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There is no reason to expect this tool to be limited to C++11, it seems
very likely to be of on-going interest. It seems likely to be useful for
modernizing even as new libraries come out in TSes and other formats
than a complete standard. Fundamentally, we need something a bit more
general. After some discussion on the list, going with
'clang-modernize'.
I've tried to do a reasonably comprehensive job of fixing up the names,
but I may still have missed some. Feel free to poke me if you spot any
fallout here. Things I've tried reasonably hard to find and fix:
- cpp11-migrate -> clang-modernize
- Migrator -> Modernizer
- Clean up the introductory documentation that was C++11 specific.
I'll also point out that this tool continues to delight me. =] Also,
a huge thanks to those who have so carefully, thoroughly documented the
tool. The docs here are simply phenomenal. Every tool should be this
well documented. I hope I have updated the documentation reasonably
well, but I'm not very good at documentation, so review much
appreciated.
llvm-svn: 189960
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The recent improvement to the Use Nullptr Transform for macro arg
expansions wasn't testing that only allowed NULL macros used in macro
args can be transformed. This revision replaces a TODO to that effect.
Fixes PR15955.
llvm-svn: 182014
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If a NullTo(Member)Pointer cast results from a macro arg expansion, all uses of
the arg must result in such casts or else the macro arg cannot be replaced with
'nullptr' safely. This revision adds logic and tests to ensure the safety of
replacing macro args in the Use-Nullptr Transform.
Fixes: PR15816
llvm-svn: 181221
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Previously UseNullptr matched separately implicit and explicit casts to nullptr,
now it matches casts that either are implict casts to nullptr or have an
implicit cast to nullptr within.
Also fixes PR15572 since the same macro replacement logic is applied to implicit
and explicit casts.
llvm-svn: 178494
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-use-nullptr only replaced macro named NULL and ignored any user defined
macros that behaved like NULL. This patch introduces -user-null-macros
command line option to let users specify their custom NULL like macros.
- Added a -user-null-macros command line option that takes a
comma-separated list of user-defined macros to be replaced when using
the -use-nullptr transform.
- Added documentation.
- Updated testcase to reflect current behavior.
- Whitespace fixes.
Reviewers: revane, klimek, gribozavr
llvm-svn: 178243
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In case of macro body expansion, check to see if the macro is named NULL and
don't replace inside the macro body. This fixes the case when NULL appears
inside the macro body and the transform replaces the usage of the macro with
nullptr. This is an easy fix for the problem for now and we should analyze the
macro body to see if it expands to only NullToPointer in the future for a more
robust solution that takes care of user defined macros that behaves like NULL.
Other changes:
- Moved complex macro tests to macros.cpp
- Added new test cases.
- Added checks to make sure that the macro bodies are not modified by the tool.
Fixes: PR15396
Author: Tareq A Siraj <tareq.a.siraj@intel.com>
llvm-svn: 177422
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