protected function power(Parser $t)
{
$tail = new P\Sequence();
$tail->add(new P\Char('^'));
$a = new P\Alternative();
$a->add($t);
$a->add(new P\Signed($t));
$tail->add($a);
$tail->setHandler(new H\Operator());
$p = new P\Sequence();
$p->add($t);
$p->add(new P\Repeat($tail));
return $p;
}
public function testErrors()
{
try {
new I\Parser\Repeat(new I\Parser\Number(), 5, 2);
$this->assertFalse(true, 'Should exception thrown');
} catch (\Exception $e) {
}
$a = new I\Parser\Alternative();
$a->add(new I\Parser\Repeat(new I\Parser\Word('Точка'), 1));
$a->add(new I\Parser\Word('Дочка'));
$this->assertFalse($a->scan(self::scanner('Почка Ночка')));
$p = new I\Parser\FloatVal('3.14');
$this->assertTrue($p->scan(self::scanner('3.14')));
$this->assertFalse($p->scan(self::scanner('3.16')));
$this->assertFalse($p->scan(self::scanner('3.')));
$this->assertFalse($p->scan(self::scanner('3')));
$p = new I\Parser\FloatVal('3');
$this->assertTrue($p->scan(self::scanner('3')));
$this->assertFalse($p->scan(self::scanner('2')));
$this->assertFalse($p->scan(self::scanner('3.14')));
}
