[ASTMatchers] Introduce a matcher for matching any given Objective-C selector

Incudes a tiny related refactoring.

Differential Revision: https://reviews.llvm.org/D44858

llvm-svn: 328747

1 files changed, 11 insertions, 0 deletions

diff --git a/clang/unittests/ASTMatchers/Dynamic/ParserTest.cpp b/clang/unittests/ASTMatchers/Dynamic/ParserTest.cpp
index 7224db0942a..d670e3129b8 100644
--- a/clang/unittests/ASTMatchers/Dynamic/ParserTest.cpp
+++ b/clang/unittests/ASTMatchers/Dynamic/ParserTest.cpp
@@ -236,6 +236,17 @@ TEST(ParserTest, FullParserTest) {
             Error.toStringFull());
 }
 
+TEST(ParserTest, VariadicMatchTest) {
+  Diagnostics Error;
+  llvm::Optional<DynTypedMatcher> OM(Parser::parseMatcherExpression(
+      "stmt(objcMessageExpr(hasAnySelector(\"methodA\", \"methodB:\")))",
+      &Error));
+  EXPECT_EQ("", Error.toStringFull());
+  auto M = OM->unconditionalConvertTo<Stmt>();
+  EXPECT_TRUE(matchesObjC("@interface I @end "
+                          "void foo(I* i) { [i methodA]; }", M));
+}
+
 std::string ParseWithError(StringRef Code) {
   Diagnostics Error;
   VariantValue Value;