FPPP: Remove special Nop handling

This results in ugly formatting, but avoids generating invalid
code.

Adding a test case for Nop causing bad new statement placement

Add union type to ParamBuilder and BuilderHelpers

Test on PHP 7.4 stable

Add .gitattributes to .gitattributes

Alphasort too

Release PHP-Parser 4.3.0

Update php-yacc dependency

This version has fixed error handling.

Add support for union types

We definitely need to introduce a general "Type" abstraction in
the next major version.

Fix phpdoc for Param\Builer::$type

Release PHP-Parser 4.2.5

Default to using php-yacc to generate the parsers

Accept KMYACC env var in rebuildParsers.php

Remove -l flag from kmyacc invocation

For PHP this doesn't do anything anyway.

Fix PHP 8 compatibility

This is a fix to preserve current behavior, but this should be
changed towards doing the same as PHP 8 does.

Skip php-src test file

Add .gitignore to .gitattributes

Optimize production build by ignoring dev files

Release PHP-Parser 4.2.4

add getTraitUses() method to ClassLike

add getProperties() and getConstants() to ClassLike

gitignore: add phpunit test cache

Sync flexible heredoc emulation with label fix

This was recently fixed in PHP via
https://github.com/php/php-src/commit/310708845ff02b9e252b7a02616290384dd846ba
so we should fix it h

Sync flexible heredoc emulation with label fix

This was recently fixed in PHP via
https://github.com/php/php-src/commit/310708845ff02b9e252b7a02616290384dd846ba
so we should fix it here as well.

I'm not adding a dedicated test as it will fail until new PHP versions
are released. This is indirectly tested through the php-src tester.

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Release PHP-Parser 4.2.3

Fix compatibility with T_BAD_CHARACTER in PHP 7.4

Fix harmless typos in documentation