Add TemplateArgument related matchers to the registry.

Summary:
Continue adding more matchers to the dynamic registry.
This time, we add TemplateArgument matchers.

Reviewers: klimek

CC: cfe-commits, revane

Differential Revision: http://llvm-reviews.chandlerc.com/D1166

llvm-svn: 186514

clang/lib/ASTMatchers/Dynamic/Registry.cpp

@@ -56,10 +56,6 @@ void RegistryMaps::registerMatcher(StringRef MatcherName,
 RegistryMaps::RegistryMaps() {
   // TODO: Here is the list of the missing matchers, grouped by reason.
   //
-  // Need DynTypedNode fixes:
-  // hasAnyTemplateArgument
-  // hasTemplateArgument
-  //
   // Need Variant/Parser fixes:
   // ofKind
   //
@@ -155,6 +151,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(hasAnyConstructorInitializer);
   REGISTER_MATCHER(hasAnyParameter);
   REGISTER_MATCHER(hasAnySubstatement);
+  REGISTER_MATCHER(hasAnyTemplateArgument);
   REGISTER_MATCHER(hasAnyUsingShadowDecl);
   REGISTER_MATCHER(hasArgument);
   REGISTER_MATCHER(hasArgumentOfType);
@@ -189,6 +186,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(hasSizeExpr);
   REGISTER_MATCHER(hasSourceExpression);
   REGISTER_MATCHER(hasTargetDecl);
+  REGISTER_MATCHER(hasTemplateArgument);
   REGISTER_MATCHER(hasTrueExpression);
   REGISTER_MATCHER(hasUnaryOperand);
   REGISTER_MATCHER(hasValueType);

clang/unittests/ASTMatchers/Dynamic/RegistryTest.cpp

@@ -157,6 +157,20 @@ TEST_F(RegistryTest, PolymorphicMatchers) {
 #endif
 }
 
+TEST_F(RegistryTest, TemplateArgument) {
+  Matcher<Decl> HasTemplateArgument = constructMatcher(
+      "classTemplateSpecializationDecl",
+      constructMatcher(
+          "hasAnyTemplateArgument",
+          constructMatcher("refersToType",
+                           constructMatcher("asString", std::string("int")))))
+      .getTypedMatcher<Decl>();
+  EXPECT_TRUE(matches("template<typename T> class A {}; A<int> a;",
+                      HasTemplateArgument));
+  EXPECT_FALSE(matches("template<typename T> class A {}; A<char> a;",
+                       HasTemplateArgument));
+}
+
 TEST_F(RegistryTest, TypeTraversal) {
   Matcher<Type> M = constructMatcher(
       "pointerType",