Add support for a few Objective-C matchers.
Add some matchers for Objective-C selectors and messages to
ASTMatchers.h. Minor mods to ASTMatchersTest.h to allow test files with
".m" extension in addition to ".cpp". New tests added to
ASTMatchersTest.c.
Patch by Dean Sutherland.
llvm-svn: 232051
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index d43e3f3..7edec96 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -4714,5 +4714,50 @@
#endif // LLVM_ON_WIN32
+
+TEST(ObjCMessageExprMatcher, SimpleExprs) {
+ // don't find ObjCMessageExpr where none are present
+ EXPECT_TRUE(notMatchesObjC("", objcMessageExpr(anything())));
+
+ std::string Objc1String =
+ "@interface Str "
+ " - (Str *)uppercaseString:(Str *)str;"
+ "@end "
+ "@interface foo "
+ "- (void)meth:(Str *)text;"
+ "@end "
+ " "
+ "@implementation foo "
+ "- (void) meth:(Str *)text { "
+ " [self contents];"
+ " Str *up = [text uppercaseString];"
+ "} "
+ "@end ";
+ EXPECT_TRUE(matchesObjC(
+ Objc1String,
+ objcMessageExpr(anything())));
+ EXPECT_TRUE(matchesObjC(
+ Objc1String,
+ objcMessageExpr(hasSelector("contents"))));
+ EXPECT_TRUE(matchesObjC(
+ Objc1String,
+ objcMessageExpr(matchesSelector("cont*"))));
+ EXPECT_FALSE(matchesObjC(
+ Objc1String,
+ objcMessageExpr(matchesSelector("?cont*"))));
+ EXPECT_TRUE(notMatchesObjC(
+ Objc1String,
+ objcMessageExpr(hasSelector("contents"), hasNullSelector())));
+ EXPECT_TRUE(matchesObjC(
+ Objc1String,
+ objcMessageExpr(hasSelector("contents"), hasUnarySelector())));
+ EXPECT_TRUE(matchesObjC(
+ Objc1String,
+ objcMessageExpr(matchesSelector("uppercase*"),
+ argumentCountIs(0)
+ )));
+
+}
+
} // end namespace ast_matchers
} // end namespace clang