namespace GL {
namespace SL {
+/** Combines multiple declarations of the same identifier into one. */
class DeclarationCombiner: private TraversingVisitor
{
private:
virtual void visit(VariableDeclaration &);
};
-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); }
private:
- virtual void visit(Block &);
- virtual void visit(InterfaceBlock &);
+ virtual void enter(Block &);
};
+/** 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;
- StructDeclaration *type;
+ std::map<std::string, VariableDeclaration *> *members;
+ RefPtr<InterfaceBlockReference> iface_ref;
std::string block_interface;
bool record_target;
VariableDeclaration *assignment_target;
private:
Block *next_block(Block &);
- virtual void visit(Block &);
+ virtual void enter(Block &);
virtual void visit(VariableReference &);
+ virtual void visit(InterfaceBlockReference &);
virtual void visit(MemberAccess &);
virtual void visit(BinaryExpression &);
virtual void visit(Assignment &);
virtual void visit(StructDeclaration &);
virtual void visit(VariableDeclaration &);
virtual void visit(InterfaceBlock &);
- virtual void visit(FunctionDeclaration &);
- virtual void visit(Iteration &);
};
+/** Resolves function declarations and calls. */
class FunctionResolver: private TraversingVisitor
{
private:
+ Stage *stage;
std::map<std::string, std::vector<FunctionDeclaration *> > functions;
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:
Stage *stage;
std::string in_prefix;
std::string out_prefix;
+ bool function_scope;
+ InterfaceBlock *iface_block;
+ bool copy_block;
+ Block *iface_target_block;
NodeList<Statement>::iterator iface_insert_point;
NodeList<Statement>::iterator assignment_insert_point;
std::set<Node *> nodes_to_remove;
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 &);
ExpressionStatement &insert_assignment(const std::string &, Expression *);
virtual void visit(VariableReference &);
virtual void visit(VariableDeclaration &);
+ virtual void visit(InterfaceBlock &);
+ virtual void visit(FunctionDeclaration &);
virtual void visit(Passthrough &);
};
+/** Reorders declarations to ensure that declarations always appear before
+references. */
class DeclarationReorderer: private TraversingVisitor
{
private: