1: <?php
2:
3: namespace BN\Compiler\Postfix;
4:
5: use BN\Compiler\Postfix\Operands\OperandsSummary;
6:
7: interface CalculatorErrorHandler
8: {
9: public function unknownOperator($operator);
10:
11: public function unknownToken($token);
12:
13: public function invalidOperands($operatorSymbol, OperandsSummary $operands);
14:
15: public function missingOperator($expectedOperandsCount);
16:
17: public function undefinedVariable($variableName);
18: }
19: