https://llvm.org/bugs/show_bug.cgi?id=27716
Bug ID: 27716
Summary: Source manager line numbering ignores form feed
character 0x0c
Product: clang
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: libclang
Assignee: unassignedclangb...@nondot.org
Reporter: peter.elm...@yahoo.com
CC: kli...@google.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
DXR (cross ref tool) uses libclang to emit locations (line + col) for symbols
in a file. When the file has any form feed character then the line given by
clang SourceManager is incorrect because it does not consider form feed a line
break.
Note the unicode spec, http://unicode.org/reports/tr14/#BK, that defines the
behavior.
>From some initial inspection I think the issue is in
http://clang.llvm.org/doxygen/SourceManager_8cpp_source.html#l01200, which only
considers \r and \n.
For example, see the bug filed at
https://bugzilla.mozilla.org/show_bug.cgi?id=1224516.
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