[llvm-bugs] [Bug 48736] New: Ternary operators over multiple lines are always aligned, no option to treat them like regular continuation lines

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48736

            Bug ID: 48736
           Summary: Ternary operators over multiple lines are always
                    aligned, no option to treat them like regular
                    continuation lines
           Product: clang
           Version: 11.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Formatter
          Assignee: unassignedclangbugs at nondot.org
          Reporter: arnfranke at yahoo.com
                CC: djasper at google.com, klimek at google.com,
                    llvm-bugs at lists.llvm.org

Created attachment 24375
  --> https://bugs.llvm.org/attachment.cgi?id=24375&action=edit
Picture of absurd indentation when viewed on GitHub

For context, see https://github.com/godotengine/godot/pull/45136

It's currently not possible to have ternary continuation lines use the normal
continuation behavior. Clang-format insists on aligning ternary continuation
lines such that both of the possible values are aligned. In some cases this
leads to absurd code formatting. In the snippet I pointed out on GitHub, the
code doesn't start until column 61 (or column 121 for anyone using 8-size tabs
or viewing on GitHub) and continues for 60 more characters (for anyone using
8-size tabs, this means that the code doesn't end until column 181).

I would like to instead use the normal continuation line behavior, with the
"ContinuationIndentWidth" setting, so that ternary continuation lines are
always a fixed amount of width from the start of the main line just as other
continuation lines already do. Perhaps there should be a setting called
something like "AlignTernaryOperators" with a default setting of true, and then
I could set this to false to get the desired behavior (in the linked snippet
this would mean the line starts at column 25, or 49 for 8-size tabs).

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