Raphael Isemann 659f4bd87e [clang] Add an option for hiding line numbers in diagnostics ... Clang offers a `-f[no]-show-column` flag for hiding the column numbers when printing diagnostics but there is no option for doing the same with line numbers. In LLDB having this option would be useful, as LLDB sometimes only knows the file name for a SourceLocation and just assigns it the dummy line/column `1:1`. These fake line/column numbers are confusing to the user and LLDB should be able to tell clang to hide *both* the column and the line number when rendering text diagnostics. This patch adds a flag for also hiding the line numbers. It's not exposed via the command line flags as it's most likely not very useful for any user and can lead to ambiguous output when the user decides to only hide either the line or the column number (where `file:1: ...` could now refer to both line 1 or column 1 depending on the compiler flags). LLDB can just access the DiagnosticOptions directly when constructing its internal Clang instance. The effect doesn't apply to Vi/MSVC style diagnostics because it's not defined how these diagnostic styles would show an omitted line number (MSVC doesn't have such an option and Vi's line mode is theory only supporting line numbers if I understand it correctly). Reviewed By: thakis, MaskRay Differential Revision: https://reviews.llvm.org/D83038		2020-11-05 16:10:18 +01:00
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clang	[clang] Add an option for hiding line numbers in diagnostics	2020-11-05 16:10:18 +01:00
clang-c	Address ABI issues introduced with CXCursor_CXXAddrspaceCastExpr	2020-10-30 14:12:01 +00:00
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