can you retrieve the name of the current function in dart

Sofa King Awesome answered on January 23, 2022 Popularity 1/10 Helpfulness 1/10

answer can you retrieve the name of the current function in dart

can you retrieve the name of the current function in dart

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class LoggerStackTrace {
  const LoggerStackTrace._({
    required this.functionName,
    required this.callerFunctionName,
    required this.fileName,
    required this.lineNumber,
    required this.columnNumber,
  });

  factory LoggerStackTrace.from(StackTrace trace) {
    final frames = trace.toString().split('\n');
    final functionName = _getFunctionNameFromFrame(frames[0]);
    final callerFunctionName = _getFunctionNameFromFrame(frames[1]);
    final fileInfo = _getFileInfoFromFrame(frames[0]);

    return LoggerStackTrace._(
      functionName: functionName,
      callerFunctionName: callerFunctionName,
      fileName: fileInfo[0],
      lineNumber: int.parse(fileInfo[1]),
      columnNumber: int.parse(fileInfo[2].replaceFirst(')', '')),
    );
  }

  final String functionName;
  final String callerFunctionName;
  final String fileName;
  final int lineNumber;
  final int columnNumber;

  static List<String> _getFileInfoFromFrame(String trace) {
    final indexOfFileName = trace.indexOf(RegExp('[A-Za-z]+.dart'));
    final fileInfo = trace.substring(indexOfFileName);

    return fileInfo.split(':');
  }

  static String _getFunctionNameFromFrame(String trace) {
    final indexOfWhiteSpace = trace.indexOf(' ');
    final subStr = trace.substring(indexOfWhiteSpace);
    final indexOfFunction = subStr.indexOf(RegExp('[A-Za-z0-9]'));

    return subStr
        .substring(indexOfFunction)
        .substring(0, subStr.substring(indexOfFunction).indexOf(' '));
  }

  @override
  String toString() {
    return 'LoggerStackTrace('
        'functionName: $functionName, '
        'callerFunctionName: $callerFunctionName, '
        'fileName: $fileName, '
        'lineNumber: $lineNumber, '
        'columnNumber: $columnNumber)';
  }
}

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: dart function whatever

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Contributed on Jan 23 2022

Sofa King Awesome

0 Answers Avg Quality 2/10

can you retrieve the name of the current function in dart

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