/**
* Parses a function name from the given tokenizer and returns the string
* literal representing the function name. If no valid token exists in the
* token stream, this method will throw an exception.
*
* @return string
* @throws PHP_Depend_Parser_UnexpectedTokenException When the next available
* token does not represent a valid php function name.
* @throws PHP_Depend_Parser_TokenStreamEndException When there is no next
* token available in the given token stream.
*/
public function parse()
{
switch ($this->_tokenizer->peek()) {
case PHP_Depend_TokenizerI::T_STRING:
case PHP_Depend_TokenizerI::T_USE:
case PHP_Depend_TokenizerI::T_GOTO:
case PHP_Depend_TokenizerI::T_NULL:
case PHP_Depend_TokenizerI::T_SELF:
case PHP_Depend_TokenizerI::T_TRUE:
case PHP_Depend_TokenizerI::T_FALSE:
case PHP_Depend_TokenizerI::T_NAMESPACE:
case PHP_Depend_TokenizerI::T_DIR:
case PHP_Depend_TokenizerI::T_NS_C:
case PHP_Depend_TokenizerI::T_PARENT:
$token = $this->_tokenizer->next();
$this->_tokenStack->add($token);
return $token->image;
case PHP_Depend_TokenizerI::T_EOF:
throw new PHP_Depend_Parser_TokenStreamEndException($this->_tokenizer);
}
throw new PHP_Depend_Parser_UnexpectedTokenException($this->_tokenizer->next(), $this->_tokenizer->getSourceFile());
}
/**
* This method will consume all comment tokens from the token stream.
*
* @return void
*/
private function _consumeComments()
{
$type = $this->_tokenizer->peek();
while ($type == self::T_COMMENT || $type == self::T_DOC_COMMENT) {
$this->_tokenStack->add($this->_tokenizer->next());
$type = $this->_tokenizer->peek();
}
}
