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Map known PHP interfaces to zend_class_entry*

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Most pre-defined interfaces are accessible via zend_class_entry*
variables declared in the PHP C API - we can use these to add
an interface at MINIT time (rather than having to wait until RINIT to
look up by name) by having a mapping from PHP interface name to them.

This will also be a little faster than looking up by name.

Closes #2013
This commit is contained in:
Olly Betts 2021-05-05 12:02:38 +12:00
commit 3c168ef332
4 changed files with 124 additions and 19 deletions
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3
Lib/php/php.swg
View file

@ -547,3 +547,6 @@
/* php keywords */
%include <phpkw.swg>
/* PHP known interfaces */
%include <phpinterfaces.i>

62
Lib/php/phpinterfaces.i Normal file
View file

@ -0,0 +1,62 @@
/* -----------------------------------------------------------------------------
* phpinterfaces.i
*
* Define "known" PHP interfaces.
*
* These can be added at MINIT time (which is when PHP loads the extension
* module).
*
* Any interface can be added via phpinterfaces, but looking up the
* zend_class_entry by name has to wait until RINIT time, which means it
* happens for every request.
* ----------------------------------------------------------------------------- */
// Note: Abstract interfaces such as "Traversable" can't be used in
// "implements" so are not relevant here.
%insert(header) %{
#define SWIG_PHP_INTERFACE_Iterator_CE zend_ce_iterator
#define SWIG_PHP_INTERFACE_Iterator_HEADER "zend_interfaces.h"
#define SWIG_PHP_INTERFACE_IteratorAggregate_CE zend_ce_aggregate
#define SWIG_PHP_INTERFACE_IteratorAggregate_HEADER "zend_interfaces.h"
#define SWIG_PHP_INTERFACE_ArrayAccess_CE zend_ce_arrayaccess
#define SWIG_PHP_INTERFACE_ArrayAccess_HEADER "zend_interfaces.h"
#define SWIG_PHP_INTERFACE_Serializable_CE zend_ce_serializable
#define SWIG_PHP_INTERFACE_Serializable_HEADER "zend_interfaces.h"
#define SWIG_PHP_INTERFACE_Countable_CE zend_ce_countable
#define SWIG_PHP_INTERFACE_Countable_HEADER "zend_interfaces.h"
#define SWIG_PHP_INTERFACE_OuterIterator_CE spl_ce_OuterIterator
#define SWIG_PHP_INTERFACE_OuterIterator_HEADER "ext/spl/spl_iterators.h"
#define SWIG_PHP_INTERFACE_RecursiveIterator_CE spl_ce_RecursiveIterator
#define SWIG_PHP_INTERFACE_RecursiveIterator_HEADER "ext/spl/spl_iterators.h"
#define SWIG_PHP_INTERFACE_SeekableIterator_CE spl_ce_SeekableIterator
#define SWIG_PHP_INTERFACE_SeekableIterator_HEADER "ext/spl/spl_iterators.h"
#define SWIG_PHP_INTERFACE_SplObserver_CE spl_ce_SplObserver
#define SWIG_PHP_INTERFACE_SplObserver_HEADER "ext/spl/spl_observer.h"
#define SWIG_PHP_INTERFACE_SplSubject_CE spl_ce_SplSubject
#define SWIG_PHP_INTERFACE_SplSubject_HEADER "ext/spl/spl_observer.h"
#define SWIG_PHP_INTERFACE_DateTimeInterface_CE php_date_get_interface_ce()
#define SWIG_PHP_INTERFACE_DateTimeInterface_HEADER "ext/date/php_date.h"
// The "json" extension needs to be loaded earlier that us for this to work.
#define SWIG_PHP_INTERFACE_JsonSerializable_CE php_json_serializable_ce
#define SWIG_PHP_INTERFACE_JsonSerializable_HEADER "ext/json/php_json.h"
// New in PHP 8.0.
#if PHP_MAJOR >= 8
# define SWIG_PHP_INTERFACE_Stringable_CE zend_ce_stringable
# define SWIG_PHP_INTERFACE_Stringable_HEADER "zend_interfaces.h"
#endif
%}

2
Lib/php/phprun.swg
View file

@ -16,7 +16,9 @@ extern "C" {
# error These bindings need PHP 7 or later - to generate PHP5 bindings use: SWIG < 4.0.0 and swig -php5
#endif
#include "zend_inheritance.h"
#include "zend_exceptions.h"
#include "zend_inheritance.h"
#include <stdlib.h> /* for abort(), used in generated code. */