--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/TypeData.java	Mon Aug 11 15:57:14 2014 +0200
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.dsl.processor.model;
+
+import java.util.*;
+
+import javax.lang.model.element.*;
+import javax.lang.model.type.*;
+
+import com.oracle.truffle.dsl.processor.java.*;
+
+public class TypeData extends MessageContainer implements Comparable<TypeData> {
+
+    private final TypeSystemData typeSystem;
+    private final AnnotationValue annotationValue;
+    private final TypeMirror primitiveType;
+    private final TypeMirror boxedType;
+
+    private final int index;
+    private final List<TypeCastData> typeCasts = new ArrayList<>();
+    private final List<TypeCheckData> typeChecks = new ArrayList<>();
+
+    public TypeData(TypeSystemData typeSystem, int index, AnnotationValue value, TypeMirror primitiveType, TypeMirror boxedType) {
+        this.index = index;
+        this.typeSystem = typeSystem;
+        this.annotationValue = value;
+        this.primitiveType = primitiveType;
+        this.boxedType = boxedType;
+    }
+
+    @Override
+    public Element getMessageElement() {
+        return typeSystem.getMessageElement();
+    }
+
+    @Override
+    public AnnotationMirror getMessageAnnotation() {
+        return typeSystem.getMessageAnnotation();
+    }
+
+    @Override
+    public AnnotationValue getMessageAnnotationValue() {
+        return annotationValue;
+    }
+
+    public void addTypeCast(TypeCastData typeCast) {
+        this.typeCasts.add(typeCast);
+    }
+
+    public void addTypeCheck(TypeCheckData typeCheck) {
+        this.typeChecks.add(typeCheck);
+    }
+
+    public List<TypeCastData> getTypeCasts() {
+        return typeCasts;
+    }
+
+    public List<TypeCheckData> getTypeChecks() {
+        return typeChecks;
+    }
+
+    public TypeSystemData getTypeSystem() {
+        return typeSystem;
+    }
+
+    public TypeMirror getPrimitiveType() {
+        return primitiveType;
+    }
+
+    public TypeMirror getBoxedType() {
+        return boxedType;
+    }
+
+    public boolean isGeneric() {
+        return ElementUtils.typeEquals(boxedType, getTypeSystem().getGenericType());
+    }
+
+    public boolean isVoid() {
+        if (getTypeSystem().getVoidType() == null) {
+            return false;
+        }
+        return ElementUtils.typeEquals(boxedType, getTypeSystem().getVoidType().getBoxedType());
+    }
+
+    public int compareTo(TypeData o) {
+        if (this.equals(o)) {
+            return 0;
+        }
+        return index - o.index;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(index, primitiveType);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof TypeData)) {
+            return false;
+        }
+        TypeData otherType = (TypeData) obj;
+        return index == otherType.index && ElementUtils.typeEquals(primitiveType, otherType.primitiveType);
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "[" + ElementUtils.getSimpleName(primitiveType) + "]";
+    }
+
+    public boolean equalsType(TypeData actualTypeData) {
+        return ElementUtils.typeEquals(boxedType, actualTypeData.boxedType);
+    }
+
+    public boolean needsCastTo(TypeData targetType) {
+        return ElementUtils.needsCastTo(getPrimitiveType(), targetType.getPrimitiveType());
+    }
+
+    public boolean needsCastTo(TypeMirror targetType) {
+        return ElementUtils.needsCastTo(getPrimitiveType(), targetType);
+    }
+
+    public boolean isPrimitive() {
+        return ElementUtils.isPrimitive(getPrimitiveType());
+    }
+
+    public boolean isImplicitSubtypeOf(TypeData other) {
+        List<ImplicitCastData> casts = other.getTypeSystem().lookupByTargetType(other);
+        for (ImplicitCastData cast : casts) {
+            if (isSubtypeOf(cast.getSourceType())) {
+                return true;
+            }
+        }
+        return isSubtypeOf(other);
+    }
+
+    public boolean isSubtypeOf(TypeData other) {
+        return ElementUtils.isSubtype(boxedType, other.boxedType);
+    }
+
+}