10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
22 ast_matchers::internal::Matcher<ObjCInterfaceDecl>,
Base) {
23 const ObjCInterfaceDecl *InterfaceDecl = Node.getClassInterface();
24 return Base.matches(*InterfaceDecl, Finder,
Builder);
28 ast_matchers::internal::Matcher<ObjCMethodDecl>,
Base) {
30 for (
const auto *I : Node.instance_methods()) {
39 void MissingHashCheck::registerMatchers(MatchFinder *Finder) {
42 hasName(
"isEqual:"), isInstanceMethod(),
43 hasDeclContext(objcImplementationDecl(
44 hasInterface(isDirectlyDerivedFrom(
"NSObject")),
45 unless(hasInstanceMethod(hasName(
"hash"))))
50 void MissingHashCheck::check(
const MatchFinder::MatchResult &Result) {
51 const auto *ID = Result.Nodes.getNodeAs<ObjCImplementationDecl>(
"impl");
52 diag(ID->getLocation(),
"%0 implements -isEqual: without implementing -hash")