Add isListInitialization matcher.

Differential Revision: http://llvm-reviews.chandlerc.com/D2708

llvm-svn: 200949

3 files changed, 17 insertions, 0 deletions

diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h
index 4be693f2929..5355a9a8578 100644
--- a/clang/include/clang/ASTMatchers/ASTMatchers.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -2186,6 +2186,11 @@ AST_POLYMORPHIC_MATCHER_P(hasAnyArgument, AST_POLYMORPHIC_SUPPORTED_TYPES_2(
   return false;
 }
 
+/// \brief Matches a constructor call expression which uses list initialization.
+AST_MATCHER(CXXConstructExpr, isListInitialization) {
+  return Node.isListInitialization();
+}
+
 /// \brief Matches the n'th parameter of a function declaration.
 ///
 /// Given
diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
index 1c7215e3273..11230ad049d 100644
--- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -231,6 +231,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(isExternC);
   REGISTER_MATCHER(isImplicit);
   REGISTER_MATCHER(isInteger);
+  REGISTER_MATCHER(isListInitialization);
   REGISTER_MATCHER(isOverride);
   REGISTER_MATCHER(isPrivate);
   REGISTER_MATCHER(isProtected);
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index 8825174c499..5c9753f9336 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1637,6 +1637,17 @@ TEST(Matcher, ConstructorArgumentCount) {
                  Constructor1Arg));
 }
 
+TEST(Matcher, ConstructorListInitialization) {
+  StatementMatcher ConstructorListInit = constructExpr(isListInitialization());
+
+  EXPECT_TRUE(
+      matches("class X { public: X(int); }; void x() { X x{0}; }",
+              ConstructorListInit));
+  EXPECT_FALSE(
+      matches("class X { public: X(int); }; void x() { X x(0); }",
+              ConstructorListInit));
+}
+
 TEST(Matcher,ThisExpr) {
   EXPECT_TRUE(
       matches("struct X { int a; int f () { return a; } };", thisExpr()));