Changeset 46da46b for src/SynTree

Timestamp:

May 2, 2023, 3:44:31 AM (2 years ago)

Author:

Fangren Yu <f37yu@…>

Branches:

ast-experimental, master

Children:

0c840fc

Parents:

1ab773e0

Message:

current progress

Location:

src/SynTree

Files:

• Expression.cc (modified) (1 diff)
• Expression.h (modified) (1 diff)

src/SynTree/Expression.cc

@@ -267 +267 @@
 }
 
-CastExpr::CastExpr( Expression * arg, Type * toType, bool isGenerated ) : arg(arg), isGenerated( isGenerated ) {
+CastExpr::CastExpr( Expression * arg, Type * toType, bool isGenerated, CastKind kind ) : arg(arg), isGenerated( isGenerated ), kind( kind ) {
         set_result(toType);
 }
 
-CastExpr::CastExpr( Expression * arg, bool isGenerated ) : arg(arg), isGenerated( isGenerated ) {
+CastExpr::CastExpr( Expression * arg, bool isGenerated, CastKind kind ) : arg(arg), isGenerated( isGenerated ), kind( kind ) {
         set_result( new VoidType( Type::Qualifiers() ) );
 }
 
-CastExpr::CastExpr( const CastExpr & other ) : Expression( other ), arg( maybeClone( other.arg ) ), isGenerated( other.isGenerated ) {
+CastExpr::CastExpr( const CastExpr & other ) : Expression( other ), arg( maybeClone( other.arg ) ), isGenerated( other.isGenerated ), kind( other.kind ) {
 }
 

src/SynTree/Expression.h

@@ -271 +271 @@
         bool isGenerated = true;
 
-        CastExpr( Expression * arg, bool isGenerated = true );
-        CastExpr( Expression * arg, Type * toType, bool isGenerated = true );
+        enum CastKind {
+                Default, // C
+                Coerce, // reinterpret cast
+                Return  // overload selection
+        };
+
+        CastKind kind = Default;
+
+        CastExpr( Expression * arg, bool isGenerated = true, CastKind kind = Default );
+        CastExpr( Expression * arg, Type * toType, bool isGenerated = true, CastKind kind = Default );
         CastExpr( Expression * arg, void * ) = delete; // prevent accidentally passing pointers for isGenerated in the first constructor
         CastExpr( const CastExpr & other );