1: <?php
 2: 
 3: namespace BN\Compiler\Postfix\Token;
 4: 
 5: use BN\Compiler\Token\Token;
 6: use BN\Compiler\Postfix\ProcessToken;
 7: use BN\Compiler\Postfix\Variables;
 8: use BN\Compiler\Postfix\Operands\FixedCount;
 9: use BN\Compiler\Postfix\Operator\AssignOperator;
10: 
11: class ProcessAssign extends ProcessToken implements ProcessKeywordStrategy
12: {
13:     private $evaluator;
14:     private $operands;
15:     private $processKeyword;
16: 
17:     public function __construct($accumulator, Variables $variables)
18:     {
19:         $this->operands = new FixedCount(2);
20:         $this->evaluator = new AssignOperator($variables);
21:         $this->processKeyword = new ProcessKeyword($accumulator, $variables, $this);
22:     }
23: 
24:     public function process(Token $token)
25:     {
26:         return $this->processKeyword->process($token);
27:     }
28: 
29:     public function isFirstOperandVariable()
30:     {
31:         return true;
32:     }
33: 
34:     public function getOperands()
35:     {
36:         return $this->operands;
37:     }
38: 
39:     public function tokensToOperands(array $tokens)
40:     {
41:         return $tokens;
42:     }
43: 
44:     public function getEvaluator()
45:     {
46:         return $this->evaluator;
47:     }
48: }
49: