Switch agent output from JSON to TOON for ~19% token reduction

composer.json

@@ -24,6 +24,8 @@
 		"nette/utils": "^3.2.5",
 		"nikic/php-parser": "^5.7.0",
 		"ondram/ci-detector": "^4.0",
+		"helgesverre/toon": "^1.0",
+		"shipfastlabs/agent-detector": "^1.0",
 		"ondrejmirtes/better-reflection": "6.65.0.9",
 		"ondrejmirtes/composer-attribute-collector": "^1.1.1",
 		"ondrejmirtes/php-merge": "^4.1",

conf/services.neon

@@ -197,6 +197,9 @@ services:
 		arguments:
 			pretty: true
 
+	errorFormatter.toon:
+		class: PHPStan\Command\ErrorFormatter\ToonErrorFormatter
+
 	stubFileTypeMapper:
 		class: PHPStan\Type\FileTypeMapper
 		arguments:

src/Command/AnalyseCommand.php

@@ -5,6 +5,7 @@
 use OndraM\CiDetector\CiDetector;
 use Override;
 use PHPStan\Analyser\InternalError;
+use PHPStan\Command\ErrorFormatter\AgentDetectedErrorFormatter;
 use PHPStan\Command\ErrorFormatter\BaselineNeonErrorFormatter;
 use PHPStan\Command\ErrorFormatter\BaselinePhpErrorFormatter;
 use PHPStan\Command\ErrorFormatter\ErrorFormatter;
@@ -235,11 +236,20 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 			$errorFormat = $inceptionResult->getContainer()->getParameter('errorFormat');
 		}
 
+		$container = $inceptionResult->getContainer();
+
+		if ($errorFormat === null) {
+			/** @var AgentDetectedErrorFormatter $agentFormatter */
+			$agentFormatter = $container->getByType(AgentDetectedErrorFormatter::class);
+			if ($agentFormatter->isAgentDetected()) {
+				$errorFormat = 'toon';
+			}
+		}
+
 		if ($errorFormat === null) {
 			$errorFormat = 'table';
 		}
 
-		$container = $inceptionResult->getContainer();
 		$errorFormatterServiceName = sprintf('errorFormatter.%s', $errorFormat);
 		if (!$container->hasService($errorFormatterServiceName)) {
 			$errorOutput->writeLineFormatted(sprintf(

src/Command/ErrorFormatter/AgentDetectedErrorFormatter.php

@@ -0,0 +1,35 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Command\ErrorFormatter;
+
+use AgentDetector\AgentDetector;
+use PHPStan\Command\AnalysisResult;
+use PHPStan\Command\Output;
+use PHPStan\DependencyInjection\AutowiredParameter;
+use PHPStan\DependencyInjection\AutowiredService;
+
+/**
+ * @api
+ */
+#[AutowiredService(as: AgentDetectedErrorFormatter::class)]
+final class AgentDetectedErrorFormatter implements ErrorFormatter
+{
+
+	public function __construct(
+		#[AutowiredParameter(ref: '@errorFormatter.toon')]
+		private ToonErrorFormatter $toonErrorFormatter,
+	)
+	{
+	}
+
+	public function isAgentDetected(): bool
+	{
+		return AgentDetector::detect()->isAgent;
+	}
+
+	public function formatErrors(AnalysisResult $analysisResult, Output $output): int
+	{
+		return $this->toonErrorFormatter->formatErrors($analysisResult, $output);
+	}
+
+}

src/Command/ErrorFormatter/ToonErrorFormatter.php

@@ -0,0 +1,65 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Command\ErrorFormatter;
+
+use HelgeSverre\Toon\Toon;
+use PHPStan\Command\AnalysisResult;
+use PHPStan\Command\Output;
+use Symfony\Component\Console\Formatter\OutputFormatter;
+use function count;
+
+final class ToonErrorFormatter implements ErrorFormatter
+{
+
+	public function formatErrors(AnalysisResult $analysisResult, Output $output): int
+	{
+		$errorsArray = [
+			'totals' => [
+				'errors' => count($analysisResult->getNotFileSpecificErrors()),
+				'file_errors' => count($analysisResult->getFileSpecificErrors()),
+			],
+			'files' => [],
+			'errors' => [],
+		];
+
+		$tipFormatter = new OutputFormatter(false);
+
+		foreach ($analysisResult->getFileSpecificErrors() as $fileSpecificError) {
+			$file = $fileSpecificError->getFile();
+			if (!isset($errorsArray['files'][$file])) {
+				$errorsArray['files'][$file] = [
+					'errors' => 0,
+					'messages' => [],
+				];
+			}
+			$errorsArray['files'][$file]['errors']++;
+
+			$message = [
+				'message' => $fileSpecificError->getMessage(),
+				'line' => $fileSpecificError->getLine(),
+				'ignorable' => $fileSpecificError->canBeIgnored(),
+			];
+
+			if ($fileSpecificError->getTip() !== null) {
+				$message['tip'] = $tipFormatter->format($fileSpecificError->getTip());
+			}
+
+			if ($fileSpecificError->getIdentifier() !== null) {
+				$message['identifier'] = $fileSpecificError->getIdentifier();
+			}
+
+			$errorsArray['files'][$file]['messages'][] = $message;
+		}
+
+		foreach ($analysisResult->getNotFileSpecificErrors() as $notFileSpecificError) {
+			$errorsArray['errors'][] = $notFileSpecificError;
+		}
+
+		$toon = Toon::encode($errorsArray);
+
+		$output->writeRaw($toon);
+
+		return $analysisResult->hasErrors() ? 1 : 0;
+	}
+
+}

src/Command/ErrorsConsoleStyle.php

@@ -2,6 +2,7 @@
 
 namespace PHPStan\Command;
 
+use AgentDetector\AgentDetector;
 use OndraM\CiDetector\CiDetector;
 use Override;
 use Symfony\Component\Console\Helper\Helper;
@@ -29,6 +30,8 @@ final class ErrorsConsoleStyle extends SymfonyStyle
 
 	private ?bool $isCiDetected = null;
 
+	private ?bool $isAgentDetected = null;
+
 	public function __construct(InputInterface $input, OutputInterface $output)
 	{
 		parent::__construct($input, $output);
@@ -45,6 +48,11 @@ private function isCiDetected(): bool
 		return $this->isCiDetected;
 	}
 
+	private function isAgentDetected(): bool
+	{
+		return $this->isAgentDetected ??= AgentDetector::detect()->isAgent;
+	}
+
 	/**
 	 * @param string[] $headers
 	 * @param string[][] $rows
@@ -95,9 +103,10 @@ public function createProgressBar(int $max = 0): ProgressBar
 		}
 
 		$ci = $this->isCiDetected();
-		$this->progressBar->setOverwrite(!$ci);
+		$agent = $this->isAgentDetected();
+		$this->progressBar->setOverwrite(!$ci && !$agent);
 
-		if ($ci) {
+		if ($ci || $agent) {
 			$this->progressBar->minSecondsBetweenRedraws(15);
 			$this->progressBar->maxSecondsBetweenRedraws(30);
 		} elseif (DIRECTORY_SEPARATOR === '\\') {