import org.antlr.v4.runtime.misc.NotNull;

import java.sql.SQLOutput;
import java.util.ArrayList;

public class Operations extends gBaseVisitor<Integer> {

    OperationData operationData = new OperationData();

    @Override
    public Integer visitInterrupt(gParser.InterruptContext ctx) {
        operationData.getRegisters();
        return super.visitInterrupt(ctx);

    }


    @Override
    public Integer visitStart(gParser.StartContext ctx) {
        visitChildren(ctx);
        return null;
    }

    @Override
    public Integer visitMov(gParser.MovContext ctx) {

        System.out.println(ctx.score.getText());
        System.out.println(ctx.REGISTER());
        //     System.out.println(Integer.valueOf(String.valueOf(ctx.right)));
        //   operationData.setRegister(ctx.left.toString(),Integer.valueOf(String.valueOf(ctx.right)));
        visitChildren(ctx);
        return null;
    }

    @Override
    public Integer visitNumber(gParser.NumberContext ctx) {
        return Integer.valueOf(ctx.getText());
    }

    @Override
    public Integer visitRegister(gParser.RegisterContext ctx) {
        return operationData.getRegisters().get(ctx.REGISTER());
    }

    @Override
    public Integer visitAdd(gParser.AddContext ctx) {

        return visit(ctx.left) + visit(ctx.right);

    }

    @Override
    public Integer visitMul(gParser.MulContext ctx) {
        return visit(ctx.left) * visit(ctx.right);
    }

    @Override
    public Integer visitSub(gParser.SubContext ctx) {

        return visit(ctx.left) - visit(ctx.right);
    }


    @Override
    public Integer visitXor(gParser.XorContext ctx) {
        String left = String.valueOf(ctx.left.getText());
        String right = String.valueOf(ctx.right.getText());
        if (operationData.getRegisters().get(left) == null && operationData.getRegisters().get(right) == null) {
            operationData.setRegister(right, 0);

        } else {

        }

        return null;

    }

    @Override
    public Integer visitPush(gParser.PushContext ctx) {

        return null;
    }
}