Changeset aee7e35 for src/ResolvExpr/CommonType.cc

Timestamp:

Sep 29, 2016, 10:48:09 AM (9 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:

7e10773

Parents:

7b69174 (diff), 4b1fd2c (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) (5 diffs)

src/ResolvExpr/CommonType.cc

@@ -39 +39 @@
                 virtual void visit( TupleType *tupleType );
                 virtual void visit( VarArgsType *varArgsType );
+                virtual void visit( ZeroType *zeroType );
+                virtual void visit( OneType *oneType );
 
                 template< typename RefType > void handleRefType( RefType *inst, Type *other );
@@ -134 +136 @@
                                 result = new BasicType( basicType->get_qualifiers() + otherBasic->get_qualifiers(), newType );
                         } // if
-                } else if ( EnumInstType *enumInstType = dynamic_cast< EnumInstType * > ( type2 ) ) {
-                        // use signed int in lieu of the enum type
+                } else if ( dynamic_cast< EnumInstType * > ( type2 ) || dynamic_cast< ZeroType* >( type2 ) || dynamic_cast< OneType* >( type2 ) ) {
+                        // use signed int in lieu of the enum/zero/one type
                         BasicType::Kind newType = combinedType[ basicType->get_kind() ][ BasicType::SignedInt ];
-                        if ( ( ( newType == basicType->get_kind() && basicType->get_qualifiers() >= enumInstType->get_qualifiers() ) || widenFirst ) && ( ( newType != basicType->get_kind() && basicType->get_qualifiers() <= enumInstType->get_qualifiers() ) || widenSecond ) ) {
-                                result = new BasicType( basicType->get_qualifiers() + enumInstType->get_qualifiers(), newType );
+                        if ( ( ( newType == basicType->get_kind() && basicType->get_qualifiers() >= type2->get_qualifiers() ) || widenFirst ) && ( ( newType != basicType->get_kind() && basicType->get_qualifiers() <= type2->get_qualifiers() ) || widenSecond ) ) {
+                                result = new BasicType( basicType->get_qualifiers() + type2->get_qualifiers(), newType );
                         } // if
                 } // if
@@ -171 +173 @@
                                 otherPointer->get_base()->get_qualifiers() = tq2;
                         } // if
+                } else if ( widenSecond && dynamic_cast< ZeroType* >( type2 ) ) {
+                        result = pointerType->clone();
+                        result->get_qualifiers() += type2->get_qualifiers();
                 } // if
         }
@@ -190 +195 @@
 
         void CommonType::visit( EnumInstType *enumInstType ) {
-                if ( dynamic_cast< BasicType * >( type2 ) ) {
+                if ( dynamic_cast< BasicType * >( type2 ) || dynamic_cast< ZeroType* >( type2 ) || dynamic_cast< OneType* >( type2 ) ) {
                         // reuse BasicType, EnumInstType code by swapping type2 with enumInstType
                         Type * temp = type2;
@@ -230 +235 @@
         void CommonType::visit( VarArgsType *varArgsType ) {
         }
+
+        void CommonType::visit( ZeroType *zeroType ) {
+                if ( widenFirst ) {
+                        if ( dynamic_cast< BasicType* >( type2 ) || dynamic_cast< PointerType* >( type2 ) || dynamic_cast< EnumInstType* >( type2 ) ) {
+                                if ( widenSecond || zeroType->get_qualifiers() <= type2->get_qualifiers() ) {
+                                        result = type2->clone();
+                                        result->get_qualifiers() += zeroType->get_qualifiers();
+                                }
+                        }
+                }
+        }
+
+        void CommonType::visit( OneType *oneType ) {
+                if ( widenFirst ) {
+                        if ( dynamic_cast< BasicType* >( type2 ) || dynamic_cast< EnumInstType* >( type2 ) ) {
+                                if ( widenSecond || oneType->get_qualifiers() <= type2->get_qualifiers() ) {
+                                        result = type2->clone();
+                                        result->get_qualifiers() += oneType->get_qualifiers();
+                                }
+                        }
+                }
+        }
 } // namespace ResolvExpr