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Refactor examing of jumping out of finally block

Add functions declarations, use tabs

Implemented 'finally' keywords for php

RFC: https://wiki.php.net/rfc/finally
FR: https://bugs.php.net/bug.php?id=32100
and I have got some improvment ideas(performance), will impleme

Implemented 'finally' keywords for php

RFC: https://wiki.php.net/rfc/finally
FR: https://bugs.php.net/bug.php?id=32100
and I have got some improvment ideas(performance), will implemented
later. thanks

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Require parenthesis around yield expressions

If yield is used in an expression context parenthesis are now required.
This ensures that the code is unambiguos.

Yield statements c

Require parenthesis around yield expressions

If yield is used in an expression context parenthesis are now required.
This ensures that the code is unambiguos.

Yield statements can still be used without parenthesis (which should be
the most common case).

Also yield expressions without value can be used without parenthesis,
too (this should be the most common case for coroutines).

If the yield expression is used in a context where parenthesis are required
anyway, no additional parenthesis have to be inserted.

Examples:

// Statements don't need parenthesis
yield $foo;
yield $foo => $bar;

// Yield without value doesn't need parenthesis either
$data = yield;

// Parentheses don't have to be duplicated
foo(yield $bar);
if (yield $bar) { ... }

// But we have to use parentheses here
$foo = (yield $bar);

This commit also fixes an issue with by-ref passing of $foo[0] like
variables. They previously weren't properly fetched for write.

Additionally this fixes valgrind warnings which were caused by access to
uninitialized memory in zend_is_function_or_method_call().

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Remove asterix modifier (*) for generators

Generators are now automatically detected by the presence of a `yield`
expression in their body.

This removes the ZEND_SUSPEND_AND_RET

Remove asterix modifier (*) for generators

Generators are now automatically detected by the presence of a `yield`
expression in their body.

This removes the ZEND_SUSPEND_AND_RETURN_GENERATOR opcode. Instead
additional checks for ZEND_ACC_GENERATOR are added to the fcall_common
helper and zend_call_function.

This also adds a new function zend_generator_create_zval, which handles
the actual creation of the generator zval from an op array.

I feel like I should deglobalize the zend_create_execute_data_from_op_array
code a bit. It currently changes EG(current_execute_data) and
EG(opline_ptr) which is somewhat confusing (given the name).

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Add sceleton for yield* expression

This does not yet actually implement any delegation.

Add support for yielding keys

Keys are yielded using the

yield $key => $value

syntax. Currently this is implemented as a statement only and not as an
expression, be

Add support for yielding keys

Keys are yielded using the

yield $key => $value

syntax. Currently this is implemented as a statement only and not as an
expression, because conflicts arise considering nesting and use in arrays:

yield yield $a => $b;
// could be either
yield (yield $a) => $b;
// or
yield (yield $a => $b);

Once I find some way to resolve these conflicts this should be available
as an expression too.

Also the key yielding code is rather copy-and-past-y for the value yielding
code, so that should be factored out.

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Add support for $generator->send()

Yield now is an expression and the return value is the value passed to
$generator->send(). By default (i.e. if ->next() is called) the value is
NUL

Add support for $generator->send()

Yield now is an expression and the return value is the value passed to
$generator->send(). By default (i.e. if ->next() is called) the value is
NULL.

Unlike in Python ->send() can be run without priming the generator with a
->next() call first.

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Add zend_do_suspend_if_generator calls

The execution of generator functions will be suspended right after the
arguments were RECVed. This will be done in zend_do_suspend_if_generator.

Add flag for generator functions

Generator functions have to specify the * (asterix) modifier after the
function keyword. If they do so the ZEND_ACC_GENERATOR flag is added to
the fn

Add flag for generator functions

Generator functions have to specify the * (asterix) modifier after the
function keyword. If they do so the ZEND_ACC_GENERATOR flag is added to
the fn_flags.

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Cleanup useless function declaration for traits

- Year++

- Year++

- Year++

Fixed bug #60104 (Segmentation Fault in pdo_sqlite when using sqliteCreateFunction())

Fixed bug #60104 (Segmentation Fault in pdo_sqlite when using sqliteCreateFunction())

Fixed ZE specific compile warnings (Bug #55629)

Fixed ZE specific compile warnings (Bug #55629)

- Added zend_is_auto_global_quick function

- Added zend_is_auto_global_quick function

- Changed zend_resolve_class_name() prototype
# No needed to pass fetch_type as pointer here

- Changed zend_resolve_class_name() prototype
# No needed to pass fetch_type as pointer here

- Fix broken code in 64bit

- Fix broken code in 64bit