From 29d7a7f90140262987b59905b788fce195638e82 Mon Sep 17 00:00:00 2001
From: Benoit Foucher <benoit@zeroc.com>
Date: Mon, 3 Jul 2017 18:52:30 +0200
Subject: Additional Objective-C leak fixes for ICE-8204

---
 cpp/src/slice2objc/Gen.cpp | 68 ++++++++++++++++++++++------------------------
 1 file changed, 33 insertions(+), 35 deletions(-)

(limited to 'cpp/src/slice2objc/Gen.cpp')

diff --git a/cpp/src/slice2objc/Gen.cpp b/cpp/src/slice2objc/Gen.cpp
index 9872a07388f..17a91efac8e 100644
--- a/cpp/src/slice2objc/Gen.cpp
+++ b/cpp/src/slice2objc/Gen.cpp
@@ -1892,10 +1892,13 @@ Slice::Gen::TypesVisitor::writeMemberDefaultValueInit(const DataMemberList& data
                 _M << nl <<  "self->" << name << " = " << firstEnum << ';';
             }
 
-            StructPtr st = StructPtr::dynamicCast((*p)->type());
-            if(st)
+            if(!(*p)->optional())
             {
-                _M << nl <<  "self->" << name << " = [[" << typeToString(st) << " alloc] init];";
+                StructPtr st = StructPtr::dynamicCast((*p)->type());
+                if(st)
+                {
+                    _M << nl <<  "self->" << name << " = [[" << typeToString(st) << " alloc] init];";
+                }
             }
         }
     }
@@ -2146,48 +2149,43 @@ Slice::Gen::TypesVisitor::writeMemberEquals(const DataMemberList& dataMembers, i
 void
 Slice::Gen::TypesVisitor::writeMemberDealloc(const DataMemberList& dataMembers, int baseType, const string& slicedData) const
 {
-    if(dataMembers.empty())
+    bool needsDealloc = !slicedData.empty();
+    for(DataMemberList::const_iterator q = dataMembers.begin(); q != dataMembers.end(); ++q)
     {
-        return;
+        if(!isValueType((*q)->type()))
+        {
+            needsDealloc = true;
+            break;
+        }
+    }
+    if(!needsDealloc)
+    {
+        return; // No reference type data members.
     }
 
-    bool once = false;
+    _M << sp;
+    _M.zeroIndent();
+    _M << nl << "#if defined(__clang__) && !__has_feature(objc_arc)";
+    _M.restoreIndent();
+    _M << nl << "-(void) dealloc";
+    _M << sb;
     for(DataMemberList::const_iterator q = dataMembers.begin(); q != dataMembers.end(); ++q)
     {
-        TypePtr type = (*q)->type();
-        if(!isValueType(type))
+        if(!isValueType((*q)->type()))
         {
-            if(!once)
-            {
-                once = true;
-                _M << sp;
-                _M.zeroIndent();
-                _M << nl << "#if defined(__clang__) && !__has_feature(objc_arc)";
-                _M.restoreIndent();
-                _M << nl << "-(void) dealloc";
-                _M << sb;
-            }
-
-            bool isValue = isValueType(type);
-            if(!isValue)
-            {
-                _M << nl << "[self->" << fixId((*q)->name(), baseType) << " release];";
-            }
+            _M << nl << "[self->" << fixId((*q)->name(), baseType) << " release];";
         }
     }
-    if(once)
+    if(!slicedData.empty())
     {
-        if(!slicedData.empty())
-        {
-            _M << nl << "[(NSObject*)" << slicedData << " release];";
-        }
-        _M << nl << "[super dealloc];";
-        _M << eb;
-        _M.zeroIndent();
-        _M << nl << "#endif";
-        _M.restoreIndent();
-        _H << nl << "// This class also overrides dealloc";
+        _M << nl << "[(NSObject*)" << slicedData << " release];";
     }
+    _M << nl << "[super dealloc];";
+    _M << eb;
+    _M.zeroIndent();
+    _M << nl << "#endif";
+    _M.restoreIndent();
+    _H << nl << "// This class also overrides dealloc";
 }
 
 void
-- 
cgit v1.2.3