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<?php |
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|
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namespace Amp; |
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|
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class InvalidYieldError extends \Error |
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{ |
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/** |
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* @param \Generator $generator |
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* @param string $prefix |
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* @param \Throwable|null $previous |
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*/ |
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public function __construct(\Generator $generator, string $prefix, \Throwable $previous = null) |
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{ |
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$yielded = $generator->current(); |
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$prefix .= \sprintf( |
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"; %s yielded at key %s", |
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\is_object($yielded) ? \get_class($yielded) : \gettype($yielded), |
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\var_export($generator->key(), true) |
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); |
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|
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if (!$generator->valid()) { |
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parent::__construct($prefix, 0, $previous); |
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return; |
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} |
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|
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$reflGen = new \ReflectionGenerator($generator); |
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$exeGen = $reflGen->getExecutingGenerator(); |
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if ($isSubgenerator = ($exeGen !== $generator)) { |
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$reflGen = new \ReflectionGenerator($exeGen); |
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} |
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|
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parent::__construct(\sprintf( |
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"%s on line %s in %s", |
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$prefix, |
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$reflGen->getExecutingLine(), |
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$reflGen->getExecutingFile() |
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), 0, $previous); |
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} |
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} |
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|
