/**
* Constructor.
*
* @param Stream $stream
* @param Token|null $expected
*/
public function __construct(Stream $stream, Token $expected = null)
{
$this->actual = $stream->current();
$this->expected = $expected;
$this->tokenLine = $this->actual->getLine();
$message = sprintf('Unexpected token %s at line %d ("%s").', (string) $this->actual, $this->tokenLine, $stream->humanize());
if ($this->expected !== null) {
$message = sprintf('%s Expects token %s.', $message, (string) $this->expected);
}
parent::__construct($message);
}
/**
* @param Stream $stream
*
* @return NodeInterface
*/
private function parseExport(Stream $stream)
{
$stream->expects(Token::TYPE_KEYWORD, 'export');
if ($stream->current()->equals(Token::TYPE_KEYWORD, 'type')) {
$stream->expects(Token::TYPE_KEYWORD, 'type');
$typeName = $this->parseIdentifier($stream);
$alias = null;
if ($stream->current()->equals(Token::TYPE_KEYWORD, 'as')) {
$stream->expects(Token::TYPE_KEYWORD, 'as');
$alias = $this->parseIdentifier($stream);
}
$stream->expects(Token::TYPE_SYMBOL, ';');
return new MapperExportNode($typeName, $alias);
}
if ($stream->current()->equals(Token::TYPE_KEYWORD, 'function')) {
$stream->expects(Token::TYPE_KEYWORD, 'function');
$functionName = $stream->expects(Token::TYPE_IDENTIFIER)->getValue();
$alias = null;
if ($stream->current()->equals(Token::TYPE_KEYWORD, 'as')) {
$stream->expects(Token::TYPE_KEYWORD, 'as');
$alias = $stream->expects(Token::TYPE_IDENTIFIER)->getValue();
}
$stream->expects(Token::TYPE_SYMBOL, ';');
return new BlueprintExportNode($functionName, $alias);
}
if ($stream->current()->equals(Token::TYPE_KEYWORD, 'template')) {
$stream->expects(Token::TYPE_KEYWORD, 'template');
$templateName = $stream->expects(Token::TYPE_IDENTIFIER)->getValue();
$alias = null;
if ($stream->current()->equals(Token::TYPE_KEYWORD, 'as')) {
$stream->expects(Token::TYPE_KEYWORD, 'as');
$alias = $stream->expects(Token::TYPE_IDENTIFIER)->getValue();
}
$stream->expects(Token::TYPE_SYMBOL, ';');
return new BlueprintExportNode($templateName, $alias);
}
throw new ParserException(sprintf('Can\'t parse the stream "%s". Expects the keyword "type", "function" or "template".', $stream->humanize()));
}