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php-language-server/bin/php-language-server.php

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3.0 KiB
PHP

<?php
use Amp\ByteStream\ResourceInputStream;
use Amp\ByteStream\ResourceOutputStream;
use Amp\Loop;
use Amp\Socket\ClientSocket;
use Amp\Socket\ServerSocket;
use Composer\XdebugHandler\XdebugHandler;
use LanguageServer\{LanguageServer, ProtocolStreamReader, ProtocolStreamWriter, StderrLogger};
$options = getopt('', ['tcp::', 'tcp-server::', 'memory-limit::']);
ini_set('memory_limit', $options['memory-limit'] ?? '4G');
foreach ([__DIR__ . '/../../../autoload.php', __DIR__ . '/../autoload.php', __DIR__ . '/../vendor/autoload.php'] as $file) {
if (file_exists($file)) {
require $file;
break;
}
}
// Convert all errors to ErrorExceptions
set_error_handler(function (int $severity, string $message, string $file, int $line) {
if (!(error_reporting() & $severity)) {
// This error code is not included in error_reporting (can also be caused by the @ operator)
return;
}
throw new \ErrorException($message, 0, $severity, $file, $line);
});
$logger = new StderrLogger();
// Only write uncaught exceptions to STDERR, not STDOUT
set_exception_handler(function (\Throwable $e) use ($logger) {
$logger->critical((string)$e);
});
@cli_set_process_title('PHP Language Server');
// If XDebug is enabled, restart without it
$xdebugHandler = new XdebugHandler('PHPLS');
$xdebugHandler->setLogger($logger);
$xdebugHandler->check();
unset($xdebugHandler);
if (!empty($options['tcp'])) {
// Connect to a TCP server
$address = $options['tcp'];
$server = function () use ($logger, $address) {
/** @var ClientSocket $socket */
$socket = yield Amp\Socket\connect('tcp://' . $address);
$ls = new LanguageServer(
new ProtocolStreamReader($socket),
new ProtocolStreamWriter($socket)
);
yield $ls->getshutdownDeferred();
};
} else if (!empty($options['tcp-server'])) {
// Run a TCP Server
$address = $options['tcp-server'];
$server = function () use ($logger, $address) {
$server = Amp\Socket\listen('tcp://' . $address);
$logger->debug("Server listening on $address");
while ($socket = yield $server->accept()) {
/** @var ServerSocket $socket */
list($ip, $port) = \explode(':', $socket->getRemoteAddress());
$logger->debug("Accepted connection from {$ip}:{$port}." . PHP_EOL);
Loop::run(function () use ($socket) {
$ls = new LanguageServer(
new ProtocolStreamReader($socket),
new ProtocolStreamWriter($socket)
);
yield $ls->getshutdownDeferred();
});
}
};
} else {
// Use STDIO
$logger->debug('Listening on STDIN');
$inputStream = new ResourceInputStream(STDIN);
$outputStream = new ResourceOutputStream(STDOUT);
$ls = new LanguageServer(
new ProtocolStreamReader($inputStream),
new ProtocolStreamWriter($outputStream)
);
$server = function () use ($ls) {
yield $ls->getshutdownDeferred();
};
}
Loop::run($server);