objective-C: introduce __attribute((objc_requires_super)) on method
in classes. Use it to flag those method implementations which don't
contain call to 'super' if they have 'super' class and it has the method
with this attribute set. This is wip. // rdar://6386358
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163434 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index e800a6a..709a868 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -371,8 +371,10 @@
// Warn on deprecated methods under -Wdeprecated-implementations,
// and prepare for warning on missing super calls.
if (ObjCInterfaceDecl *IC = MDecl->getClassInterface()) {
- if (ObjCMethodDecl *IMD =
- IC->lookupMethod(MDecl->getSelector(), MDecl->isInstanceMethod()))
+ ObjCMethodDecl *IMD =
+ IC->lookupMethod(MDecl->getSelector(), MDecl->isInstanceMethod());
+
+ if (IMD)
DiagnoseObjCImplementedDeprecations(*this,
dyn_cast<NamedDecl>(IMD),
MDecl->getLocation(), 0);
@@ -385,7 +387,10 @@
getCurFunction()->ObjCShouldCallSuperDealloc =
!(Context.getLangOpts().ObjCAutoRefCount ||
Context.getLangOpts().getGC() == LangOptions::GCOnly) &&
- MDecl->getMethodFamily() == OMF_dealloc;
+ MDecl->getMethodFamily() == OMF_dealloc;
+ if (!getCurFunction()->ObjCShouldCallSuperDealloc)
+ getCurFunction()->ObjCShouldCallSuperDealloc =
+ (IMD && IMD->hasAttr<ObjCRequiresSuperAttr>());
getCurFunction()->ObjCShouldCallSuperFinalize =
Context.getLangOpts().getGC() != LangOptions::NonGC &&
MDecl->getMethodFamily() == OMF_finalize;