New method to construct/destruct ivars that have non-trivial default

constructors or destructors, not used yet.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102403 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 41ba4c2d71..94d6891453 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -811,6 +811,55 @@ void ASTContext::CollectInheritedProtocols(const Decl *CDecl,
   }
 }
 
+/// CollectIvarsToConstructOrDestruct - Collect those ivars which require
+/// construction (construct=true) or destruction (construct=false)
+///
+void ASTContext::CollectIvarsToConstructOrDestruct(const ObjCInterfaceDecl *OI,
+                                llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars,
+                                bool construct) {
+  if (!getLangOptions().CPlusPlus)
+    return;
+  for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(),
+       E = OI->ivar_end(); I != E; ++I) {
+    ObjCIvarDecl *Iv = (*I);
+    if (const RecordType *RT = Iv->getType()->getAs<RecordType>()) {
+      if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl()))
+        if (construct && !RD->hasTrivialConstructor() ||
+            !construct && !RD->hasTrivialDestructor())
+          Ivars.push_back(*I);
+    }
+  }
+  
+  // Find ivars to construct/destruct in class extension.
+  if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) {
+    for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(),
+         E = CDecl->ivar_end(); I != E; ++I) {
+      ObjCIvarDecl *Iv = (*I);
+      if (const RecordType *RT = Iv->getType()->getAs<RecordType>()) {
+        if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl()))
+          if (construct && !RD->hasTrivialConstructor() ||
+              !construct && !RD->hasTrivialDestructor())
+            Ivars.push_back(*I);
+      }
+    }
+  }
+  
+  // Also add any ivar defined in this class's implementation.  This
+  // includes synthesized ivars.
+  if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) {
+    for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(),
+         E = ImplDecl->ivar_end(); I != E; ++I) {
+      ObjCIvarDecl *Iv = (*I);
+      if (const RecordType *RT = Iv->getType()->getAs<RecordType>()) {
+        if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl()))
+          if (construct && !RD->hasTrivialConstructor() ||
+              !construct && !RD->hasTrivialDestructor())
+            Ivars.push_back(*I);
+      }
+    }
+  }
+}
+
 unsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) {
   unsigned count = 0;  
   // Count ivars declared in class extension.