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Support extended generator error debugging output in PHP7

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This commit is contained in:
Daniel Lowrey 2015-06-15 11:56:42 -04:00
parent deedb4a7fa
commit 57c0f222ea
1 changed files with 17 additions and 3 deletions
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20
lib/functions.php
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@ -641,9 +641,23 @@ function __coroutineSend($error, $result, $cs) {
} }
function __coroutineYieldError(\Generator $generator, $key, $yielded) { function __coroutineYieldError(\Generator $generator, $key, $yielded) {
$type = is_object($yielded) ? get_class($yielded) : gettype($yielded);
$msg = "Unexpected Generator yield (Promise|\"return\"|null expected); {$type} yielded at key {$key}";
if (PHP_MAJOR_VERSION < 7) {
return $msg;
}
$reflGen = new \ReflectionGenerator($generator);
$exeGen = $reflGen->getExecutingGenerator();
if ($exeGen !== $generator) {
// We're executing a subgenerator; use the correct reflection
$reflGen = new \ReflectionGenerator($exeGen);
}
return sprintf( return sprintf(
'Unexpected Generator yield (Promise|"return"|null expected); %s yielded at key %s', "%s on line %s in %s",
(is_object($yielded) ? get_class($yielded) : gettype($yielded)), $msg,
$key $reflGen->getExecutingLine(),
$reflGen->getExecutingFile()
); );
} }