package backend.mips.instr;

import backend.mips.instr.type.MipsBranchType;
import backend.mips.instr.type.MipsType;
import backend.mips.Register;

public class MipsBranch extends MipsInstr{
    private MipsBranchType branchType;
    private Register rs;
    private Register rt;
    private String label;

    public MipsBranch(MipsBranchType branchType, Register rs, Register rt, String label) {
        super(MipsType.BRANCH);
        this.branchType = branchType;
        this.rs = rs;
        this.rt = rt;
        this.label = label;
    }

    public MipsBranch(MipsBranchType branchType, Register rs, String label) {
        super(MipsType.BRANCH);
        this.branchType = branchType;
        this.rs = rs;
        this.rt = null;
        this.label = label;
    }

    public String toString() {
        if (this.rt == null) {
            return this.branchType.toString() + " " + this.rs + ", " + this.label + "\n";
        } else {
            return this.branchType.toString() + " " + this.rs + ", " + this.rt + ", " + this.label + "\n";
        }
    }
}