package parser.ast;

public enum AccumulationSymbol {
	ACCDIAPLUS, ACCDIAMINUS, ACCBOXPLUS, ACCBOXMINUS;
	
	public String toString()
	{
		switch(this) {
		case ACCBOXMINUS:
			return "[-]";
		case ACCBOXPLUS:
			return "[+]";
		case ACCDIAMINUS:
			return "<->";
		case ACCDIAPLUS:
			return "<+>";
		default:
			throw new RuntimeException("Unknown accumulation symbol");
		}
	}
	
	public boolean isDia() {
		return (this == ACCDIAPLUS) || (this == ACCDIAMINUS);
	}
	
	public boolean isBox() {
		return (this == ACCBOXPLUS) || (this == ACCBOXMINUS);
	}
	
	public boolean isMinus() {
		return (this == ACCDIAMINUS) || (this == ACCBOXMINUS);
	}
	
	public boolean isPlus() {
		return (this == ACCDIAPLUS) || (this == ACCBOXPLUS);
	}
	
}