[PATCH] D143375: clang-tidy: Count template constructors in modernize-use-default-member-init

[Marco Falke via Phabricator via cfe-commits]

MarcoFalke updated this revision to Diff 496094.
MarcoFalke added a comment.

Simplify patch and remove test case failing on Windows, but passing on Linux


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D143375/new/

https://reviews.llvm.org/D143375

Files:
  clang-tools-extra/clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
  
clang-tools-extra/test/clang-tidy/checkers/modernize/use-default-member-init.cpp


Index: 
clang-tools-extra/test/clang-tidy/checkers/modernize/use-default-member-init.cpp
===================================================================
--- 
clang-tools-extra/test/clang-tidy/checkers/modernize/use-default-member-init.cpp
+++ 
clang-tools-extra/test/clang-tidy/checkers/modernize/use-default-member-init.cpp
@@ -60,6 +60,12 @@
     int i;
 };
 
+struct TwoConstructorsTpl {
+  TwoConstructorsTpl() : i{7} {}
+  template <typename T> TwoConstructorsTpl(T, int) : i(8) {}
+  int i;
+};
+
 struct PositiveNotDefaultOOLInt {
   PositiveNotDefaultOOLInt(int);
   int i;
@@ -237,6 +243,14 @@
 NegativeTemplate<int> nti;
 NegativeTemplate<double> ntd;
 
+template <typename T> struct PositiveTemplate {
+  PositiveTemplate() : i(9) {}
+  // CHECK-FIXES: PositiveTemplate()  {}
+  int i;
+  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer 
for 'i'
+  // CHECK-FIXES: int i{9};
+};
+
 struct NegativeDefaultMember {
   NegativeDefaultMember() {}
   int i = 2;
Index: clang-tools-extra/clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
+++ clang-tools-extra/clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
@@ -246,8 +246,12 @@
   // Check whether we have multiple hand-written constructors and bomb out, as
   // it is hard to reconcile their sets of member initializers.
   const auto *ClassDecl = cast<CXXRecordDecl>(Field->getParent());
-  if (llvm::count_if(ClassDecl->ctors(), [](const CXXConstructorDecl *Ctor) {
-        return !Ctor->isCopyOrMoveConstructor();
+  if (llvm::count_if(ClassDecl->decls(), [](const Decl *D) {
+        if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D))
+          D = FTD->getTemplatedDecl();
+        if (const auto *Ctor = dyn_cast<CXXConstructorDecl>(D))
+          return !Ctor->isCopyOrMoveConstructor();
+        return false;
       }) > 1)
     return;
 



Index: clang-tools-extra/test/clang-tidy/checkers/modernize/use-default-member-init.cpp
===================================================================
--- clang-tools-extra/test/clang-tidy/checkers/modernize/use-default-member-init.cpp
+++ clang-tools-extra/test/clang-tidy/checkers/modernize/use-default-member-init.cpp
@@ -60,6 +60,12 @@
     int i;
 };
 
+struct TwoConstructorsTpl {
+  TwoConstructorsTpl() : i{7} {}
+  template <typename T> TwoConstructorsTpl(T, int) : i(8) {}
+  int i;
+};
+
 struct PositiveNotDefaultOOLInt {
   PositiveNotDefaultOOLInt(int);
   int i;
@@ -237,6 +243,14 @@
 NegativeTemplate<int> nti;
 NegativeTemplate<double> ntd;
 
+template <typename T> struct PositiveTemplate {
+  PositiveTemplate() : i(9) {}
+  // CHECK-FIXES: PositiveTemplate()  {}
+  int i;
+  // CHECK-MESSAGES: :[[@LINE-1]]:7: warning: use default member initializer for 'i'
+  // CHECK-FIXES: int i{9};
+};
+
 struct NegativeDefaultMember {
   NegativeDefaultMember() {}
   int i = 2;
Index: clang-tools-extra/clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
+++ clang-tools-extra/clang-tidy/modernize/UseDefaultMemberInitCheck.cpp
@@ -246,8 +246,12 @@
   // Check whether we have multiple hand-written constructors and bomb out, as
   // it is hard to reconcile their sets of member initializers.
   const auto *ClassDecl = cast<CXXRecordDecl>(Field->getParent());
-  if (llvm::count_if(ClassDecl->ctors(), [](const CXXConstructorDecl *Ctor) {
-        return !Ctor->isCopyOrMoveConstructor();
+  if (llvm::count_if(ClassDecl->decls(), [](const Decl *D) {
+        if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D))
+          D = FTD->getTemplatedDecl();
+        if (const auto *Ctor = dyn_cast<CXXConstructorDecl>(D))
+          return !Ctor->isCopyOrMoveConstructor();
+        return false;
       }) > 1)
     return;
 

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