[PATCH] D30639: [clang-tidy] Ignore substituted template types in modernize-use-nullptr check.

[Haojian Wu via Phabricator via cfe-commits]

hokein updated this revision to Diff 90677.
hokein marked an inline comment as done.
hokein added a comment.

typo: vale => value.


https://reviews.llvm.org/D30639

Files:
  clang-tidy/modernize/UseNullptrCheck.cpp
  test/clang-tidy/modernize-use-nullptr.cpp


Index: test/clang-tidy/modernize-use-nullptr.cpp
===================================================================
--- test/clang-tidy/modernize-use-nullptr.cpp
+++ test/clang-tidy/modernize-use-nullptr.cpp
@@ -244,3 +244,14 @@
   bool a;
   a = ZZ(Hash());
 }
+
+// Test on ignoring substituted template types.
+template<typename T>
+class TemplateClass {
+ public:
+  explicit TemplateClass(int a, T default_value = 0) {}
+};
+
+void IgnoreSubstTemplateType() {
+  TemplateClass<int*> a(1);
+}
Index: clang-tidy/modernize/UseNullptrCheck.cpp
===================================================================
--- clang-tidy/modernize/UseNullptrCheck.cpp
+++ clang-tidy/modernize/UseNullptrCheck.cpp
@@ -39,6 +39,7 @@
 StatementMatcher makeCastSequenceMatcher() {
   StatementMatcher ImplicitCastToNull = implicitCastExpr(
       anyOf(hasCastKind(CK_NullToPointer), 
hasCastKind(CK_NullToMemberPointer)),
+      
unless(hasImplicitDestinationType(qualType(substTemplateTypeParmType()))),
       unless(hasSourceExpression(hasType(sugaredNullptrType()))));
 
   return castExpr(anyOf(ImplicitCastToNull,



Index: test/clang-tidy/modernize-use-nullptr.cpp
===================================================================
--- test/clang-tidy/modernize-use-nullptr.cpp
+++ test/clang-tidy/modernize-use-nullptr.cpp
@@ -244,3 +244,14 @@
   bool a;
   a = ZZ(Hash());
 }
+
+// Test on ignoring substituted template types.
+template<typename T>
+class TemplateClass {
+ public:
+  explicit TemplateClass(int a, T default_value = 0) {}
+};
+
+void IgnoreSubstTemplateType() {
+  TemplateClass<int*> a(1);
+}
Index: clang-tidy/modernize/UseNullptrCheck.cpp
===================================================================
--- clang-tidy/modernize/UseNullptrCheck.cpp
+++ clang-tidy/modernize/UseNullptrCheck.cpp
@@ -39,6 +39,7 @@
 StatementMatcher makeCastSequenceMatcher() {
   StatementMatcher ImplicitCastToNull = implicitCastExpr(
       anyOf(hasCastKind(CK_NullToPointer), hasCastKind(CK_NullToMemberPointer)),
+      unless(hasImplicitDestinationType(qualType(substTemplateTypeParmType()))),
       unless(hasSourceExpression(hasType(sugaredNullptrType()))));
 
   return castExpr(anyOf(ImplicitCastToNull,

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