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IWYU: Add more mappings for std::__decay_and_strip

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IWYU incorrectly classifies this internal STL type as not internal, and
suggests including `<type_traits>` for it.  Work around the problem by
mapping the offending names to a file that we always include.

See include-what-you-use issue 434.
This commit is contained in:
Brad King
2017-11-21 14:20:37 -05:00
parent baa19f658f
commit e5fdbcc9da
1 changed files with 2 additions and 0 deletions
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Utilities/IWYU/mapping.imp
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@@ -52,11 +52,13 @@
# __decay_and_strip is used internally in the C++11 standard library.
# IWYU does not classify it as internal and suggests to add <type_traits>.
# To ignore it, we simply map it to a file that is included anyway.
# Use '-Xiwyu -v7' to see the fully qualified names that need this.
# TODO: Can this be simplified with an @-expression?
#{ symbol: [ "@std::__decay_and_strip<.*>::__type", private, "\"cmConfigure.h\"", public ] },
{ symbol: [ "std::__decay_and_strip<cmCommand *&>::__type", private, "\"cmConfigure.h\"", public ] },
{ symbol: [ "std::__decay_and_strip<cmGeneratorTarget *&>::__type", private, "\"cmConfigure.h\"", public ] },
{ symbol: [ "std::__decay_and_strip<cmFindCommon::PathLabel &>::__type", private, "\"cmConfigure.h\"", public ] },
{ symbol: [ "std::__decay_and_strip<cmSearchPath>::__type", private, "\"cmConfigure.h\"", public ] },
{ symbol: [ "std::__decay_and_strip<std::basic_string<char> &>::__type", private, "\"cmConfigure.h\"", public ] },
{ symbol: [ "std::__decay_and_strip<const std::basic_string<char> &>::__type", private, "\"cmConfigure.h\"", public ] },
{ symbol: [ "std::__decay_and_strip<cmFindPackageCommand::PathLabel &>::__type", private, "\"cmConfigure.h\"", public ] },