- ConstantSpecializer();
-
- void apply(Stage &, const std::map<std::string, int> *);
-
-private:
- virtual void visit(VariableDeclaration &);
-};
-
-/** Forms links between nested blocks in the syntax tree. */
-class BlockHierarchyResolver: private TraversingVisitor
-{
-private:
- bool r_any_resolved;
-
-public:
- BlockHierarchyResolver(): r_any_resolved(false) { }
-
- bool apply(Stage &s) { r_any_resolved = false; s.content.visit(*this); return r_any_resolved; }
-
-private:
- virtual void enter(Block &);
-};
-
-/** Resolves types of variables and base types of other types. */
-class TypeResolver: private TraversingVisitor
-{
-private:
- Stage *stage;
- std::map<TypeDeclaration *, TypeDeclaration *> alias_map;
- std::map<TypeDeclaration *, TypeDeclaration *> array_types;
- NodeList<Statement>::iterator type_insert_point;
- InterfaceBlock *iface_block;
- bool r_any_resolved;
-
-public:
- TypeResolver();
-
- bool apply(Stage &);
-
-private:
- TypeDeclaration *get_or_create_array_type(TypeDeclaration &);
- void resolve_type(TypeDeclaration *&, const std::string &, bool);
- virtual void visit(Block &);
- virtual void visit(BasicTypeDeclaration &);
- virtual void visit(ImageTypeDeclaration &);
- virtual void visit(StructDeclaration &);
- virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &);
- 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;
- RefPtr<Expression> r_replacement_expr;
- bool r_any_resolved;
- bool record_target;
- bool r_self_referencing;
- Assignment::Target r_assignment_target;
- std::vector<VariableDeclaration *> redeclared_builtins;
- std::set<Node *> nodes_to_remove;
-
-public:
- VariableResolver();
-
- bool apply(Stage &);
-
-private:
- virtual void enter(Block &);
- virtual void visit(RefPtr<Expression> &);
- void check_assignment_target(Statement *);
- virtual void visit(VariableReference &);
- virtual void visit(InterfaceBlockReference &);
- void add_to_chain(Assignment::Target::ChainType, unsigned);
- virtual void visit(MemberAccess &);
- virtual void visit(Swizzle &);
- virtual void visit(BinaryExpression &);
- virtual void visit(Assignment &);
- void merge_layouts(Layout &, const Layout &);
- 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
- };
-
- struct ArgumentInfo
- {
- BasicTypeDeclaration *type;
- unsigned component_count;
- };
-
- Stage *stage;
- std::vector<BasicTypeDeclaration *> basic_types;
- NodeList<Statement>::iterator insert_point;
- bool r_any_resolved;
-
-public:
- ExpressionResolver();
-
- bool apply(Stage &);