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What do all those files mean?
=============================
* `zend_language_parser.phpy`: PHP grammer written in a pseudo language
* `analyze.php`: Analyzes the `.phpy`-grammer and outputs some info about it
* `rebuildParser.php`: Preprocesses the `.phpy`-grammar and builds the parser using `kmyacc`
* `kmyacc.php.parser`: A `kmyacc` parser prototype file for PHP
.phpy pseudo language
=====================
The `.phpy` file is a normal grammer in `kmyacc` (`yacc`) style, with some transformations
applied to it:
* Nodes are created using the syntax `Name[..., ...]`. This is transformed into
`new Name(..., ..., attributes())`
* Some function-like constructs are resolved (see `rebuildParser.php` for a list)
* Associative arrays are written as `[key: value, ...]`, which is transformed to
`array('key' => value, ...)`
Building the parser
===================
In order to rebuild the parser, you need [moriyoshi's fork of kmyacc](https://github.com/moriyoshi/kmyacc-forked).
After you compiled/installed it, run the `rebuildParser.php` script.
By default only the `Parser.php` is built. If you want to additionally emit debug symbols and create `y.output`, run the
script with `--debug`. If you want to retain the preprocessed grammar pass `--keep-tmp-grammar`.