private String createMissingOperandMessage()

in junit-platform-launcher/src/main/java/org/junit/platform/launcher/tagexpression/Operator.java [119:132]

• 13 lines of code
• 6 McCabe index (conditional complexity)

	private String createMissingOperandMessage(Stack<TokenWith<TagExpression>> expressions, Token operatorToken) {
		if (1 == arity) {
			return missingOneOperand(associativity == Left ? "lhs" : "rhs");
		}

		if (2 == arity) {
			int mismatch = arity - expressions.size();
			if (2 == mismatch) {
				return "missing lhs and rhs operand";
			}
			return missingOneOperand(operatorToken.isLeftOf(expressions.peek().token) ? "lhs" : "rhs");
		}
		return "missing operand";
	}