Pinq\Analysis\IAnalysisContext::getExpressionType PHP Метод

    public function getExpressionType(O\Expression $expression);

 public function visitVariable(O\VariableExpression $expression)
 {
     $nameExpression = $expression->getName();
     $this->walk($nameExpression);
     $type = $this->analysisContext->getExpressionType($expression);
     if ($type === null) {
         throw new TypeException('Invalid variable expression: \'%s\' type is unknown', $nameExpression->compileDebug());
     }
     $this->analysis[$expression] = $type;
 }