[llvm-bugs] [Bug 34649] New: clang-format messes up comment indentations

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34649

            Bug ID: 34649
           Summary: clang-format messes up comment indentations
           Product: clang
           Version: 5.0
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Formatter
          Assignee: unassignedclangbugs at nondot.org
          Reporter: clemensgru at gmail.com
                CC: djasper at google.com, klimek at google.com,
                    llvm-bugs at lists.llvm.org

Hi,

I tried again to format a large codebase but there are still several problems
related to comment formatting/indentation, since my last bug report #33130,
which has been fixed. However there are still several outstanding problems.

As a quick fix, I'd like to know if there is a possibility to tell clang-format
to ignore all comments completely and what you think about such a flag until
these issues are fixed?

Here is a list of problems I observed with clang-format 5.0.0

Problem 1:
unsigned int
    /* a = 1, */ /* Comment A */
    b = 2,       /* Comment B */
    c = 3;       /* Comment C */

Becomes:
unsigned int
    /* a = 1, */ /* Comment A */
        b = 2,   /* Comment B */
    c = 3;       /* Comment C */

Problem 2:
    ...
  }

#endif
/* Comment belonging to #ifdef/endif */

Becomes:
    ...
  }

#endif
    /* Comment belonging to #ifdef/endif */

Problem 3:
  ..
  {
    if (a > 0)
    {
      /* Comment */
      ...

Becomes:
  ..
  {
    if (a > 0)
    {
    /* Comment */
      ...


Cheers,
Clemens

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