X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramcompiler.h;h=0ea485a9765d2faa7cafca338b622c5955b936da;hp=63ead7a4c8997f0a6f3bd4d76f8bee10da2a9958;hb=a36992487d018d8801ead6980b362b00a2f5f5c5;hpb=70f9fe2964700fc199ab3cabb26f9b14d078c56b

diff --git a/source/programcompiler.h b/source/programcompiler.h
index 63ead7a4..0ea485a9 100644
--- a/source/programcompiler.h
+++ b/source/programcompiler.h
@@ -1,6 +1,7 @@
 #ifndef MSP_GL_PROGRAMCOMPILER_H_
 #define MSP_GL_PROGRAMCOMPILER_H_
 
+#include <set>
 #include "programparser.h"
 #include "programsyntax.h"
 
@@ -41,6 +42,46 @@ public:
 	};
 
 private:
+	struct VariableResolver: ProgramSyntax::TraversingVisitor
+	{
+		std::vector<ProgramSyntax::Block *> blocks;
+		ProgramSyntax::StructDeclaration *type;
+		bool anonymous;
+
+		VariableResolver();
+
+		virtual void visit(ProgramSyntax::Block &);
+		virtual void visit(ProgramSyntax::VariableReference &);
+		virtual void visit(ProgramSyntax::MemberAccess &);
+		virtual void visit(ProgramSyntax::BinaryExpression &);
+		virtual void visit(ProgramSyntax::StructDeclaration &);
+		virtual void visit(ProgramSyntax::VariableDeclaration &);
+		virtual void visit(ProgramSyntax::InterfaceBlock &);
+	};
+
+	struct UnusedVariableLocator: ProgramSyntax::TraversingVisitor
+	{
+		std::set<ProgramSyntax::VariableDeclaration *> unused_variables;
+
+		virtual void visit(ProgramSyntax::VariableReference &);
+		virtual void visit(ProgramSyntax::MemberAccess &);
+		virtual void visit(ProgramSyntax::VariableDeclaration &);
+	};
+
+	struct NodeRemover: ProgramSyntax::TraversingVisitor
+	{
+		std::set<ProgramSyntax::Node *> to_remove;
+		unsigned n_removed;
+		bool immutable_block;
+		bool remove_block;
+
+		NodeRemover();
+
+		virtual void visit(ProgramSyntax::Block &);
+		virtual void visit(ProgramSyntax::StructDeclaration &);
+		virtual void visit(ProgramSyntax::InterfaceBlock &);
+	};
+
 	ProgramParser parser;
 	ProgramSyntax::Module *module;