Re: Access to syntax tree?

Jeremy wrote: > Is there any way to access the parse tree of a PHP file from within PHP? > > I'm trying to write a code-checking utility to find namespace-related > problems in code and alert me to them. Specifically: > > namespace foo\bar; > > function foobar() > { > try > { > ... > } > catch(Exception $e) > { > //nothing will be caught > //I forgot to qualify > //code silently fails > } > } > > I didn't want to put a whole lot of work into this, so I'm trying to > avoid having to write in C/flex/ANTLR/etc. There's a bit of > grease-monkey internals stuff in PHP so I thought I would check. Hi Jeremy, The parser file needs to be updated to reflect additions in PHP 5.3, but http://pear.php.net/PHP_Parser provides an example of a parser in which you could actually check for every class reference at parse-time, ignoring everything else. It's built using the tokenizer extension as a lexer, and a port of lemon to PHP for the parser (zend_language_parser.y is also ported into lemon format) Greg