/**
* Create a lexer file from its skeleton plex file.
*
* @param string Path to the plex file.
* @param string Optional path to output file. Default is lexerfile with
* extension of ".php".
*/
function create($lexerfile, $outfile = '')
{
$this->_lex = new PHP_LexerGenerator_Lexer(file_get_contents($lexerfile));
$info = pathinfo($lexerfile);
if ($outfile) {
$this->outfile = $outfile;
} else {
$this->outfile = $info['dirname'] . DIRECTORY_SEPARATOR . substr($info['basename'], 0, strlen($info['basename']) - strlen($info['extension'])) . 'php';
}
$this->_parser = new PHP_LexerGenerator_Parser($this->outfile, $this->_lex);
if ($this->debug) {
$this->_parser->PrintTrace();
}
while ($this->_lex->advance($this->_parser)) {
$this->_parser->doParse($this->_lex->token, $this->_lex->value);
}
$this->_parser->doParse(0, 0);
}
/**
* Output debug information to output (php://output stream)
*/
static function PrintTrace()
{
self::$yyTraceFILE = fopen('php://output', 'w');
self::$yyTracePrompt = '';
}