[ASTMatchers] Add matcher hasAnyName.

Summary: Add matcher hasAnyName as an optimization over anyOf(hasName(),...)

Reviewers: alexfh

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D17163

llvm-svn: 261574
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index eb871f9..133dc70 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -2881,6 +2881,19 @@
   EXPECT_TRUE(matches(code, fieldDecl(hasName("::a::F(int)::S::m"))));
 }
 
+TEST(Matcher, HasAnyName) {
+  const std::string Code = "namespace a { namespace b { class C; } }";
+
+  EXPECT_TRUE(matches(Code, recordDecl(hasAnyName("XX", "a::b::C"))));
+  EXPECT_TRUE(matches(Code, recordDecl(hasAnyName("a::b::C", "XX"))));
+  EXPECT_TRUE(matches(Code, recordDecl(hasAnyName("XX::C", "a::b::C"))));
+  EXPECT_TRUE(matches(Code, recordDecl(hasAnyName("XX", "C"))));
+
+  EXPECT_TRUE(notMatches(Code, recordDecl(hasAnyName("::C", "::b::C"))));
+  EXPECT_TRUE(
+      matches(Code, recordDecl(hasAnyName("::C", "::b::C", "::a::b::C"))));
+}
+
 TEST(Matcher, IsDefinition) {
   DeclarationMatcher DefinitionOfClassA =
       recordDecl(hasName("A"), isDefinition());