Move attribute handling into parser

The Lexer now only provides the tokens to the parser, while the
parser is responsible for determining which attributes are placed
on notes. This o

Move attribute handling into parser

The Lexer now only provides the tokens to the parser, while the
parser is responsible for determining which attributes are placed
on notes. This only needs to be done when the attributes are
actually needed, rather than for all tokens.

This removes the usedAttributes lexer option (and lexer options
entirely). The attributes are now enabled unconditionally. They
have less overhead now, and the need to explicitly enable them for
some use cases (e.g. formatting-preserving printing) doesn't seem
like a good tradeoff anymore.

There are some additional changes to the Lexer interface that
should be done after this, and the docs / upgrading guide haven't
been adjusted yet.

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Support parsing from stdin in php-parse

Following the usual convention, read from stdin if the file name
is "-".

Add --version flag to php-parse

chore: use the word Xdebug instead of XDebug

Print messages to stderr in bin/php-parse and fix exit status

Close #605.

Move JSON representation into component documentation

Also add -j flag to php-parse script to get a JSON dump. Also
drop obsolete flag for XML dumping.

[cs] apply short array to bin/php-parse

Drop XML serialization from php-parse

The class no longer exists, so this broke the script.

Fix typo with-posititions => with-positions

Add php-parse --with-positions

To invoke NodeDumper in dumpPositions mode

Fix php-parse script

Add Error::getMessageWithColumnInfo()

Add error recovery mode to php-parse script

Drop superfluous newlines before help text

support -h and --help standard options

Move "kind" attribute handling out of lexer

Doesn't belong there and will cause issue with multiple assignments.

Add "kind" attribute to LNumbers

Kind specifies whether the number was formatted as decimal, octal,
binary or hex. The pretty printer reproduces the number kind (but
not necessarily

Add "kind" attribute to LNumbers

Kind specifies whether the number was formatted as decimal, octal,
binary or hex. The pretty printer reproduces the number kind (but
not necessarily the exact formatting).

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Add dumpComments option to NodeDumper

Adding this as an option to avoid breaking people's tests.

Some of the test results show pretty clearly that we are incorrectly
assigning t

Add dumpComments option to NodeDumper

Adding this as an option to avoid breaking people's tests.

Some of the test results show pretty clearly that we are incorrectly
assigning the same comment multiple times for nested nodes (mentioned
in #36).

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Update file mode

Fix autoloader path in php-parse

Need to go up another directory...

Add php-parse as composer bin

Renaming from php-parse.php to just php-parse to follow the usual
conventions.

Not tested.