clang-format:将指针声明的星号 (*) 与变量名对齐

Question

我在 .clang-format 文件中使用以下选项:

AlignConsecutiveDeclarations: true
PointerAlignment: Right

当前格式化结果如下:

char *         var1;
SomeOtherType *var2;
int            var3;

我期望的结果是:

char          *var1; //note the changed position of * 
SomeOtherType *var2;
int            var3;

如何配置clang-format以将星号(*)与变量名称对齐，而不是与类型对齐 使用 AlignConsecutiveDeclarations 选项？

Answer 1

PointerAlignment: Right 不幸的是尚未实现。

参见https://github.com/llvm/llvm-project/blob/master/clang/lib/Format/WhitespaceManager.cpp#L643

void WhitespaceManager::alignConsecutiveDeclarations() {
  if (!Style.AlignConsecutiveDeclarations)
    return;

  // FIXME: Currently we don't handle properly the PointerAlignment: Right
  // The * and & are not aligned and are left dangling. Something has to be done
  // about it, but it raises the question of alignment of code like:
  //   const char* const* v1;
  //   float const* v2;
  //   SomeVeryLongType const& v3;

  AlignTokens(Style, [](Change const &C) { return C.IsStartOfDeclName; },
              Changes);
}