[PATCH] D99543: [clang-tidy] Allow opt-in or out of some commonly occuring patterns in NarrowingConversionsCheck.

[Stephen Concannon via Phabricator via cfe-commits]

Stephen updated this revision to Diff 342409.
Stephen marked 2 inline comments as done.
Stephen added a comment.

Within clang-tidy's NarrowingConversionsCheck.

- Allow opt-out of some common occurring patterns, such as:
  - Implicit casts between types of equivalent bit widths.
  - Implicit casts occurring from the return of a ::size() method.
  - Implicit casts on size_type and difference_type.
- Allow opt-in of errors within template instantiations.

This will help projects adopt these guidelines iteratively.
Developed in conjunction with Yitzhak Mandelbaum (ymandel).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99543/new/

https://reviews.llvm.org/D99543

Files:
  clang-tools-extra/clang-tidy/cppcoreguidelines/NarrowingConversionsCheck.cpp
  clang-tools-extra/clang-tidy/cppcoreguidelines/NarrowingConversionsCheck.h
  clang-tools-extra/docs/clang-tidy/checks/cppcoreguidelines-narrowing-conversions.rst
  clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines-narrowing-conversions-equivalentbitwidth-option.cpp
  clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines-narrowing-conversions-ignoreconversionfromtypes-option.cpp
  clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines-narrowing-conversions-intemplates-option.cpp

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