/**
* The main advance call required by the parser
*
* return true if a token is available, false if no more are available.
* skips stuff that is not a valid token
* stores lastcomment, lastcommenttoken
*
*
* @return boolean - true = have tokens
* @access public
*/
function advance()
{
$this->pos++;
while ($this->pos < $this->N) {
if ($this->debug) {
echo token_name($this->tokens[$this->pos][0]) . '(' . PHPyyParser::tokenName(PHPyyParser::$transTable[$this->tokens[$this->pos[0]]]) . ')' . " : {$this->tokens[$this->pos][1]}\n";
}
static $T_DOC_COMMENT = false;
if (!$T_DOC_COMMENT) {
$T_DOC_COMMENT = defined('T_DOC_COMMENT') ? constant('T_DOC_COMMENT') : 10000;
}
switch ($this->tokens[$this->pos][0]) {
// simple ignore tags.
case T_CLOSE_TAG:
case T_OPEN_TAG_WITH_ECHO:
$this->pos++;
continue;
// comments - store for phpdoc
// comments - store for phpdoc
case $T_DOC_COMMENT:
case T_COMMENT:
$this->lastComment = '';
$this->lastCommentToken = -1;
$this->lastCommentLine = -1;
if (substr($this->tokens[$this->pos][1], 0, 2) == '/*') {
$this->_handleDocumentation();
}
$this->line += substr_count($this->tokens[$this->pos][1], "\n");
$this->pos++;
continue;
$this->_handleDocumentation();
// ... continues into m/l skipeed tags..
// large
// ... continues into m/l skipeed tags..
// large
case T_OPEN_TAG:
case T_INLINE_HTML:
case T_ENCAPSED_AND_WHITESPACE:
case T_WHITESPACE:
if ($this->tokens[$this->pos][0] == T_WHITESPACE) {
$this->_whitespace = $this->tokens[$this->pos][1];
}
$this->line += substr_count($this->tokens[$this->pos][1], "\n");
$this->pos++;
continue;
//--- begin returnable values--
// end statement - clear any comment details.
//--- begin returnable values--
// end statement - clear any comment details.
case 59:
// ord(';'):
$this->lastComment = '';
$this->lastCommentToken = -1;
// everything else!
// everything else!
default:
$this->line += substr_count($this->tokens[$this->pos][1], "\n");
$this->token = $this->tokens[$this->pos][0];
$this->value = $this->tokens[$this->pos][1];
$this->token = PHPyyParser::$transTable[$this->token];
$this->valueWithWhitespace = $this->_whitespace . $this->value;
$this->_whitespace = '';
return true;
}
}
//echo "END OF FILE?";
return false;
}
static function PrintTrace()
{
self::$yyTraceFILE = fopen('php://output', 'w');
self::$yyTracePrompt = '';
}
<?php
require_once '/development/PHP_ParserGenerator/PHP_Parser.php';
require_once '/development/PHP_ParserGenerator/Tokenizer.php';
$a = new PHP_Parser_Tokenizer('<?php
function test()
{
throw new Exception("boo");
}
?>');
$b = new PHPyyParser();
$b->printTrace();
while ($a->advance()) {
$b->doParse($a->token, $a->getValue(), $a);
}
$b->doParse(0, 0);
