================
Comment at: clang-tidy/readability/RedundantVoidArgCheck.cpp:229
@@ +228,3 @@
+
+void RedundantVoidArgCheck::processNamedCastExpr(
+ const MatchFinder::MatchResult &Result, const CXXNamedCastExpr *NamedCast)
{
----------------
alexfh wrote:
> Now `processNamedCastExpr`, `processNamedCastExpr` and
> `processFunctionalCast` methods are almost identical and can be replaced by a
> single method. And I think this method should be `processExplicitCastExpr`
> that should have the same implementation.
>
> BTW, currently, the `processExplicitCastExpr` method can only be called if
> the code encounters the only class inherited from `ExplicitCastExpr` that is
> not handled explicitly: `ObjCBridgedCastExpr`.
>
> Once again: replace `processExplicitCastExpr` implementation with this:
> ```
> void RedundantVoidArgCheck::processExplicitCastExpr(
> const MatchFinder::MatchResult &Result,
> const ExplicitCastExpr *ExplicitCast) {
> if (protoTypeHasNoParms(ExplicitCast->getTypeAsWritten())) {
> removeVoidArgumentTokens(
> Result,
> ExplicitCast->getTypeInfoAsWritten()->getTypeLoc().getSourceRange(),
> "cast expression");
> }
> }
> ```
> ... and remove the other three `process...Cast` methods and the corresponding
> `if` branches.
>
> Also, register a single `explicitCastExpr` matcher instead of separate
> matchers for all kinds of casts.
Fixed. When I took out the cStyleCast matcher, this test case fails:
```
/home/richard/dev/llvm/tools/clang/tools/extra/test/clang-tidy/readability-redundant-void-arg.cpp:348:19:
error: expected string not found in input
// CHECK-FIXES: void (*f4)() = (void (*)()) 0;{{$}}
^
/home/richard/dev/llvm-build/tools/clang/tools/extra/test/clang-tidy/Output/readability-redundant-void-arg.cpp.tmp.cpp:341:3:
note: scanning from here
//
^
/home/richard/dev/llvm-build/tools/clang/tools/extra/test/clang-tidy/Output/readability-redundant-void-arg.cpp.tmp.cpp:345:3:
note: possible intended match here
void (*f4)() = (void (*)(void)) 0;
^
```
So I left in the matcher for `cStyleCastExpr`.
http://reviews.llvm.org/D7639
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