namespace GL {
namespace SL {
+/** Combines multiple declarations of the same identifier into one. */
class DeclarationCombiner: private TraversingVisitor
{
private:
private:
virtual void visit(Block &);
- virtual void visit(FunctionDeclaration &);
virtual void visit(VariableDeclaration &);
+ virtual void visit(FunctionDeclaration &) { }
};
-class BlockResolver: private TraversingVisitor
+/** Manipulates specialization constants. If values are specified, turns
+specialization constants into normal constants. Without values assigns
+automatic constant_ids to specialization constants. */
+class ConstantSpecializer: private TraversingVisitor
+{
+private:
+ const std::map<std::string, int> *values;
+
+public:
+ 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
{
public:
void apply(Stage &s) { s.content.visit(*this); }
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;
+
+public:
+ TypeResolver();
+
+ void apply(Stage &);
+
+private:
+ TypeDeclaration *resolve_type(const std::string &);
+ virtual void visit(BasicTypeDeclaration &);
+ virtual void visit(ImageTypeDeclaration &);
+ virtual void visit(StructDeclaration &);
+ virtual void visit(VariableDeclaration &);
+ 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;
- Block *builtins;
- std::map<std::string, VariableDeclaration *> *members;
- RefPtr<InterfaceBlockReference> iface_ref;
+ std::map<std::string, VariableDeclaration *> *r_members;
+ RefPtr<InterfaceBlockReference> r_iface_ref;
std::string block_interface;
bool record_target;
- VariableDeclaration *assignment_target;
- bool self_referencing;
+ bool r_self_referencing;
+ VariableDeclaration *r_assignment_target;
public:
VariableResolver();
void apply(Stage &);
private:
- Block *next_block(Block &);
-
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(StructDeclaration &);
+ virtual void visit(FunctionCall &);
virtual void visit(VariableDeclaration &);
virtual void visit(InterfaceBlock &);
};
+/** Resolves function declarations and calls. */
class FunctionResolver: private TraversingVisitor
{
private:
- std::map<std::string, std::vector<FunctionDeclaration *> > functions;
+ Stage *stage;
+ std::map<std::string, std::vector<FunctionDeclaration *> > declarations;
public:
- void apply(Stage &s) { s.content.visit(*this); }
+ void apply(Stage &);
private:
virtual void visit(FunctionCall &);
virtual void visit(FunctionDeclaration &);
};
+/** Materializes implicitly declared interfaces.
+
+Out variable declarations inside functions are moved to the global scope.
+
+Passthrough statements are processed, generating out variables to match in
+variables and copying values.
+
+Unresolved variables are looked up in the previous stage's out variables. */
class InterfaceGenerator: private TraversingVisitor
{
private:
static std::string get_out_prefix(Stage::Type);
std::string change_prefix(const std::string &, const std::string &) const;
virtual void visit(Block &);
- bool generate_interface(VariableDeclaration &, const std::string &, const std::string &);
- bool generate_interface(InterfaceBlock &);
+ VariableDeclaration *generate_interface(VariableDeclaration &, const std::string &, const std::string &);
+ InterfaceBlock *generate_interface(InterfaceBlock &);
ExpressionStatement &insert_assignment(const std::string &, Expression *);
virtual void visit(VariableReference &);
virtual void visit(VariableDeclaration &);
virtual void visit(Passthrough &);
};
-class DeclarationReorderer: private TraversingVisitor
-{
-private:
- enum DeclarationKind
- {
- NO_DECLARATION,
- LAYOUT,
- STRUCT,
- VARIABLE,
- FUNCTION
- };
-
- DeclarationKind kind;
- std::set<Node *> ordered_funcs;
- std::set<Node *> needed_funcs;
-
-public:
- DeclarationReorderer();
-
- void apply(Stage &s) { s.content.visit(*this); }
-
-private:
- virtual void visit(Block &);
- virtual void visit(FunctionCall &);
- virtual void visit(InterfaceLayout &) { kind = LAYOUT; }
- virtual void visit(StructDeclaration &) { kind = STRUCT; }
- virtual void visit(VariableDeclaration &);
- virtual void visit(InterfaceBlock &) { kind = VARIABLE; }
- virtual void visit(FunctionDeclaration &);
-};
-
} // namespace SL
} // namespace GL
} // namespace Msp