https://bugs.llvm.org/show_bug.cgi?id=35262
Bug ID: 35262
Summary: Clang-Format fails with multi-line comments
Product: clang
Version: 5.0
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Formatter
Assignee: unassignedclangb...@nondot.org
Reporter: a...@grundis.de
CC: djas...@google.com, kli...@google.com,
llvm-bugs@lists.llvm.org
Created attachment 19392
--> https://bugs.llvm.org/attachment.cgi?id=19392&action=edit
File to test
Clang-format fails when using multi-line comments in a define where it should
align the escaped newlines.
There are 2 possible failures:
- It fails to format the code in question completely (mostly untouched)
- It adds another escaped newline. And again on next format, and again, and
again...
Testcase that triggers both:
#define FOO \
/* \
* Multi-line-comment: \
*/
#define BAR \
/*\
* Multi-line-comment\
*/
Save as clangFormat.cpp (see attachment) and run `clang-format.exe
-style="{AlignEscapedNewlines: Left}" clangFormat.cpp`
Result:
#define FOO \
/* \ \
* Multi-line-comment: \ \
*/
#define BAR \
/*\
* Multi-line-comment\
*/
On a related note: It will also add an extra newline before an opening brace in
a define and again fail to align the escaped newlines:
#define BAR \
{\
}
->
#define BAR \
\
{\
}
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