/**
* @return PropertyGenerator
*/
protected function getActionTableProperty(Table $table)
{
$property = new PropertyGenerator('action', [], PropertyGenerator::FLAG_PROTECTED);
$property->setDocBlock(new DocBlockGenerator('Syntax analyse action table'));
$property->setDefaultValue(new PropertyValueGenerator($table->getTable()));
return $property;
}
/**
* Process
*/
public function process()
{
$situation = new Situation($this->table, $this->table->getStartRule());
$this->addState($situation->closure());
while (!$this->stateQueue->isEmpty()) {
/** @var State $state */
$state = $this->stateQueue->dequeue();
foreach ($state->getSituationSet()->getNextTokens() as $next) {
$transition = $this->addState($state->getSituationSet()->transition($next));
$state->addTransition($next, $transition);
}
}
}
public function testClosure()
{
$ruleA = new Rule('a', ['b', 'c']);
$ruleB = new Rule('b', ['a']);
$ruleC = new Rule('c', ['b']);
$table = new Table();
$table->addRule($ruleA, 'a');
$table->addRule($ruleB, 'b');
$table->addRule($ruleC, 'c');
$situation = new Situation($table, $ruleA);
$state = new SituationSet();
$state->add($situation);
$result = $state->closure();
$this->assertInstanceOf('Jungle\\SLR\\SituationSet', $result);
$this->assertCount(2, $result);
}
public function testGetReduce()
{
$object = new Table();
$this->assertEquals($object->getReduce('abc'), $object->getReduce('abc'));
$this->assertEquals($object->getReduce(' abc'), $object->getReduce('abc '));
$this->assertNotEquals($object->getReduce('abc'), $object->getReduce('abcd'));
}
/**
* @param InputInterface $input
* @param OutputInterface $output
*
* @return int|void
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$reader = new Syntax\Reader();
$schema = $reader->parseFile($input->getArgument('schema'));
$syntax = new Syntax($schema);
$table = new Table();
$table->fromSyntax($syntax);
$processorBuilder = new Processor\Builder();
$class = $processorBuilder->build($syntax, $table);
if ($input->getOption('class')) {
$class->setName($input->getOption('class'));
}
$content = '<?php' . PHP_EOL . PHP_EOL . $class->generate();
if ($input->getOption('output')) {
file_put_contents($input->getOption('output'), $content);
} else {
echo $content;
}
}
