class ProgramCompiler
{
-public:
- struct Formatter: ProgramSyntax::NodeVisitor
+private:
+ struct Visitor: ProgramSyntax::TraversingVisitor
+ {
+ ProgramSyntax::Stage *stage;
+
+ Visitor();
+
+ virtual void apply(ProgramSyntax::Stage &);
+ };
+
+ struct Formatter: Visitor
{
std::string formatted;
unsigned indent;
virtual void visit(ProgramSyntax::Return &);
};
-private:
- struct VariableResolver: ProgramSyntax::TraversingVisitor
+ struct VariableResolver: Visitor
{
std::vector<ProgramSyntax::Block *> blocks;
ProgramSyntax::StructDeclaration *type;
virtual void visit(ProgramSyntax::InterfaceBlock &);
};
- struct InterfaceGenerator: ProgramSyntax::TraversingVisitor
+ struct InterfaceGenerator: Visitor
{
- ProgramSyntax::Context *context;
std::string in_prefix;
std::string out_prefix;
unsigned scope_level;
- std::map<std::string, ProgramSyntax::NodePtr<ProgramSyntax::Node> > iface_declarations;
+ std::map<std::string, ProgramSyntax::VariableDeclaration *> iface_declarations;
bool remove_node;
- std::list<ProgramSyntax::NodePtr<ProgramSyntax::Node> > insert_nodes;
+ std::list<ProgramSyntax::Node *> insert_nodes;
InterfaceGenerator();
- static std::string get_out_prefix(ProgramSyntax::ContextType);
- void visit(ProgramSyntax::Context &);
+ static std::string get_out_prefix(ProgramSyntax::StageType);
+ virtual void apply(ProgramSyntax::Stage &);
virtual void visit(ProgramSyntax::Block &);
std::string change_prefix(const std::string &, const std::string &) const;
bool generate_interface(ProgramSyntax::VariableDeclaration &, const std::string &, const std::string &);
virtual void visit(ProgramSyntax::Passthrough &);
};
- struct VariableRenamer: ProgramSyntax::TraversingVisitor
+ struct VariableRenamer: Visitor
{
virtual void visit(ProgramSyntax::VariableReference &);
virtual void visit(ProgramSyntax::VariableDeclaration &);
};
- struct UnusedVariableLocator: ProgramSyntax::TraversingVisitor
+ struct UnusedVariableLocator: Visitor
{
- std::set<ProgramSyntax::VariableDeclaration *> unused_variables;
+ std::set<ProgramSyntax::Node *> unused_nodes;
+ std::map<ProgramSyntax::VariableDeclaration *, ProgramSyntax::Node *> assignments;
+ bool assignment;
+ ProgramSyntax::VariableDeclaration *assignment_target;
+
+ UnusedVariableLocator();
virtual void visit(ProgramSyntax::VariableReference &);
virtual void visit(ProgramSyntax::MemberAccess &);
+ virtual void visit(ProgramSyntax::BinaryExpression &);
+ virtual void visit(ProgramSyntax::ExpressionStatement &);
virtual void visit(ProgramSyntax::VariableDeclaration &);
};
- struct NodeRemover: ProgramSyntax::TraversingVisitor
+ struct NodeRemover: Visitor
{
std::set<ProgramSyntax::Node *> to_remove;
unsigned n_removed;
virtual void visit(ProgramSyntax::Block &);
virtual void visit(ProgramSyntax::StructDeclaration &);
+ virtual void visit(ProgramSyntax::VariableDeclaration &);
virtual void visit(ProgramSyntax::InterfaceBlock &);
};
private:
void process();
- void process(ProgramSyntax::Context &);
+ void generate(ProgramSyntax::Stage &);
+ bool optimize(ProgramSyntax::Stage &);
static void inject_block(ProgramSyntax::Block &, const ProgramSyntax::Block &);
- static void resolve_variables(ProgramSyntax::Context &);
- std::string format_context(ProgramSyntax::Context &);
+ template<typename T>
+ static void apply(ProgramSyntax::Stage &);
+ std::string create_source(ProgramSyntax::Stage &);
};
} // namespace GL