+ virtual void visit(Block &);
+ virtual void visit(Literal &);
+ virtual void visit(VariableReference &);
+ virtual void visit(InterfaceBlockReference &);
+ virtual void visit(MemberAccess &);
+ virtual void visit(Swizzle &);
+ virtual void visit(UnaryExpression &);
+ void visit(BinaryExpression &, bool);
+ virtual void visit(BinaryExpression &);
+ virtual void visit(Assignment &);
+ virtual void visit(TernaryExpression &);
+ void visit_constructor(FunctionCall &);
+ virtual void visit(FunctionCall &);
+ virtual void visit(BasicTypeDeclaration &);
+ virtual void visit(VariableDeclaration &);
+};
+
+/** Resolves function declarations and calls. */
+class FunctionResolver: private TraversingVisitor
+{
+private:
+ Stage *stage;
+ std::map<std::string, std::vector<FunctionDeclaration *> > declarations;
+ bool r_any_resolved;
+
+public:
+ bool apply(Stage &);
+
+private: