Replace startLexing() with tokenize()

For now Lexer::getTokens() still exists, but should probably be
removed.

Add php-cs-fixer config and reformat

The formatting in this project has become something of a mess,
because it changed over time. Add a CS fixer config and reformat
to the desired st

Add php-cs-fixer config and reformat

The formatting in this project has become something of a mess,
because it changed over time. Add a CS fixer config and reformat
to the desired style, which is PSR-12, but with sane brace placement.

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Nullable type declaration for default null value

Adds ? before type declarations for parameters with a default null value

Add Parser::getLexer() method

Not sure if this is going to stick, but for now this makes it
easier to obtain the Lexer instance when creating the parser via
ParserFactory.

Add some missing type annotations

[CS] Open class brackets in new line

Add strict_types to lib code

Generate PHP 7 type annotations

Update doc comments to be more specific

Now $stmts arrays really only contains Stmt nodes.

Introduce ErrorHandler

Add ErrorHandler interface, as well as ErrorHandler\Throwing
and ErrorHandler\Collecting. The error handler is passed to
Parser::parse(). This supersedes the t

Introduce ErrorHandler

Add ErrorHandler interface, as well as ErrorHandler\Throwing
and ErrorHandler\Collecting. The error handler is passed to
Parser::parse(). This supersedes the throwOnError option.

NameResolver now accepts an ErrorHandler in the ctor.

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Fix issue #227

Use \z instead of $.

Rename ParserInterface to Parser

And drop the alias of Parser to Parser\Php5.

Move parser to Parser\Php5

Old name still exists.

Drop short array simulation from .phpy syntax

Instead use real short array syntax.

Drop name magic from rebuildParser.php

Now using explicitly imported names, instead of magically
prepending Name\.

Also remove trailing whitespace from generated file.

Enable basic error recovery

Adding only a single recovery rule for now.

The API is now:
* throwOnError parser option must be disabled.
* List of Errors is available throug

Enable basic error recovery

Adding only a single recovery rule for now.

The API is now:
* throwOnError parser option must be disabled.
* List of Errors is available through $parser->getErrors(). This
method is available either way.
* If no recovery is possible $parser->parse() will return null.
(Obviously only if throwOnError is disabled).

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Add support for anonymous classes

Has not landed upstream yet, but syntax is unlikely to change.

Add support for "yield from"

Clarify attribute assignment code

* Don't assign to attribute stack on reduce - why was that there
in the first place?
* Assign attributes to the position in the stack where the firs

Clarify attribute assignment code

* Don't assign to attribute stack on reduce - why was that there
in the first place?
* Assign attributes to the position in the stack where the first
token of the production is, instead of one position earlier.
* Add a comment to clarify why we also assign attributes on read,
instead of just on shift.

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Build node attributes inside semantic action methods

Minor performance improvement for parsing, also allows to access
attributes with higher granulity in the parser, though this is not

Build node attributes inside semantic action methods

Minor performance improvement for parsing, also allows to access
attributes with higher granulity in the parser, though this is not
currently done.

* #n can now be used to access the stack position of a token. $n
is the same as $this->semStack[#n]. (Post-translate $n will
actually be the stack position.)
* $attributeStack is now $this->startAttributeStack and
$endAttributes is now $this->endAttributes.
* Attributes for a node are now computed inside the individual
reduction methods, instead of being passed as a parameter.
Accessible through the attributes() macro.

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Regenerate parser

Also drop the error() parser macro.

Add column info for non-syntax errors where relatively precise

Should it also be added if only rough information is available? E.g.
spanning an entire class?

Rename Cast\Object as well

As it will very likely be soft-reserved in PHP 7.

Old alias is still available, as usual.

Fix a few more Scalar\String_ occurances

Totally forgot that the parser uses macros...

Replace another Scalar\String occurance

Also canonicalize NameResover tests to avoid those pesky CRLF
issues.