--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ir/irtypeclass.h	Wed Apr 15 20:06:25 2009 +0200
@@ -0,0 +1,65 @@
+#ifndef __LDC_IR_IRTYPECLASS_H__
+#define __LDC_IR_IRTYPECLASS_H__
+
+#include "ir/irtypestruct.h"
+
+///
+class IrTypeClass : public IrTypeAggr
+{
+public:
+    ///
+    IrTypeClass(ClassDeclaration* cd);
+
+    ///
+    virtual IrTypeClass* isClass()      { return this; }
+
+    ///
+    const llvm::Type* buildType();
+
+    ///
+    const llvm::Type* getVtbl()         { return vtbl_pa.get(); }
+
+    ///
+    const llvm::Type* get();
+
+    /// Get index to interface implementation.
+    /// Returns the index of a specific interface implementation in this
+    /// class or ~0 if not found.
+    size_t getInterfaceIndex(ClassDeclaration* inter);
+
+    /// Returns the total number of pointers in the vtable.
+    unsigned getVtblSize()              { return vtbl_size; }
+
+protected:
+    ///
+    ClassDeclaration* cd;
+    ///
+    TypeClass* tc;
+
+    ///
+    llvm::PATypeHolder vtbl_pa;
+
+    /// Number of pointers in vtable.
+    unsigned vtbl_size;
+
+    /// std::map type mapping ClassDeclaration* to size_t.
+    typedef std::map<ClassDeclaration*, size_t> ClassIndexMap;
+
+    /// Map for mapping the index of a specific interface implementation
+    /// in this class to it's ClassDeclaration*.
+    ClassIndexMap interfaceMap;
+
+    //////////////////////////////////////////////////////////////////////////
+
+    ///
+    const llvm::Type* buildVtblType(Type* first, Array* vtbl_array);
+
+    ///
+    void addBaseClassData(
+        std::vector<const llvm::Type*>& defaultTypes,
+        ClassDeclaration* base,
+        size_t& offset,
+        size_t& field_index);
+};
+
+#endif