--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/TruffleProcessor.java	Wed Jun 17 10:58:08 2015 +0200
@@ -0,0 +1,144 @@
+/*
+ * 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;
+
+import java.lang.annotation.*;
+import java.util.*;
+
+import javax.annotation.processing.*;
+import javax.lang.model.*;
+import javax.lang.model.element.*;
+import javax.tools.Diagnostic.Kind;
+
+import com.oracle.truffle.dsl.processor.ProcessorContext.ProcessCallback;
+import com.oracle.truffle.dsl.processor.generator.*;
+import com.oracle.truffle.dsl.processor.java.*;
+import com.oracle.truffle.dsl.processor.parser.*;
+
+/**
+ * THIS IS NOT PUBLIC API.
+ */
+// @SupportedAnnotationTypes({"com.oracle.truffle.codegen.Operation",
+// "com.oracle.truffle.codegen.TypeLattice"})
+public class TruffleProcessor extends AbstractProcessor implements ProcessCallback {
+
+    private List<AnnotationProcessor<?>> generators;
+
+    @Override
+    public SourceVersion getSupportedSourceVersion() {
+        return SourceVersion.latest();
+    }
+
+    @Override
+    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+        if (!roundEnv.processingOver()) {
+            processImpl(roundEnv);
+        }
+        return false;
+    }
+
+    private void processImpl(RoundEnvironment env) {
+        // TODO run verifications that other annotations are not processed out of scope of the
+        // operation or typelattice.
+        try {
+            ProcessorContext.setThreadLocalInstance(new ProcessorContext(processingEnv, this));
+            for (AnnotationProcessor<?> generator : getGenerators()) {
+                AbstractParser<?> parser = generator.getParser();
+                if (parser.getAnnotationType() != null) {
+                    for (Element e : env.getElementsAnnotatedWith(parser.getAnnotationType())) {
+                        processElement(generator, e, false);
+                    }
+                }
+
+                for (Class<? extends Annotation> annotationType : parser.getTypeDelegatedAnnotationTypes()) {
+                    for (Element e : env.getElementsAnnotatedWith(annotationType)) {
+                        TypeElement processedType;
+                        if (parser.isDelegateToRootDeclaredType()) {
+                            processedType = ElementUtils.findRootEnclosingType(e);
+                        } else {
+                            processedType = ElementUtils.findNearestEnclosingType(e);
+                        }
+                        processElement(generator, processedType, false);
+                    }
+                }
+
+            }
+        } finally {
+            ProcessorContext.setThreadLocalInstance(null);
+        }
+    }
+
+    private static void processElement(AnnotationProcessor<?> generator, Element e, boolean callback) {
+        try {
+            generator.process(e, callback);
+        } catch (Throwable e1) {
+            handleThrowable(generator, e1, e);
+        }
+    }
+
+    private static void handleThrowable(AnnotationProcessor<?> generator, Throwable t, Element e) {
+        String message = "Uncaught error in " + generator.getClass().getSimpleName() + " while processing " + e + " ";
+        ProcessorContext.getInstance().getEnvironment().getMessager().printMessage(Kind.ERROR, message + ": " + ElementUtils.printException(t), e);
+    }
+
+    @Override
+    public void callback(TypeElement template) {
+        for (AnnotationProcessor<?> generator : generators) {
+            Class<? extends Annotation> annotationType = generator.getParser().getAnnotationType();
+            if (annotationType != null) {
+                Annotation annotation = template.getAnnotation(annotationType);
+                if (annotation != null) {
+                    processElement(generator, template, true);
+                }
+            }
+        }
+    }
+
+    @Override
+    public Set<String> getSupportedAnnotationTypes() {
+        Set<String> annotations = new HashSet<>();
+        List<Class<? extends Annotation>> annotationsTypes = new ArrayList<>();
+        annotationsTypes.addAll(NodeParser.ANNOTATIONS);
+        annotationsTypes.addAll(TypeSystemParser.ANNOTATIONS);
+        for (Class<? extends Annotation> type : annotationsTypes) {
+            annotations.add(type.getCanonicalName());
+        }
+        return annotations;
+    }
+
+    private List<AnnotationProcessor<?>> getGenerators() {
+        if (generators == null && processingEnv != null) {
+            generators = new ArrayList<>();
+            generators.add(new AnnotationProcessor<>(new TypeSystemParser(), new TypeSystemCodeGenerator()));
+            generators.add(new AnnotationProcessor<>(new NodeParser(), new NodeCodeGenerator()));
+        }
+        return generators;
+    }
+
+    @Override
+    public synchronized void init(ProcessingEnvironment env) {
+        this.processingEnv = env;
+        super.init(env);
+    }
+
+}