- virtual void visit(FunctionDeclaration &);
-};
-
-/** Resolves variable references. Variable references which match the name
-of an interface block are turned into interface block references. */
-class VariableResolver: private TraversingVisitor
-{
-private:
- Stage *stage;
- std::map<std::string, VariableDeclaration *> *r_members;
- RefPtr<InterfaceBlockReference> r_iface_ref;
- std::string block_interface;
- bool record_target;
- bool r_self_referencing;
- VariableDeclaration *r_assignment_target;
-
-public:
- VariableResolver();
-
- void apply(Stage &);
-
-private:
- virtual void enter(Block &);
- virtual void visit(VariableReference &);
- virtual void visit(InterfaceBlockReference &);
- virtual void visit(MemberAccess &);
- virtual void visit(UnaryExpression &);
- virtual void visit(BinaryExpression &);
- virtual void visit(Assignment &);
- virtual void visit(FunctionCall &);
- virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &);
-};
-
-/** Resolves types and lvalueness of expressions. */
-class ExpressionResolver: private TraversingVisitor
-{
-private:
- enum Compatibility
- {
- NOT_COMPATIBLE,
- LEFT_CONVERTIBLE,
- RIGHT_CONVERTIBLE,
- SAME_TYPE
- };
-
- Stage *stage;
- std::vector<BasicTypeDeclaration *> basic_types;
-
-public:
- void apply(Stage &s) { stage = &s; s.content.visit(*this); }
-
-private:
- static bool is_scalar(BasicTypeDeclaration &);
- static bool is_vector_or_matrix(BasicTypeDeclaration &);
- static BasicTypeDeclaration *get_element_type(BasicTypeDeclaration &);
- static bool can_convert(BasicTypeDeclaration &, BasicTypeDeclaration &);
- static Compatibility get_compatibility(BasicTypeDeclaration &, BasicTypeDeclaration &);
- BasicTypeDeclaration *find_type(BasicTypeDeclaration::Kind, unsigned);
- BasicTypeDeclaration *find_type(BasicTypeDeclaration &, BasicTypeDeclaration::Kind, unsigned);
- void convert_to(RefPtr<Expression> &, BasicTypeDeclaration &);
- bool convert_to_element(RefPtr<Expression> &, BasicTypeDeclaration &);
-
- virtual void visit(Literal &);
- virtual void visit(ParenthesizedExpression &);
- virtual void visit(VariableReference &);
- virtual void visit(InterfaceBlockReference &);
- virtual void visit(MemberAccess &);
- virtual void visit(UnaryExpression &);
- virtual void visit(BinaryExpression &);
- virtual void visit(Assignment &);
- 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;
-
-public:
- void apply(Stage &);
-
-private:
- virtual void visit(FunctionCall &);
- virtual void visit(FunctionDeclaration &);