public function next(Scanner $scan)
{
// @todo: make \s skipping customizable
do {
// echo "\n\t{$this->name}: ".$scan->token();
$scan->next();
// echo ", ".$scan->token()."\n";
} while ($scan->type() === Scanner::WHITESPACE);
}
/**
* [type] $name [= default]
*
* @return array
* @throws Exception
*/
public function parse_args()
{
$token = $this->scanner->next();
if ($token['code'] === T_RPARENTHESIS) {
// No arguments
$this->scanner->back();
return [];
}
$arg = ['type' => 'mixed', 'name' => NULL, 'value' => [FALSE, NULL]];
if ($token['code'] === T_ARRAY || $token['code'] === T_STRING) {
// type
$arg['type'] = $token['value'];
$token = $this->scanner->next();
}
if ($token['code'] === T_VARIABLE) {
$arg['name'] = $token['value'];
$token = $this->scanner->next();
}
if ($token['code'] === T_ASSIGN) {
$token = $this->scanner->next();
$arg['value'] = [TRUE, $token['value']];
if ($token['value'] == '[') {
// TODO: allow initialization with non-empty arrays
$this->check(T_ARRAY_CLOSE);
}
$token = $this->scanner->next();
}
if ($token['code'] === T_RPARENTHESIS) {
$this->scanner->back();
if (is_null($arg['name'])) {
return [];
}
return [$arg];
} elseif ($token['code'] == T_COMMA) {
return array_merge([$arg], $this->parse_args());
}
}
*/
if (PHP_VERSION_ID < 50501) {
echo "Neni splnena minimalni verze PHP 5.5";
exit(15);
}
require_once __DIR__ . '/lib/debug.php';
require_once __DIR__ . '/scanner/Scanner.php';
require_once __DIR__ . '/parser/Parser.php';
require_once __DIR__ . '/precedence/Precedence.php';
if ($argc < 2) {
die("Wrong argument count. Usage is:\n\t./app source.php [--precedence]\n\tor\n\t./app folder");
}
try {
$scanner = new Scanner($argv[1]);
if ($argc > 2 and $argv[2] == '--precedence') {
$scanner->next();
// Skip open tag
$precedence = new Precedence($scanner);
$precedence->run();
echo "Generated expression: " . $precedence->getCode() . "\n";
} else {
$parser = new Parser($scanner);
$parser->parse_file();
}
} catch (EndOfFileException $e) {
echo "Code:\n\n\n";
$code = $parser->generator->getCode();
file_put_contents('test.cpp', $code);
echo $code;
echo "\n\n\nDone\n";
} catch (PrecedenceException $e) {
