[clang] [clang-format] Reuse AlignTokens for aligning macros (PR #164120)

[via cfe-commits]

================
@@ -683,61 +690,8 @@ void WhitespaceManager::alignConsecutiveMacros() {
     return Current->Next->SpacesRequiredBefore == SpacesRequiredBefore;
   };
 
-  unsigned MinColumn = 0;
-
-  // Start and end of the token sequence we're processing.
-  unsigned StartOfSequence = 0;
-  unsigned EndOfSequence = 0;
-
-  // Whether a matching token has been found on the current line.
-  bool FoundMatchOnLine = false;
-
-  // Whether the current line consists only of comments
-  bool LineIsComment = true;
-
-  unsigned I = 0;
-  for (unsigned E = Changes.size(); I != E; ++I) {
-    if (Changes[I].NewlinesBefore != 0) {
-      EndOfSequence = I;
-
-      // Whether to break the alignment sequence because of an empty line.
-      bool EmptyLineBreak = (Changes[I].NewlinesBefore > 1) &&
-                            !Style.AlignConsecutiveMacros.AcrossEmptyLines;
-
-      // Whether to break the alignment sequence because of a line without a
-      // match.
-      bool NoMatchBreak =
-          !FoundMatchOnLine &&
-          !(LineIsComment && Style.AlignConsecutiveMacros.AcrossComments);
-
-      if (EmptyLineBreak || NoMatchBreak) {
-        AlignMatchingTokenSequence(StartOfSequence, EndOfSequence, MinColumn,
-                                   AlignMacrosMatches, Changes);
-      }
-
-      // A new line starts, re-initialize line status tracking bools.
-      FoundMatchOnLine = false;
-      LineIsComment = true;
-    }
-
-    if (Changes[I].Tok->isNot(tok::comment))
-      LineIsComment = false;
-
-    if (!AlignMacrosMatches(Changes[I]))
-      continue;
-
-    FoundMatchOnLine = true;
-
-    if (StartOfSequence == 0)
-      StartOfSequence = I;
-
-    unsigned ChangeMinColumn = Changes[I].StartOfTokenColumn;
-    MinColumn = std::max(MinColumn, ChangeMinColumn);
-  }
-
-  EndOfSequence = I;
-  AlignMatchingTokenSequence(StartOfSequence, EndOfSequence, MinColumn,
-                             AlignMacrosMatches, Changes);
+  AlignTokens<decltype(AlignMacrosMatches) &, /*DontRecurse=*/true>(
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owenca wrote:

`/*SimpleCheck=*/true` instead?

https://github.com/llvm/llvm-project/pull/164120