visitor.visit(this)) {
            if(formula!=null){
                formula.accept(visitor);
            }
            if(polyId!=null){
                polyId.accept(visitor);
            }
            if(parameters!=null){
                for (Parameter elem : parameters) {
                    elem.accept(visitor);
                }
            }
        }
    }

    public LogicStatement accept(ACSLTransformer visitor) {
        LogicStatement node = visitor.transform(this);
        if(node != this){
            return node;
        }

            Expression newformula = null;
        if(formula != null){
            newformula = (Expression)formula.accept(visitor);
        }
            PolyIdentifier newpolyId = null;
        if(polyId != null){
            newpolyId = (PolyIdentifier)polyId.accept(visitor);
        }
        boolean isChanged=false;
            ArrayList<Parameter> tmpListnewparameters = new ArrayList<>();
        if(parameters != null){
            for(Parameter elem : parameters){
                Parameter newparameters = (Parameter)elem.accept(visitor);
                isChanged = isChanged || newparameters != elem;
                tmpListnewparameters.add(newparameters);
            }
        }
        if(isChanged || formula != newformula || polyId != newpolyId){
            return new Lemma(newpolyId, tmpListnewparameters.toArray(new Parameter[0]), newformula);
        }
        return this;
    }
}