[PATCH] D52135: [Clang-Tidy: modernize] Fix for modernize-redundant-void-arg: complains about variable cast to void

Idriss via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Sun Sep 16 10:24:18 PDT 2018


IdrissRio updated this revision to Diff 165683.
IdrissRio edited the summary of this revision.
IdrissRio added a comment.

Thank you @JonasToth.
I have update the patch and i have added two cases. The first an
instantiation of a non-templated function. The second is the instantiation
of a templatic funciton.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D52135

Files:
  clang-tidy/modernize/RedundantVoidArgCheck.cpp
  test/clang-tidy/modernize-redundant-void-arg.cpp


Index: test/clang-tidy/modernize-redundant-void-arg.cpp
===================================================================
--- test/clang-tidy/modernize-redundant-void-arg.cpp
+++ test/clang-tidy/modernize-redundant-void-arg.cpp
@@ -488,3 +488,42 @@
   // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: redundant void argument list in lambda expression [modernize-redundant-void-arg]
   // CHECK-FIXES: []() BODY;
 }
+
+
+struct S_1{
+ void g_1(void) const{
+  // CHECK-MESSAGES: :[[@LINE-1]]:11: warning: redundant void argument list in function definition [modernize-redundant-void-arg]
+  // CHECK-FIXES: void g_1() const{
+   int a;
+   (void)a;
+ }
+	
+ void g_2() const {
+   int a;
+   (void)a;
+ }
+	
+};
+
+template <typename T0>
+struct S_2{
+ void g_1(void) const{
+  // CHECK-MESSAGES: :[[@LINE-1]]:11: warning: redundant void argument list in function definition [modernize-redundant-void-arg]
+  // CHECK-FIXES: void g_1() const{
+   int a;
+   (void)a;
+ }
+	
+ void g_2() const {
+   int a;
+   (void)a;
+ }
+};
+
+//Instantiation of the two structs.
+void f_testTemplate(){
+  S_1();
+  S_2<int>();
+}
+
+
Index: clang-tidy/modernize/RedundantVoidArgCheck.cpp
===================================================================
--- clang-tidy/modernize/RedundantVoidArgCheck.cpp
+++ clang-tidy/modernize/RedundantVoidArgCheck.cpp
@@ -49,7 +49,7 @@
     return;
 
   Finder->addMatcher(functionDecl(parameterCountIs(0), unless(isImplicit()),
-                                  unless(isExternC()))
+                                  unless(isInstantiated()), unless(isExternC()))
                          .bind(FunctionId),
                      this);
   Finder->addMatcher(typedefNameDecl().bind(TypedefId), this);


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