Improved fix for Fully qualified (leading backslash) type names must fail

it now all fails with COMPILE_ERROR instead of syntax error for T_ARRAY
but COMPILE_ERROR for int

Fixed bug #70430

Reindent zend_yytnamerr

Separating this whitespace change from the next diff.

Fix bug #70650

adds missing tokens to list of semi-reserved words and regenerates test suite

Don't allow leading \ in group use decl list

We recently added support for "use \Foo\{Bar}". This commit drops
support for the reverse "use Foo\{\Bar}". Those two got mixed up
in the

Don't allow leading \ in group use decl list

We recently added support for "use \Foo\{Bar}". This commit drops
support for the reverse "use Foo\{\Bar}". Those two got mixed up
in the initial implementation.

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fixes a syntactical inconsistency with group use and leading `\`

discussion: http://news.php.net/php.internals/87774

Improved zend_string API (Francois Laupretre)

Squashed commit of the following:

commit d96eab8d79b75ac83d49d49ae4665f948d15a804
Author: Francois Laupretre <francois@tekwire.net>

Improved zend_string API (Francois Laupretre)

Squashed commit of the following:

commit d96eab8d79b75ac83d49d49ae4665f948d15a804
Author: Francois Laupretre <francois@tekwire.net>
Date: Fri Jun 26 01:23:31 2015 +0200

Use the new 'ZSTR' macros in the rest of the code.

Does not change anything to the generated code (thanks to compat macros) but cleaner.

commit b3526439104ac7a89a8e0c79dbebf33b22bd01b8
Author: Francois Laupretre <francois@tekwire.net>
Date: Thu Jun 25 13:45:06 2015 +0200

Improve zend_string API

Add missing methods

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Drop unnecessary %prec

Leftover from a previous implementation

Even fake token better to be in upper case

Fix tokenizer test due to recent changes

Also unreserve T_CLASS

Set %expect to 0 in parser (Using %prec)

Rebuild scanner, add NEWS/UPGRADING

ext tokenizer port + cleanup unused lexer states

we basically added a mechanism to store the token stream during parsing
and exposed the entire parser stack on the tokenizer extension th

ext tokenizer port + cleanup unused lexer states

we basically added a mechanism to store the token stream during parsing
and exposed the entire parser stack on the tokenizer extension through
an opt in flag: token_get_all($src, TOKEN_PARSE).

this change allows easy future language enhancements regarding context
aware parsing & scanning without further maintance on the tokenizer
extension while solves known inconsistencies "parseless" tokenizer
extension has when it handles `__halt_compiler()` presence.

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implement context sensitive language with lexical feedback

The implementation has no regression risks, has an even smaller footprint
compared to the previous attempt involving a pure lex

implement context sensitive language with lexical feedback

The implementation has no regression risks, has an even smaller footprint
compared to the previous attempt involving a pure lexical approach, is higly
predictable and higly configurable.

To turn a word semi-reserved you only need to edit the "SEMI_RESERVED" parser rule,
it's an inclusive list of all the words that should be matched as T_STRING on specific contexts.
Example:

```
method_modifiers function returns_ref indentifier '(' parameter_list ')' ...
```

instead of:

```
method_modifiers function returns_ref T_STRING '(' parameter_list ')' ...
```

TODO: port ext tokenizer

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More cleanup (mainly retab)

Rebase Joe's anon classes implementation

Merge branch 'coroutineDelegation' of https://github.com/bwoebi/php-src

Throw ParseException from lexer

Primarily to avoid getting fatal errors from token_get_all().

Implemented using a magic E_ERROR token, which the lexer emits to
force a parser fa

Throw ParseException from lexer

Primarily to avoid getting fatal errors from token_get_all().

Implemented using a magic E_ERROR token, which the lexer emits to
force a parser failure.

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Improved parser (make use_type reuseable)

fix compilation warnings, rename batch_use to group_use

require trailing T_NS_SEPARATOR #1005

allow non mixed use declarations, CC @nikic #1005

```
use function N\S { foo, bar, etc };
use const N\S { FOO, BAR, ETC };
```

Related tests:

```
make test

allow non mixed use declarations, CC @nikic #1005

```
use function N\S { foo, bar, etc };
use const N\S { FOO, BAR, ETC };
```

Related tests:

```
make test -j4 TESTS="-m Zend/tests/ns_0{88..92}*.phpt"
```

All namespace tests:

```
make test -j4 TESTS="Zend/tests/ns_*.phpt"
```

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first implementation of batch use compilation