https://bugs.llvm.org/show_bug.cgi?id=45512
Bug ID: 45512
Summary: BraceWrapping: AfterControlStatement: MultiLine Not
work when ColumnLimit = 0
Product: clang
Version: 10.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Formatter
Assignee: unassignedclangb...@nondot.org
Reporter: ujif...@yandex.ru
CC: djas...@google.com, kli...@google.com,
llvm-bugs@lists.llvm.org
Created attachment 23344
--> https://bugs.llvm.org/attachment.cgi?id=23344&action=edit
full .clang-format config
Summary shows the main problem.
When ColumnLimit = 0
.clang-format part:
```
BraceWrapping:
AfterCaseLabel: true
AfterClass: true
AfterControlStatement: MultiLine
BreakBeforeBinaryOperators: None
ColumnLimit: 0
```
BreakBeforeBinaryOperators is none beacuse clang-format remove all line breaks
in `if ()` statement in other case. I want to save line breaks that are made by
human.
So with such config one get this:
```
// Input
if (someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpression &&
someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpressionAgain &&
someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpressionAndOneMoreTime) {
someCodeHere();
anotherCall();
int someAssignment = 0;
}
// Result, that makes readability very poor
if (someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpression &&
someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpressionAgain &&
someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpressionAndOneMoreTime) {
someCodeHere();
anotherCall();
int someAssignment = 0;
}
// Expected result
if (someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpression &&
someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpressionAgain &&
someVeryVeryVeryVeryVeryVeryVeryVeryVeryLongExpressionAndOneMoreTime)
{
someCodeHere();
anotherCall();
int someAssignment = 0;
}
```
It looks like multiline is detected only when ColumnLimit is on and if content
exceeds this limit.
Mechanism doesn't see places that are already multilines.
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