Thanks for the comments. The new version is attached. Wrt two of your questions:
(1) “The description that you have on CheckShadowInheritedVariables isn't
really the type of comments that we have in doxygen form. Im not sure if its
in line with the rest of the code.”
I’ve read through the doxygen wiki; hopefully it’s fixed; let me know if it’s
still wrong
(2) “Why are you checking that the DeclContext has a definition rather than the
record itself?”
There are cases like “struct A; struct B : A {};”, where A does not have a
definition. The compiler will hit an assertion failure if we call A.bases()
directly.
Thanks
James
From: Saleem Abdulrasool <compn...@compnerd.org>
Date: Tuesday, January 24, 2017 at 7:10 PM
To: James Sun <james...@fb.com>
Cc: "cfe-commits@lists.llvm.org" <cfe-commits@lists.llvm.org>, Aaron Ballman
<aa...@aaronballman.com>, Richard Smith <rich...@metafoo.co.uk>
Subject: Re: Add warning for c++ member variable shadowing
Some more stylistic comments:
The description that you have on CheckShadowInheritedVariables isn't really the
type of comments that we have in doxygen form. Im not sure if its in line with
the rest of the code.
The ignore warning comments are restating what is in the code, please remove
them.
Could you make the header and the source file match the name?
Why are you checking that the DeclContext has a definition rather than the
record itself?
Space after the <<.
Don't use the cast for the check, use isa. Although, since you use the value
later, it is probably better to write this as:
if (const auto *RD = cast<CXXRecordDecl>(CurContext))
CheckShadowInheritedVariabless(Loc, Name.getAsString(), RD, RD);
On Tue, Jan 24, 2017 at 4:06 PM, James Sun via cfe-commits
<cfe-commits@lists.llvm.org<mailto:cfe-commits@lists.llvm.org>> wrote:
Coding style change
From: James Sun <james...@fb.com<mailto:james...@fb.com>>
Date: Tuesday, January 24, 2017 at 2:36 PM
To: "cfe-commits@lists.llvm.org<mailto:cfe-commits@lists.llvm.org>"
<cfe-commits@lists.llvm.org<mailto:cfe-commits@lists.llvm.org>>
Subject: Add warning for c++ member variable shadowing
Dear members
Here is a patch (attached) to create warnings where a member variable shadows
the one in one of its inheriting classes. For cases where we really don't want
to shadow member variables, e.g.
class a {
int foo;
}
class b : a {
int foo; // Generate a warning
}
This patch
(1) adds a member variable shadowing checking, and
(2) incorporates it to the unit tests.
Comments are welcome.
Thanks
James
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--
Saleem Abdulrasool
compnerd (at) compnerd (dot) org
inheritance-shadow-warning-v0.3.patch
Description: inheritance-shadow-warning-v0.3.patch
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