Add conversionDecl matcher for node CXXConversionDecl.

llvm-svn: 235348

3 files changed, 16 insertions, 0 deletions

diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h
index 6a7b5303604..3280083b2b8 100644
--- a/clang/include/clang/ASTMatchers/ASTMatchers.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -757,6 +757,15 @@ const internal::VariadicDynCastAllOfMatcher<
 /// \endcode
 const internal::VariadicDynCastAllOfMatcher<Decl, CXXMethodDecl> methodDecl;
 
+/// \brief Matches conversion operator declarations.
+///
+/// Example matches the operator.
+/// \code
+///   class X { operator int() const; };
+/// \endcode
+const internal::VariadicDynCastAllOfMatcher<Decl, CXXConversionDecl>
+    conversionDecl;
+
 /// \brief Matches variable declarations.
 ///
 /// Note: this does not match declarations of member variables, which are
diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
index e46e6dafadd..04d3a325631 100644
--- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -128,6 +128,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(constructorDecl);
   REGISTER_MATCHER(containsDeclaration);
   REGISTER_MATCHER(continueStmt);
+  REGISTER_MATCHER(conversionDecl);
   REGISTER_MATCHER(cStyleCastExpr);
   REGISTER_MATCHER(ctorInitializer);
   REGISTER_MATCHER(CUDAKernelCallExpr);
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index 4b0580a8147..46ddb8d0fb6 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1398,6 +1398,12 @@ TEST(Callee, MatchesDeclarations) {
 
   EXPECT_TRUE(matches("class Y { void x() { x(); } };", CallMethodX));
   EXPECT_TRUE(notMatches("class Y { void x() {} };", CallMethodX));
+
+  CallMethodX = callExpr(callee(conversionDecl()));
+  EXPECT_TRUE(
+      matches("struct Y { operator int() const; }; int i = Y();", CallMethodX));
+  EXPECT_TRUE(notMatches("struct Y { operator int() const; }; Y y = Y();",
+                         CallMethodX));
 }
 
 TEST(Callee, MatchesMemberExpressions) {