Changeset 164d036 for src/ResolvExpr/CommonType.cc

Timestamp:

Dec 8, 2016, 5:53:25 PM (7 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

6a16806

Parents:

9def87a (diff), b58a5772 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc

File:

• src/ResolvExpr/CommonType.cc (modified) (2 diffs)

src/ResolvExpr/CommonType.cc

@@ -42 +42 @@
                 virtual void visit( OneType *oneType );
 
+                void getCommonWithVoidPointer( PointerType* voidPointer, PointerType* otherPointer );
                 template< typename RefType > void handleRefType( RefType *inst, Type *other );
 
@@ -145 +146 @@
         }
 
+        void CommonType::getCommonWithVoidPointer( PointerType* voidPointer, PointerType* otherPointer ) {
+                if ( TypeInstType* var = dynamic_cast< TypeInstType* >( otherPointer->get_base() ) ) {
+                        OpenVarSet::const_iterator entry = openVars.find( var->get_name() );
+                        if ( entry != openVars.end() ) {
+                                AssertionSet need, have;
+                                WidenMode widen( widenFirst, widenSecond );
+                                if ( entry != openVars.end() && ! bindVar(var, voidPointer->get_base(), entry->second, env, need, have, openVars, widen, indexer ) ) return;
+                        }
+                }
+                result = voidPointer->clone();
+                result->get_qualifiers() += otherPointer->get_qualifiers();
+        }
+        
         void CommonType::visit( PointerType *pointerType ) {
                 if ( PointerType *otherPointer = dynamic_cast< PointerType* >( type2 ) ) {
                         if ( widenFirst && dynamic_cast< VoidType* >( otherPointer->get_base() ) && ! isFtype(pointerType->get_base(), indexer) ) {
-                                result = otherPointer->clone();
-                                result->get_qualifiers() += pointerType->get_qualifiers();
+                                getCommonWithVoidPointer( otherPointer, pointerType );
                         } else if ( widenSecond && dynamic_cast< VoidType* >( pointerType->get_base() ) && ! isFtype(otherPointer->get_base(), indexer) ) {
-                                result = pointerType->clone();
-                                result->get_qualifiers() += otherPointer->get_qualifiers();
+                                getCommonWithVoidPointer( pointerType, otherPointer );
                         } else if ( ( pointerType->get_base()->get_qualifiers() >= otherPointer->get_base()->get_qualifiers() || widenFirst )
                                            && ( pointerType->get_base()->get_qualifiers() <= otherPointer->get_base()->get_qualifiers() || widenSecond ) ) {