--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/ast/CodeExecutableElement.java	Fri Dec 21 10:44:31 2012 -0800
@@ -0,0 +1,206 @@
+/*
+ * 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.codegen.processor.ast;
+
+import java.util.*;
+
+import javax.annotation.processing.*;
+import javax.lang.model.element.*;
+import javax.lang.model.type.*;
+
+import com.oracle.truffle.codegen.processor.*;
+import com.oracle.truffle.codegen.processor.api.element.*;
+
+public class CodeExecutableElement extends CodeElement<Element> implements WritableExecutableElement {
+
+    private final List<TypeMirror> throwables = new ArrayList<>();
+    private final List<VariableElement> parameters = parentableList(this, new ArrayList<VariableElement>());
+
+    private TypeMirror returnType;
+    private Name name;
+
+    private CodeTree bodyTree;
+    private String body;
+    private AnnotationValue defaultValue;
+    private boolean varArgs;
+
+    public CodeExecutableElement(TypeMirror returnType, String name) {
+        super(Utils.modifiers());
+        this.returnType = returnType;
+        this.name = CodeNames.of(name);
+    }
+
+    public CodeExecutableElement(Set<Modifier> modifiers, TypeMirror returnType, String name, CodeVariableElement... parameters) {
+        super(modifiers);
+        this.returnType = returnType;
+        this.name = CodeNames.of(name);
+        for (CodeVariableElement codeParameter : parameters) {
+            addParameter(codeParameter);
+        }
+    }
+
+    @Override
+    public List<TypeMirror> getThrownTypes() {
+        return throwables;
+    }
+
+    @Override
+    public TypeMirror asType() {
+        return returnType;
+    }
+
+    @Override
+    public ElementKind getKind() {
+        return ElementKind.METHOD;
+    }
+
+    @Override
+    public List< ? extends TypeParameterElement> getTypeParameters() {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public void setVarArgs(boolean varargs) {
+        this.varArgs = varargs;
+    }
+
+    @Override
+    public boolean isVarArgs() {
+        return varArgs;
+    }
+
+    @Override
+    public void setDefaultValue(AnnotationValue defaultValue) {
+        this.defaultValue = defaultValue;
+    }
+
+    @Override
+    public AnnotationValue getDefaultValue() {
+        return defaultValue;
+    }
+
+    @Override
+    public Name getSimpleName() {
+        return name;
+    }
+
+    public CodeTreeBuilder createBuilder() {
+        CodeTreeBuilder builder = new CodeTreeBuilder();
+        this.bodyTree = builder.getTree();
+        this.bodyTree.setEnclosingElement(this);
+        return builder;
+    }
+
+    public void setBodyTree(CodeTree body) {
+        this.bodyTree = body;
+    }
+
+    public CodeTree getBodyTree() {
+        return bodyTree;
+    }
+
+    public TypeMirror getReturnType() {
+        return returnType;
+    }
+
+    @Override
+    public List<VariableElement> getParameters() {
+        return parameters;
+    }
+
+    public TypeMirror[] getParameterTypes() {
+        TypeMirror[] types = new TypeMirror[getParameters().size()];
+        for (int i = 0; i < types.length; i++) {
+            types[i] = parameters.get(i).asType();
+        }
+        return types;
+    }
+
+    @Override
+    public void setReturnType(TypeMirror type) {
+        returnType = type;
+    }
+
+    @Override
+    public void addParameter(VariableElement parameter) {
+        parameters.add(parameter);
+    }
+
+    @Override
+    public void removeParamter(VariableElement parameter) {
+        parameters.remove(parameter);
+    }
+
+    @Override
+    public void addThrownType(TypeMirror thrownType) {
+        throwables.add(thrownType);
+    }
+
+    @Override
+    public void removeThrownType(TypeMirror thrownType) {
+        throwables.remove(thrownType);
+    }
+
+    @Override
+    public void setSimpleName(Name name) {
+        this.name = name;
+    }
+
+    @Override
+    public void setBody(String body) {
+        this.body = body;
+    }
+
+    @Override
+    public String getBody() {
+        return body;
+    }
+
+    @Override
+    public <R, P> R accept(ElementVisitor<R, P> v, P p) {
+        return v.visitExecutable(this, p);
+    }
+
+
+    public static CodeExecutableElement clone(ProcessingEnvironment env, ExecutableElement method) {
+        CodeExecutableElement copy = new CodeExecutableElement(method.getReturnType(), method.getSimpleName().toString());
+        for (TypeMirror thrownType : method.getThrownTypes()) {
+            copy.addThrownType(thrownType);
+        }
+        copy.setDefaultValue(method.getDefaultValue());
+
+        for (AnnotationMirror mirror : method.getAnnotationMirrors()) {
+            copy.addAnnotationMirror(mirror);
+        }
+        for (VariableElement var : method.getParameters()) {
+            copy.addParameter(var);
+        }
+        for (Element element : method.getEnclosedElements()) {
+            copy.add(element);
+        }
+        copy.setBody(Utils.getMethodBody(env, method));
+        copy.getModifiers().addAll(method.getModifiers());
+        return copy;
+    }
+
+}