--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/NodeData.java	Mon Aug 11 15:57:14 2014 +0200
@@ -0,0 +1,466 @@
+/*
+ * Copyright (c) 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.*;
+import com.oracle.truffle.dsl.processor.model.NodeChildData.Cardinality;
+import com.oracle.truffle.dsl.processor.parser.*;
+
+public class NodeData extends Template implements Comparable<NodeData> {
+
+    private final String nodeId;
+    private final String shortName;
+    private final List<NodeData> enclosingNodes = new ArrayList<>();
+    private NodeData declaringNode;
+
+    private final TypeSystemData typeSystem;
+    private final List<NodeChildData> children;
+    private final List<NodeExecutionData> childExecutions;
+    private final List<NodeFieldData> fields;
+    private final List<String> assumptions;
+
+    private ParameterSpec instanceParameterSpec;
+
+    private final List<SpecializationData> specializations = new ArrayList<>();
+    private final List<ShortCircuitData> shortCircuits = new ArrayList<>();
+    private final List<CreateCastData> casts = new ArrayList<>();
+    private Map<Integer, List<ExecutableTypeData>> executableTypes;
+
+    private final NodeExecutionData thisExecution;
+
+    public NodeData(ProcessorContext context, TypeElement type, String shortName, TypeSystemData typeSystem, List<NodeChildData> children, List<NodeExecutionData> executions,
+                    List<NodeFieldData> fields, List<String> assumptions) {
+        super(context, type, null, null);
+        this.nodeId = type.getSimpleName().toString();
+        this.shortName = shortName;
+        this.typeSystem = typeSystem;
+        this.fields = fields;
+        this.children = children;
+        this.childExecutions = executions;
+        this.assumptions = assumptions;
+        this.thisExecution = new NodeExecutionData(new NodeChildData(null, null, "this", getNodeType(), getNodeType(), null, Cardinality.ONE), -1, false);
+        this.thisExecution.getChild().setNode(this);
+    }
+
+    public NodeData(ProcessorContext context, TypeElement type) {
+        this(context, type, null, null, null, null, null, null);
+    }
+
+    public NodeExecutionData getThisExecution() {
+        return thisExecution;
+    }
+
+    public boolean isFallbackReachable() {
+        SpecializationData generic = getGenericSpecialization();
+        if (generic != null) {
+            return generic.isReachable();
+        }
+        return false;
+    }
+
+    public void addEnclosedNode(NodeData node) {
+        this.enclosingNodes.add(node);
+        node.declaringNode = this;
+    }
+
+    public List<NodeExecutionData> getChildExecutions() {
+        return childExecutions;
+    }
+
+    public int getSignatureSize() {
+        if (getSpecializations() != null && !getSpecializations().isEmpty()) {
+            return getSpecializations().get(0).getSignatureSize();
+        }
+        return 0;
+    }
+
+    public boolean needsFrame(ProcessorContext context) {
+        for (SpecializationData specialization : specializations) {
+            if (!specialization.isReachable()) {
+                continue;
+            }
+            if (specialization.hasFrame(context)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public boolean isPolymorphic(ProcessorContext context) {
+        return needsRewrites(context);
+    }
+
+    public List<CreateCastData> getCasts() {
+        return casts;
+    }
+
+    public String getShortName() {
+        return shortName;
+    }
+
+    public List<NodeFieldData> getFields() {
+        return fields;
+    }
+
+    @Override
+    protected List<MessageContainer> findChildContainers() {
+        List<MessageContainer> containerChildren = new ArrayList<>();
+        if (enclosingNodes != null) {
+            containerChildren.addAll(enclosingNodes);
+        }
+        if (typeSystem != null) {
+            containerChildren.add(typeSystem);
+        }
+        if (specializations != null) {
+            for (MessageContainer specialization : specializations) {
+                if (specialization.getMessageElement() != null) {
+                    containerChildren.add(specialization);
+                }
+            }
+        }
+        if (executableTypes != null) {
+            containerChildren.addAll(getExecutableTypes());
+        }
+        if (shortCircuits != null) {
+            containerChildren.addAll(shortCircuits);
+        }
+        if (children != null) {
+            containerChildren.addAll(children);
+        }
+        if (fields != null) {
+            containerChildren.addAll(fields);
+        }
+        if (casts != null) {
+            containerChildren.addAll(casts);
+        }
+        return containerChildren;
+    }
+
+    public ParameterSpec getInstanceParameterSpec() {
+        return instanceParameterSpec;
+    }
+
+    public void setInstanceParameterSpec(ParameterSpec instanceParameter) {
+        this.instanceParameterSpec = instanceParameter;
+    }
+
+    public String getNodeId() {
+        return nodeId;
+    }
+
+    public TypeMirror getNodeType() {
+        return getTemplateType().asType();
+    }
+
+    public List<String> getAssumptions() {
+        return assumptions;
+    }
+
+    public boolean needsFactory() {
+        if (specializations == null) {
+            return false;
+        }
+        if (getTemplateType().getModifiers().contains(Modifier.PRIVATE)) {
+            return false;
+        }
+
+        boolean noSpecialization = true;
+        for (SpecializationData specialization : specializations) {
+            noSpecialization = noSpecialization && !specialization.isSpecialized();
+        }
+        return !noSpecialization;
+    }
+
+    public boolean supportsFrame() {
+        if (executableTypes != null) {
+            for (ExecutableTypeData execType : getExecutableTypes(-1)) {
+                if (execType.findParameter("frameValue") == null) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+    public List<NodeData> getNodeDeclaringChildren() {
+        List<NodeData> nodeChildren = new ArrayList<>();
+        for (NodeData child : getEnclosingNodes()) {
+            if (child.needsFactory()) {
+                nodeChildren.add(child);
+            }
+            nodeChildren.addAll(child.getNodeDeclaringChildren());
+        }
+        return nodeChildren;
+    }
+
+    public NodeData getDeclaringNode() {
+        return declaringNode;
+    }
+
+    public List<NodeData> getEnclosingNodes() {
+        return enclosingNodes;
+    }
+
+    public List<TemplateMethod> getAllTemplateMethods() {
+        List<TemplateMethod> methods = new ArrayList<>();
+
+        for (SpecializationData specialization : getSpecializations()) {
+            methods.add(specialization);
+        }
+
+        methods.addAll(getExecutableTypes());
+        methods.addAll(getShortCircuits());
+        if (getCasts() != null) {
+            methods.addAll(getCasts());
+        }
+
+        return methods;
+    }
+
+    public ExecutableTypeData findAnyGenericExecutableType(ProcessorContext context, int evaluatedCount) {
+        List<ExecutableTypeData> types = findGenericExecutableTypes(context, evaluatedCount);
+        for (ExecutableTypeData type : types) {
+            if (type.getType().isGeneric()) {
+                return type;
+            }
+        }
+
+        for (ExecutableTypeData type : types) {
+            if (!type.getType().isVoid()) {
+                return type;
+            }
+        }
+
+        for (ExecutableTypeData type : types) {
+            return type;
+        }
+        return null;
+    }
+
+    public List<ExecutableTypeData> getExecutableTypes(int evaluatedCount) {
+        if (executableTypes == null) {
+            return Collections.emptyList();
+        }
+        if (evaluatedCount == -1) {
+            List<ExecutableTypeData> typeData = new ArrayList<>();
+            for (int currentEvaluationCount : executableTypes.keySet()) {
+                typeData.addAll(executableTypes.get(currentEvaluationCount));
+            }
+            return typeData;
+        } else {
+            List<ExecutableTypeData> types = executableTypes.get(evaluatedCount);
+            if (types == null) {
+                return Collections.emptyList();
+            }
+            return types;
+        }
+    }
+
+    public List<ExecutableTypeData> findGenericExecutableTypes(ProcessorContext context, int evaluatedCount) {
+        List<ExecutableTypeData> types = new ArrayList<>();
+        for (ExecutableTypeData type : getExecutableTypes(evaluatedCount)) {
+            if (!type.hasUnexpectedValue(context)) {
+                types.add(type);
+            }
+        }
+        return types;
+    }
+
+    public ExecutableTypeData findExecutableType(TypeData prmitiveType, int evaluatedCount) {
+        for (ExecutableTypeData type : getExecutableTypes(evaluatedCount)) {
+            if (ElementUtils.typeEquals(type.getType().getPrimitiveType(), prmitiveType.getPrimitiveType())) {
+                return type;
+            }
+        }
+        return null;
+    }
+
+    public boolean needsRewrites(ProcessorContext context) {
+        boolean needsRewrites = false;
+
+        for (SpecializationData specialization : getSpecializations()) {
+            if (specialization.hasRewrite(context)) {
+                needsRewrites = true;
+                break;
+            }
+        }
+        return needsRewrites || getSpecializations().size() > 1;
+    }
+
+    public SpecializationData getPolymorphicSpecialization() {
+        for (SpecializationData specialization : specializations) {
+            if (specialization.isPolymorphic()) {
+                return specialization;
+            }
+        }
+        return null;
+    }
+
+    public SpecializationData getGenericSpecialization() {
+        for (SpecializationData specialization : specializations) {
+            if (specialization.isGeneric()) {
+                return specialization;
+            }
+        }
+        return null;
+    }
+
+    public SpecializationData getUninitializedSpecialization() {
+        for (SpecializationData specialization : specializations) {
+            if (specialization.isUninitialized()) {
+                return specialization;
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public TypeSystemData getTypeSystem() {
+        return typeSystem;
+    }
+
+    public String dump() {
+        return dump(0);
+    }
+
+    private String dump(int level) {
+        String indent = "";
+        for (int i = 0; i < level; i++) {
+            indent += "    ";
+        }
+        StringBuilder builder = new StringBuilder();
+
+        builder.append(String.format("%s%s {", indent, toString()));
+
+        dumpProperty(builder, indent, "templateClass", ElementUtils.getQualifiedName(getTemplateType()));
+        dumpProperty(builder, indent, "typeSystem", getTypeSystem());
+        dumpProperty(builder, indent, "fields", getChildren());
+        dumpProperty(builder, indent, "executableTypes", getExecutableTypes());
+        dumpProperty(builder, indent, "specializations", getSpecializations());
+        dumpProperty(builder, indent, "assumptions", getAssumptions());
+        dumpProperty(builder, indent, "casts", getCasts());
+        dumpProperty(builder, indent, "messages", collectMessages());
+        if (getEnclosingNodes().size() > 0) {
+            builder.append(String.format("\n%s  children = [", indent));
+            for (NodeData node : getEnclosingNodes()) {
+                builder.append("\n");
+                builder.append(node.dump(level + 1));
+            }
+            builder.append(String.format("\n%s  ]", indent));
+        }
+        builder.append(String.format("%s}", indent));
+        return builder.toString();
+    }
+
+    private static void dumpProperty(StringBuilder b, String indent, String propertyName, Object value) {
+        if (value instanceof List) {
+            List<?> list = (List<?>) value;
+            if (!list.isEmpty()) {
+                b.append(String.format("\n%s  %s = %s", indent, propertyName, dumpList(indent, (List<?>) value)));
+            }
+        } else {
+            if (value != null) {
+                b.append(String.format("\n%s  %s = %s", indent, propertyName, value));
+            }
+        }
+    }
+
+    private static String dumpList(String indent, List<?> array) {
+        if (array == null) {
+            return "null";
+        }
+
+        if (array.isEmpty()) {
+            return "[]";
+        } else if (array.size() == 1) {
+            return "[" + array.get(0).toString() + "]";
+        }
+
+        StringBuilder b = new StringBuilder();
+        b.append("[");
+        for (Object object : array) {
+            b.append("\n        ");
+            b.append(indent);
+            b.append(object);
+            b.append(", ");
+        }
+        b.append("\n    ").append(indent).append("]");
+        return b.toString();
+    }
+
+    public NodeChildData findChild(String name) {
+        for (NodeChildData field : getChildren()) {
+            if (field.getName().equals(name)) {
+                return field;
+            }
+        }
+        return null;
+    }
+
+    public List<NodeChildData> getChildren() {
+        return children;
+    }
+
+    public List<SpecializationData> getSpecializations() {
+        return specializations;
+    }
+
+    public List<ExecutableTypeData> getExecutableTypes() {
+        return getExecutableTypes(-1);
+    }
+
+    public List<ShortCircuitData> getShortCircuits() {
+        return shortCircuits;
+    }
+
+    public void setExecutableTypes(Map<Integer, List<ExecutableTypeData>> executableTypes) {
+        this.executableTypes = executableTypes;
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "[" + getNodeId() + "]";
+    }
+
+    public CreateCastData findCast(String name) {
+        if (getCasts() != null) {
+            for (CreateCastData cast : getCasts()) {
+                if (cast.getChildNames().contains(name)) {
+                    return cast;
+                }
+            }
+        }
+        return null;
+    }
+
+    public int compareTo(NodeData o) {
+        return getNodeId().compareTo(o.getNodeId());
+    }
+
+}