A CSC450 ass to build a program (in any lang) that recognizes var declaration in java

coode.dart

void main() {
  // call func
  // print(javaVarDecParser(
  //     accSpec: 'public',
  //     datatype: 'String',
  //     varName: 'uname',
  //     assOp: '=',
  //     val: 'ash267',
  //     sc: ';'));

  print(javaVarDecParser(
      accSpec: 'public', datatype: 'Money', varName: '76tree', sc: '+'));
}

enum ValidDatatypes { String, char, int, float, boolean }

enum AcceptedAccSpec { private, public, protected }
// var dec format
// [access specifier] datatype var_name = value;
// OR
// [access specifier] datatype var_name;
// e.g public int age = 6;

// 3 kinds access specifiers; public, private, and protected

bool javaVarDecParser(
    {String accSpec = "",
    required String datatype,
    required String varName,
    String assOp = "",
    String val = "",
    required String sc}) {
  int testPassed = 0;
  print('testPassed: $testPassed');
  if (!accSpec.isEmpty) {
    // contains a str; not empty
    if (accSpec.contains(AcceptedAccSpec.private.name) ||
        accSpec.contains(AcceptedAccSpec.public.name) ||
        accSpec.contains(AcceptedAccSpec.protected.name)) {
      // accepted access specifier found
      // record!
      testPassed = testPassed + 1;
      print('check1, testPassed: $testPassed');
    }
  }

  if (!assOp.isEmpty) {
    // contains a str
    if (assOp.contains('=')) {
      // ass op found!
      // record!
      testPassed = testPassed + 1;
      print('check2, testPassed: $testPassed');
    }
  }

  if (!val.isEmpty) {
    // record!
    testPassed = testPassed + 1;
    print('check3, testPassed: $testPassed');
  }

  if (datatype.contains(ValidDatatypes.String.name) ||
      datatype.contains(ValidDatatypes.char.name) ||
      datatype.contains(ValidDatatypes.int.name) ||
      datatype.contains(ValidDatatypes.float.name) ||
      datatype.contains(ValidDatatypes.boolean.name)) {
    // valid datatype found
    // record!
    testPassed = testPassed + 1;
    print('check4, testPassed: $testPassed');
  }

  if (!varName.contains(RegExp(r'[0-9]'), 0)) {
    // var name doesn't start with a non-letter
    // record!
    testPassed = testPassed + 1;
    print('check5, testPassed: $testPassed');
  }

  if (sc.contains(';')) {
    // semicolon found
    // record!
    testPassed = testPassed + 1;
    print('check6, testPassed: $testPassed');
  }

  // check test passed
  if (testPassed < 3) {
    print('failed! testPassed: $testPassed');
    return false;
  } else {
    print('success! testPassed: $testPassed');
    return true;
  }
}