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Implement direct iteration on JS generators

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This commit is contained in:
Stefan Siegl 2016-01-07 22:41:13 +01:00
parent 2c7a7ab87d
commit e686603b89
2 changed files with 104 additions and 15 deletions
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57
tests/generators_from_v8_002.phpt Normal file
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@ -0,0 +1,57 @@
--TEST--
Test V8::executeString() : Generators V8 -> PHP (direct)
--SKIPIF--
<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
--FILE--
<?php
$js = <<<EOJS
function* TheGen() {
for(var i = 0; i < 4; i ++) {
yield i;
}
}
TheGen();
EOJS;
$v8 = new V8Js();
$gen = $v8->executeString($js);
var_dump($gen->current());
// JS generators don't have the key concept (-> just "false")
var_dump($gen->key());
// fetching multiple times shouldn't leak
var_dump($gen->current());
var_dump($gen->current());
$gen->next(); // 1
var_dump($gen->current());
$gen->next(); // 2
var_dump($gen->current());
$gen->next(); // 3
var_dump($gen->current());
var_dump($gen->valid());
$gen->next(); // undef
var_dump($gen->current());
var_dump($gen->valid());
?>
===EOF===
--EXPECTF--
int(0)
bool(false)
int(0)
int(0)
int(1)
int(2)
int(3)
bool(true)
NULL
bool(false)
===EOF===

54
v8js_v8object_class.cc
View File

@ -479,14 +479,14 @@ static void v8js_v8generator_free_storage(zend_object *object) /* {{{ */
static zend_object *v8js_v8generator_new(zend_class_entry *ce) /* {{{ */
{
v8js_v8object *c;
c = (v8js_v8object *) ecalloc(1, sizeof(v8js_v8generator) + zend_object_properties_size(ce));
v8js_v8generator *c;
c = (v8js_v8generator *) ecalloc(1, sizeof(v8js_v8generator) + zend_object_properties_size(ce));
zend_object_std_init(&c->std, ce);
c->std.handlers = &v8js_v8object_handlers;
new(&c->v8obj) v8::Persistent<v8::Value>();
zend_object_std_init(&c->v8obj.std, ce);
c->v8obj.std.handlers = &v8js_v8generator_handlers;
new(&c->v8obj.v8obj) v8::Persistent<v8::Value>();
return &c->std;
return &c->v8obj.std;
}
/* }}} */
@ -539,6 +539,17 @@ static void v8js_v8generator_next(v8js_v8generator *g) /* {{{ */
}
/* }}} */
static zend_function *v8js_v8generator_get_method(zend_object **object_ptr, zend_string *method, const zval *key) /* {{{ */
{
zend_function *result = std_object_handlers.get_method(object_ptr, method, key);
if(!result) {
result = v8js_v8object_get_method(object_ptr, method, key);
}
return result;
}
/* }}} */
/* {{{ proto V8Generator::__construct()
*/
@ -575,6 +586,11 @@ PHP_METHOD(V8Generator, __wakeup)
PHP_METHOD(V8Generator, current)
{
v8js_v8generator *g = Z_V8JS_V8GENERATOR_OBJ_P(getThis());
if(!g->primed) {
v8js_v8generator_next(g);
}
RETVAL_ZVAL(&g->value, 1, 0);
}
/* }}} */
@ -660,16 +676,31 @@ static const zend_function_entry v8js_v8function_methods[] = { /* {{{ */
};
/* }}} */
ZEND_BEGIN_ARG_INFO(arginfo_v8generator_current, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_v8generator_key, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_v8generator_next, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_v8generator_rewind, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_v8generator_valid, 0)
ZEND_END_ARG_INFO()
static const zend_function_entry v8js_v8generator_methods[] = { /* {{{ */
PHP_ME(V8Generator, __construct, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
PHP_ME(V8Generator, __sleep, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
PHP_ME(V8Generator, __wakeup, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
PHP_ME(V8Generator, current, NULL, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, key, NULL, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, next, NULL, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, rewind, NULL, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, valid, NULL, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, current, arginfo_v8generator_current, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, key, arginfo_v8generator_key, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, next, arginfo_v8generator_next, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, rewind, arginfo_v8generator_rewind, ZEND_ACC_PUBLIC)
PHP_ME(V8Generator, valid, arginfo_v8generator_valid, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL}
};
@ -720,6 +751,7 @@ PHP_MINIT_FUNCTION(v8js_v8object_class) /* {{{ */
/* V8Generator handlers */
memcpy(&v8js_v8generator_handlers, &v8js_v8object_handlers, sizeof(zend_object_handlers));
v8js_v8generator_handlers.get_method = v8js_v8generator_get_method;
v8js_v8generator_handlers.offset = XtOffsetOf(struct v8js_v8generator, v8obj.std);
v8js_v8generator_handlers.free_obj = v8js_v8generator_free_storage;