Add ASTMatcher for matching extern "C" function declarations.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161974 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ASTMatchers/ASTMatchersTest.cpp b/unittests/ASTMatchers/ASTMatchersTest.cpp
index cf37c7d..dba9b7d 100644
--- a/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1099,6 +1099,12 @@
function(returns(hasDeclaration(record(hasName("Y")))))));
}
+TEST(IsExternC, MatchesExternCFunctionDeclarations) {
+ EXPECT_TRUE(matches("extern \"C\" void f() {}", function(isExternC())));
+ EXPECT_TRUE(matches("extern \"C\" { void f() {} }", function(isExternC())));
+ EXPECT_TRUE(notMatches("void f() {}", function(isExternC())));
+}
+
TEST(HasAnyParameter, DoesntMatchIfInnerMatcherDoesntMatch) {
EXPECT_TRUE(notMatches("class Y {}; class X { void x(int) {} };",
method(hasAnyParameter(hasType(record(hasName("X")))))));