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--TEST--
Re-entering Lua during a callback to PHP
--FILE--
<?php
$sandbox = new LuaSandbox;
$chunk = $sandbox->loadString('
function factorial(n)
if n <= 1 then
return 1
else
return n * test.factorial(n - 1)
end
end
return factorial
');
$ret = $chunk->call();
$luaFactorial = $ret[0];
$sandbox->registerLibrary( 'test', array( 'factorial' => 'factorial' ) );
function factorial($n) {
global $luaFactorial;
if ($n <= 1) {
return array(1);
} else {
$ret = $luaFactorial->call($n - 1);
return array($n * $ret[0]);
}
}
print implode('', factorial(10)) . "\n";
var_dump( $luaFactorial->call(10) );
try {
$luaFactorial->call(1000000000);
} catch ( LuaSandboxError $e ) {
print $e->getMessage() . "\n";
}
try {
factorial(1000000000);
} catch ( LuaSandboxError $e ) {
print $e->getMessage() . "\n";
}
--EXPECTF--
3628800
array(1) {
[0]=>
int(3628800)
}
%AWarning: LuaSandboxFunction::call(): Failed to generate Lua trace (C stack overflow) in %s on line %d
C stack overflow
%AWarning: LuaSandboxFunction::call(): Failed to generate Lua trace (C stack overflow) in %s on line %d
C stack overflow
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