--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/NodeMethodParser.java	Mon Jul 01 20:58:32 2013 +0200
@@ -0,0 +1,144 @@
+/*
+ * 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.node;
+
+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.node.NodeChildData.*;
+import com.oracle.truffle.dsl.processor.template.*;
+
+public abstract class NodeMethodParser<E extends TemplateMethod> extends TemplateMethodParser<NodeData, E> {
+
+    public NodeMethodParser(ProcessorContext context, NodeData node) {
+        super(context, node);
+    }
+
+    public NodeData getNode() {
+        return template;
+    }
+
+    @SuppressWarnings("unused")
+    protected ParameterSpec createValueParameterSpec(String valueName, NodeData nodeData, int evaluatedCount) {
+        ParameterSpec spec = new ParameterSpec(valueName, nodeTypeMirrors(nodeData));
+        spec.setSignature(true);
+        return spec;
+    }
+
+    protected List<TypeMirror> nodeTypeMirrors(NodeData nodeData) {
+        Set<TypeMirror> typeMirrors = new LinkedHashSet<>();
+
+        for (ExecutableTypeData typeData : nodeData.getExecutableTypes()) {
+            typeMirrors.add(typeData.getType().getPrimitiveType());
+        }
+
+        typeMirrors.add(nodeData.getTypeSystem().getGenericType());
+
+        return new ArrayList<>(typeMirrors);
+    }
+
+    protected ParameterSpec createReturnParameterSpec() {
+        return createValueParameterSpec("returnValue", getNode(), 0);
+    }
+
+    @Override
+    public boolean isParsable(ExecutableElement method) {
+        if (getAnnotationType() != null) {
+            return Utils.findAnnotationMirror(getContext().getEnvironment(), method, getAnnotationType()) != null;
+        }
+
+        return true;
+    }
+
+    @SuppressWarnings("unused")
+    protected final MethodSpec createDefaultMethodSpec(ExecutableElement method, AnnotationMirror mirror, boolean shortCircuitsEnabled, String shortCircuitName) {
+        MethodSpec methodSpec = new MethodSpec(createReturnParameterSpec());
+
+        addDefaultFrame(methodSpec);
+        addDefaultImplicitThis(method, methodSpec);
+        addDefaultFieldMethodSpec(method, methodSpec);
+        addDefaultChildren(shortCircuitsEnabled, shortCircuitName, methodSpec);
+
+        return methodSpec;
+    }
+
+    private void addDefaultChildren(boolean shortCircuitsEnabled, String shortCircuitName, MethodSpec methodSpec) {
+        // children are null when parsing executable types
+        if (getNode().getChildren() != null) {
+            for (NodeChildData child : getNode().getChildren()) {
+                if (child.getExecutionKind() == ExecutionKind.DEFAULT) {
+                    ParameterSpec spec = createValueParameterSpec(child.getName(), child.getNodeData(), child.getExecuteWith().size());
+                    if (child.getCardinality().isMany()) {
+                        spec.setCardinality(Cardinality.MANY);
+                        spec.setIndexed(true);
+                    }
+                    methodSpec.addRequired(spec);
+                } else if (child.getExecutionKind() == ExecutionKind.SHORT_CIRCUIT) {
+                    String valueName = child.getName();
+                    if (shortCircuitName != null && valueName.equals(shortCircuitName)) {
+                        break;
+                    }
+
+                    if (shortCircuitsEnabled) {
+                        methodSpec.addRequired(new ParameterSpec(shortCircuitValueName(valueName), getContext().getType(boolean.class)));
+                    }
+                    methodSpec.addRequired(createValueParameterSpec(valueName, child.getNodeData(), child.getExecuteWith().size()));
+                } else {
+                    assert false;
+                }
+            }
+        }
+    }
+
+    private void addDefaultFrame(MethodSpec methodSpec) {
+        if (getNode().supportsFrame()) {
+            methodSpec.addOptional(new ParameterSpec("frame", getContext().getTruffleTypes().getFrame()));
+        }
+    }
+
+    protected void addDefaultFieldMethodSpec(ExecutableElement method, MethodSpec methodSpec) {
+        for (NodeFieldData field : getNode().getFields()) {
+            if (!Utils.isFieldAccessible(method, field.getVariable())) {
+                ParameterSpec spec = new ParameterSpec(field.getName(), field.getType());
+                spec.setLocal(true);
+                methodSpec.addOptional(spec);
+            }
+        }
+    }
+
+    protected void addDefaultImplicitThis(ExecutableElement method, MethodSpec methodSpec) {
+        TypeMirror declaredType = Utils.findNearestEnclosingType(method).asType();
+
+        if (!method.getModifiers().contains(Modifier.STATIC) && !Utils.isAssignable(getContext(), declaredType, getContext().getTruffleTypes().getNode())) {
+            methodSpec.addImplicitRequiredType(getNode().getTemplateType().asType());
+        }
+    }
+
+    private static String shortCircuitValueName(String valueName) {
+        return "has" + Utils.firstLetterUpperCase(valueName);
+    }
+
+}