Reduce memory used by token_get_all()

Around a quarter of all strings in array tokens would have a string that's one
character long (e.g. ` `, `\`, `1`)

For parsing a large numb

Reduce memory used by token_get_all()

Around a quarter of all strings in array tokens would have a string that's one
character long (e.g. ` `, `\`, `1`)

For parsing a large number of php files,
The memory increase dropped from 378374248 to 369535688 (2.5%)

Closes GH-4753.

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Revert "Switch to bison location tracking"

This reverts commit e528762c1c59bc0bd0bd6d78246c14269630cf0f.

Dmitry reports that this has a non-trivial impact on parsing
overhead, e

Revert "Switch to bison location tracking"

This reverts commit e528762c1c59bc0bd0bd6d78246c14269630cf0f.

Dmitry reports that this has a non-trivial impact on parsing
overhead, especially on 32-bit systems. As we don't have a strong
need for this change right now, I'm reverting it.

See also comments on
https://github.com/php/php-src/commit/e528762c1c59bc0bd0bd6d78246c14269630cf0f.

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Switch to bison location tracking

Locations for AST nodes are now tracked with the help of bison
location tracking. This is more accurate than what we currently do
and easier to exte

Switch to bison location tracking

Locations for AST nodes are now tracked with the help of bison
location tracking. This is more accurate than what we currently do
and easier to extend with more information.

A zend_ast_loc structure is introduced, which is used for the location
stack. Currently it only holds the start lineno, but can be extended
to also hold end lineno and offset/column information in the future.

All AST constructors now accept a zend_ast_loc* as first argument, and
will use it to determine their lineno. Previously this used either the
CG(zend_lineno), or the smallest AST lineno of child nodes.

On the parser side, the location structure for a whole rule can be
obtained using the &@$ character salad.

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Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly

Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly used by Vim and Emacs editors
yet with recent changes the once working definitions don't work
anymore in Vim without custom plugins or additional configuration.
Neither are these settings synced across the PHP code base.

A simpler and better approach is EditorConfig and fixing code
using some code style fixing tools in the future instead.

This patch also removes the so called modelines for Vim. Modelines
allow Vim editor specifically to set some editor configuration such as
syntax highlighting, indentation style and tab width to be set in the
first line or the last 5 lines per file basis. Since the php test
files have syntax highlighting already set in most editors properly and
EditorConfig takes care of the indentation settings, this patch removes
these as well for the Vim 6.0 and newer versions.

With the removal of local variables for certain editors such as
Emacs and Vim, the footer is also probably not needed anymore when
creating extensions using ext_skel.php script.

Additionally, Vim modelines for setting php syntax and some editor
settings has been removed from some *.phpt files. All these are
mostly not relevant for phpt files neither work properly in the
middle of the file.

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Remove yearly range from copyright notice

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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Replace legacy zval_dtor() by zval_ptr_dtor_nogc() or even more specialized destructors.
zval_dtor() doesn't make a lot of sense in PHP-7.* and it's used incorrectly in some places.
Its occur

Replace legacy zval_dtor() by zval_ptr_dtor_nogc() or even more specialized destructors.
zval_dtor() doesn't make a lot of sense in PHP-7.* and it's used incorrectly in some places.
Its occurances should be replaced by zval_ptr_dtor() or zval_ptr_dtor_nogc(), or even more specialized destructors.

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Fix typos...

Fixed bug #76538

Fixed typo

Fixed bug #76437 (token_get_all with TOKEN_PARSE flag fails to recognise close tag)

PHP scanner optimization

year++

year++

year++

Move constants into read-only data segment

Use ZSTR_CHAR in token_get_all()

Simplify increment_lineno handling

Update copyright headers to 2017

Update copyright headers to 2017

Update copyright headers to 2017

Use new param API in tokenizer

Make sure TOKEN_PARSE mode is thread safe

Introduce an on_event_context passed to the on_event hook. Use this
context to pass along the token array. Previously this was stored
in a n

Make sure TOKEN_PARSE mode is thread safe

Introduce an on_event_context passed to the on_event hook. Use this
context to pass along the token array. Previously this was stored
in a non-tls global :/

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Happy new year (Update copyright to 2016)

Don't return T_ERROR from token_get_all()

This turned out to be rather inconvenient after all. Instead just
return the same output we did on PHP 5. If people want to have an
error, u

Don't return T_ERROR from token_get_all()

This turned out to be rather inconvenient after all. Instead just
return the same output we did on PHP 5. If people want to have an
error, use TOKEN_PARSE.

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