protected function doWalk(O\Expression $expression)
{
if ($this->processor->matches($this->function, $expression)) {
$processParameterCallback = $this->processParameterCallback;
$expression = $processParameterCallback($this->processor, $expression);
}
return parent::doWalk($expression);
}
public function walkClassConstant(O\ClassConstantExpression $expression)
{
$classExpression = $expression->getClass();
if ($classExpression instanceof O\ValueExpression && strtolower($expression->getName()) === 'class') {
$classConstantValue = $this->resolveMagicScopeClassConstant($classExpression->getValue());
if ($classConstantValue === null) {
return $expression;
}
return O\Expression::value($classConstantValue);
}
return parent::walkClassConstant($this->resolveMagicScopeExpression($expression));
}
public function traverse(ExpressionWalker $walker)
{
return $walker->walkAssignment($this);
}
public final function walk(O\ExpressionWalker $walker)
{
return $this->update($this->evaluationContextFactory->getScopeType(), $this->evaluationContextFactory->getNamespace(), $this->evaluationContextFactory->getParameterScopedVariableMap(), $walker->walkAll($this->parameters->getAll()), $this->isInternal() ? null : $walker->walkAll($this->bodyExpressions));
}
public function traverse(ExpressionWalker $walker)
{
return $walker->walkValue($this);
}