executeImpl method

@override Future executeImpl(Map<String, dynamic> params)

Implement the actual tool logic

params are the validated parameters (never null here) Returns the result data to send in the response

Implementation

@override
Future<dynamic> executeImpl(Map<String, dynamic> params) async {
  final code = params['code'] as String;
  final timeoutSec = params['timeout'] as int? ??
      TinkerSecurityConfig.defaultTimeoutSeconds;

  // Check memory before execution
  final initialMemory = ProcessInfo.currentRss;
  if (initialMemory > TinkerSecurityConfig.maxMemoryBytes) {
    return {
      'error': 'Memory limit exceeded',
      'message':
          'Current memory usage (${_formatBytes(initialMemory)}) exceeds limit (${_formatBytes(TinkerSecurityConfig.maxMemoryBytes)})',
      'result': null,
      'output': '',
      'executionTime': 0,
      'memoryUsed': initialMemory,
    };
  }

  try {
    // Execute in isolate with timeout
    final result = await _executeInIsolate(
      code,
      timeoutSec,
    );

    // Check memory after execution
    final finalMemory = ProcessInfo.currentRss;
    if (finalMemory > TinkerSecurityConfig.maxMemoryBytes) {
      return {
        ...result,
        'error': 'Memory limit exceeded during execution',
        'message': 'Execution exceeded memory limit',
      };
    }

    return result;
  } on TimeoutException {
    return {
      'error': 'Execution timeout',
      'message': 'Code execution exceeded $timeoutSec seconds',
      'result': null,
      'output': '',
      'executionTime': timeoutSec * 1000,
      'memoryUsed': ProcessInfo.currentRss,
    };
  } catch (e) {
    return {
      'error': 'Execution failed',
      'message': e.toString(),
      'result': null,
      'output': '',
      'executionTime': 0,
      'memoryUsed': ProcessInfo.currentRss,
    };
  }
}