X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fglsl%2Foptimize.h;h=cfebf0f782c46aee0c2bbc0730baf555b0081b8a;hb=0ca367ce305ae6f2025739b3b199a7f75d4132db;hp=2e28d48a0dcbfe711057572cc7f5e1574dbe8789;hpb=47d9d5d10469340af44909de9c8ab9fd4f1a19a1;p=libs%2Fgl.git

diff --git a/source/glsl/optimize.h b/source/glsl/optimize.h
index 2e28d48a..cfebf0f7 100644
--- a/source/glsl/optimize.h
+++ b/source/glsl/optimize.h
@@ -10,7 +10,7 @@ namespace Msp {
 namespace GL {
 namespace SL {
 
-class InlineableFunctionLocator: public TraversingVisitor
+class InlineableFunctionLocator: private TraversingVisitor
 {
 private:
 	std::map<FunctionDeclaration *, unsigned> refcounts;
@@ -22,12 +22,13 @@ public:
 
 	const std::set<FunctionDeclaration *> &apply(Stage &s) { visit(s.content); return inlineable; }
 
-	using TraversingVisitor::visit;
+private:
 	virtual void visit(FunctionCall &);
 	virtual void visit(FunctionDeclaration &);
+	using TraversingVisitor::visit;
 };
 
-class FunctionInliner: public TraversingVisitor
+class FunctionInliner: private TraversingVisitor
 {
 private:
 	std::set<FunctionDeclaration *> inlineable;
@@ -42,8 +43,7 @@ public:
 
 private:
 	void visit_and_inline(RefPtr<Expression> &);
-public:
-	using TraversingVisitor::visit;
+
 	virtual void visit(Block &);
 	virtual void visit(UnaryExpression &);
 	virtual void visit(BinaryExpression &);
@@ -51,9 +51,10 @@ public:
 	virtual void visit(FunctionCall &);
 	virtual void visit(VariableDeclaration &);
 	virtual void visit(Return &);
+	using TraversingVisitor::visit;
 };
 
-class ConstantConditionEliminator: public BlockModifier
+class ConstantConditionEliminator: private BlockModifier
 {
 private:
 	unsigned scope_level;
@@ -65,16 +66,17 @@ public:
 
 	void apply(Stage &s) { visit(s.content); }
 
-	using BlockModifier::visit;
+private:
 	virtual void visit(Block &);
 	virtual void visit(UnaryExpression &);
 	virtual void visit(Assignment &);
 	virtual void visit(VariableDeclaration &);
 	virtual void visit(Conditional &);
 	virtual void visit(Iteration &);
+	using BlockModifier::visit;
 };
 
-class UnusedVariableLocator: public TraversingVisitor
+class UnusedVariableLocator: private TraversingVisitor
 {
 private:
 	struct VariableInfo
@@ -103,28 +105,25 @@ public:
 
 	const std::set<Node *> &apply(Stage &);
 
-	using TraversingVisitor::visit;
+private:
 	virtual void visit(VariableReference &);
 	virtual void visit(MemberAccess &);
 	virtual void visit(BinaryExpression &);
 	virtual void visit(Assignment &);
-private:
 	void record_assignment(VariableDeclaration &, Node &, bool);
 	void clear_assignments(VariableInfo &, bool);
-public:
 	virtual void visit(ExpressionStatement &);
 	virtual void visit(StructDeclaration &);
 	virtual void visit(VariableDeclaration &);
 	virtual void visit(InterfaceBlock &);
 	virtual void visit(FunctionDeclaration &);
-private:
 	void merge_down_variables();
-public:
 	virtual void visit(Conditional &);
 	virtual void visit(Iteration &);
+	using TraversingVisitor::visit;
 };
 
-class UnusedFunctionLocator: public TraversingVisitor
+class UnusedFunctionLocator: private TraversingVisitor
 {
 private:
 	std::set<Node *> unused_nodes;
@@ -133,9 +132,10 @@ private:
 public:
 	const std::set<Node *> &apply(Stage &s) { visit(s.content); return unused_nodes; }
 
-	using TraversingVisitor::visit;
+private:
 	virtual void visit(FunctionCall &);
 	virtual void visit(FunctionDeclaration &);
+	using TraversingVisitor::visit;
 };
 
 } // namespace SL