/**
* This method will parse a formal parameter that has the keyword self as
* parameter type hint.
*
* <code>
* class Foo
* {
* // -------
* public function test(self $o) {}
* // -------
* }
* </code>
*
* @return \PDepend\Source\AST\ASTFormalParameter
* @since 0.9.6
*/
private function parseFormalParameterAndSelfTypeHint()
{
$token = $this->consumeToken(Tokens::T_SELF);
$self = $this->builder->buildAstSelfReference($this->classOrInterface);
$self->configureLinesAndColumns($token->startLine, $token->endLine, $token->startColumn, $token->endColumn);
$parameter = $this->parseFormalParameterOrByReference();
$parameter->addChild($self);
return $parameter;
}
/**
* This method parses a {@link \PDepend\Source\AST\ASTSelfReference} node.
*
* @param \PDepend\Source\Tokenizer\Token $token The "self" keyword token.
* @return \PDepend\Source\AST\ASTSelfReference
* @throws \PDepend\Source\Parser\ParserException
* @throws \PDepend\Source\Parser\InvalidStateException
* @since 0.9.6
*/
protected function parseSelfReference(Token $token)
{
if ($this->classOrInterface === null) {
throw new InvalidStateException($token->startLine, (string) $this->compilationUnit, 'The keyword "self" was used outside of a class/method scope.');
}
$ref = $this->builder->buildAstSelfReference($this->classOrInterface);
$ref->configureLinesAndColumns($token->startLine, $token->endLine, $token->startColumn, $token->endColumn);
return $ref;
}
