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.

1 files changed, 2 insertions, 0 deletions

diff --git a/Zend/zend_generators.h b/Zend/zend_generators.h
index 192e9e75c9..c9b43b31b6 100644
--- a/Zend/zend_generators.h
+++ b/Zend/zend_generators.h
@@ -30,6 +30,8 @@ typedef struct _zend_generator {
 	zend_execute_data *execute_data;
 	/* Current value */
 	zval *value;
+	/* Variable to put sent value into */
+	temp_variable *send_target;
 } zend_generator;
 
 extern ZEND_API zend_class_entry *zend_ce_generator;