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Nikita Popov
4746e5efcb
Same check we do for "yield", was missed when "yield from" was added. We could make this more granular by only forbidding to actually yield values and still allow something like "yield from []", but this does not seem worthwhile.
38 lines
527 B
PHP
38 lines
527 B
PHP
--TEST--
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Cannot "yield from" from force closed generator
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--FILE--
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<?php
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function gen1() {
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echo "gen1\n";
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yield 1;
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}
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function gen2() {
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try {
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echo "try\n";
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yield from gen1();
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} finally {
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echo "finally\n";
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yield from gen1();
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}
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}
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try {
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$gen = gen2();
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$gen->rewind();
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unset($gen);
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} catch (Error $e) {
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echo $e, "\n";
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}
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?>
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--EXPECTF--
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try
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gen1
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finally
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Error: Cannot use "yield from" in a force-closed generator in %s:%d
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Stack trace:
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#0 %s(%d): gen2()
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#1 {main}
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