package submit.ast;

import java.util.ArrayList;
import java.util.List;

public class FunctionDeclaration implements Declaration {

    private VarType rType;
    private Statement statement;
    private ArrayList<Param> params;
    private String id;

    public FunctionDeclaration(VarType rType, String id, List<Param> params,
            Statement statement) {
        this.rType = rType;
        this.id = id;
        this.params = new ArrayList<>(params);
        this.statement = statement;
    }

    @Override
    public void toCminus(StringBuilder builder, String prefix) {
        builder.append("\n").append(rType).append(" ").append(id).append("(");
        int numParams = params.size();

        if (numParams >= 1)
            params.get(0).toCminus(builder, "");
        if (numParams > 1)
            for (Param param : params.subList(1, numParams))
                param.toCminus(builder, ", ");

        builder.append(")").append("\n");

        statement.toCminus(builder, "");
    }
}