calculator-java/src/main/java/ch/bfh/Main.java


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package ch.bfh;

import ch.bfh.lexer.LexerException;
import ch.bfh.parser.ParserException;
import ch.bfh.parser.StatementParser;
import java.util.Scanner;

public class Main {

    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);
        StatementParser sp = new StatementParser();

        while (true) {
            System.out.print("Type your expression: ");
            String expression = scanner.nextLine();

            try {
                sp.parseStatement(expression);
                System.out.println("Result: " + sp.getValue());
            } catch (LexerException | ParserException e) {
                System.out.println(e.getMessage());
            }
        }
    }
}