--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/TypeSystemData.java	Mon Aug 11 15:57:14 2014 +0200
@@ -0,0 +1,207 @@
+/*
+ * 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.*;
+import com.oracle.truffle.dsl.processor.java.*;
+
+public class TypeSystemData extends Template {
+
+    private List<TypeData> types;
+    private List<TypeMirror> primitiveTypeMirrors = new ArrayList<>();
+    private List<TypeMirror> boxedTypeMirrors = new ArrayList<>();
+
+    private List<ImplicitCastData> implicitCasts;
+    private List<TypeCastData> casts;
+    private List<TypeCheckData> checks;
+
+    private TypeMirror genericType;
+    private TypeData voidType;
+
+    public TypeSystemData(ProcessorContext context, TypeElement templateType, AnnotationMirror annotation) {
+        super(context, templateType, null, annotation);
+    }
+
+    @Override
+    public TypeSystemData getTypeSystem() {
+        return this;
+    }
+
+    public void setTypes(List<TypeData> types) {
+        this.types = types;
+        if (types != null) {
+            for (TypeData typeData : types) {
+                primitiveTypeMirrors.add(typeData.getPrimitiveType());
+                boxedTypeMirrors.add(typeData.getBoxedType());
+            }
+        }
+    }
+
+    public void setImplicitCasts(List<ImplicitCastData> implicitCasts) {
+        this.implicitCasts = implicitCasts;
+    }
+
+    public List<ImplicitCastData> getImplicitCasts() {
+        return implicitCasts;
+    }
+
+    public void setCasts(List<TypeCastData> casts) {
+        this.casts = casts;
+    }
+
+    public void setChecks(List<TypeCheckData> checks) {
+        this.checks = checks;
+    }
+
+    public void setGenericType(TypeMirror genericType) {
+        this.genericType = genericType;
+    }
+
+    public void setVoidType(TypeData voidType) {
+        this.voidType = voidType;
+    }
+
+    @Override
+    protected List<MessageContainer> findChildContainers() {
+        List<MessageContainer> sinks = new ArrayList<>();
+        if (types != null) {
+            sinks.addAll(types);
+        }
+        if (checks != null) {
+            sinks.addAll(checks);
+        }
+        if (casts != null) {
+            sinks.addAll(casts);
+        }
+        if (implicitCasts != null) {
+            sinks.addAll(implicitCasts);
+        }
+        return sinks;
+    }
+
+    public TypeData getVoidType() {
+        return voidType;
+    }
+
+    public List<TypeMirror> getBoxedTypeMirrors() {
+        return boxedTypeMirrors;
+    }
+
+    public List<TypeMirror> getPrimitiveTypeMirrors() {
+        return primitiveTypeMirrors;
+    }
+
+    public List<TypeData> getTypes() {
+        return types;
+    }
+
+    public TypeMirror getGenericType() {
+        return genericType;
+    }
+
+    public TypeData getGenericTypeData() {
+        TypeData result = types.get(types.size() - 1);
+        assert result.getBoxedType() == genericType;
+        return result;
+    }
+
+    public TypeData findType(String simpleName) {
+        for (TypeData type : types) {
+            if (ElementUtils.getSimpleName(type.getBoxedType()).equals(simpleName)) {
+                return type;
+            }
+        }
+        return null;
+    }
+
+    public TypeData findTypeData(TypeMirror type) {
+        if (ElementUtils.typeEquals(voidType.getPrimitiveType(), type)) {
+            return voidType;
+        }
+
+        int index = findType(type);
+        if (index == -1) {
+            return null;
+        }
+        return types.get(index);
+    }
+
+    public int findType(TypeMirror type) {
+        for (int i = 0; i < types.size(); i++) {
+            if (ElementUtils.typeEquals(types.get(i).getPrimitiveType(), type)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "[template = " + ElementUtils.getSimpleName(getTemplateType()) + ", types = " + types + "]";
+    }
+
+    public List<ImplicitCastData> lookupByTargetType(TypeData targetType) {
+        if (getImplicitCasts() == null) {
+            return Collections.emptyList();
+        }
+        List<ImplicitCastData> foundCasts = new ArrayList<>();
+        for (ImplicitCastData cast : getImplicitCasts()) {
+            if (cast.getTargetType().equals(targetType)) {
+                foundCasts.add(cast);
+            }
+        }
+        return foundCasts;
+    }
+
+    public ImplicitCastData lookupCast(TypeData sourceType, TypeData targetType) {
+        if (getImplicitCasts() == null) {
+            return null;
+        }
+        for (ImplicitCastData cast : getImplicitCasts()) {
+            if (cast.getSourceType().equals(sourceType) && cast.getTargetType().equals(targetType)) {
+                return cast;
+            }
+        }
+        return null;
+    }
+
+    public List<TypeData> lookupSourceTypes(TypeData type) {
+        List<TypeData> sourceTypes = new ArrayList<>();
+        sourceTypes.add(type);
+        if (getImplicitCasts() != null) {
+            for (ImplicitCastData cast : getImplicitCasts()) {
+                if (cast.getTargetType() == type) {
+                    sourceTypes.add(cast.getSourceType());
+                }
+            }
+        }
+        Collections.sort(sourceTypes);
+        return sourceTypes;
+    }
+
+}