X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fvisitor.h;h=cd9dafb0b016338eb2f8a12c58e1eb94eeb48a8c;hb=0febee9a8fdf1f9b03d3f2e23e72f8194b3698c7;hp=83b310f62ebadbcef621a9b8d1aa65eb571e59c1;hpb=39141d961e55f56d540b3678f9f8fe94868f2652;p=libs%2Fgl.git

diff --git a/source/glsl/visitor.h b/source/glsl/visitor.h
index 83b310f6..cd9dafb0 100644
--- a/source/glsl/visitor.h
+++ b/source/glsl/visitor.h
@@ -25,7 +25,7 @@ public:
 	virtual void visit(MemberAccess &) { }
 	virtual void visit(UnaryExpression &) { }
 	virtual void visit(BinaryExpression &) { }
-	virtual void visit(Assignment &);
+	virtual void visit(Assignment &) { }
 	virtual void visit(FunctionCall &) { }
 	virtual void visit(ExpressionStatement &) { }
 	virtual void visit(Import &) { }
@@ -58,6 +58,7 @@ public:
 	virtual void visit(MemberAccess &);
 	virtual void visit(UnaryExpression &);
 	virtual void visit(BinaryExpression &);
+	virtual void visit(Assignment &);
 	virtual void visit(FunctionCall &);
 	virtual void visit(ExpressionStatement &);
 	virtual void visit(InterfaceLayout &);
@@ -110,6 +111,23 @@ private:
 	virtual void visit(Iteration &);
 };
 
+/** Reorders a set of nodes so they appear before another node.  Only nodes
+on the same hierarchly level as the target node are reordered. */
+class NodeReorderer: private TraversingVisitor
+{
+private:
+	Node *reorder_before;
+	const std::set<Node *> *to_reorder;
+
+public:
+	NodeReorderer();
+
+	void apply(Stage &, Node &, const std::set<Node *> &);
+
+private:
+	virtual void visit(Block &);
+};
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp