private void generateUtilMethod()

in src/org/intellij/grammar/generator/ParserGenerator.java [2033:2072]
38 lines of code
19 McCabe index (conditional complexity)

  private void generateUtilMethod(String methodName,
                                  NavigatablePsiElement method,
                                  boolean intf,
                                  boolean isInPsiUtil,
                                  Set<String> visited) {
    List<String> methodTypes = method == null ? Collections.emptyList() : myJavaHelper.getMethodTypes(method);
    String returnType = methodTypes.isEmpty()? "void" : shorten(methodTypes.get(0));
    int offset = methodTypes.isEmpty() || isInPsiUtil && methodTypes.size() < 3 ? 0 :
                 isInPsiUtil ? 3 : 1;
    if (!visited.add(methodName + methodTypes.subList(offset, methodTypes.size()))) return;
    if (intf && methodTypes.size() == offset && "toString".equals(methodName)) return;

    List<JavaHelper.TypeParameterInfo> genericParameters = myJavaHelper.getGenericParameters(method);
    List<String> exceptionList = myJavaHelper.getExceptionList(method);

    if (!intf /*|| hasMethodInInfos*/) out(shorten(OVERRIDE_ANNO));
    for (String s : myJavaHelper.getAnnotations(method)) {
      if ("java.lang.Override".equals(s)) continue;
      if (s.startsWith("kotlin.")) continue;
      out("@" + shorten(s));
    }
    Function<Integer, List<String>> annoProvider = i -> myJavaHelper.getParameterAnnotations(method, (i - 1) / 2);
    Function<String, String> substitutor = ParserGeneratorUtil::unwrapTypeArgumentForParamList;
    out("%s%s%s %s(%s)%s%s",
        intf ? "" : "public ",
        getGenericClauseString(genericParameters, getShortener()),
        returnType,
        methodName,
        getParametersString(methodTypes, offset, 3, substitutor, annoProvider, getShortener()),
        getThrowsString(exceptionList, getShortener()),
        intf ? ";" : " {");
    if (!intf) {
      String implUtilRef = shorten(StringUtil.notNullize(myPsiImplUtilClass, KnownAttribute.PSI_IMPL_UTIL_CLASS.getName()));
      String string = getParametersString(methodTypes, offset, 2, substitutor, annoProvider, getShortener());
      out("%s%s.%s(this%s);", "void".equals(returnType) ? "" : "return ", implUtilRef, methodName,
          string.isEmpty() ? "" : ", " + string);
      out("}");
    }
    newLine();
  }