/**
* This method parses a {@link PHP_Depend_Code_ASTParentReference} node.
*
* @param PHP_Depend_Token $token The "self" keyword token.
*
* @return PHP_Depend_Code_ASTNode
* @throws PHP_Depend_Parser_Exception When an error occured during the
* parsing process.
* @throws PHP_Depend_Parser_InvalidStateException When the keyword parent
* was used outside of a class or interface scope.
* @since 0.9.6
*/
private function _parseParentReference(PHP_Depend_Token $token)
{
if ($this->_classOrInterface === null) {
throw new PHP_Depend_Parser_InvalidStateException($token->startLine, (string) $this->_sourceFile, 'The keyword "parent" was used as type hint but the parameter ' . 'declaration is not in a class scope.');
}
$classReference = $this->_classOrInterface->getParentClassReference();
if ($classReference === null) {
throw new PHP_Depend_Parser_InvalidStateException($token->startLine, (string) $this->_sourceFile, sprintf('The keyword "parent" was used as type hint but the ' . 'class "%s" does not declare a parent.', $this->_classOrInterface->getName()));
}
$ref = $this->builder->buildASTParentReference($classReference);
$ref->configureLinesAndColumns($token->startLine, $token->endLine, $token->startColumn, $token->endColumn);
return $ref;
}
/**
* This method will parse a formal parameter that has the keyword parent as
* parameter type hint.
*
* <code>
* class Foo extends Bar
* {
* // ---------
* public function test(parent $o) {}
* // ---------
* }
* </code>
*
* @return PHP_Depend_Code_ASTFormalParameter
* @throws PHP_Depend_Parser_InvalidStateException When this type hint is
* used outside the scope of a class. When this type hint is used
* for a class that has no parent.
* @since 0.9.6
*/
private function _parseFormalParameterAndParentTypeHint()
{
$token = $this->_consumeToken(self::T_PARENT);
if ($this->_classOrInterface === null) {
throw new PHP_Depend_Parser_InvalidStateException($token->startLine, (string) $this->_sourceFile, 'The keyword "parent" was used as type hint but the parameter ' . 'declaration is not in a class scope.');
}
$classReference = $this->_classOrInterface->getParentClassReference();
if ($classReference === null) {
throw new PHP_Depend_Parser_InvalidStateException($token->startLine, (string) $this->_sourceFile, sprintf('The keyword "parent" was used as type hint but the parent ' . 'class "%s" does not declare a parent.', $this->_classOrInterface->getName()));
}
$classReference = clone $classReference;
$classReference->configureLinesAndColumns($token->startLine, $token->endLine, $token->startColumn, $token->endColumn);
$parameter = $this->_parseFormalParameterOrByReference();
$parameter->addChild($classReference);
return $parameter;
}
