Changes in src/AST/Expr.hpp [e67991f:cf32116]

File:

• src/AST/Expr.hpp (modified) (12 diffs)

src/AST/Expr.hpp

@@ -9 +9 @@
 // Author           : Aaron B. Moss
 // Created On       : Fri May 10 10:30:00 2019
-// Last Modified By : Aaron B. Moss
-// Created On       : Fri May 10 10:30:00 2019
-// Update Count     : 1
+// Last Modified By : Andrew Beach
+// Created On       : Thr Sep 26 12:51:00 2019
+// Update Count     : 2
 //
 
@@ -30 +30 @@
 
 // Must be included in *all* AST classes; should be #undef'd at the end of the file
-#define MUTATE_FRIEND template<typename node_t> friend node_t * mutate(const node_t * node);
+#define MUTATE_FRIEND \
+    template<typename node_t> friend node_t * mutate(const node_t * node); \
+        template<typename node_t> friend node_t * shallowCopy(const node_t * node);
+
 
 class ConverterOldToNew;
@@ -184 +187 @@
 
         Expr * set_extension( bool ex ) { extension = ex; return this; }
+        virtual bool get_lvalue() const;
 
         virtual const Expr * accept( Visitor & v ) const override = 0;
@@ -200 +204 @@
         ApplicationExpr( const CodeLocation & loc, const Expr * f, std::vector<ptr<Expr>> && as = {} );
 
+        bool get_lvalue() const final;
+
         const Expr * accept( Visitor & v ) const override { return v.visit( this ); }
 private:
@@ -214 +220 @@
         UntypedExpr( const CodeLocation & loc, const Expr * f, std::vector<ptr<Expr>> && as = {} )
         : Expr( loc ), func( f ), args( std::move(as) ) {}
+
+        bool get_lvalue() const final;
 
         /// Creates a new dereference expression
@@ -290 +298 @@
         CastExpr( const Expr * a ) : CastExpr( a->location, a, GeneratedCast ) {}
 
+        bool get_lvalue() const final;
+
         const Expr * accept( Visitor & v ) const override { return v.visit( this ); }
 private:
@@ -337 +347 @@
         : Expr( loc ), member( mem ), aggregate( agg ) { assert( aggregate ); }
 
+        bool get_lvalue() const final;
+
         const Expr * accept( Visitor & v ) const override { return v.visit( this ); }
 private:
@@ -351 +363 @@
         MemberExpr( const CodeLocation & loc, const DeclWithType * mem, const Expr * agg );
 
+        bool get_lvalue() const final;
+
         const Expr * accept( Visitor & v ) const override { return v.visit( this ); }
 private:
         MemberExpr * clone() const override { return new MemberExpr{ *this }; }
         MUTATE_FRIEND
+
+        // Custructor overload meant only for AST conversion
+        enum NoOpConstruction { NoOpConstructionChosen };
+        MemberExpr( const CodeLocation & loc, const DeclWithType * mem, const Expr * agg,
+            NoOpConstruction overloadSelector );
+        friend class ::ConverterOldToNew;
+        friend class ::ConverterNewToOld;
 };
 
@@ -364 +385 @@
         VariableExpr( const CodeLocation & loc );
         VariableExpr( const CodeLocation & loc, const DeclWithType * v );
+
+        bool get_lvalue() const final;
 
         /// generates a function pointer for a given function
@@ -531 +554 @@
 
         CommaExpr( const CodeLocation & loc, const Expr * a1, const Expr * a2 )
-        : Expr( loc ), arg1( a1 ), arg2( a2 ) {}
+        : Expr( loc ), arg1( a1 ), arg2( a2 ) {
+                this->result = a2->result;
+        }
+
+        bool get_lvalue() const final;
 
         const Expr * accept( Visitor & v ) const override { return v.visit( this ); }
@@ -604 +631 @@
         CompoundLiteralExpr( const CodeLocation & loc, const Type * t, const Init * i );
 
+        bool get_lvalue() const final;
+
         const Expr * accept( Visitor & v ) const override { return v.visit( this ); }
 private:
@@ -659 +688 @@
 
         TupleIndexExpr( const CodeLocation & loc, const Expr * t, unsigned i );
+
+        bool get_lvalue() const final;
 
         const Expr * accept( Visitor & v ) const override { return v.visit( this ); }