package errorhandler;

import ast.type.classes.ErrorType;

import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;

public class ErrorHandler {

    private static ErrorHandler singleton;
    private List<ErrorType> errors;

    private ErrorHandler() {
        this.errors = new ArrayList<>();
    }

    public static ErrorHandler getInstance() {
        if (singleton == null) {
            singleton = new ErrorHandler();
        }
        return singleton;
    }

    public void addError(ErrorType errorType) {
        this.errors.add(errorType);
    }

    public void showErrors(PrintStream out) {
        getErrors().forEach(out::println);
    }

    public boolean anyError() {
        return getErrors().size() > 0;
    }

    public List<ErrorType> getErrors() {
        return this.errors;
    }

    public void setErrors(List<ErrorType> errors) {
        this.errors = errors;
    }
}