[PATCH] D16308: clang-tidy Enhance readability-simplify-boolean-expr check to handle implicit conversions of integral types to bool and member pointers

Aaron Ballman via cfe-commits cfe-commits at lists.llvm.org
Tue Jan 19 07:34:29 PST 2016


aaron.ballman added a subscriber: aaron.ballman.
aaron.ballman added a reviewer: aaron.ballman.

================
Comment at: clang-tidy/readability/SimplifyBooleanExprCheck.h:50
@@ -49,3 +49,3 @@
 ///      opposite condition.
 ///   4. Implicit conversions of pointer to `bool` are replaced with explicit
 ///      comparisons to `nullptr`.
----------------
Can you also update for member pointers?

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Comment at: clang-tidy/readability/SimplifyBooleanExprCheck.h:77
@@ -74,3 +76,3 @@
 ///      implicit conversion of `i & 1` to `bool` and becomes
-///      `bool b = static_cast<bool>(i & 1);`.
+///      `bool b = i & 1 != 0;`.
 ///
----------------
To me, this does not improve readability -- I now have to think much harder about operator precedence. Including parens would help significantly, IMO, so that it becomes `(i & 1) != 0`.

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Comment at: docs/clang-tidy/checks/readability-simplify-boolean-expr.rst:59
@@ -56,3 +58,3 @@
 
   4. The conditional return ``if (p) return true; return false;`` has an
      implicit conversion of a pointer to ``bool`` and becomes
----------------
Update for member pointers.


http://reviews.llvm.org/D16308





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