/**
* Constructs a new missing value exception.
*
* @param PHP_Depend_TokenizerI $tokenizer The context tokenizer instance.
*/
public function __construct(PHP_Depend_TokenizerI $tokenizer)
{
// Get wrong token
$token = $tokenizer->next();
// The parser must take care for this
assert($token instanceof PHP_Depend_Token);
$message = sprintf('Missing default value on line: %d, col: %d, file: %s.', $token->startLine, $token->startColumn, $tokenizer->getSourceFile());
parent::__construct($message);
}
/**
* Sets a new php source file.
*
* @param string $sourceFile A php source file.
*
* @return void
*/
public function setSourceFile($sourceFile)
{
$storage = PHP_Depend_StorageRegistry::get(PHP_Depend::PARSER_STORAGE);
$id = '$Id$-@package_version@';
$key = md5_file($sourceFile);
$group = get_class($this->_tokenizer);
$tokens = $storage->restore($key, $group, $id);
if (is_array($tokens)) {
$this->_sourceFile = new PHP_Depend_Code_File($sourceFile);
$this->_sourceFile->setTokens($tokens);
} else {
$this->_tokenizer->setSourceFile($sourceFile);
$this->_sourceFile = $this->_tokenizer->getSourceFile();
$tokens = $this->_sourceFile->getTokens();
$storage->store($tokens, $key, $group, $id);
}
$this->_tokens = $tokens;
$this->_index = 0;
$this->_count = count($tokens);
}
/**
* 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());
}
/**
* Constructs a new end of token stream exception.
*
* @param PHP_Depend_TokenizerI $tokenizer The context tokenizer instance.
*/
public function __construct(PHP_Depend_TokenizerI $tokenizer)
{
parent::__construct(sprintf('Unexpected end of token stream in file: %s.', $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();
}
}
