Changeset 1cdfa82 for src/SynTree/Expression.h

Timestamp:

Apr 25, 2018, 4:55:53 PM (6 years ago)

Author:

Aaron Moss <a3moss@…>

Branches:

new-env, with_gc

Children:

42107b4

Parents:

2efe4b8 (diff), 9d5fb67 (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 remote-tracking branch 'origin/master' into with_gc

File:

• src/SynTree/Expression.h (modified) (2 diffs)

src/SynTree/Expression.h

@@ -184 +184 @@
   public:
         Expression * arg;
-
-        CastExpr( Expression * arg );
-        CastExpr( Expression * arg, Type * toType );
+        bool isGenerated = true; // whether this cast appeared in the source program
+
+        CastExpr( Expression * arg, bool isGenerated = true );
+        CastExpr( Expression * arg, Type * toType, bool isGenerated = true );
+        CastExpr( Expression * arg, void * ) = delete; // prevent accidentally passing pointers for isGenerated in the first constructor
         CastExpr( const CastExpr & other );
 
@@ -193 +195 @@
 
         virtual CastExpr * clone() const { return new CastExpr( * this ); }
+        virtual void accept( Visitor & v ) { v.visit( this ); }
+        virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); }
+        virtual void print( std::ostream & os, Indenter indent = {} ) const;
+};
+
+/// KeywordCastExpr represents a cast to 'keyword types', e.g. (thread &)t
+class KeywordCastExpr : public Expression {
+public:
+        Expression * arg;
+        enum Target {
+                Coroutine, Thread, Monitor, NUMBER_OF_TARGETS
+        } target;
+
+        KeywordCastExpr( Expression * arg, Target target );
+        KeywordCastExpr( const KeywordCastExpr & other );
+        virtual ~KeywordCastExpr();
+
+        const std::string & targetString() const;
+
+        virtual KeywordCastExpr * clone() const { return new KeywordCastExpr( * this ); }
         virtual void accept( Visitor & v ) { v.visit( this ); }
         virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); }