Refactor module and stage management

[libs/gl.git] / source / programcompiler.h

diff --git a/source/programcompiler.h b/source/programcompiler.h
index 0ea485a9765d2faa7cafca338b622c5955b936da..7200679e1813723aca6857a70889663b096955b1 100644 (file)
--- a/source/programcompiler.h
+++ b/source/programcompiler.h
@@ -59,17 +59,56 @@ private:
                virtual void visit(ProgramSyntax::InterfaceBlock &);
        };
 
+       struct InterfaceGenerator: ProgramSyntax::TraversingVisitor
+       {
+               ProgramSyntax::Stage *stage;
+               std::string in_prefix;
+               std::string out_prefix;
+               unsigned scope_level;
+               std::map<std::string, ProgramSyntax::NodePtr<ProgramSyntax::Node> > iface_declarations;
+               bool remove_node;
+               std::list<ProgramSyntax::NodePtr<ProgramSyntax::Node> > insert_nodes;
+
+               InterfaceGenerator();
+
+               static std::string get_out_prefix(ProgramSyntax::StageType);
+               void visit(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 &);
+               void insert_assignment(const std::string &, ProgramSyntax::Expression *);
+               virtual void visit(ProgramSyntax::VariableReference &);
+               virtual void visit(ProgramSyntax::VariableDeclaration &);
+               virtual void visit(ProgramSyntax::Passthrough &);
+       };
+
+       struct VariableRenamer: ProgramSyntax::TraversingVisitor
+       {
+               virtual void visit(ProgramSyntax::VariableReference &);
+               virtual void visit(ProgramSyntax::VariableDeclaration &);
+       };
+
        struct UnusedVariableLocator: ProgramSyntax::TraversingVisitor
        {
-               std::set<ProgramSyntax::VariableDeclaration *> unused_variables;
+               ProgramSyntax::Stage *stage;
+               std::set<ProgramSyntax::Node *> unused_nodes;
+               std::map<ProgramSyntax::VariableDeclaration *, ProgramSyntax::Node *> assignments;
+               bool assignment;
+               ProgramSyntax::VariableDeclaration *assignment_target;
+
+               UnusedVariableLocator();
 
+               void visit(ProgramSyntax::Stage &);
                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
        {
+               ProgramSyntax::Stage *stage;
                std::set<ProgramSyntax::Node *> to_remove;
                unsigned n_removed;
                bool immutable_block;
@@ -77,8 +116,10 @@ private:
 
                NodeRemover();
 
+               void visit(ProgramSyntax::Stage &);
                virtual void visit(ProgramSyntax::Block &);
                virtual void visit(ProgramSyntax::StructDeclaration &);
+               virtual void visit(ProgramSyntax::VariableDeclaration &);
                virtual void visit(ProgramSyntax::InterfaceBlock &);
        };
 
@@ -94,9 +135,11 @@ public:
 
 private:
        void process();
-       void process(ProgramSyntax::Context &);
+       void generate(ProgramSyntax::Stage &);
+       void optimize(ProgramSyntax::Stage &);
        static void inject_block(ProgramSyntax::Block &, const ProgramSyntax::Block &);
-       std::string format_context(ProgramSyntax::Context &);
+       static void resolve_variables(ProgramSyntax::Stage &);
+       std::string create_source(ProgramSyntax::Stage &);
 };
 
 } // namespace GL