/**
* Tokenize, parse, and execute a Cain program.
*
* $file should be an absolute file path or URI of the source code, or null to indicate in-memory
* source.
*
* $stream should be a stream resource for the $file or a string of the entire source code.
*
* In both cases, the source should hold a Program instance with a run message handler, the entry
* point for program start.
*/
function cain($file, $stream)
{
if ($file === null) {
$file = '(memory)';
}
$ct = new CainTokenizer($file, $stream);
$ct->tokenize();
$ci = new CainInterpreter($ct);
$roots = $ci->parse();
$ce = new CainExecutive($roots);
return $ce->run();
}
private static function cl($stream = null)
{
global $LIB;
$lib = new CainTokenizer(null, $LIB);
$lib->tokenize();
$src = null;
if ($stream) {
$src = new CainTokenizer(null, $stream);
$src->tokenize();
}
$ci = new CainInterpreter();
$roots = $ci->parse($lib);
if ($src) {
$roots = $ci->parse($src);
}
return $roots;
}
public function testMultipleStreams()
{
$ci = new CainInterpreter();
$ct1 = new CainTokenizer(null, 'type Any { }');
$ct1->tokenize();
$roots = $ci->parse($ct1);
$ct2 = new CainTokenizer(null, 'type String { Any test := {} }');
$ct2->tokenize();
$roots = $ci->parse($ct2, $roots);
$this->assertTrue($roots->get_container_by_name('Any') !== null);
$this->assertTrue($roots->get_container_by_name('String') !== null);
}
